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* libbb: code shrinkRon Yorston2026-01-281-1/+1
| | | | | | | Fix some compiler warnings and move the CNG algorithm caches into get_alg_handle(). Saves 32 bytes in the x86_64 build with CNG enabled.
* libbb: refactor CNG hashing implementationrfl8902026-01-271-12/+43
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | The existing CNG implementation relied on multiple features only implemented in "newer" Windows versions. This new implementation does not use the aforementioned features and is therefore compatible with systems running Windows Vista or higher. function old new delta .rdata 87112 87288 +176 hmac_peek_hash 80 208 +128 get_alg_handle - 96 +96 algorithm_provider_hmac_cache - 48 +48 algorithm_provider_cache - 48 +48 alg_id_mappings - 48 +48 sha512_begin 16 48 +32 sha384_begin 16 48 +32 sha256_begin 16 48 +32 sha1_begin 16 48 +32 md5_begin 16 32 +16 hmac_hash_v 48 64 +16 hmac_end 48 64 +16 hmac_blocks.constprop.0 96 112 +16 __imp_BCryptOpenAlgorithmProvider - 8 +8 __imp_BCryptDuplicateHash - 8 +8 BCryptOpenAlgorithmProvider - 8 +8 BCryptDuplicateHash - 8 +8 ------------------------------------------------------------------------------ (add/remove: 8/0 grow/shrink: 10/0 up/down: 768/0) Total: 768 bytes
* Post-merge fixesRon Yorston2025-08-121-1/+48
| | | | | | | | | | | | | | | | | Upstream has moved some functions from networking/tls.c to a new file, libbb/hash_hmac.c. The merge didn't adjust this code to allow it to work with the native Windows checksum API. This only matters if FEATURE_USE_CNG_API is enabled and CONFIG_FEATURE_TLS_SCHANNEL isn't. In that case the wget applet fails to handle https. None of the default configurations has this combination, but it should work. Make it so. The Windows code doesn't implement hmac_block(), as that's only used for password encryption which isn't currently supported. The variadic function hmac_peek_hash() isn't declared FAST_FUNC, as that causes clang to issue many warnings.
* libbb/yescrypt: remove redundant SHA256 HMAC implementationDenys Vlasenko2025-07-071-1/+9
| | | | | | | | | | | | | | | | function old new delta hmac_blocks - 88 +88 static.PBKDF2_SHA256 176 213 +37 yescrypt_kdf32_body 1046 1052 +6 static.smix 759 762 +3 hmac_block 88 64 -24 HMAC_SHA256_Final 53 - -53 HMAC_SHA256_Buf 58 - -58 HMAC_SHA256_Init 159 - -159 ------------------------------------------------------------------------------ (add/remove: 1/3 grow/shrink: 3/1 up/down: 134/-294) Total: -160 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* libbb: factor out HMAC code from TLSDenys Vlasenko2025-07-071-0/+99
function old new delta hmac_block - 88 +88 hmac_peek_hash - 61 +61 hmac_end - 50 +50 hmac_begin 140 177 +37 hmac_hash_v - 30 +30 .rodata 105799 105787 -12 hmac_sha_precomputed 54 - -54 hmac_sha_precomputed_v 69 - -69 hmac 83 - -83 ------------------------------------------------------------------------------ (add/remove: 5/3 grow/shrink: 1/1 up/down: 266/-218) Total: 48 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>