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SM2 KAP (Key Agreement Protocol), not tested

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This commit is contained in:
Zhi Guan
2016-04-07 22:15:41 +02:00
parent ef74cbd1e5
commit 5cc6cfdf22
55 changed files with 3803 additions and 1028 deletions
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13
crypto/sm2/sm2_lib.c
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@@ -185,18 +185,25 @@ err:
}
int SM2_compute_id_digest(unsigned char *dgst, unsigned int *dgstlen,
const EVP_MD *md, const void *id, size_t idlen, EC_KEY *ec_key)
const EVP_MD *md, EC_KEY *ec_key)
{
int ret = 0;
EVP_MD_CTX *md_ctx = NULL;
unsigned char pkdata[EC_MAX_NBYTES * 6];
uint16_t idbits = idlen * 8;
uint16_t idbits;
int pkdatalen;
char *id = NULL;
if ((pkdatalen = sm2_get_public_key_data(pkdata, ec_key)) < 0) {
goto err;
}
if (!(id = SM2_get_id(ec_key))) {
goto err;
}
idbits = strlen(id) * 8;
if (!(md_ctx = EVP_MD_CTX_create())) {
goto err;
}
@@ -206,7 +213,7 @@ int SM2_compute_id_digest(unsigned char *dgst, unsigned int *dgstlen,
if (!EVP_DigestUpdate(md_ctx, &idbits, sizeof(idbits))) {
goto err;
}
if (!EVP_DigestUpdate(md_ctx, id, idlen)) {
if (!EVP_DigestUpdate(md_ctx, id, strlen(id))) {
goto err;
}
if (!EVP_DigestUpdate(md_ctx, pkdata, pkdatalen)) {