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authorMichael Niedermayer <michaelni@gmx.at>2007-03-13 10:40:59 +0000
committerMichael Niedermayer <michaelni@gmx.at>2007-03-13 10:40:59 +0000
commit476f9b74ec21eaae467d20732aab75b8cdc4c75b (patch)
treeb2396d72dfff158f4f170631fdf3e104f5988bca /libavutil/sha1.c
parentf6a3477bb505ef048ecb191dce4badc140fc0bc5 (diff)
simplify
Originally committed as revision 8376 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavutil/sha1.c')
-rw-r--r--libavutil/sha1.c14
1 files changed, 5 insertions, 9 deletions
diff --git a/libavutil/sha1.c b/libavutil/sha1.c
index 8998a23c58..27fe805262 100644
--- a/libavutil/sha1.c
+++ b/libavutil/sha1.c
@@ -32,15 +32,7 @@ static void transform(uint32_t state[5], uint8_t buffer[64]){
unsigned int i;
unsigned int a, b, c, d, e;
-#if defined (VARIANT2)
- for(i=0; i<16; i++)
- block[i]= be2me_32(((uint32_t*)buffer)[i]);
- for(;i<80; i++)
- block[i]= rol(block[i-3]^block[i-8]^block[i-14]^block[i-16],1);
-#else
memcpy(block, buffer, 64);
-#endif
-
a = state[0];
b = state[1];
@@ -49,7 +41,11 @@ static void transform(uint32_t state[5], uint8_t buffer[64]){
e = state[4];
#ifdef VARIANT2
for(i=0; i<80; i++){
- int t= e+block[i]+rol(a,5);
+ int t;
+ if(i<16) t= be2me_32(((uint32_t*)buffer)[i]);
+ else t= rol(block[i-3]^block[i-8]^block[i-14]^block[i-16],1);
+ block[i]= t;
+ t+= e+rol(a,5);
if(i<40){
if(i<20) t+= ((b&(c^d))^d) +0x5A827999;
else t+= ( b^c ^d) +0x6ED9EBA1;