X-Git-Url: https://tinc-vpn.org/git/browse?a=blobdiff_plain;f=src%2Fopenssl%2Fprf.c;h=a402b8ff8498b7e405fcca2858a06aedfa2034ca;hb=7eeb29220a73ab9c5367f652873042f8a81c6cef;hp=5d597d9ad793ea51070d719da2247eafc41860eb;hpb=bcac314fe2d758e85335d499dbb4300bfa8a599e;p=tinc

diff --git a/src/openssl/prf.c b/src/openssl/prf.c
index 5d597d9a..a402b8ff 100644
--- a/src/openssl/prf.c
+++ b/src/openssl/prf.c
@@ -29,7 +29,7 @@
    We use SHA512 instead of MD5 and SHA1.
  */
 
-static bool prf_xor(int nid, const uint8_t *secret, size_t secretlen, uint8_t *seed, size_t seedlen, uint8_t *out, size_t outlen) {
+static bool prf_xor(nid_t nid, const uint8_t *secret, size_t secretlen, uint8_t *seed, size_t seedlen, uint8_t *out, size_t outlen) {
 	digest_t digest = {0};
 
 	if(!digest_open_by_nid(&digest, nid, DIGEST_ALGO_SIZE)) {
@@ -48,11 +48,11 @@ static bool prf_xor(int nid, const uint8_t *secret, size_t secretlen, uint8_t *s
 	   It consists of the previous HMAC result plus the seed.
 	 */
 
-	char data[len + seedlen];
+	char *data = alloca(len + seedlen);
 	memset(data, 0, len);
 	memcpy(data + len, seed, seedlen);
 
-	uint8_t hash[len];
+	uint8_t *hash = alloca(len);
 
 	while(outlen > 0) {
 		/* Inner HMAC */