lib/libssh
1
0
Fork 0
mirror of https://git.libssh.org/projects/libssh.git synced 2025-11-30 13:01:23 +03:00
Code Activity

Add SHA2 algorithms for HMAC

Browse Source 
BUG: https://red.libssh.org/issues/91

Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
This commit is contained in:
Dirkjan Bussink
2014-04-20 09:53:47 +00:00
committed by Andreas Schneider
parent d6e6a453fc
commit 4a08902664
5 changed files with 178 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

69
src/libcrypto.c
View File

@@ -65,6 +65,8 @@ struct ssh_mac_ctx_struct {
union {
SHACTX sha1_ctx;
SHA256CTX sha256_ctx;
SHA384CTX sha384_ctx;
SHA512CTX sha512_ctx;
} ctx;
};
@@ -181,6 +183,52 @@ void sha256(unsigned char *digest, int len, unsigned char *hash) {
SHA256(digest, len, hash);
}
SHA384CTX sha384_init(void){
SHA384CTX c = malloc(sizeof(*c));
if (c == NULL) {
return NULL;
}
SHA384_Init(c);
return c;
}
void sha384_update(SHA384CTX c, const void *data, unsigned long len){
SHA384_Update(c,data,len);
}
void sha384_final(unsigned char *md, SHA384CTX c) {
SHA384_Final(md, c);
SAFE_FREE(c);
}
void sha384(unsigned char *digest, int len, unsigned char *hash) {
SHA384(digest, len, hash);
}
SHA512CTX sha512_init(void){
SHA512CTX c = malloc(sizeof(*c));
if (c == NULL) {
return NULL;
}
SHA512_Init(c);
return c;
}
void sha512_update(SHA512CTX c, const void *data, unsigned long len){
SHA512_Update(c,data,len);
}
void sha512_final(unsigned char *md, SHA512CTX c) {
SHA512_Final(md, c);
SAFE_FREE(c);
}
void sha512(unsigned char *digest, int len, unsigned char *hash) {
SHA512(digest, len, hash);
}
MD5CTX md5_init(void) {
MD5CTX c = malloc(sizeof(*c));
if (c == NULL) {
@@ -212,7 +260,11 @@ ssh_mac_ctx ssh_mac_ctx_init(enum ssh_mac_e type){
ctx->ctx.sha256_ctx = sha256_init();
return ctx;
case SSH_MAC_SHA384:
ctx->ctx.sha384_ctx = sha384_init();
return ctx;
case SSH_MAC_SHA512:
ctx->ctx.sha512_ctx = sha512_init();
return ctx;
default:
SAFE_FREE(ctx);
return NULL;
@@ -228,7 +280,11 @@ void ssh_mac_update(ssh_mac_ctx ctx, const void *data, unsigned long len) {
sha256_update(ctx->ctx.sha256_ctx, data, len);
break;
case SSH_MAC_SHA384:
sha384_update(ctx->ctx.sha384_ctx, data, len);
break;
case SSH_MAC_SHA512:
sha512_update(ctx->ctx.sha512_ctx, data, len);
break;
default:
break;
}
@@ -243,7 +299,11 @@ void ssh_mac_final(unsigned char *md, ssh_mac_ctx ctx) {
sha256_final(md,ctx->ctx.sha256_ctx);
break;
case SSH_MAC_SHA384:
sha384_final(md,ctx->ctx.sha384_ctx);
break;
case SSH_MAC_SHA512:
sha512_final(md,ctx->ctx.sha512_ctx);
break;
default:
break;
}
@@ -266,6 +326,15 @@ HMACCTX hmac_init(const void *key, int len, enum ssh_hmac_e type) {
case SSH_HMAC_SHA1:
HMAC_Init(ctx, key, len, EVP_sha1());
break;
case SSH_HMAC_SHA256:
HMAC_Init(ctx, key, len, EVP_sha256());
break;
case SSH_HMAC_SHA384:
HMAC_Init(ctx, key, len, EVP_sha384());
break;
case SSH_HMAC_SHA512:
HMAC_Init(ctx, key, len, EVP_sha512());
break;
case SSH_HMAC_MD5:
HMAC_Init(ctx, key, len, EVP_md5());
break;