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Diffstat (limited to 'mysys_ssl/my_sha.inl')
| -rw-r--r-- | mysys_ssl/my_sha.inl | 203 |
1 files changed, 203 insertions, 0 deletions
diff --git a/mysys_ssl/my_sha.inl b/mysys_ssl/my_sha.inl new file mode 100644 index 00000000..6bba6147 --- /dev/null +++ b/mysys_ssl/my_sha.inl @@ -0,0 +1,203 @@ +/* Copyright (c) 2012, Oracle and/or its affiliates. + Copyright (c) 2014, 2017, MariaDB + + This program 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; version 2 of the License. + + This program 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 this program; if not, write to the Free Software Foundation, + 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335 USA */ + + +/** + @file + + @brief + Wrapper functions for OpenSSL, YaSSL implementations. Also provides a + Compatibility layer to make available YaSSL's SHAn implementation. +*/ + +#include <my_global.h> +#include <stdarg.h> + +#define HASH_SIZE (NUM > 1 ? NUM/8 : 20) + +#if defined(HAVE_WOLFSSL) +#define WOLFSSL_SHA512 +#define WOLFSSL_SHA384 +#define WOLFSSL_SHA224 +#include <wolfcrypt/sha.h> +#include <wolfcrypt/sha256.h> +#include <wolfcrypt/sha512.h> +#define xCONTEXT(x) wc_Sha ## x +#define yCONTEXT(y) xCONTEXT(y) +#define CONTEXT yCONTEXT(NUM) +#define wc_InitSha1 wc_InitSha +#define wc_Sha1Final wc_ShaFinal +#define wc_Sha1Update wc_ShaUpdate +#define wc_Sha1 wc_Sha +#define SHA224_CTX SHA256_CTX +#define SHA384_CTX SHA512_CTX + +#define xSHA_Init(x) wc_InitSha ## x +#define xSHA_Update(x) wc_Sha ## x ## Update +#define xSHA_Final(x) wc_Sha ## x ## Final +#define ySHA_Init(y) xSHA_Init(y) +#define ySHA_Update(y) xSHA_Update(y) +#define ySHA_Final(y) xSHA_Final(y) +#define SHA_Init ySHA_Init(NUM) +#define SHA_Update ySHA_Update(NUM) +#define SHA_Final ySHA_Final(NUM) +static void sha_init(CONTEXT *context) +{ + SHA_Init(context); +} + +static void sha_init_fast(CONTEXT *context) +{ + sha_init(context); +} + +static void sha_input(CONTEXT *context, const uchar *buf, unsigned len) +{ + SHA_Update(context, buf, len); +} + +static void sha_result(CONTEXT *context, uchar digest[HASH_SIZE]) +{ + SHA_Final(context, digest); +} + +#elif defined(HAVE_OPENSSL) +#include <openssl/sha.h> + +#define xCONTEXT(x) SHA ## x ## _CTX +#define yCONTEXT(y) xCONTEXT(y) +#define CONTEXT yCONTEXT(NUM) +#define SHA1_CTX SHA_CTX +#define SHA224_CTX SHA256_CTX +#define SHA384_CTX SHA512_CTX + +#define xSHA_Init(x) SHA ## x ## _Init +#define xSHA_Update(x) SHA ## x ## _Update +#define xSHA_Final(x) SHA ## x ## _Final +#define ySHA_Init(y) xSHA_Init(y) +#define ySHA_Update(y) xSHA_Update(y) +#define ySHA_Final(y) xSHA_Final(y) +#define SHA_Init ySHA_Init(NUM) +#define SHA_Update ySHA_Update(NUM) +#define SHA_Final ySHA_Final(NUM) + +static void sha_init(CONTEXT *context) +{ + SHA_Init(context); +} + +static void sha_init_fast(CONTEXT *context) +{ + sha_init(context); +} + +static void sha_input(CONTEXT *context, const uchar *buf, unsigned len) +{ + SHA_Update(context, buf, len); +} + +static void sha_result(CONTEXT *context, uchar digest[HASH_SIZE]) +{ + SHA_Final(digest, context); +} + +#endif /* HAVE_WOLFSSL */ + +#define xmy_sha_multi(x) my_sha ## x ## _multi +#define xmy_sha_context_size(x) my_sha ## x ## _context_size +#define xmy_sha_init(x) my_sha ## x ## _init +#define xmy_sha_input(x) my_sha ## x ## _input +#define xmy_sha_result(x) my_sha ## x ## _result +#define xmy_sha(x) my_sha ## x +#define ymy_sha_multi(y) xmy_sha_multi(y) +#define ymy_sha_context_size(y) xmy_sha_context_size(y) +#define ymy_sha_init(y) xmy_sha_init(y) +#define ymy_sha_input(y) xmy_sha_input(y) +#define ymy_sha_result(y) xmy_sha_result(y) +#define ymy_sha(y) xmy_sha(y) +#define my_sha_multi ymy_sha_multi(NUM) +#define my_sha_context_size ymy_sha_context_size(NUM) +#define my_sha_init ymy_sha_init(NUM) +#define my_sha_input ymy_sha_input(NUM) +#define my_sha_result ymy_sha_result(NUM) +#define my_sha ymy_sha(NUM) + +/** + Wrapper function to compute SHAn message digest. + + @param digest [out] Computed SHAn digest + @param buf [in] Message to be computed + @param len [in] Length of the message + + @return void +*/ +void my_sha(uchar *digest, const char *buf, size_t len) +{ + CONTEXT context; + + sha_init_fast(&context); + sha_input(&context, (const uchar *)buf, (unsigned int)len); + sha_result(&context, digest); +} + + +/** + Wrapper function to compute SHAn message digest for + two messages in order to emulate shaN(msg1, msg2). + + @param digest [out] Computed SHAn digest + @param buf1 [in] First message + @param len1 [in] Length of first message + @param buf2 [in] Second message + @param len2 [in] Length of second message + + @return void +*/ +void my_sha_multi(uchar *digest, ...) +{ + va_list args; + va_start(args, digest); + + CONTEXT context; + const uchar *str; + + sha_init_fast(&context); + for (str= va_arg(args, const uchar*); str; str= va_arg(args, const uchar*)) + sha_input(&context, str, (uint) va_arg(args, size_t)); + + sha_result(&context, digest); + va_end(args); +} + +size_t my_sha_context_size() +{ + return sizeof(CONTEXT); +} + +void my_sha_init(void *context) +{ + sha_init((CONTEXT *)context); +} + +void my_sha_input(void *context, const uchar *buf, size_t len) +{ + sha_input((CONTEXT *)context, buf, (uint) len); +} + +void my_sha_result(void *context, uchar *digest) +{ + sha_result((CONTEXT *)context, digest); +} |