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blowfish: Make the count parameter match the documentation

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Previously it was interpreted as number of bytes, while the
documentation stated that it was the number of 8 byte blocks.
This makes it behave similarly to the existing AES code.

Signed-off-by: Martin Storsjö <martin@martin.st>
This commit is contained in:
Samuel Pitoiset 2012-07-05 11:33:54 +02:00 committed by Martin Storsjö
parent 18f2d5cb9c
commit e4a7fb3da3
1 changed files with 2 additions and 4 deletions
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6
libavutil/blowfish.c
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@ -382,7 +382,7 @@ void av_blowfish_crypt(AVBlowfish *ctx, uint8_t *dst, const uint8_t *src,
int i;
if (decrypt) {
while (count > 0) {
while (count--) {
v0 = AV_RB32(src);
v1 = AV_RB32(src + 4);
@ -399,10 +399,9 @@ void av_blowfish_crypt(AVBlowfish *ctx, uint8_t *dst, const uint8_t *src,
src += 8;
dst += 8;
count -= 8;
}
} else {
while (count > 0) {
while (count--) {
if (iv) {
for (i = 0; i < 8; i++)
dst[i] = src[i] ^ iv[i];
@ -423,7 +422,6 @@ void av_blowfish_crypt(AVBlowfish *ctx, uint8_t *dst, const uint8_t *src,
src += 8;
dst += 8;
count -= 8;
}
}
}