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no-senders; approved; loop; banned-address; header-match-ffmpeg-devel.ffmpeg.org-0; header-match-ffmpeg-devel.ffmpeg.org-1; header-match-ffmpeg-devel.ffmpeg.org-2; header-match-ffmpeg-devel.ffmpeg.org-3; emergency; member-moderation X-Mailman-Version: 3.3.10 Precedence: list Reply-To: FFmpeg development discussions and patches Subject: [FFmpeg-devel] [PR] avformat/tls_openssl: use SHA-256 instead of SHA-1 for self-signed cert (PR #22245) List-Id: FFmpeg development discussions and patches Archived-At: Archived-At: List-Archive: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: From: Nariman-Sayed via ffmpeg-devel Cc: Nariman-Sayed Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Archived-At: List-Archive: List-Post: PR #22245 opened by Nariman-Sayed URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/22245 Patch URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/22245.patch SHA-1 is deprecated and considered cryptographically weak. Replace EVP_sha1() with EVP_sha256() when signing self-generated certificates to comply with modern security standards. >>From 301f029e8add7e7ada60fa6d1c586f9afaa5b7db Mon Sep 17 00:00:00 2001 From: Nariman-Sayed Date: Sat, 21 Feb 2026 23:37:36 +0200 Subject: [PATCH] avformat/tls_openssl: use SHA-256 instead of SHA-1 for self-signed cert SHA-1 is deprecated and considered cryptographically weak. Replace EVP_sha1() with EVP_sha256() when signing self-generated certificates to comply with modern security standards. --- libavformat/tls_openssl.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavformat/tls_openssl.c b/libavformat/tls_openssl.c index 0ae0980cc3..db5fdde885 100644 --- a/libavformat/tls_openssl.c +++ b/libavformat/tls_openssl.c @@ -312,7 +312,7 @@ static int openssl_gen_certificate(EVP_PKEY *pkey, X509 **cert, char **fingerpri goto einval_end; } - if (!X509_sign(*cert, pkey, EVP_sha1())) { + if (!X509_sign(*cert, pkey, EVP_sha256())) { av_log(NULL, AV_LOG_ERROR, "TLS: Failed to sign certificate, %s\n", ERR_error_string(ERR_get_error(), NULL)); goto einval_end; } -- 2.52.0 _______________________________________________ ffmpeg-devel mailing list -- ffmpeg-devel@ffmpeg.org To unsubscribe send an email to ffmpeg-devel-leave@ffmpeg.org