unbreak FIDO sk-ed25519 key enrollment for OPENSSL=no builds;

ok dtucker@

diff --git a/usr.bin/ssh/sk-usbhid.c b/usr.bin/ssh/sk-usbhid.c
index 3e6ab45..440d4bc 100644 (file)
--- a/usr.bin/ssh/sk-usbhid.c
+++ b/usr.bin/ssh/sk-usbhid.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: sk-usbhid.c,v 1.30 2021/05/31 06:48:42 djm Exp $ */
+/* $OpenBSD: sk-usbhid.c,v 1.31 2021/10/01 04:50:36 djm Exp $ */
 /*
  * Copyright (c) 2019 Markus Friedl
  * Copyright (c) 2020 Pedro Martelletto
@@ -277,6 +277,8 @@ sha256_mem(const void *m, size_t mlen, u_char *d, size_t dlen)
 {
 #ifdef WITH_OPENSSL
        u_int mdlen;
+#else
+       SHA2_CTX ctx;
 #endif
 
        if (dlen != 32)
@@ -286,7 +288,9 @@ sha256_mem(const void *m, size_t mlen, u_char *d, size_t dlen)
        if (!EVP_Digest(m, mlen, d, &mdlen, EVP_sha256(), NULL))
                return -1;
 #else
-       SHA256Data(m, mlen, d);
+       SHA256Init(&ctx);
+       SHA256Update(&ctx, (const uint8_t *)m, mlen);
+       SHA256Final(d, &ctx);
 #endif
        return 0;
 }