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-rw-r--r--g10/sign.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/g10/sign.c b/g10/sign.c
index f5d2dae11..5da8073b3 100644
--- a/g10/sign.c
+++ b/g10/sign.c
@@ -1002,7 +1002,10 @@ make_keysig_packet( PKT_signature **ret_sig, PKT_public_key *pk,
break;
case PUBKEY_ALGO_RSA_S:
case PUBKEY_ALGO_RSA:
- digest_algo = sk->version < 4? DIGEST_ALGO_MD5 : DIGEST_ALGO_SHA1;
+ if (opt.force_v4_sigs || sk->version > 3)
+ digest_algo = DIGEST_ALGO_SHA1;
+ else
+ digest_algo = DIGEST_ALGO_MD5;
break;
default:
digest_algo = DIGEST_ALGO_RMD160;