diff options
Diffstat (limited to 'Makefile')
| -rw-r--r-- | Makefile | 10 |
1 files changed, 10 insertions, 0 deletions
@@ -142,6 +142,10 @@ all:: # Define PPC_SHA1 environment variable when running make to make use of # a bundled SHA1 routine optimized for PowerPC. # +# Define DC_SHA1 to unconditionally enable the collision-detecting sha1 +# algorithm. This is slower, but may detect attempted collision attacks. +# Takes priority over other *_SHA1 knobs. +# # Define SHA1_MAX_BLOCK_SIZE to limit the amount of data that will be hashed # in one call to the platform's SHA1_Update(). e.g. APPLE_COMMON_CRYPTO # wants 'SHA1_MAX_BLOCK_SIZE=1024L*1024L*1024L' defined. @@ -1386,6 +1390,11 @@ ifdef APPLE_COMMON_CRYPTO SHA1_MAX_BLOCK_SIZE = 1024L*1024L*1024L endif +ifdef DC_SHA1 + LIB_OBJS += sha1dc/sha1.o + LIB_OBJS += sha1dc/ubc_check.o + BASIC_CFLAGS += -DSHA1_DC +else ifdef BLK_SHA1 LIB_OBJS += block-sha1/sha1.o BASIC_CFLAGS += -DSHA1_BLK @@ -1403,6 +1412,7 @@ else endif endif endif +endif ifdef SHA1_MAX_BLOCK_SIZE LIB_OBJS += compat/sha1-chunked.o |