explain where the T table comes from

Originally committed as revision 8406 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago · f1505ce3bc
parent 33a0dd378a
commit f1505ce3bc
1 changed files with 1 additions and 1 deletions
--- a/libavutil/md5.c
+++ b/libavutil/md5.c
@ -49,7 +49,7 @@ static const uint8_t S[4][4] = {
    { 6, 10, 15, 21 }   /* Round 4 */
 };

-static const uint32_t T[64] = {
+static const uint32_t T[64] = { // T[i]= fabs(sin(i+1)<<32)
    0xd76aa478, 0xe8c7b756, 0x242070db, 0xc1bdceee,   /* Round 1 */
    0xf57c0faf, 0x4787c62a, 0xa8304613, 0xfd469501,
    0x698098d8, 0x8b44f7af, 0xffff5bb1, 0x895cd7be,