diff options
-rw-r--r-- | .gitmodules | 4 | ||||
-rw-r--r-- | Makefile | 16 | ||||
-rw-r--r-- | hash.h | 4 | ||||
m--------- | sha1collisiondetection | 0 |
4 files changed, 24 insertions, 0 deletions
diff --git a/.gitmodules b/.gitmodules new file mode 100644 index 0000000000..cbeebdab7a --- /dev/null +++ b/.gitmodules @@ -0,0 +1,4 @@ +[submodule "sha1collisiondetection"] + path = sha1collisiondetection + url = https://github.com/cr-marcstevens/sha1collisiondetection.git + branch = master @@ -162,6 +162,12 @@ all:: # algorithm. This is slower, but may detect attempted collision attacks. # Takes priority over other *_SHA1 knobs. # +# Define DC_SHA1_SUBMODULE in addition to DC_SHA1 to use the +# sha1collisiondetection shipped as a submodule instead of the +# non-submodule copy in sha1dc/. This is an experimental option used +# by the git project to migrate to using sha1collisiondetection as a +# submodule. +# # Define OPENSSL_SHA1 environment variable when running make to link # with the SHA1 routine from openssl library. # @@ -1004,6 +1010,10 @@ EXTLIBS = GIT_USER_AGENT = git/$(GIT_VERSION) +ifeq ($(wildcard sha1collisiondetection/lib/sha1.h),sha1collisiondetection/lib/sha1.h) +DC_SHA1_SUBMODULE = auto +endif + include config.mak.uname -include config.mak.autogen -include config.mak @@ -1449,8 +1459,14 @@ ifdef APPLE_COMMON_CRYPTO BASIC_CFLAGS += -DSHA1_APPLE else DC_SHA1 := YesPlease +ifdef DC_SHA1_SUBMODULE + LIB_OBJS += sha1collisiondetection/lib/sha1.o + LIB_OBJS += sha1collisiondetection/lib/ubc_check.o + BASIC_CFLAGS += -DDC_SHA1_SUBMODULE +else LIB_OBJS += sha1dc/sha1.o LIB_OBJS += sha1dc/ubc_check.o +endif BASIC_CFLAGS += \ -DSHA1_DC \ -DSHA1DC_NO_STANDARD_INCLUDES \ @@ -8,7 +8,11 @@ #elif defined(SHA1_OPENSSL) #include <openssl/sha.h> #elif defined(SHA1_DC) +#ifdef DC_SHA1_SUBMODULE +#include "sha1collisiondetection/lib/sha1.h" +#else #include "sha1dc/sha1.h" +#endif #else /* SHA1_BLK */ #include "block-sha1/sha1.h" #endif diff --git a/sha1collisiondetection b/sha1collisiondetection new file mode 160000 +Subproject 19d97bf5af05312267c2e874ee6bcf584d9e968 |