Switch the default PBMAC to hmacWithSHA256

Using hmacWithSHA1 isn't outrageously bad, but newly generated encrypted
password files ought to be using something better. Make it so.

https://github.com/pyca/cryptography/issues/12949
https://github.com/libressl/portable/issues/1168

ok joshua

1 files changed, 2 insertions, 2 deletions

diff --git a/src/lib/libcrypto/asn1/p5_pbev2.c b/src/lib/libcrypto/asn1/p5_pbev2.c
index 21b8b6364f..4c096ac5b9 100644
--- a/src/lib/libcrypto/asn1/p5_pbev2.c
+++ b/src/lib/libcrypto/asn1/p5_pbev2.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: p5_pbev2.c,v 1.36 2025/05/10 05:54:38 tb Exp $ */
+/* $OpenBSD: p5_pbev2.c,v 1.37 2025/05/24 02:54:09 tb Exp $ */
 /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
  * project 1999-2004.
  */
@@ -187,7 +187,7 @@ PKCS5_pbe2_set(const EVP_CIPHER *cipher, int iter, unsigned char *salt,
     int saltlen)
 {
         X509_ALGOR *scheme = NULL, *kalg = NULL, *ret = NULL;
-        int prf_nid = NID_hmacWithSHA1;
+        int prf_nid = NID_hmacWithSHA256;
         int alg_nid, keylen;
         EVP_CIPHER_CTX ctx;
         unsigned char iv[EVP_MAX_IV_LENGTH];