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| author | Dmitry Belyavskiy <beldmit@gmail.com> | 2016-01-04 12:28:21 +0300 |
|---|---|---|
| committer | Dmitry Belyavskiy <beldmit@gmail.com> | 2016-01-04 12:28:21 +0300 |
| commit | 6bea7d0e052ac677a6744d6f755006bb71f889a3 (patch) | |
| tree | 264211773fc1bb4c075bfb98245626d2efea7259 /gost_ec_keyx.c | |
| parent | 51a91e8230a0d9794031dd9ee539a3bb8ecf9587 (diff) | |
| download | gost-engine-6bea7d0e052ac677a6744d6f755006bb71f889a3.zip gost-engine-6bea7d0e052ac677a6744d6f755006bb71f889a3.tar.gz gost-engine-6bea7d0e052ac677a6744d6f755006bb71f889a3.tar.bz2 | |
Correct initializing the context
Diffstat (limited to 'gost_ec_keyx.c')
| -rw-r--r-- | gost_ec_keyx.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/gost_ec_keyx.c b/gost_ec_keyx.c index af773e2..457b308 100644 --- a/gost_ec_keyx.c +++ b/gost_ec_keyx.c @@ -77,20 +77,26 @@ static int VKO_compute_key(unsigned char *shared_key, size_t shared_key_size, for (i = 0; i < buf_len; i++) { hashbuf[buf_len - 1 - i] = databuf[i]; } + mdctx = EVP_MD_CTX_new(); + if (!mdctx) { + GOSTerr(GOST_F_VKO_COMPUTE_KEY, ERR_R_MALLOC_FAILURE); + goto err; + } EVP_MD_CTX_init(mdctx); EVP_DigestInit_ex(mdctx, md, NULL); EVP_DigestUpdate(mdctx, hashbuf, buf_len); EVP_DigestFinal_ex(mdctx, shared_key, NULL); - EVP_MD_CTX_free(mdctx); err: BN_free(UKM); BN_CTX_end(ctx); BN_CTX_free(ctx); + EC_POINT_free(pnt); - if (databuf) - OPENSSL_free(databuf); - if (hashbuf) - OPENSSL_free(hashbuf); + + EVP_MD_CTX_free(mdctx); + + OPENSSL_free(databuf); + OPENSSL_free(hashbuf); return 32; } |