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kex: Added diffie-hellman-group-exchange-sha256 support

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... and fixed HMAC_Init depricated usage

Closes #48
This commit is contained in:
Will Cosgrove
2015-09-23 12:12:00 -07:00
committed by Daniel Stenberg
parent 92fff06e27
commit fc4a969a05
5 changed files with 856 additions and 45 deletions
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26
src/openssl.c
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@@ -434,7 +434,7 @@ read_private_key_from_file(void ** key_ctx,
return (*key_ctx) ? 0 : -1;
}
int
int
_libssh2_rsa_new_private_frommemory(libssh2_rsa_ctx ** rsa,
LIBSSH2_SESSION * session,
const char *filedata, size_t filedata_len,
@@ -575,7 +575,7 @@ _libssh2_sha1_init(libssh2_sha1_ctx *ctx)
int
_libssh2_sha1(const unsigned char *message, unsigned long len,
unsigned char *out)
unsigned char *out)
{
EVP_MD_CTX ctx;
@@ -588,6 +588,28 @@ _libssh2_sha1(const unsigned char *message, unsigned long len,
return 1; /* error */
}
int
_libssh2_sha256_init(libssh2_sha256_ctx *ctx)
{
EVP_MD_CTX_init(ctx);
return EVP_DigestInit(ctx, EVP_get_digestbyname("sha256"));
}
int
_libssh2_sha256(const unsigned char *message, unsigned long len,
unsigned char *out)
{
EVP_MD_CTX ctx;
EVP_MD_CTX_init(&ctx);
if(EVP_DigestInit(&ctx, EVP_get_digestbyname("sha256"))) {
EVP_DigestUpdate(&ctx, message, len);
EVP_DigestFinal(&ctx, out, NULL);
return 0; /* success */
}
return 1; /* error */
}
int
_libssh2_md5_init(libssh2_md5_ctx *ctx)
{