return s;
}
+static void *sha256_copy(const void *vold)
+{
+ const SHA256_State *old = (const SHA256_State *)vold;
+ SHA256_State *s;
+
+ s = snew(SHA256_State);
+ *s = *old;
+ return s;
+}
+
+static void sha256_free(void *handle)
+{
+ SHA256_State *s = handle;
+
+ smemclr(s, sizeof(*s));
+ sfree(s);
+}
+
static void sha256_bytes(void *handle, const void *p, int len)
{
SHA256_State *s = handle;
SHA256_State *s = handle;
SHA256_Final(s, output);
- smemclr(s, sizeof(*s));
- sfree(s);
+ sha256_free(s);
}
const struct ssh_hash ssh_sha256 = {
- sha256_init, sha256_bytes, sha256_final, 32, "SHA-256"
+ sha256_init, sha256_copy, sha256_bytes, sha256_final, sha256_free,
+ 32, "SHA-256"
};
/* ----------------------------------------------------------------------
* HMAC wrapper on it.
*/
-static void *sha256_make_context(void)
+static void *sha256_make_context(void *cipher_ctx)
{
return snewn(3, SHA256_State);
}
hmacsha256_start, hmacsha256_bytes,
hmacsha256_genresult, hmacsha256_verresult,
"hmac-sha2-256", "hmac-sha2-256-etm@openssh.com",
- 32,
+ 32, 32,
"HMAC-SHA-256"
};