diff options
Diffstat (limited to 'source4/heimdal/lib/hcrypto/hmac.c')
-rw-r--r-- | source4/heimdal/lib/hcrypto/hmac.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/source4/heimdal/lib/hcrypto/hmac.c b/source4/heimdal/lib/hcrypto/hmac.c index 282dc38113..dcd836d0be 100644 --- a/source4/heimdal/lib/hcrypto/hmac.c +++ b/source4/heimdal/lib/hcrypto/hmac.c @@ -121,7 +121,8 @@ HMAC_Init_ex(HMAC_CTX *ctx, for (i = 0, p = ctx->opad; i < keylen; i++) p[i] ^= ((const unsigned char *)key)[i]; - ctx->ctx = EVP_MD_CTX_create(); + if (ctx->ctx == NULL) + ctx->ctx = EVP_MD_CTX_create(); EVP_DigestInit_ex(ctx->ctx, ctx->md, ctx->engine); EVP_DigestUpdate(ctx->ctx, ctx->ipad, EVP_MD_block_size(ctx->md)); |