wip single-function authobj

[pam_pcsc_cr.git] / ossl_crypto.c

diff --git a/ossl_crypto.c b/ossl_crypto.c
index b1f3aec20bcccc6b84df1313f83067a20a96e901..51594d3ddddf364e7384aa4e596ea600de3269c5 100644 (file)
--- a/ossl_crypto.c
+++ b/ossl_crypto.c
@@ -47,12 +47,24 @@ static unsigned long ossl_hash(void *pt, int tlen, void *tag, int *taglen)
        return 0UL;
 }
 
        return 0UL;
 }
 

-static unsigned long ossl_hmac(void *pt, int tlen, void *key, int keylen,
+static unsigned long ossl_hmac(void *key, int keylen, void *pt, int tlen,

                        void *tag, int *taglen)
 {
                        void *tag, int *taglen)
 {

-       if (!HMAC(EVP_sha1(), key, keylen, pt, tlen,
-                               tag, (unsigned int *)taglen))
-                       return ERR_get_error();
+#if 1
+       HMAC_CTX hctx;
+
+       HMAC_CTX_init(&hctx);
+       if (!HMAC_Init_ex(&hctx, key, keylen, EVP_sha1(), NULL))
+               return ERR_get_error();
+       if (!HMAC_Update(&hctx, pt, tlen)) return ERR_get_error();
+       if (!HMAC_Final(&hctx, tag, (unsigned int *)taglen))
+               return ERR_get_error();
+       HMAC_CTX_cleanup(&hctx);
+#else
+       if (HMAC(EVP_sha1(), key, keylen, pt, tlen,
+                               tag, (unsigned int *)taglen) != tag)
+               return ERR_get_error();
+#endif

        return 0UL;
 }
 
        return 0UL;
 }