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authorTodd C. Miller <millert@cvs.openbsd.org>1997-07-17 05:57:38 +0000
committerTodd C. Miller <millert@cvs.openbsd.org>1997-07-17 05:57:38 +0000
commit020283322228f7ddc2a8c0d352497f0aeb153df1 (patch)
treef18ccadb3c3f6faab9ea38bfc032b7a9c6fe27df /lib
parent170eac0181dd73ec73e794b5071fe7656537d255 (diff)
Allow passing of a NULL digest to RMD160Final(3).
Diffstat (limited to 'lib')
-rw-r--r--lib/libc/hash/rmd160.c14
1 files changed, 8 insertions, 6 deletions
diff --git a/lib/libc/hash/rmd160.c b/lib/libc/hash/rmd160.c
index 92874ab8b6e..95b65ed68f6 100644
--- a/lib/libc/hash/rmd160.c
+++ b/lib/libc/hash/rmd160.c
@@ -371,12 +371,14 @@ void RMD160Final(digest, context)
(context->length[1] << 3);
RMD160Transform(context->state, context->buffer);
- for (i = 0; i < 20; i += 4) {
- /* extracts the 8 least significant bits. */
- digest[i] = context->state[i>>2];
- digest[i + 1] = (context->state[i>>2] >> 8);
- digest[i + 2] = (context->state[i>>2] >> 16);
- digest[i + 3] = (context->state[i>>2] >> 24);
+ if (digest != NULL) {
+ for (i = 0; i < 20; i += 4) {
+ /* extracts the 8 least significant bits. */
+ digest[i] = context->state[i>>2];
+ digest[i + 1] = (context->state[i>>2] >> 8);
+ digest[i + 2] = (context->state[i>>2] >> 16);
+ digest[i + 3] = (context->state[i>>2] >> 24);
+ }
}
}