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help: include unsafe SHA-1 build info in version

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In 06c92dafb8 (Makefile: allow specifying a SHA-1 for non-cryptographic
uses, 2024-09-26), support for unsafe SHA-1 is added. Add the unsafe
SHA-1 build info to `git version --build-info` and update corresponding
documentation.

Signed-off-by: Justin Tobler <jltobler@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Justin Tobler
2025-04-03 09:05:29 -05:00
committed by Junio C Hamano
parent 16fd6c85e4
commit 6cf65440d3
3 changed files with 10 additions and 1 deletions
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3
hash.h
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@@ -20,12 +20,14 @@
#endif
#if defined(SHA1_APPLE_UNSAFE)
# define SHA1_UNSAFE_BACKEND "SHA1_APPLE_UNSAFE"
# include <CommonCrypto/CommonDigest.h>
# define platform_SHA_CTX_unsafe CC_SHA1_CTX
# define platform_SHA1_Init_unsafe CC_SHA1_Init
# define platform_SHA1_Update_unsafe CC_SHA1_Update
# define platform_SHA1_Final_unsafe CC_SHA1_Final
#elif defined(SHA1_OPENSSL_UNSAFE)
# define SHA1_UNSAFE_BACKEND "SHA1_OPENSSL_UNSAFE"
# include <openssl/sha.h>
# if defined(OPENSSL_API_LEVEL) && OPENSSL_API_LEVEL >= 3
# define SHA1_NEEDS_CLONE_HELPER_UNSAFE
@@ -42,6 +44,7 @@
# define platform_SHA1_Final_unsafe SHA1_Final
# endif
#elif defined(SHA1_BLK_UNSAFE)
# define SHA1_UNSAFE_BACKEND "SHA1_BLK_UNSAFE"
# include "block-sha1/sha1.h"
# define platform_SHA_CTX_unsafe blk_SHA_CTX
# define platform_SHA1_Init_unsafe blk_SHA1_Init