Blame SOURCES/0001-Give-warning-on-not-supported-hash-for-RSA-keys.patch
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From 48546ffc0a3f3eb15bfd439a19fc9722eaea592f Mon Sep 17 00:00:00 2001
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From: Florian Festi <ffesti@redhat.com>
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Date: Tue, 28 Jun 2022 12:50:54 +0200
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Subject: [PATCH] Give warning on not supported hash for RSA keys
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This can happen when old keys are used on systems that have disabled SHA1
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e.g. for FIPS requirements.
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This is less than ideal but there is currently no way to pass a meaningful
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error code up to rpmtsImportPubkey. rpmPubkeyNew just returns a valid key
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or NULL.
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See rhbz#2069877
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---
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rpmio/digest_openssl.c | 2 ++
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1 file changed, 2 insertions(+)
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diff --git a/rpmio/digest_openssl.c b/rpmio/digest_openssl.c
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index a28a13acc..2ec5140f1 100644
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--- a/rpmio/digest_openssl.c
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+++ b/rpmio/digest_openssl.c
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@@ -4,6 +4,7 @@
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#include <openssl/rsa.h>
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#include <openssl/dsa.h>
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#include <rpm/rpmpgp.h>
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+#include <rpm/rpmlog.h>
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#include "rpmio/digest.h"
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@@ -483,6 +484,7 @@ static int pgpVerifySigRSA(pgpDigAlg pgpkey, pgpDigAlg pgpsig,
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ret = EVP_PKEY_CTX_set_signature_md(pkey_ctx, getEVPMD(hash_algo));
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if (ret < 0) {
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+ rpmlog(RPMLOG_WARNING, "Signature not supported. Hash algorithm %s not available.\n", pgpValString(PGPVAL_HASHALGO, hash_algo));
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rc = 1;
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goto done;
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}
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--
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2.36.1
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