diff options
Diffstat (limited to 'libs/libssh2/src/libgcrypt.c')
| -rw-r--r-- | libs/libssh2/src/libgcrypt.c | 107 |
1 files changed, 105 insertions, 2 deletions
diff --git a/libs/libssh2/src/libgcrypt.c b/libs/libssh2/src/libgcrypt.c index e463d9e347..b92ec7c97d 100644 --- a/libs/libssh2/src/libgcrypt.c +++ b/libs/libssh2/src/libgcrypt.c @@ -40,6 +40,105 @@ #ifdef LIBSSH2_CRYPTO_C /* Compile this via crypto.c */ +int _libssh2_hmac_ctx_init(libssh2_hmac_ctx *ctx) +{ + *ctx = NULL; + return 1; +} + +#if LIBSSH2_MD5 +int _libssh2_hmac_md5_init(libssh2_hmac_ctx *ctx, + void *key, size_t keylen) +{ + gcry_error_t err; + err = gcry_md_open(ctx, GCRY_MD_MD5, GCRY_MD_FLAG_HMAC); + if(gcry_err_code(err) != GPG_ERR_NO_ERROR) + return 0; + err = gcry_md_setkey(*ctx, key, keylen); + if(gcry_err_code(err) != GPG_ERR_NO_ERROR) + return 0; + return 1; +} +#endif + +#if LIBSSH2_HMAC_RIPEMD +int _libssh2_hmac_ripemd160_init(libssh2_hmac_ctx *ctx, + void *key, size_t keylen) +{ + gcry_error_t err; + err = gcry_md_open(ctx, GCRY_MD_RMD160, GCRY_MD_FLAG_HMAC); + if(gcry_err_code(err) != GPG_ERR_NO_ERROR) + return 0; + err = gcry_md_setkey(*ctx, key, keylen); + if(gcry_err_code(err) != GPG_ERR_NO_ERROR) + return 0; + return 1; +} +#endif + +int _libssh2_hmac_sha1_init(libssh2_hmac_ctx *ctx, + void *key, size_t keylen) +{ + gcry_error_t err; + err = gcry_md_open(ctx, GCRY_MD_SHA1, GCRY_MD_FLAG_HMAC); + if(gcry_err_code(err) != GPG_ERR_NO_ERROR) + return 0; + err = gcry_md_setkey(*ctx, key, keylen); + if(gcry_err_code(err) != GPG_ERR_NO_ERROR) + return 0; + return 1; +} + +int _libssh2_hmac_sha256_init(libssh2_hmac_ctx *ctx, + void *key, size_t keylen) +{ + gcry_error_t err; + err = gcry_md_open(ctx, GCRY_MD_SHA256, GCRY_MD_FLAG_HMAC); + if(gcry_err_code(err) != GPG_ERR_NO_ERROR) + return 0; + err = gcry_md_setkey(*ctx, key, keylen); + if(gcry_err_code(err) != GPG_ERR_NO_ERROR) + return 0; + return 1; +} + +int _libssh2_hmac_sha512_init(libssh2_hmac_ctx *ctx, + void *key, size_t keylen) +{ + gcry_error_t err; + err = gcry_md_open(ctx, GCRY_MD_SHA512, GCRY_MD_FLAG_HMAC); + if(gcry_err_code(err) != GPG_ERR_NO_ERROR) + return 0; + err = gcry_md_setkey(*ctx, key, keylen); + if(gcry_err_code(err) != GPG_ERR_NO_ERROR) + return 0; + return 1; +} + +int _libssh2_hmac_update(libssh2_hmac_ctx *ctx, + const void *data, size_t datalen) +{ + gcry_md_write(*ctx, data, datalen); + return 1; +} + +int _libssh2_hmac_final(libssh2_hmac_ctx *ctx, void *data) +{ + unsigned char *res = gcry_md_read(*ctx, 0); + + if(!res) + return 0; + + memcpy(data, res, gcry_md_get_algo_dlen(gcry_md_get_algo(*ctx))); + + return 1; +} + +void _libssh2_hmac_cleanup(libssh2_hmac_ctx *ctx) +{ + gcry_md_close(*ctx); +} + #if LIBSSH2_RSA int _libssh2_rsa_new(libssh2_rsa_ctx ** rsa, @@ -95,7 +194,9 @@ _libssh2_rsa_sha1_verify(libssh2_rsa_ctx * rsa, gcry_sexp_t s_sig, s_hash; int rc = -1; - libssh2_sha1(m, m_len, hash); + if(libssh2_sha1(m, m_len, hash)) { + return -1; + } rc = gcry_sexp_build(&s_hash, NULL, "(data (flags pkcs1) (hash sha1 %b))", @@ -544,7 +645,9 @@ _libssh2_dsa_sha1_verify(libssh2_dsa_ctx * dsactx, gcry_sexp_t s_sig, s_hash; int rc = -1; - libssh2_sha1(m, m_len, hash + 1); + if(libssh2_sha1(m, m_len, hash + 1)) { + return -1; + } hash[0] = 0; if(gcry_sexp_build(&s_hash, NULL, "(data(flags raw)(value %b))", |