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34 lines
1.2 KiB
34 lines
1.2 KiB
5 months ago
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From 34a709e89e0c43928d9353aca1fb0c82aaa7e6ab Mon Sep 17 00:00:00 2001
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From: rpm-build <rpm-build>
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Date: Wed, 12 Jun 2024 20:14:04 +0900
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Subject: [PATCH] kdf: Preserve backward compatibility with older providers
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Suggested in:
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https://github.com/openssl/openssl/issues/24611#issuecomment-2162560293
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---
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crypto/evp/pmeth_lib.c | 7 ++++++-
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1 file changed, 6 insertions(+), 1 deletion(-)
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diff --git a/crypto/evp/pmeth_lib.c b/crypto/evp/pmeth_lib.c
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index 015f756..e776ea5 100644
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--- a/crypto/evp/pmeth_lib.c
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+++ b/crypto/evp/pmeth_lib.c
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@@ -1068,8 +1068,13 @@ static int evp_pkey_ctx_add1_octet_string(EVP_PKEY_CTX *ctx, int fallback,
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os_params[0] = OSSL_PARAM_construct_octet_string(param, NULL, 0);
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os_params[1] = OSSL_PARAM_construct_end();
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- if (!EVP_PKEY_CTX_get_params(ctx, os_params))
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+ if (!EVP_PKEY_CTX_get_params(ctx, os_params)) {
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+ if (EVP_PKEY_CTX_gettable_params(ctx) == NULL) {
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+ /* Older provider that doesn't support gettable parameters */
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+ return evp_pkey_ctx_set1_octet_string(ctx, fallback, param, op, ctrl, data, datalen);
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+ }
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return 0;
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+ }
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/* Older provider that doesn't support getting this parameter */
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if (os_params[0].return_size == OSSL_PARAM_UNMODIFIED)
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--
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2.45.1
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