Add support for building tinc with MSVC

[tinc] / src / openssl / prf.c

diff --git a/src/openssl/prf.c b/src/openssl/prf.c
index 5d597d9..ddad522 100644 (file)
--- a/src/openssl/prf.c
+++ b/src/openssl/prf.c
@@ -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 */