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| author | Paul Mackerras <paulus@samba.org> | 2006-06-19 09:25:16 +1000 |
|---|---|---|
| committer | Junio C Hamano <junkio@cox.net> | 2006-06-18 20:12:20 -0700 |
| commit | b47f509ba59df5bd9a780745ca710272c6dd175b (patch) | |
| tree | adc485fcd2024dcdb0b7043f26d845b98cfed4e1 | |
| parent | 476a4dfc05f8d67406af277a00f7079b5d6d51e1 (diff) | |
| download | git-b47f509ba59df5bd9a780745ca710272c6dd175b.tar.gz | |
Fix PPC SHA1 routine for large input buffers
The PPC SHA1 routine had an overflow which meant that it gave
incorrect results for input buffers >= 512MB. This fixes it by
ensuring that the update of the total length in bits is done using
64-bit arithmetic.
Signed-off-by: Paul Mackerras <paulus@samba.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>
| -rw-r--r-- | ppc/sha1.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/ppc/sha1.c b/ppc/sha1.c index 5ba4fc5259..0820398b00 100644 --- a/ppc/sha1.c +++ b/ppc/sha1.c @@ -30,7 +30,7 @@ int SHA1_Update(SHA_CTX *c, const void *ptr, unsigned long n) unsigned long nb; const unsigned char *p = ptr; - c->len += n << 3; + c->len += (uint64_t) n << 3; while (n != 0) { if (c->cnt || n < 64) { nb = 64 - c->cnt; |