Stop using OpenSSL for hashes.

[meshlink] / src / protocol_auth.c

diff --git a/src/protocol_auth.c b/src/protocol_auth.c
index 1255ff0862b68ebd286d482fc51d1329ab656d46..e667baf0bc43281888dd21f8a03ebcb0136f45a9 100644 (file)
--- a/src/protocol_auth.c
+++ b/src/protocol_auth.c
@@ -37,6 +37,7 @@
 #include "sptps.h"
 #include "utils.h"
 #include "xalloc.h"
+#include "ed25519/sha512.h"
 
 ecdsa_t *invitation_key = NULL;
 
@@ -182,17 +183,14 @@ static bool receive_invitation_sptps(void *handle, uint8_t type, const char *dat
                return false;
 
        // Recover the filename from the cookie and the key
-       digest_t *digest = digest_open_by_name("sha256", 18);
-       if(!digest)
-               abort();
        char *fingerprint = ecdsa_get_base64_public_key(invitation_key);
+       char hash[64];
        char hashbuf[18 + strlen(fingerprint)];
        char cookie[25];
        memcpy(hashbuf, data, 18);
        memcpy(hashbuf + 18, fingerprint, sizeof hashbuf - 18);
-       digest_create(digest, hashbuf, sizeof hashbuf, cookie);
-       b64encode_urlsafe(cookie, cookie, 18);
-       digest_close(digest);
+       sha512(hashbuf, sizeof hashbuf, hash);
+       b64encode_urlsafe(hash, cookie, 18);
        free(fingerprint);
 
        char filename[PATH_MAX], usedname[PATH_MAX];