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Merge branch 'jk/sha1dc'

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Build update for SHA-1 with collision detection.

* jk/sha1dc:
  Makefile: fix unaligned loads in sha1dc with UBSan
This commit is contained in:
Junio C Hamano 2019-04-10 02:14:26 +09:00
parent 2d3372883f 07a20f569b
commit c063a537be
3 changed files with 5 additions and 3 deletions
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1
Makefile
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@ -1198,6 +1198,7 @@ BASIC_CFLAGS += -fsanitize=$(SANITIZE) -fno-sanitize-recover=$(SANITIZE)
BASIC_CFLAGS += -fno-omit-frame-pointer
ifneq ($(filter undefined,$(SANITIZERS)),)
BASIC_CFLAGS += -DNO_UNALIGNED_LOADS
BASIC_CFLAGS += -DSHA1DC_FORCE_ALIGNED_ACCESS
endif
ifneq ($(filter leak,$(SANITIZERS)),)
BASIC_CFLAGS += -DSUPPRESS_ANNOTATED_LEAKS

2
sha1collisiondetection

@ -1 +1 @@
Subproject commit 232357eb2ea0397388254a4b188333a227bf5b10
Subproject commit 16033998da4b273aebd92c84b1e1b12e4aaf7009

5
sha1dc/sha1.c
View file

@ -124,10 +124,11 @@
#endif
/*ENDIANNESS SELECTION*/
#ifndef SHA1DC_FORCE_ALIGNED_ACCESS
#if defined(SHA1DC_FORCE_UNALIGNED_ACCESS) || defined(SHA1DC_ON_INTEL_LIKE_PROCESSOR)
#define SHA1DC_ALLOW_UNALIGNED_ACCESS
#endif /*UNALIGNMENT DETECTION*/
#endif /*UNALIGNED ACCESS DETECTION*/
#endif /*FORCE ALIGNED ACCESS*/
#define rotate_right(x,n) (((x)>>(n))|((x)<<(32-(n))))
#define rotate_left(x,n) (((x)<<(n))|((x)>>(32-(n))))