From d9337dda7db1b3430d17914b4e290b9a200045a2 Mon Sep 17 00:00:00 2001
From: "Dmitriy A. Gerasimov" <dmitriy.gerasimov@demlabs.net>
Date: Wed, 20 Nov 2019 18:31:39 +0700
Subject: [PATCH] [*] libdap-chain-crypto -> libdap-crypto
---
include/dap_cert.h | 82 +++++
include/dap_cert_file.h | 60 +++
include/dap_hash.h | 108 ++++++
include/dap_hash_fusion.h | 25 ++
include/dap_hash_keccak.h | 35 ++
include/dap_pkey.h | 63 ++++
include/dap_sign.h | 87 +++++
src/dap_cert.c | 481 +++++++++++++++++++++++++
src/dap_cert_file.c | 230 ++++++++++++
src/dap_hash.c | 55 +++
src/dap_hash_fusion.c | 28 ++
src/dap_hash_keccak.c | 26 ++
src/dap_pkey.c | 90 +++++
src/dap_sign.c | 350 ++++++++++++++++++
test/cert/CMakeLists.txt | 18 +
test/cert/dap_crypto_cert_save_tests.c | 66 ++++
test/cert/dap_crypto_cert_save_tests.h | 4 +
test/cert/dap_sha3_tests.c | 211 +++++++++++
test/cert/main.c | 12 +
19 files changed, 2031 insertions(+)
create mode 100755 include/dap_cert.h
create mode 100755 include/dap_cert_file.h
create mode 100755 include/dap_hash.h
create mode 100755 include/dap_hash_fusion.h
create mode 100755 include/dap_hash_keccak.h
create mode 100755 include/dap_pkey.h
create mode 100755 include/dap_sign.h
create mode 100755 src/dap_cert.c
create mode 100755 src/dap_cert_file.c
create mode 100755 src/dap_hash.c
create mode 100755 src/dap_hash_fusion.c
create mode 100755 src/dap_hash_keccak.c
create mode 100755 src/dap_pkey.c
create mode 100755 src/dap_sign.c
create mode 100755 test/cert/CMakeLists.txt
create mode 100755 test/cert/dap_crypto_cert_save_tests.c
create mode 100755 test/cert/dap_crypto_cert_save_tests.h
create mode 100644 test/cert/dap_sha3_tests.c
create mode 100755 test/cert/main.c
diff --git a/include/dap_cert.h b/include/dap_cert.h
new file mode 100755
index 0000000..16c43b9
--- /dev/null
+++ b/include/dap_cert.h
@@ -0,0 +1,82 @@
+/*
+ * Authors:
+ * Dmitriy A. Gearasimov <gerasimov.dmitriy@demlabs.net>
+ * DeM Labs Inc. https://demlabs.net
+ * CellFrame https://cellframe.net
+ * Sources https://gitlab.demlabs.net/cellframe
+ * Copyright (c) 2017-2019
+ * All rights reserved.
+
+ This file is part of CellFrame SDK the open source project
+
+ CellFrame SDK is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ CellFrame SDK is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with any CellFrame SDK based project. If not, see <http://www.gnu.org/licenses/>.
+*/
+#pragma once
+
+#include "dap_sign.h"
+#include "dap_pkey.h"
+
+#include "dap_enc.h"
+#include "dap_enc_key.h"
+
+#define DAP_CERT_ITEM_NAME_MAX 40
+
+typedef struct dap_cert {
+ dap_enc_key_t * enc_key;
+ char name[DAP_CERT_ITEM_NAME_MAX];
+ void * _pvt;
+ char * metadata;
+} dap_cert_t;
+
+int dap_cert_init();
+
+
+dap_cert_t * dap_cert_new(const char * a_name);
+
+size_t dap_cert_parse_str_list(const char * a_certs_str, dap_cert_t *** a_certs, size_t * a_certs_size);
+
+dap_cert_t * dap_cert_generate(const char * a_cert_name,const char * a_file_path,dap_enc_key_type_t a_key_type );
+
+dap_cert_t * dap_cert_generate_mem(const char * a_cert_name,
+ dap_enc_key_type_t a_key_type );
+
+
+dap_cert_t * dap_cert_add_file(const char * a_cert_name,const char *a_folder_path);
+int dap_cert_save_to_folder(dap_cert_t * a_cert, const char *a_file_dir_path);
+void dap_cert_add_folder(const char *a_folder_path);
+void dap_cert_dump(dap_cert_t * a_cert);
+dap_pkey_t * dap_cert_to_pkey(dap_cert_t * a_cert);
+
+dap_cert_t * dap_cert_find_by_name(const char * a_cert_name);
+
+dap_sign_t * dap_cert_sign(dap_cert_t * a_cert, const void * a_data, size_t a_data_size, size_t a_output_size_wished );
+
+int dap_cert_compare_with_sign (dap_cert_t * a_cert,dap_sign_t * a_sign);
+
+
+size_t dap_cert_sign_output_size(dap_cert_t * a_cert, size_t a_size_wished);
+
+
+//int dap_cert_sign_output(dap_cert_t * a_cert, const void * a_data, size_t a_data_size
+// , void * a_output , size_t a_output_size);
+
+
+int dap_cert_add_cert_sign(dap_cert_t * a_cert, dap_cert_t * a_cert_signer);
+
+size_t dap_cert_count_cert_sign(dap_cert_t * a_cert);
+
+void dap_cert_deinit();
+
+void dap_cert_delete(dap_cert_t * a_cert);
+void dap_cert_delete_by_name(const char * a_cert_name);
diff --git a/include/dap_cert_file.h b/include/dap_cert_file.h
new file mode 100755
index 0000000..5ba7f1f
--- /dev/null
+++ b/include/dap_cert_file.h
@@ -0,0 +1,60 @@
+/*
+ * Authors:
+ * Dmitriy A. Gearasimov <gerasimov.dmitriy@demlabs.net>
+ * DeM Labs Inc. https://demlabs.net https:/gitlab.com/demlabs
+ * Kelvin Project https://github.com/kelvinblockchain
+ * Copyright (c) 2017-2018
+ * All rights reserved.
+
+ This file is part of DAP (Deus Applications Prototypes) the open source project
+
+ DAP (Deus Applicaions Prototypes) is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ DAP is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with any DAP based project. If not, see <http://www.gnu.org/licenses/>.
+*/
+#pragma once
+#include <stdint.h>
+#include "dap_common.h"
+#include "dap_cert.h"
+
+// Magic .dapcert signature
+#define dap_cert_FILE_HDR_SIGN 0x0F300C4711E29380
+#define dap_cert_FILE_VERSION 1
+
+// Default certificate with private key and optionaly some signs
+#define dap_cert_FILE_TYPE_PRIVATE 0x00
+// Default certificate with public key and optionaly some signs
+#define dap_cert_FILE_TYPE_PUBLIC 0xf0
+
+
+typedef struct dap_cert_file_hdr
+{
+ uint64_t sign;
+ int version;
+ uint8_t type;
+ dap_sign_type_t sign_type;
+ uint64_t data_size;
+ uint64_t data_pvt_size;
+ uint64_t metadata_size;
+ time_t ts_last_used;
+} DAP_ALIGN_PACKED dap_cert_file_hdr_t;
+
+typedef struct dap_cert_file{
+ dap_cert_file_hdr_t hdr;
+ uint8_t data[];
+}DAP_ALIGN_PACKED dap_cert_file_t;
+
+int dap_cert_file_save(dap_cert_t * a_cert, const char * a_cert_file_path);
+uint8_t* dap_cert_mem_save(dap_cert_t * a_cert, uint32_t *a_cert_size_out);
+
+dap_cert_t* dap_cert_file_load(const char * a_cert_file_path);
+dap_cert_t* dap_cert_mem_load(void * a_data, size_t a_data_size);
diff --git a/include/dap_hash.h b/include/dap_hash.h
new file mode 100755
index 0000000..3d968c6
--- /dev/null
+++ b/include/dap_hash.h
@@ -0,0 +1,108 @@
+/*
+ * Authors:
+ * Dmitriy A. Gearasimov <gerasimov.dmitriy@demlabs.net>
+ * DeM Labs Inc. https://demlabs.net
+ * CellFrame https://cellframe.net
+ * Sources https://gitlab.demlabs.net/cellframe
+ * Copyright (c) 2017-2019
+ * All rights reserved.
+
+ This file is part of CellFrame SDK the open source project
+
+ CellFrame SDK is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ CellFrame SDK is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with any CellFrame SDK based project. If not, see <http://www.gnu.org/licenses/>.
+*/
+#pragma once
+#include <stddef.h>
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "dap_common.h"
+#include "dap_hash_keccak.h"
+
+#include "KeccakHash.h"
+#include "SimpleFIPS202.h"
+
+#define DAP_HASH_FAST_SIZE 32
+#define DAP_CHAIN_HASH_FAST_SIZE 32
+
+typedef enum dap_hash_type {
+ DAP_HASH_TYPE_KECCAK = 0,
+ DAP_HASH_TYPE_SLOW_0 = 1,
+} dap_hash_type_t;
+
+typedef union dap_chain_hash_fast{
+ uint8_t raw[DAP_CHAIN_HASH_FAST_SIZE];
+} dap_chain_hash_fast_t;
+
+//size_t dap_chain_hash_fast_to_str(dap_chain_hash_fast_t * a_hash, char * a_str, size_t a_str_max);
+int dap_chain_str_to_hash_fast( const char * a_hash_str, dap_chain_hash_fast_t * a_hash);
+
+static inline bool dap_hash_fast( const void *a_data_in, size_t a_data_in_size, dap_chain_hash_fast_t *a_hash_out )
+{
+ if ( (a_data_in == NULL) || (a_data_in_size == 0) || (a_hash_out == NULL) )
+ return false;
+
+ // dap_hash_keccak( a_data_in, a_data_in_size, a_data_out, a_data_out_size );
+
+ SHA3_256( (unsigned char *)a_hash_out, (const unsigned char *)a_data_in, a_data_in_size );
+
+ //SHA3_256( (unsigned char *)a_hash_out, (const unsigned char *)a_data_in, a_data_in_size );
+
+ return true;
+}
+
+
+/**
+ * @brief dap_hash_fast_compare
+ * @param a_hash1
+ * @param a_hash2
+ * @return
+ */
+static inline bool dap_hash_fast_compare(dap_chain_hash_fast_t *a_hash1, dap_chain_hash_fast_t *a_hash2)
+{
+ if(!a_hash1 || !a_hash2)
+ return false;
+ if(!memcmp(a_hash1, a_hash2, sizeof(dap_chain_hash_fast_t)))
+ return true;
+ return false;
+}
+
+static inline bool dap_hash_fast_is_blank( dap_chain_hash_fast_t *a_hash )
+{
+ static dap_chain_hash_fast_t l_blank_hash = { 0};
+// uint8_t *l_hast_bytes = (uint8_t*) a_hash;
+// for(size_t i = 0; i < sizeof(dap_chain_hash_fast_t); i++) {
+// if(l_hast_bytes[i])
+// return false;
+// }
+ return dap_hash_fast_compare( a_hash, &l_blank_hash);
+}
+
+
+DAP_STATIC_INLINE int dap_chain_hash_fast_to_str( dap_chain_hash_fast_t *a_hash, char *a_str, size_t a_str_max )
+{
+ a_str[0] = '0';
+ a_str[1] = 'x';
+ a_str[ DAP_CHAIN_HASH_FAST_SIZE * 2 + 2 ] = 0;
+ dap_htoa64( (a_str + 2), a_hash->raw, DAP_CHAIN_HASH_FAST_SIZE );
+ return DAP_CHAIN_HASH_FAST_SIZE * 2 + 2;
+}
+
+static inline char *dap_chain_hash_fast_to_str_new(dap_chain_hash_fast_t * a_hash)
+{
+ const size_t c_hash_str_size = sizeof(*a_hash)*2 +1 /*trailing zero*/ +2 /* heading 0x */+4/*just to be sure*/ ;
+ char * ret = DAP_NEW_Z_SIZE(char, c_hash_str_size);
+ dap_chain_hash_fast_to_str( a_hash, ret, c_hash_str_size );
+ return ret;
+}
diff --git a/include/dap_hash_fusion.h b/include/dap_hash_fusion.h
new file mode 100755
index 0000000..a2d8d85
--- /dev/null
+++ b/include/dap_hash_fusion.h
@@ -0,0 +1,25 @@
+/*
+ * Authors:
+ * Dmitriy A. Gearasimov <kahovski@gmail.com>
+ * DeM Labs Inc. https://demlabs.net
+ * DeM Labs Open source community https://github.com/demlabsinc
+ * Copyright (c) 2017-2018
+ * All rights reserved.
+
+ This file is part of DAP (Deus Applications Prototypes) the open source project
+
+ DAP (Deus Applicaions Prototypes) is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ DAP is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with any DAP based project. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#pragma once
diff --git a/include/dap_hash_keccak.h b/include/dap_hash_keccak.h
new file mode 100755
index 0000000..f94db1c
--- /dev/null
+++ b/include/dap_hash_keccak.h
@@ -0,0 +1,35 @@
+/*
+ * Authors:
+ * Dmitriy A. Gearasimov <kahovski@gmail.com>
+ * DeM Labs Inc. https://demlabs.net
+ * DeM Labs Open source community https://github.com/demlabsinc
+ * Copyright (c) 2017-2018
+ * All rights reserved.
+
+ This file is part of DAP (Deus Applications Prototypes) the open source project
+
+ DAP (Deus Applicaions Prototypes) is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ DAP is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with any DAP based project. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#pragma once
+
+/*
+#include "keccak.h"
+
+static inline void dap_hash_keccak(const void * a_in, size_t a_in_size, void * a_out, size_t a_out_size)
+{
+ keccak((const uint8_t*) a_in, a_in_size, (uint8_t *) a_out,(int) a_out_size );
+}*/
+
+
diff --git a/include/dap_pkey.h b/include/dap_pkey.h
new file mode 100755
index 0000000..af9d930
--- /dev/null
+++ b/include/dap_pkey.h
@@ -0,0 +1,63 @@
+/*
+ * Authors:
+ * Dmitriy A. Gearasimov <gerasimov.dmitriy@demlabs.net>
+ * DeM Labs Inc. https://demlabs.net https:/gitlab.com/demlabs
+ * Kelvin Project https://github.com/kelvinblockchain
+ * Copyright (c) 2017-2018
+ * All rights reserved.
+
+ This file is part of DAP (Deus Applications Prototypes) the open source project
+
+ DAP (Deus Applicaions Prototypes) is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ DAP is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with any DAP based project. If not, see <http://www.gnu.org/licenses/>.
+*/
+#pragma once
+
+#include <stdint.h>
+#include "dap_common.h"
+#include "dap_enc_key.h"
+
+typedef union dap_pkey_type{
+ enum {
+ PKEY_TYPE_NULL = 0x0000,
+ PKEY_TYPE_SIGN_BLISS = 0x0901,
+ PKEY_TYPE_SIGN_TESLA = 0x0902,
+ PKEY_TYPE_SIGN_DILITHIUM = 0x0903,
+ PKEY_TYPE_SIGN_PICNIC = 0x0102,
+ PKEY_TYPE_MULTI = 0xffff /// @brief Has inside subset of different keys
+
+ } type: 16;
+ uint16_t raw;
+} dap_pkey_type_t;
+/**
+ * @struct dap_pkey
+ * @brief Public keys
+ */
+typedef struct dap_pkey{
+ struct {
+ dap_pkey_type_t type; /// Pkey type
+ uint32_t size; /// Pkey size
+ } header; /// Only header's hash is used for verification
+ uint8_t pkey[]; /// @param pkey @brief raw pkey dat
+} DAP_ALIGN_PACKED dap_pkey_t;
+
+static dap_pkey_t m_dap_pkey_null; // For sizeof nothing more
+
+dap_pkey_t *dap_pkey_from_enc_key(dap_enc_key_t *a_key);
+static inline size_t dap_pkey_from_enc_key_output_calc(dap_enc_key_t *a_key)
+{
+ return sizeof(m_dap_pkey_null.header)+ a_key->pub_key_data_size;
+}
+
+int dap_pkey_from_enc_key_output(dap_enc_key_t *a_key, void * a_output);
+
diff --git a/include/dap_sign.h b/include/dap_sign.h
new file mode 100755
index 0000000..8a5542e
--- /dev/null
+++ b/include/dap_sign.h
@@ -0,0 +1,87 @@
+/*
+ * Authors:
+ * Dmitriy A. Gearasimov <gerasimov.dmitriy@demlabs.net>
+ * DeM Labs Inc. https://demlabs.net https:/gitlab.com/demlabs
+ * Kelvin Project https://github.com/kelvinblockchain
+ * Copyright (c) 2017-2018
+ * All rights reserved.
+
+ This file is part of DAP (Deus Applications Prototypes) the open source project
+
+ DAP (Deus Applicaions Prototypes) is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ DAP is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with any DAP based project. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#pragma once
+
+#include <stdint.h>
+#include "dap_common.h"
+#include "dap_enc_ca.h"
+#include "dap_enc_key.h"
+#include "dap_pkey.h"
+#include "dap_hash.h"
+
+typedef union dap_sign_type{
+ enum {
+ SIG_TYPE_NULL = 0x0000,
+ SIG_TYPE_BLISS = 0x0001,
+ SIG_TYPE_DEFO = 0x0002, /// @brief key image for anonymous transaction
+ SIG_TYPE_TESLA = 0x0003, /// @brief
+ SIG_TYPE_PICNIC = 0x0101, /// @brief
+ SIG_TYPE_DILITHIUM = 0x0102, /// @brief
+ SIG_TYPE_MULTI = 0xffff /// @brief Has inside subset of different signatures and sign composed with all of them
+ } type: 16;
+ uint16_t raw;
+} dap_sign_type_t;
+
+typedef struct dap_sign_hdr{
+ dap_sign_type_t type; /// Signature type
+ uint8_t padding[2]; /// Padding for better aligmnent
+ uint16_t sign_size; /// Signature size
+ uint32_t sign_pkey_size; /// Signature serialized public key size
+} DAP_ALIGN_PACKED dap_sign_hdr_t;
+
+/**
+ * @struct dap_sign
+ * @brief Chain storage format for digital signature
+ */
+typedef struct dap_sign
+{
+ dap_sign_hdr_t header; /// Only header's hash is used for verification
+ uint8_t pkey_n_sign[]; /// @param sig @brief raw signature data
+} DAP_ALIGN_PACKED dap_sign_t;
+
+size_t dap_sign_get_size(dap_sign_t * a_chain_sign);
+
+int dap_sign_verify (dap_sign_t * a_chain_sign, const void * a_data, const size_t a_data_size);
+
+dap_sign_t * dap_sign_create(dap_enc_key_t *a_key, const void * a_data, const size_t a_data_size
+ , size_t a_output_wish_size );
+size_t dap_sign_create_output_unserialized_calc_size(dap_enc_key_t * a_key,size_t a_output_wish_size );
+//int dap_sign_create_output(dap_enc_key_t *a_key, const void * a_data, const size_t a_data_size
+// , void * a_output, size_t a_output_size );
+
+
+dap_sign_type_t dap_sign_type_from_key_type( dap_enc_key_type_t a_key_type);
+dap_enc_key_type_t dap_sign_type_to_key_type(dap_sign_type_t a_chain_sign_type);
+
+dap_sign_type_t dap_pkey_type_from_sign( dap_pkey_type_t a_pkey_type);
+
+uint8_t* dap_sign_get_sign(dap_sign_t *a_sign, size_t *a_sign_out);
+uint8_t* dap_sign_get_pkey(dap_sign_t *a_sign, size_t *a_pub_key_out);
+bool dap_sign_get_pkey_hash(dap_sign_t *a_sign, dap_chain_hash_fast_t * a_sign_hash);
+
+dap_enc_key_t *dap_sign_to_enc_key(dap_sign_t * a_chain_sign);
+const char * dap_sign_type_to_str(dap_sign_type_t a_chain_sign_type);
+dap_sign_type_t dap_sign_type_from_str(const char * a_type_str);
+
diff --git a/src/dap_cert.c b/src/dap_cert.c
new file mode 100755
index 0000000..e82d29d
--- /dev/null
+++ b/src/dap_cert.c
@@ -0,0 +1,481 @@
+/*
+ * Authors:
+ * Dmitriy A. Gearasimov <gerasimov.dmitriy@demlabs.net>
+ * DeM Labs Inc. https://demlabs.net https:/gitlab.com/demlabs
+ * Kelvin Project https://github.com/kelvinblockchain
+ * Copyright (c) 2017-2018
+ * All rights reserved.
+
+ This file is part of DAP (Deus Applications Prototypes) the open source project
+
+ DAP (Deus Applicaions Prototypes) is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ DAP is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with any DAP based project. If not, see <http://www.gnu.org/licenses/>.
+*/
+#include <sys/types.h>
+#include <dirent.h>
+#include <string.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <ctype.h>
+
+#include "uthash.h"
+#include "utlist.h"
+#include "dap_common.h"
+#include "dap_config.h"
+#include "dap_string.h"
+#include "dap_strfuncs.h"
+#include "dap_cert.h"
+#include "dap_cert_file.h"
+//#include "dap_hash.h"
+#define LOG_TAG "dap_cert"
+
+
+typedef struct dap_sign_item
+{
+ dap_sign_t * sign;
+ struct dap_sign_item * next;
+ struct dap_sign_item * prev;
+} dap_sign_item_t;
+
+typedef struct dap_cert_item
+{
+ char name[DAP_CERT_ITEM_NAME_MAX];
+ dap_cert_t * cert;
+ UT_hash_handle hh;
+} dap_cert_item_t;
+
+typedef struct dap_cert_pvt
+{
+ dap_sign_item_t *signs;
+} dap_cert_pvt_t;
+
+
+#define PVT(a) ( ( dap_cert_pvt_t *)((a)->_pvt) )
+
+static dap_cert_item_t * s_certs = NULL;
+
+/**
+ * @brief dap_cert_init
+ * @return
+ */
+int dap_cert_init()
+{
+ return 0;
+}
+
+/**
+ * @brief dap_cert_parse_str_list
+ * @param a_certs_str
+ * @param a_certs
+ * @param a_certs_size_t
+ * @return summary size for signatures of all certs in list
+ */
+size_t dap_cert_parse_str_list(const char * a_certs_str, dap_cert_t *** a_certs, size_t * a_certs_size)
+{
+ char * l_certs_tmp_ptrs = NULL;
+ char * l_certs_str_dup = strdup(a_certs_str);
+ char *l_cert_str = strtok_r(l_certs_str_dup, ",", &l_certs_tmp_ptrs);
+
+ // First we just calc items
+ while(l_cert_str) {
+ l_cert_str = strtok_r(NULL, ",", &l_certs_tmp_ptrs);
+ (*a_certs_size)++;
+ }
+ // init certs array
+ dap_cert_t **l_certs;
+ *a_certs = l_certs = DAP_NEW_Z_SIZE(dap_cert_t*, (*a_certs_size) * sizeof(dap_cert_t*) );
+
+ // Second pass we parse them all
+ strcpy(l_certs_str_dup, a_certs_str);
+ l_cert_str = strtok_r(l_certs_str_dup, ",", &l_certs_tmp_ptrs);
+
+ size_t l_certs_pos = 0;
+ size_t l_sign_total_size =0;
+ while(l_cert_str) {
+ // trim whitespace in certificate's name
+ l_cert_str = dap_strstrip(l_cert_str);// removes leading and trailing spaces
+ // get certificate by name
+ l_certs[l_certs_pos] = dap_cert_find_by_name(l_cert_str);
+ // if certificate is found
+ if(l_certs[l_certs_pos]) {
+ l_sign_total_size += dap_cert_sign_output_size(l_certs[l_certs_pos],0);
+ l_certs_pos++;
+ } else {
+ log_it(L_WARNING,"Can't load cert %s",l_cert_str);
+ DAP_DELETE(*a_certs);
+ *a_certs = NULL;
+ *a_certs_size = 0;
+ break;
+ }
+ l_cert_str = strtok_r(NULL, ",", &l_certs_tmp_ptrs);
+ }
+ free(l_certs_str_dup);
+ return l_sign_total_size;
+}
+
+
+
+/**
+ * @brief dap_cert_sign_output_size
+ * @param a_cert
+ * @param a_size_wished
+ * @return
+ */
+size_t dap_cert_sign_output_size(dap_cert_t * a_cert, size_t a_size_wished)
+{
+ return dap_sign_create_output_unserialized_calc_size( a_cert->enc_key,a_size_wished);
+}
+
+/**
+ * @brief dap_cert_sign_output
+ * @param a_cert
+ * @param a_data
+ * @param a_data_size
+ * @param a_output
+ * @param a_output_siz
+ * @return
+ */
+/*int dap_cert_sign_output(dap_cert_t * a_cert, const void * a_data, size_t a_data_size,
+ void * a_output, size_t a_output_size)
+{
+ return dap_sign_create_output( a_cert->enc_key,a_data,a_data_size,a_output,a_output_size);
+}*/
+
+/**
+ * @brief dap_cert_sign
+ * @param a_cert
+ * @param a_data
+ * @param a_data_size
+ * @param a_output_size_wished
+ * @return
+ */
+dap_sign_t * dap_cert_sign(dap_cert_t * a_cert, const void * a_data
+ , size_t a_data_size, size_t a_output_size_wished )
+{
+ dap_enc_key_t * l_key = a_cert->enc_key;
+ dap_sign_t *l_ret = dap_sign_create(l_key, a_data, a_data_size, a_output_size_wished);
+ return l_ret;
+}
+
+/**
+ * @brief dap_cert_add_cert_sign
+ * @param a_cert
+ * @param a_cert_signer
+ * @return
+ */
+int dap_cert_add_cert_sign(dap_cert_t * a_cert, dap_cert_t * a_cert_signer)
+{
+ if (a_cert->enc_key->pub_key_data_size && a_cert->enc_key->pub_key_data) {
+ dap_sign_item_t * l_sign_item = DAP_NEW_Z(dap_sign_item_t);
+ l_sign_item->sign = dap_cert_sign (a_cert_signer,a_cert->enc_key->pub_key_data,a_cert->enc_key->pub_key_data_size,0);
+ DL_APPEND ( PVT(a_cert)->signs, l_sign_item );
+ return 0;
+ } else {
+ log_it (L_ERROR, "No public key in cert \"%s\" that we are trying to sign with \"%s\"", a_cert->name,a_cert_signer->name);
+ return -1;
+ }
+}
+
+
+/**
+ * @brief dap_cert_generate_mem
+ * @param a_cert_name
+ * @param a_key_type
+ * @return
+ */
+dap_cert_t * dap_cert_generate_mem(const char * a_cert_name,
+ dap_enc_key_type_t a_key_type )
+{
+ dap_enc_key_t *l_enc_key = dap_enc_key_new_generate(a_key_type, NULL, 0, NULL, 0, 0);
+ if ( l_enc_key ){
+ dap_cert_t * l_cert = dap_cert_new(a_cert_name);
+ l_cert->enc_key = l_enc_key;
+ log_it(L_DEBUG,"Certificate generated");
+ //dap_cert_item_t * l_cert_item = DAP_NEW_Z(dap_cert_item_t);
+ //snprintf(l_cert_item->name,sizeof(l_cert_item->name),"%s",a_cert_name);
+ //HASH_ADD_STR(s_certs,name,l_cert_item);
+ log_it(L_DEBUG,"Certificate name %s recorded", a_cert_name);
+ return l_cert;
+ } else {
+ log_it(L_ERROR,"Can't generate key in memory!");
+ //dap_cert_delete(l_cert);
+ return NULL;
+ }
+}
+
+/**
+ * @brief dap_cert_generate
+ * @param a_cert_name
+ * @param a_file_path
+ * @param a_key_type
+ * @return
+ */
+dap_cert_t * dap_cert_generate(const char * a_cert_name
+ , const char * a_file_path,dap_enc_key_type_t a_key_type )
+{
+ dap_cert_t * l_cert = dap_cert_generate_mem(a_cert_name,a_key_type);
+ if ( l_cert){
+ if ( dap_cert_file_save(l_cert, a_file_path) == 0 ){
+ return l_cert;
+ } else{
+ dap_cert_delete(l_cert);
+ log_it(L_ERROR, "Can't save certificate to the file!");
+ return NULL;
+ }
+ } else {
+ log_it(L_ERROR,"Can't generate certificat in memory!");
+ }
+ return NULL;
+}
+
+/**
+ * @brief dap_cert_delete_by_name
+ * @param a_cert_name
+ */
+void dap_cert_delete_by_name(const char * a_cert_name)
+{
+ dap_cert_t * l_cert = dap_cert_find_by_name(a_cert_name);
+ if ( l_cert )
+ dap_cert_delete( l_cert );
+ else
+ log_it(L_WARNING,"Can't find \"%s\" certificate to delete it",a_cert_name);
+}
+
+/**
+ * @brief dap_cert_find_by_name
+ * @param a_cert_name
+ * @return
+ */
+dap_cert_t * dap_cert_find_by_name(const char * a_cert_name)
+{
+ dap_cert_item_t * l_cert_item = NULL;
+ HASH_FIND_STR(s_certs,a_cert_name,l_cert_item);
+ if ( l_cert_item ){
+ return l_cert_item->cert ;
+ } else {
+ dap_cert_t *l_cert = NULL;
+ uint16_t l_ca_folders_size = 0;
+ char **l_ca_folders;
+ char *l_cert_path = NULL;
+ l_ca_folders = dap_config_get_array_str(g_config, "resources", "ca_folders", &l_ca_folders_size);
+ for (uint16_t i = 0; i < l_ca_folders_size; ++i) {
+#ifdef _WIN32
+ l_cert_path = dap_strjoin("", s_sys_dir_path, l_ca_folders[i], "/", a_cert_name, ".dcert", (char*)NULL);
+#else
+ l_cert_path = dap_strjoin("", l_ca_folders[i], "/", a_cert_name, ".dcert", (char*)NULL);
+#endif
+ l_cert = dap_cert_file_load(l_cert_path);
+ if (l_cert) {
+ goto ret;
+ }
+ }
+ ret:
+ if (l_cert_path)
+ DAP_DELETE(l_cert_path);
+ return l_cert;
+ }
+}
+
+
+/**
+ * @brief dap_cert_new
+ * @param a_name
+ * @return
+ */
+dap_cert_t * dap_cert_new(const char * a_name)
+{
+ dap_cert_t * l_ret = DAP_NEW_Z(dap_cert_t);
+ l_ret->_pvt = DAP_NEW_Z(dap_cert_pvt_t);
+ dap_snprintf(l_ret->name,sizeof(l_ret->name),"%s",a_name);
+
+ dap_cert_item_t * l_cert_item = DAP_NEW_Z(dap_cert_item_t);
+ dap_snprintf(l_cert_item->name,sizeof(l_cert_item->name),"%s",a_name);
+ l_cert_item->cert = l_ret;
+ HASH_ADD_STR(s_certs,name,l_cert_item);
+
+ return l_ret;
+}
+
+/**
+ * @brief s_cert_delete
+ * @param a_cert
+ */
+void dap_cert_delete(dap_cert_t * a_cert)
+{
+ dap_cert_item_t * l_cert_item = NULL;
+ HASH_FIND_STR(s_certs, a_cert->name, l_cert_item);
+ if ( l_cert_item ){
+ HASH_DEL(s_certs,l_cert_item);
+ DAP_DELETE (l_cert_item);
+ }
+
+ if( a_cert->enc_key )
+ dap_enc_key_delete (a_cert->enc_key );
+ if( a_cert->metadata )
+ DAP_DELETE (a_cert->metadata );
+ if (a_cert->_pvt)
+ DAP_DELETE( a_cert->_pvt );
+ DAP_DELETE (a_cert );
+}
+
+/**
+ * @brief dap_cert_add_file
+ * @param a_cert_name
+ * @param a_folder_path
+ * @return
+ */
+dap_cert_t * dap_cert_add_file(const char * a_cert_name,const char *a_folder_path)
+{
+ size_t l_cert_path_length = strlen(a_cert_name)+8+strlen(a_folder_path);
+ char * l_cert_path = DAP_NEW_Z_SIZE(char,l_cert_path_length);
+ dap_snprintf(l_cert_path,l_cert_path_length,"%s/%s.dcert",a_folder_path,a_cert_name);
+ if( access( l_cert_path, F_OK ) == -1 ) {
+ log_it (L_ERROR, "File %s is not exists! ", l_cert_path);
+ DAP_DELETE(l_cert_path);
+ exit(-701);
+ }
+ dap_cert_t * l_cert;
+ l_cert = dap_cert_file_load(l_cert_path);
+ if (l_cert == NULL){
+ log_it (L_ERROR, "File %s is corrupted or wrong format ", l_cert_path);
+ }
+ DAP_DELETE(l_cert_path);
+ return l_cert;
+}
+
+/**
+ * @brief dap_cert_save_to_folder
+ * @param a_cert
+ * @param a_file_dir_path
+ */
+int dap_cert_save_to_folder(dap_cert_t * a_cert, const char *a_file_dir_path)
+{
+ int ret = 0;
+ const char * l_cert_name = a_cert->name;
+ size_t l_cert_path_length = strlen(l_cert_name)+8+strlen(a_file_dir_path);
+ char * l_cert_path = DAP_NEW_Z_SIZE(char,l_cert_path_length);
+ dap_snprintf(l_cert_path,l_cert_path_length,"%s/%s.dcert",a_file_dir_path,l_cert_name);
+ ret = dap_cert_file_save(a_cert,l_cert_path);
+ DAP_DELETE( l_cert_path);
+ return ret;
+}
+
+/**
+ * @brief dap_cert_to_pkey
+ * @param a_cert
+ * @return
+ */
+dap_pkey_t * dap_cert_to_pkey(dap_cert_t * a_cert)
+{
+ if ( a_cert )
+ return dap_pkey_from_enc_key( a_cert->enc_key );
+ else
+ return NULL;
+}
+
+/**
+ * @brief dap_cert_compare_with_sign
+ * @param a_cert
+ * @param a_sign
+ * @return
+ */
+int dap_cert_compare_with_sign (dap_cert_t * a_cert,dap_sign_t * a_sign)
+{
+ dap_return_val_if_fail(a_cert && a_cert->enc_key && a_sign, -1);
+ if ( dap_sign_type_from_key_type( a_cert->enc_key->type ).type == a_sign->header.type.type ){
+ int l_ret;
+ size_t l_pub_key_size = 0;
+ // serialize public key
+ uint8_t *l_pub_key = dap_enc_key_serealize_pub_key(a_cert->enc_key, &l_pub_key_size);
+ if ( l_pub_key_size == a_sign->header.sign_pkey_size){
+ l_ret = memcmp ( l_pub_key, a_sign->pkey_n_sign, a_sign->header.sign_pkey_size );
+ }else
+ l_ret = -2; // Wrong pkey size
+ DAP_DELETE(l_pub_key);
+ return l_ret;
+ }else
+ return -1; // Wrong sign type
+}
+
+
+
+/**
+ * @brief dap_cert_count_cert_sign
+ * @param a_cert
+ * @return
+ */
+size_t dap_cert_count_cert_sign(dap_cert_t * a_cert)
+{
+ size_t ret;
+ dap_sign_item_t * l_cert_item = NULL;
+ DL_COUNT( PVT(a_cert)->signs,l_cert_item,ret);
+ return ret > 0 ? ret : 0 ;
+}
+
+
+/**
+ * @brief dap_cert_dump
+ * @param a_cert
+ */
+void dap_cert_dump(dap_cert_t * a_cert)
+{
+ printf ("Certificate name: %s\n",a_cert->name);
+ printf ("Signature type: %s\n", dap_sign_type_to_str( dap_sign_type_from_key_type(a_cert->enc_key->type) ) );
+ printf ("Private key size: %lu\n",a_cert->enc_key->priv_key_data_size);
+ printf ("Public key size: %lu\n", a_cert->enc_key->pub_key_data_size);
+ printf ("Metadata section size: %lu\n",a_cert->metadata?strlen(a_cert->metadata):0);
+ printf ("Certificates signatures chain size: %lu\n",dap_cert_count_cert_sign (a_cert));
+}
+
+
+/**
+ * @brief dap_cert_add_folder
+ * @param a_folder_path
+ */
+void dap_cert_add_folder(const char *a_folder_path)
+{
+ DIR * l_dir = opendir(a_folder_path);
+ if( l_dir ) {
+ struct dirent * l_dir_entry;
+ while((l_dir_entry=readdir(l_dir))!=NULL){
+ const char * l_filename = l_dir_entry->d_name;
+ size_t l_filename_len = strlen (l_filename);
+ // Check if its not special dir entries . or ..
+ if( strcmp(l_filename,".") && strcmp(l_filename,"..") ){
+ // If not check the file's suffix
+ const char l_suffix[]=".dcert";
+ size_t l_suffix_len = strlen(l_suffix);
+ if (strncmp(l_filename+ l_filename_len-l_suffix_len,l_suffix,l_suffix_len) == 0 ){
+ char * l_cert_name = dap_strdup(l_filename);
+ l_cert_name[l_filename_len-l_suffix_len] = '\0'; // Remove suffix
+ // Load the cert file
+ //log_it(L_DEBUG,"Trying to load %s",l_filename);
+ dap_cert_add_file(l_cert_name,a_folder_path);
+ DAP_DELETE(l_cert_name);
+ }
+ }
+
+ }
+ closedir(l_dir);
+ log_it(L_NOTICE, "Added folder %s",a_folder_path);
+ }else
+ log_it(L_WARNING, "Can't add folder %s to cert manager",a_folder_path);
+}
+
+/**
+ * @brief dap_cert_deinit
+ */
+void dap_cert_deinit()
+{
+
+}
diff --git a/src/dap_cert_file.c b/src/dap_cert_file.c
new file mode 100755
index 0000000..f41e05e
--- /dev/null
+++ b/src/dap_cert_file.c
@@ -0,0 +1,230 @@
+/*
+ * Authors:
+ * Dmitriy A. Gearasimov <gerasimov.dmitriy@demlabs.net>
+ * DeM Labs Inc. https://demlabs.net https:/gitlab.com/demlabs
+ * Kelvin Project https://github.com/kelvinblockchain
+ * Copyright (c) 2017-2018
+ * All rights reserved.
+
+ This file is part of DAP (Deus Applications Prototypes) the open source project
+
+ DAP (Deus Applicaions Prototypes) is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ DAP is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with any DAP based project. If not, see <http://www.gnu.org/licenses/>.
+*/
+#include <stdlib.h>
+#include <stdio.h>
+#include <errno.h>
+#include <string.h>
+#include "dap_common.h"
+#include "dap_enc.h"
+#include "dap_enc_key.h"
+#include "dap_cert_file.h"
+
+#define LOG_TAG "dap_cert_file"
+
+/**
+ * @brief dap_cert_file_save
+ * @param a_cert
+ * @param a_cert_file_path
+ * @return
+ */
+int dap_cert_file_save(dap_cert_t * a_cert, const char * a_cert_file_path)
+{
+ FILE * l_file = fopen(a_cert_file_path,"wb");
+ if( l_file ){
+ uint32_t l_data_size = 0;
+ void * l_data = dap_cert_mem_save(a_cert, &l_data_size);
+ if ( l_data ){
+ size_t l_retbytes;
+ if ( (l_retbytes = fwrite(l_data,1,l_data_size,l_file)) != l_data_size ){
+ log_it(L_ERROR, "Can't write %u bytes on disk (processed only %u)!", l_data_size,l_retbytes);
+ return -3;
+ }
+ fclose(l_file);
+ DAP_DELETE(l_data);
+ return 0;
+ }else{
+ log_it(L_ERROR,"Can't serialize certificate in memory");
+ fclose(l_file);
+ return -4;
+ }
+ }else{
+ log_it(L_ERROR, "Can't open file for write: %s", strerror(errno));
+ return -2;
+ }
+}
+
+/**
+ * @brief dap_cert_file_save_to_mem
+ * @param a_cert
+ * @param a_cert_size_out
+ * @return
+ */
+uint8_t* dap_cert_mem_save(dap_cert_t * a_cert, uint32_t *a_cert_size_out)
+{
+ dap_cert_file_hdr_t l_hdr={0};
+ uint32_t l_data_offset = 0;
+ dap_enc_key_t * l_key = a_cert->enc_key;
+ uint8_t *l_data = NULL;
+
+ size_t l_priv_key_data_size = a_cert->enc_key->priv_key_data_size;
+ size_t l_pub_key_data_size = a_cert->enc_key->pub_key_data_size;
+ uint8_t *l_pub_key_data = a_cert->enc_key->pub_key_data_size ?
+ dap_enc_key_serealize_pub_key(l_key, &l_pub_key_data_size) :
+ NULL;
+ uint8_t *l_priv_key_data = a_cert->enc_key->priv_key_data ?
+ dap_enc_key_serealize_priv_key(l_key, &l_priv_key_data_size) :
+ NULL;
+
+ l_hdr.sign = dap_cert_FILE_HDR_SIGN;
+ l_hdr.type = dap_cert_FILE_TYPE_PUBLIC;
+ if ( l_priv_key_data ){
+ l_hdr.type = dap_cert_FILE_TYPE_PRIVATE;
+ log_it(L_DEBUG,"Private key size %u",l_priv_key_data_size);
+ }
+ if (l_pub_key_data){
+ log_it(L_DEBUG,"Public key size %u",l_pub_key_data_size);
+ }else{
+ log_it(L_ERROR,"No public or private key in certificate, nothing to save");
+ goto lb_exit;
+ }
+ log_it(L_DEBUG,"Metadata size %u",l_key->_inheritor_size);
+
+ l_hdr.version = dap_cert_FILE_VERSION;
+ l_hdr.data_size = l_pub_key_data_size;
+ l_hdr.data_pvt_size = l_priv_key_data_size;
+ l_hdr.metadata_size = l_key->_inheritor_size;
+
+ l_hdr.ts_last_used = l_key->last_used_timestamp;
+ l_hdr.sign_type = dap_sign_type_from_key_type ( l_key->type );
+
+
+ l_data = DAP_NEW_SIZE(void, sizeof(l_hdr) + DAP_CERT_ITEM_NAME_MAX + l_priv_key_data_size + l_pub_key_data_size + l_hdr.metadata_size);
+
+ memcpy(l_data +l_data_offset, &l_hdr ,sizeof(l_hdr) );
+ l_data_offset += sizeof(l_hdr);
+
+ memcpy(l_data +l_data_offset, a_cert->name, DAP_CERT_ITEM_NAME_MAX );//save cert name
+ l_data_offset += DAP_CERT_ITEM_NAME_MAX;
+
+ memcpy(l_data +l_data_offset, l_pub_key_data ,l_pub_key_data_size );
+ l_data_offset += l_pub_key_data_size;
+
+ if ( l_priv_key_data_size ) {
+ memcpy(l_data +l_data_offset, l_priv_key_data ,l_priv_key_data_size );
+ l_data_offset += l_priv_key_data_size;
+ }
+
+ if ( l_key->_inheritor_size ) {
+ memcpy(l_data +l_data_offset, l_key->_inheritor ,l_key->_inheritor_size );
+ l_data_offset += l_key->_inheritor_size;
+ }
+lb_exit:
+ DAP_DELETE(l_pub_key_data);
+ DAP_DELETE(l_priv_key_data);
+ if (l_data)
+ log_it(L_NOTICE,"Certificate \"%s\" successfully serialized",a_cert->name);
+ else
+ log_it(L_ERROR,"Certificate \"%s\" was not serialized",a_cert->name);
+ if(a_cert_size_out)
+ *a_cert_size_out = l_data_offset;
+ return l_data;
+}
+
+/**
+ * @brief dap_cert_file_load
+ * @param a_cert_file_path
+ * @return
+ */
+
+dap_cert_t* dap_cert_file_load(const char * a_cert_file_path)
+{
+ dap_cert_t * l_ret = NULL;
+ FILE * l_file = fopen(a_cert_file_path,"rb");
+
+ if( l_file ){
+ fseek(l_file, 0L, SEEK_END);
+ uint64_t l_file_size = ftell(l_file);
+ rewind(l_file);
+ uint8_t * l_data = DAP_NEW_SIZE(uint8_t,l_file_size);
+ if ( fread(l_data,1,l_file_size,l_file ) != l_file_size ){
+ log_it(L_ERROR, "Can't read %u bytes from the disk!", l_file_size);
+ DAP_DELETE (l_data);
+ goto lb_exit;
+ }else{
+ l_ret = dap_cert_mem_load(l_data,l_file_size);
+ }
+ DAP_DELETE(l_data);
+ }
+lb_exit:
+ if( l_file )
+ fclose(l_file);
+ return l_ret;
+}
+
+
+/**
+ * @brief dap_cert_mem_load
+ * @param a_data
+ * @param a_data_size
+ * @return
+ */
+dap_cert_t* dap_cert_mem_load(void * a_data, size_t a_data_size)
+{
+ dap_cert_t * l_ret = NULL;
+ dap_cert_file_hdr_t l_hdr={0};
+ uint8_t * l_data = (uint8_t *) a_data;
+ uint32_t l_data_offset = 0;
+ memcpy(&l_hdr,l_data, sizeof(l_hdr));
+ l_data_offset += sizeof(l_hdr);
+ if (l_hdr.sign != dap_cert_FILE_HDR_SIGN ){
+ log_it(L_ERROR, "Wrong cert signature, corrupted header!");
+ goto l_exit;
+ }
+ if (l_hdr.version >= 1 ){
+ if ( (sizeof(l_hdr) + l_hdr.data_size+l_hdr.data_pvt_size +l_hdr.metadata_size) > a_data_size ){
+ log_it(L_ERROR,"Corrupted cert data, data sections size is smaller than exists on the disk! (%llu expected, %llu on disk)",
+ sizeof(l_hdr)+l_hdr.data_pvt_size+l_hdr.data_size+l_hdr.metadata_size, a_data_size);
+ goto l_exit;
+ }
+
+ char l_name[DAP_CERT_ITEM_NAME_MAX];
+ memcpy(l_name, l_data +l_data_offset, DAP_CERT_ITEM_NAME_MAX );//save cert name
+ l_data_offset += DAP_CERT_ITEM_NAME_MAX;
+
+ //l_ret = DAP_NEW_Z(dap_cert_t);
+ l_ret = dap_cert_new(l_name);
+ l_ret->enc_key = dap_enc_key_new( dap_sign_type_to_key_type( l_hdr.sign_type ));
+ l_ret->enc_key->last_used_timestamp = l_hdr.ts_last_used;
+
+ if ( l_hdr.data_size > 0 ){
+
+ dap_enc_key_deserealize_pub_key(l_ret->enc_key, l_data + l_data_offset, l_hdr.data_size);
+ l_data_offset += l_hdr.data_size;
+ }
+ if ( l_hdr.data_pvt_size > 0 ){
+
+ dap_enc_key_deserealize_priv_key(l_ret->enc_key, l_data + l_data_offset, l_hdr.data_pvt_size);
+ l_data_offset += l_hdr.data_pvt_size;
+ }
+ if(l_hdr.metadata_size > 0 && l_ret->enc_key->_inheritor && l_ret->enc_key->_inheritor_size == l_hdr.metadata_size) {
+ memcpy(l_ret->enc_key->_inheritor, l_data + l_data_offset, l_ret->enc_key->_inheritor_size);
+ }
+ dap_enc_key_update(l_ret->enc_key);
+ log_it(L_NOTICE,"Successfully loaded certificate %s", l_ret->name);
+ }else
+ log_it(L_ERROR,"Unrecognizable certificate version, corrupted file or you have too old software");
+
+l_exit:
+ return l_ret;
+}
diff --git a/src/dap_hash.c b/src/dap_hash.c
new file mode 100755
index 0000000..27db3c7
--- /dev/null
+++ b/src/dap_hash.c
@@ -0,0 +1,55 @@
+/*
+ * Authors:
+ * Dmitriy A. Gearasimov <kahovski@gmail.com>
+ * DeM Labs Inc. https://demlabs.net
+ * DeM Labs Open source community https://github.com/demlabsinc
+ * Copyright (c) 2017-2018
+ * All rights reserved.
+
+ This file is part of DAP (Deus Applications Prototypes) the open source project
+
+ DAP (Deus Applicaions Prototypes) is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ DAP is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with any DAP based project. If not, see <http://www.gnu.org/licenses/>.
+*/
+#include <stdio.h>
+#include <stdlib.h>
+#include "dap_common.h"
+#include "dap_hash.h"
+
+#include "KeccakHash.h"
+#include "SimpleFIPS202.h"
+
+#define LOG_TAG "dap_hash"
+
+/**
+ * @brief dap_chain_str_to_hash_fast_to_str
+ * @param a_hash_str
+ * @param a_hash
+ * @return
+ */
+int dap_chain_str_to_hash_fast( const char * a_hash_str, dap_chain_hash_fast_t * a_hash)
+{
+ const size_t c_hash_str_size = sizeof(*a_hash) * 2 + 1 /*trailing zero*/+ 2 /* heading 0x */;
+ size_t l_hash_str_len = strlen( a_hash_str);
+ if ( l_hash_str_len + 1 == c_hash_str_size ){
+ for (size_t l_offset = 2; l_offset < l_hash_str_len; l_offset+=2 ){
+ if ( ( sscanf(a_hash_str+l_offset,"%02hhx",a_hash->raw+l_offset/2-1) != 1) ||
+ ( sscanf(a_hash_str+l_offset,"%02hhX",a_hash->raw+l_offset/2-1) != 1)
+ )
+ log_it(L_ERROR,"dap_chain_str_to_hash_fast parse error: offset=%u, hash_str_len=%u, str=\"%2s\"",l_offset, l_hash_str_len, a_hash_str+l_offset);
+ return -10* ((int) l_offset); // Wrong char
+ }
+ return 0;
+ }else // Wromg string len
+ return -1;
+}
diff --git a/src/dap_hash_fusion.c b/src/dap_hash_fusion.c
new file mode 100755
index 0000000..a6e107f
--- /dev/null
+++ b/src/dap_hash_fusion.c
@@ -0,0 +1,28 @@
+/*
+ * Authors:
+ * Dmitriy A. Gearasimov <kahovski@gmail.com>
+ * DeM Labs Inc. https://demlabs.net
+ * DeM Labs Open source community https://github.com/demlabsinc
+ * Copyright (c) 2017-2018
+ * All rights reserved.
+
+ This file is part of DAP (Deus Applications Prototypes) the open source project
+
+ DAP (Deus Applicaions Prototypes) is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ DAP is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with any DAP based project. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "dap_common.h"
+#include "dap_hash_fusion.h"
+
+#define LOG_TAG "dap_hash_fusion"
diff --git a/src/dap_hash_keccak.c b/src/dap_hash_keccak.c
new file mode 100755
index 0000000..03695a7
--- /dev/null
+++ b/src/dap_hash_keccak.c
@@ -0,0 +1,26 @@
+/*
+ * Authors:
+ * Dmitriy A. Gearasimov <kahovski@gmail.com>
+ * DeM Labs Inc. https://demlabs.net
+ * DeM Labs Open source community https://github.com/demlabsinc
+ * Copyright (c) 2017-2018
+ * All rights reserved.
+
+ This file is part of DAP (Deus Applications Prototypes) the open source project
+
+ DAP (Deus Applicaions Prototypes) is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ DAP is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with any DAP based project. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "dap_hash_keccak.h"
+
diff --git a/src/dap_pkey.c b/src/dap_pkey.c
new file mode 100755
index 0000000..4a62c38
--- /dev/null
+++ b/src/dap_pkey.c
@@ -0,0 +1,90 @@
+/*
+ * Authors:
+ * Dmitriy A. Gearasimov <gerasimov.dmitriy@demlabs.net>
+ * DeM Labs Inc. https://demlabs.net https:/gitlab.com/demlabs
+ * Kelvin Project https://github.com/kelvinblockchain
+ * Copyright (c) 2017-2018
+ * All rights reserved.
+
+ This file is part of DAP (Deus Applications Prototypes) the open source project
+
+ DAP (Deus Applicaions Prototypes) is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ DAP is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with any DAP based project. If not, see <http://www.gnu.org/licenses/>.
+*/
+#include <string.h>
+#include "dap_common.h"
+#include "dap_pkey.h"
+
+#define LOG_TAG "chain_key"
+//static dap_pkey_t m_dap_pkey_null={0}; // For sizeof nothing more
+
+
+/**
+ * @brief dap_pkey_from_enc_key
+ * @param a_key
+ * @return
+ */
+dap_pkey_t* dap_pkey_from_enc_key(dap_enc_key_t *a_key)
+{
+ if (a_key->pub_key_data_size > 0 ){
+ dap_pkey_t * l_ret = NULL;
+ l_ret = DAP_NEW_Z_SIZE(dap_pkey_t,dap_pkey_from_enc_key_output_calc(a_key));
+ if( dap_pkey_from_enc_key_output(a_key,l_ret) != 0 ) {
+ DAP_DELETE(l_ret);
+ return NULL;
+ }else
+ return l_ret;
+ }
+
+ return NULL;
+}
+
+/**
+ * @brief dap_pkey_from_enc_key_output
+ * @param a_key
+ * @param a_output
+ * @return
+ */
+int dap_pkey_from_enc_key_output(dap_enc_key_t *a_key, void * a_output)
+{
+ dap_pkey_t * l_output = (dap_pkey_t *) a_output;
+ if (a_key->pub_key_data_size > 0 ){
+ switch (a_key->type) {
+ case DAP_ENC_KEY_TYPE_SIG_BLISS:
+ l_output->header.type.type = PKEY_TYPE_SIGN_BLISS ;
+ break;
+ case DAP_ENC_KEY_TYPE_SIG_TESLA:
+ l_output->header.type.type = PKEY_TYPE_SIGN_TESLA ;
+ break;
+ case DAP_ENC_KEY_TYPE_SIG_PICNIC:
+ l_output->header.type.type = PKEY_TYPE_SIGN_PICNIC ;
+ break;
+ case DAP_ENC_KEY_TYPE_SIG_DILITHIUM:
+ l_output->header.type.type = PKEY_TYPE_SIGN_DILITHIUM;
+ break;
+
+ default:
+ log_it(L_WARNING,"No serialization preset");
+ return -1;
+ }
+ l_output->header.size = a_key->pub_key_data_size;
+ memcpy(l_output->pkey,a_key->pub_key_data,a_key->pub_key_data_size);
+ return 0;
+ }else{
+ log_it(L_WARNING, "No public key in the input enc_key object");
+ return -2;
+ }
+ return -3;
+}
+
+
diff --git a/src/dap_sign.c b/src/dap_sign.c
new file mode 100755
index 0000000..b7f436d
--- /dev/null
+++ b/src/dap_sign.c
@@ -0,0 +1,350 @@
+/*
+ * Authors:
+ * Dmitriy A. Gearasimov <gerasimov.dmitriy@demlabs.net>
+ * DeM Labs Inc. https://demlabs.net https:/gitlab.com/demlabs
+ * Kelvin Project https://github.com/kelvinblockchain
+ * Copyright (c) 2017-2018
+ * All rights reserved.
+
+ This file is part of DAP (Deus Applications Prototypes) the open source project
+
+ DAP (Deus Applicaions Prototypes) is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ DAP is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with any DAP based project. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <string.h>
+
+#include "dap_common.h"
+#include "dap_hash.h"
+#include "dap_sign.h"
+#include "dap_enc_bliss.h"
+#include "dap_enc_tesla.h"
+#include "dap_enc_picnic.h"
+#include "dap_enc_dilithium.h"
+
+#define LOG_TAG "dap_sign"
+
+static dap_sign_t * s_sign_null = NULL;
+static bliss_signature_t s_sign_bliss_null = {0};
+
+// calc signature size
+size_t dap_sign_create_output_unserialized_calc_size(dap_enc_key_t * a_key, size_t a_output_wish_size )
+{
+ size_t l_sign_size = 0;
+ switch (a_key->type){
+ case DAP_ENC_KEY_TYPE_SIG_BLISS: l_sign_size = sizeof(s_sign_bliss_null); break;
+ case DAP_ENC_KEY_TYPE_SIG_PICNIC: l_sign_size = dap_enc_picnic_calc_signature_size(a_key); break;
+ case DAP_ENC_KEY_TYPE_SIG_TESLA: l_sign_size = dap_enc_tesla_calc_signature_size(); break;
+ case DAP_ENC_KEY_TYPE_SIG_DILITHIUM: l_sign_size = dap_enc_dilithium_calc_signature_unserialized_size(); break;
+ default : return 0;
+
+ }
+ return l_sign_size;
+ //return sizeof(s_sign_null->header)+ a_key->pub_key_data_size + l_sign_size;
+}
+
+
+/**
+ * @brief dap_sign_type_from_key_type
+ * @param a_key_type
+ * @return
+ */
+dap_sign_type_t dap_sign_type_from_key_type( dap_enc_key_type_t a_key_type)
+{
+ dap_sign_type_t l_sign_type;
+ switch (a_key_type){
+ case DAP_ENC_KEY_TYPE_SIG_BLISS: l_sign_type.type = SIG_TYPE_BLISS; break;
+ case DAP_ENC_KEY_TYPE_SIG_PICNIC: l_sign_type.type = SIG_TYPE_PICNIC; break;
+ case DAP_ENC_KEY_TYPE_SIG_TESLA: l_sign_type.type = SIG_TYPE_TESLA; break;
+ case DAP_ENC_KEY_TYPE_SIG_DILITHIUM: l_sign_type.type = SIG_TYPE_DILITHIUM; break;
+ default: l_sign_type.raw = 0;
+ }
+ return l_sign_type;
+}
+
+/**
+ * @brief dap_sign_type_to_key_type
+ * @param a_chain_sign_type
+ * @return
+ */
+dap_enc_key_type_t dap_sign_type_to_key_type(dap_sign_type_t a_chain_sign_type)
+{
+ switch (a_chain_sign_type.type) {
+ case SIG_TYPE_BLISS: return DAP_ENC_KEY_TYPE_SIG_BLISS;
+ case SIG_TYPE_TESLA: return DAP_ENC_KEY_TYPE_SIG_TESLA;
+ case SIG_TYPE_PICNIC: return DAP_ENC_KEY_TYPE_SIG_PICNIC;
+ case SIG_TYPE_DILITHIUM: return DAP_ENC_KEY_TYPE_SIG_DILITHIUM;
+ default: return DAP_ENC_KEY_TYPE_NULL;
+ }
+}
+
+
+
+/**
+ * @brief dap_sign_type_to_str
+ * @param a_chain_sign_type
+ * @return
+ */
+const char * dap_sign_type_to_str(dap_sign_type_t a_chain_sign_type)
+{
+ switch (a_chain_sign_type.type) {
+ case SIG_TYPE_BLISS: return "sig_bliss";
+ case SIG_TYPE_TESLA: return "sig_tesla";
+ case SIG_TYPE_PICNIC: return "sig_picnic";
+ case SIG_TYPE_DILITHIUM: return "sig_dil";
+ default: return "UNDEFINED";//DAP_ENC_KEY_TYPE_NULL;
+ }
+
+}
+
+/**
+ * @brief dap_pkey_type_from_sign
+ * @param a_pkey_type
+ * @return
+ */
+dap_sign_type_t dap_pkey_type_from_sign( dap_pkey_type_t a_pkey_type)
+{
+ dap_sign_type_t l_sign_type={0};
+ switch (a_pkey_type.type){
+ case PKEY_TYPE_SIGN_BLISS: l_sign_type.type = SIG_TYPE_BLISS; break;
+ case PKEY_TYPE_SIGN_PICNIC: l_sign_type.type = SIG_TYPE_PICNIC; break;
+ case PKEY_TYPE_SIGN_TESLA: l_sign_type.type = SIG_TYPE_TESLA; break;
+ case PKEY_TYPE_SIGN_DILITHIUM : l_sign_type.type = SIG_TYPE_DILITHIUM; break;
+ case PKEY_TYPE_MULTI: l_sign_type.type = SIG_TYPE_MULTI; break;
+ case PKEY_TYPE_NULL: l_sign_type.type = SIG_TYPE_NULL; break;
+ }
+ return l_sign_type;
+}
+
+
+/**
+ * @brief dap_sign_type_from_str
+ * @param a_type_str
+ * @return
+ */
+dap_sign_type_t dap_sign_type_from_str(const char * a_type_str)
+{
+ dap_sign_type_t l_sign_type = {0};
+ if ( strcmp (a_type_str,"sig_bliss") == 0 ){
+ l_sign_type.type = SIG_TYPE_BLISS;
+ } else if ( strcmp (a_type_str,"sig_tesla") == 0){
+ l_sign_type.type = SIG_TYPE_TESLA;
+ } else if ( strcmp (a_type_str,"sig_picnic") == 0){
+ l_sign_type.type = SIG_TYPE_PICNIC;
+ }else if ( strcmp (a_type_str,"sig_dil") == 0){
+ l_sign_type.type = SIG_TYPE_DILITHIUM;
+ }else{
+ log_it (L_WARNING, "Wrong sign type string \"%s\"",a_type_str);
+ }
+ return l_sign_type;
+}
+
+/**
+ * @brief dap_sign_create_output
+ * @param a_key
+ * @param a_data
+ * @param a_data_size
+ * @param a_output [in/out]
+ * @return
+ */
+static int dap_sign_create_output(dap_enc_key_t *a_key, const void * a_data, const size_t a_data_size,
+ void * a_output, size_t *a_output_size)
+{
+ if(!a_key || !a_key->priv_key_data || !a_key->priv_key_data_size){
+ log_it (L_ERROR, "Can't find the private key to create signature");
+ return -1;
+ }
+ switch (a_key->type) {
+ case DAP_ENC_KEY_TYPE_SIG_TESLA:
+ case DAP_ENC_KEY_TYPE_SIG_PICNIC:
+ case DAP_ENC_KEY_TYPE_SIG_DILITHIUM:
+ // For PICNIC a_output_size should decrease
+ *a_output_size = dap_enc_sig_dilithium_get_sign(a_key,a_data,a_data_size,a_output,sizeof(dilithium_signature_t));
+ // a_key->enc_na(a_key, a_data, a_data_size, a_output, *a_output_size);
+ return (*a_output_size > 0) ? 0 : -1;
+
+
+ case DAP_ENC_KEY_TYPE_SIG_BLISS:
+ return (dap_enc_sig_bliss_get_sign(a_key, a_data, a_data_size, a_output, *a_output_size) == BLISS_B_NO_ERROR)
+ ? 0 : -1;
+ default:
+ return -1;
+ }
+}
+
+/**
+ * @brief dap_sign_create
+ * @param a_key
+ * @param a_data
+ * @param a_data_size
+ * @param a_output_wish_size
+ * @return
+ */
+dap_sign_t * dap_sign_create(dap_enc_key_t *a_key, const void * a_data,
+ const size_t a_data_size, size_t a_output_wish_size)
+{
+ // calculate max signature size
+ size_t l_sign_unserialized_size = dap_sign_create_output_unserialized_calc_size(a_key, a_output_wish_size);
+ if(l_sign_unserialized_size > 0) {
+ size_t l_pub_key_size = 0;
+ uint8_t *l_pub_key = dap_enc_key_serealize_pub_key(a_key, &l_pub_key_size);
+ if(!l_pub_key)
+ return NULL;
+ uint8_t* l_sign_unserialized = DAP_NEW_Z_SIZE(uint8_t, l_sign_unserialized_size);
+ // calc signature [sign_size may decrease slightly]
+ if( dap_sign_create_output(a_key, a_data, a_data_size,
+ l_sign_unserialized, &l_sign_unserialized_size) != 0) {
+ dap_enc_key_signature_delete(a_key->type, l_sign_unserialized);
+ DAP_DELETE(l_pub_key);
+ return NULL;
+ } else {
+ size_t l_sign_ser_size = l_sign_unserialized_size;
+ uint8_t *l_sign_ser = dap_enc_key_serealize_sign(a_key->type, l_sign_unserialized, &l_sign_ser_size);
+ if ( l_sign_ser ){
+ dap_sign_t * l_ret = DAP_NEW_Z_SIZE(dap_sign_t,
+ sizeof(dap_sign_hdr_t) + l_sign_ser_size + l_pub_key_size);
+ // write serialized public key to dap_sign_t
+ memcpy(l_ret->pkey_n_sign, l_pub_key, l_pub_key_size);
+ l_ret->header.type = dap_sign_type_from_key_type(a_key->type);
+ // write serialized signature to dap_sign_t
+ memcpy(l_ret->pkey_n_sign + l_pub_key_size, l_sign_ser, l_sign_ser_size);
+ l_ret->header.sign_pkey_size =(uint32_t) l_pub_key_size;
+ l_ret->header.sign_size = (uint32_t) l_sign_ser_size;
+ DAP_DELETE(l_sign_ser);
+ dap_enc_key_signature_delete(a_key->type, l_sign_unserialized);
+ DAP_DELETE(l_pub_key);
+ return l_ret;
+ }else {
+ log_it(L_WARNING,"Can't serialize signature: NULL returned");
+ return NULL;
+ }
+ }
+ }
+ return NULL;
+}
+
+/**
+ * @brief dap_sign_get_sign
+ * @param a_sign
+ * @param a_sign_out
+ * @return
+ */
+uint8_t* dap_sign_get_sign(dap_sign_t *a_sign, size_t *a_sign_out)
+{
+ if(!a_sign)
+ return NULL;
+ if(a_sign_out)
+ *a_sign_out = a_sign->header.sign_size;
+ return a_sign->pkey_n_sign + a_sign->header.sign_pkey_size;
+}
+
+/**
+ * @brief dap_sign_get_pkey
+ * @param a_sign
+ * @param a_pub_key_out
+ * @return
+ */
+uint8_t* dap_sign_get_pkey(dap_sign_t *a_sign, size_t *a_pub_key_out)
+{
+ if(!a_sign)
+ return NULL;
+ if(a_pub_key_out)
+ *a_pub_key_out = a_sign->header.sign_pkey_size;
+ return a_sign->pkey_n_sign;
+}
+
+/**
+ * @brief dap_sign_get_pkey_hash
+ * @param a_sign
+ * @param a_sign_hash
+ * @return
+ */
+bool dap_sign_get_pkey_hash(dap_sign_t *a_sign, dap_chain_hash_fast_t * a_sign_hash)
+{
+ if(!a_sign){
+ log_it( L_WARNING, "Sign is NULL on enter");
+ return false;
+ }
+ if( ! a_sign->header.sign_pkey_size ){
+ log_it( L_WARNING, "Sign public key's size is 0");
+ return false;
+ }
+ return dap_hash_fast( a_sign->pkey_n_sign,a_sign->header.sign_pkey_size,a_sign_hash );
+}
+
+
+/**
+ * @brief dap_sign_to_enc_key
+ * @param a_chain_sign
+ * @return
+ */
+dap_enc_key_t *dap_sign_to_enc_key(dap_sign_t * a_chain_sign)
+{
+ dap_enc_key_t * l_ret = dap_enc_key_new( dap_sign_type_to_key_type( a_chain_sign->header.type ) );
+ size_t l_pkey_size = 0;
+ uint8_t *l_pkey = dap_sign_get_pkey(a_chain_sign, &l_pkey_size);
+ // deserialize public key
+ dap_enc_key_deserealize_pub_key(l_ret, l_pkey, l_pkey_size);
+ return l_ret;
+}
+
+/**
+ * @brief dap_sign_verify
+ * @param a_chain_sign
+ * @param a_data
+ * @param a_data_size
+ * @return 1 valid signature, 0 invalid signature, -1 unsupported sign type
+ */
+int dap_sign_verify(dap_sign_t * a_chain_sign, const void * a_data, const size_t a_data_size)
+{
+ int l_ret;
+ dap_enc_key_t * l_key = dap_sign_to_enc_key(a_chain_sign);
+ size_t l_sign_size = a_chain_sign->header.sign_size;
+ size_t l_sign_ser_size;
+ uint8_t *l_sign_ser = dap_sign_get_sign(a_chain_sign, &l_sign_ser_size);
+ // deserialize signature
+ uint8_t * l_sign = dap_enc_key_deserealize_sign(l_key->type, l_sign_ser, &l_sign_size);
+
+ //uint8_t * l_sign = a_chain_sign->pkey_n_sign + a_chain_sign->header.sign_pkey_size;
+ switch (l_key->type) {
+ case DAP_ENC_KEY_TYPE_SIG_TESLA:
+ case DAP_ENC_KEY_TYPE_SIG_PICNIC:
+ case DAP_ENC_KEY_TYPE_SIG_DILITHIUM:
+ if(l_key->dec_na(l_key, a_data, a_data_size, l_sign, l_sign_size) > 0)
+ l_ret = 0;
+ else
+ l_ret = 1;
+ break;
+ case DAP_ENC_KEY_TYPE_SIG_BLISS:
+ if(dap_enc_sig_bliss_verify_sign(l_key, a_data, a_data_size, l_sign, l_sign_size) != BLISS_B_NO_ERROR)
+ l_ret = 0;
+ else
+ l_ret = 1;
+ break;
+ default:
+ l_ret = -1;
+ }
+ dap_enc_key_signature_delete(l_key->type, l_sign);
+ dap_enc_key_delete(l_key);
+ return l_ret;
+}
+
+/**
+ * Get size of struct dap_sign_t
+ */
+size_t dap_sign_get_size(dap_sign_t * a_chain_sign)
+{
+ if(!a_chain_sign)
+ return 0;
+ return (sizeof(dap_sign_t) + a_chain_sign->header.sign_size + a_chain_sign->header.sign_pkey_size);
+}
diff --git a/test/cert/CMakeLists.txt b/test/cert/CMakeLists.txt
new file mode 100755
index 0000000..0885e42
--- /dev/null
+++ b/test/cert/CMakeLists.txt
@@ -0,0 +1,18 @@
+if(TARGET crypto_cert_test)
+ return() # The project has already been built.
+endif()
+project(crypto_cert_test)
+
+add_subdirectory(libdap-test)
+
+file(GLOB SOURCES *.c)
+file(GLOB HEADERS *.h)
+
+add_executable(${PROJECT_NAME} ${SOURCES} ${HEADERS})
+
+target_link_libraries(${PROJECT_NAME} dap_crypto dap_core dap_test)
+
+add_test(
+ NAME crypto_cert_test
+ COMMAND crypto_cert_test
+)
diff --git a/test/cert/dap_crypto_cert_save_tests.c b/test/cert/dap_crypto_cert_save_tests.c
new file mode 100755
index 0000000..96a1420
--- /dev/null
+++ b/test/cert/dap_crypto_cert_save_tests.c
@@ -0,0 +1,66 @@
+#include <stdint.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+#include "dap_test.h"
+#include "dap_enc_key.h"
+#include "dap_cert.h"
+#include "dap_cert_file.h"
+
+#define CERT_FILE_PATH "cert_file_path.tmp"
+
+static void test_cert_memory_file(dap_enc_key_type_t a_key_type)
+{
+ uint32_t l_cert_buf_size = 0;
+
+ dap_cert_t *l_cert = dap_cert_generate_mem("name 1", a_key_type);
+ dap_assert_PIF(l_cert, "Fail create cert");
+
+ uint8_t * l_cert_buf = dap_cert_mem_save(l_cert, &l_cert_buf_size);
+ dap_assert_PIF(l_cert_buf, "Fail save cert to memory");
+ dap_cert_delete(l_cert);
+
+ dap_cert_t *l_cert2 = dap_cert_mem_load(l_cert_buf, l_cert_buf_size);
+ dap_assert_PIF(l_cert2, "Fail read cert from memory");
+ dap_cert_delete(l_cert2);
+ DAP_DELETE(l_cert_buf);
+
+ dap_pass_msg("Save and load cert in memory successfully");
+
+ dap_cert_t *l_certf = dap_cert_generate_mem("name 2", a_key_type);
+ int l_res = dap_cert_file_save(l_certf, CERT_FILE_PATH);
+ dap_assert_PIF(!l_res, "Fail save cert to file");
+ dap_cert_delete(l_certf);
+
+ dap_cert_t *l_certf2 = dap_cert_file_load(CERT_FILE_PATH);
+ dap_assert_PIF(l_certf2, "Fail load cert from file");
+ dap_cert_delete(l_certf2);
+
+ // delete temp file
+ unlink(CERT_FILE_PATH);
+
+ dap_pass_msg("Save and load cert in file successfully");
+}
+
+void init_test_case()
+{
+ dap_enc_key_init();
+}
+
+void cleanup_test_case()
+{
+ dap_enc_key_deinit();
+}
+
+void dap_crypto_cert_save_tests_run(void)
+{
+ dap_print_module_name("dap_cert_save");
+ init_test_case();
+
+ test_cert_memory_file(DAP_ENC_KEY_TYPE_SIG_BLISS);
+ test_cert_memory_file(DAP_ENC_KEY_TYPE_SIG_TESLA);
+ test_cert_memory_file(DAP_ENC_KEY_TYPE_SIG_PICNIC);
+ test_cert_memory_file(DAP_ENC_KEY_TYPE_SIG_DILITHIUM);
+
+ cleanup_test_case();
+}
diff --git a/test/cert/dap_crypto_cert_save_tests.h b/test/cert/dap_crypto_cert_save_tests.h
new file mode 100755
index 0000000..a4002ef
--- /dev/null
+++ b/test/cert/dap_crypto_cert_save_tests.h
@@ -0,0 +1,4 @@
+#pragma once
+#include "dap_test.h"
+
+void dap_crypto_cert_save_tests_run(void);
diff --git a/test/cert/dap_sha3_tests.c b/test/cert/dap_sha3_tests.c
new file mode 100644
index 0000000..7a58271
--- /dev/null
+++ b/test/cert/dap_sha3_tests.c
@@ -0,0 +1,211 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdint.h>
+#include <memory.h>
+#include <time.h>
+#include <stdbool.h>
+
+#ifdef _WIN32
+#include <windows.h>
+#endif
+
+#include <pthread.h>
+
+#include "dap_test.h"
+
+#define BUFSIZE 512
+
+#ifdef _MSC_VER
+ #define DAP_STATIC_INLINE static __forceinline
+ #define DAP_INLINE __forceinline
+ #define DAP_ALIGNED(x) __declspec( align(x) )
+#else
+ #define DAP_STATIC_INLINE static __attribute__((always_inline)) inline
+ #define DAP_INLINE __attribute__((always_inline)) inline
+ #define DAP_ALIGNED(x) __attribute__ ((aligned (x)))
+#endif
+
+uint32_t xs30_seed[4] = { 0x3D696D09, 0xCD6BEB33, 0x9D1A0022, 0x9D1B0022 };
+
+static inline void zRAND_reset( void ) {
+
+ xs30_seed[0] = 0x3D696D09;
+ xs30_seed[1] = 0xCD6BEB33;
+ xs30_seed[2] = 0x9D1A0022;
+ xs30_seed[3] = 0x9D1B0022;
+}
+
+static inline uint32_t zRAND( void ) { //period 2^96-1
+
+ uint32_t *zseed = &xs30_seed[0];
+
+ uint32_t t;
+
+ zseed[0] ^= zseed[0] << 16;
+ zseed[0] ^= zseed[0] >> 5;
+ zseed[0] ^= zseed[0] << 1;
+
+ t = zseed[0];
+ zseed[0] = zseed[1];
+ zseed[1] = zseed[2];
+
+ zseed[2] = t ^ zseed[0] ^ zseed[1];
+
+ return zseed[0];
+}
+
+static inline uint64_t gettime64( void )
+{
+ uint64_t t64;
+ struct timespec now;
+
+ clock_gettime( CLOCK_MONOTONIC, &now );
+ t64 = now.tv_sec;
+ t64 *= 1000000000;
+ t64 += now.tv_nsec;
+
+ return t64;
+}
+
+static inline double gettimefloat( void )
+{
+ return (double)gettime64() / 1000000000.0;
+}
+
+#include "keccak.h"
+#include "XKCP/lib/high/Keccak/FIPS202/KeccakHash.h"
+#include "fips202.h"
+#include "SimpleFIPS202.h"
+
+#define DAP_CHAIN_HASH_FAST_SIZE 32
+
+typedef union dap_chain_hash_fast{
+ uint8_t raw[DAP_CHAIN_HASH_FAST_SIZE];
+} dap_chain_hash_fast_t;
+
+typedef enum dap_hash_type {
+ DAP_HASH_TYPE_KECCAK = 0,
+ DAP_HASH_TYPE_SLOW_0 = 1,
+} dap_hash_type_t;
+
+static inline void dap_hash_keccak( const void * a_in, size_t a_in_size, void *a_out, size_t a_out_size )
+{
+ keccak((const uint8_t*) a_in, a_in_size, (uint8_t *) a_out,(int) a_out_size );
+}
+
+static inline void dap_hash(const void * a_data_in, size_t a_data_in_size,
+ void * a_data_out, size_t a_data_out_size,
+ dap_hash_type_t a_type ){
+ switch (a_type){
+ case DAP_HASH_TYPE_KECCAK:
+ dap_hash_keccak(a_data_in,a_data_in_size, a_data_out,a_data_out_size);
+ break;
+// case DAP_HASH_TYPE_SLOW_0:
+// if( a_data_out_size>= dap_hash_slow_size() ){
+// dap_hash_slow(a_data_in,a_data_in_size,(char*) a_data_out);
+// }
+// break;
+ }
+}
+
+int dap_hash_fast( const void *a_data_in, size_t a_data_in_size, dap_chain_hash_fast_t *a_hash_out )
+{
+ if(!a_data_in || !a_data_in_size || !a_hash_out)
+ return -1;
+
+ dap_hash( a_data_in, a_data_in_size, a_hash_out->raw, sizeof(a_hash_out->raw),
+ DAP_HASH_TYPE_KECCAK);
+
+ return 1;
+}
+
+#define DATA_SIZE 2048
+
+uint8_t data[8192];
+uint8_t data2[8192];
+
+Keccak_HashInstance ki0;
+
+#define print_hash( x ) \
+ printf( " hash = " ); \
+ for( int g = 0; g < 32; ++g ) \
+ printf( "%02X", x[g] ); \
+ printf( "\n" ); \
+
+void dap_sha3_tests_run(void)
+{
+ dap_chain_hash_fast_t hash0;
+ uint64_t start;
+ double t;
+
+ uint8_t hash2[32];
+
+ dap_print_module_name("dap_sha3_tests_run( )");
+
+// printf("dap_hash_fast( ) of %u data x %u ...\n", DATA_SIZE, 65536 );
+
+ for (int i = 0; i < DATA_SIZE; ++ i ) {
+ data[i] = zRAND( ) & 255;
+ }
+
+ zRAND_reset( );
+ start = gettime64( );
+
+ for (int h = 0; h < 65536; h ++ ) {
+ dap_hash_fast( &data[0], DATA_SIZE, &hash0 );
+ }
+
+ t = (double)(gettime64( ) - start) / 1000000000.0;
+ benchmark_mgs_rate( "dap_hash_fast_sha3(monero_crypto)(2048)", 65536.0 / t );
+ print_hash( hash0.raw );
+
+// printf("Keccak_sha_256( ) of %u data x %u ...\n", DATA_SIZE, 65536 );
+ start = gettime64( );
+
+ for (int h = 0; h < 65536; h ++ ) {
+ SHA3_256( &hash2[0], &data[0], DATA_SIZE );
+ }
+ t = (double)(gettime64( ) - start) / 1000000000.0;
+ benchmark_mgs_rate( "SHA_256(XKCP)(2048)", 65536.0 / t );
+ print_hash( hash2 );
+
+// printf("sha3_512(dap_crypto) of %u data x %u ...\n", DATA_SIZE, 65536 );
+ start = gettime64( );
+
+ for (int h = 0; h < 65536; h ++ ) {
+ sha3_256( &hash2[0], &data[0], DATA_SIZE );
+ }
+
+ t = (double)(gettime64( ) - start) / 1000000000.0;
+ benchmark_mgs_rate( "sha3_256(dap_crypto)(2048)", 65536.0 / t );
+
+ print_hash( hash2 );
+
+// printf("shake256(dap_crypto) of %u data x %u ...\n", DATA_SIZE, 65536 );
+ start = gettime64( );
+
+ for (int h = 0; h < 65536; h ++ ) {
+ shake256( &hash2[0], 32, &data[0], DATA_SIZE );
+ }
+
+ t = (double)(gettime64( ) - start) / 1000000000.0;
+ benchmark_mgs_rate( "shake256(dap_crypto)(2048)", 65536.0 / t );
+ print_hash( hash2 );
+
+// printf("SHAKE256 of %u data x %u ...\n", DATA_SIZE, 65536 );
+ start = gettime64( );
+
+ for (int h = 0; h < 65536; h ++ ) {
+ SHAKE256( &hash2[0], 32, &data[0], DATA_SIZE );
+ }
+
+ t = (double)(gettime64( ) - start) / 1000000000.0;
+ benchmark_mgs_rate( "SHAKE256(XKCP)(2048)", 65536.0 / t );
+
+ print_hash( hash2 );
+
+ dap_pass_msg("dap_sha3_tests_run( )");
+
+ return;
+}
\ No newline at end of file
diff --git a/test/cert/main.c b/test/cert/main.c
new file mode 100755
index 0000000..0fc3c08
--- /dev/null
+++ b/test/cert/main.c
@@ -0,0 +1,12 @@
+#include "dap_common.h"
+#include "dap_crypto_cert_save_tests.h"
+
+void dap_sha3_tests_run(void);
+
+int main(void) {
+ // switch off debug info from library
+ dap_log_level_set(L_CRITICAL);
+ dap_crypto_cert_save_tests_run();
+ dap_sha3_tests_run();
+ return 0;
+}
--
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