summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--crypto/cast5.c74
1 files changed, 24 insertions, 50 deletions
diff --git a/crypto/cast5.c b/crypto/cast5.c
index a1d2294b50ad..4a230ddec877 100644
--- a/crypto/cast5.c
+++ b/crypto/cast5.c
@@ -604,36 +604,23 @@ static void cast5_encrypt(struct crypto_tfm *tfm, u8 *outbuf, const u8 *inbuf)
* Rounds 3, 6, 9, 12, and 15 use f function Type 3.
*/
+ t = l; l = r; r = t ^ F1(r, Km[0], Kr[0]);
+ t = l; l = r; r = t ^ F2(r, Km[1], Kr[1]);
+ t = l; l = r; r = t ^ F3(r, Km[2], Kr[2]);
+ t = l; l = r; r = t ^ F1(r, Km[3], Kr[3]);
+ t = l; l = r; r = t ^ F2(r, Km[4], Kr[4]);
+ t = l; l = r; r = t ^ F3(r, Km[5], Kr[5]);
+ t = l; l = r; r = t ^ F1(r, Km[6], Kr[6]);
+ t = l; l = r; r = t ^ F2(r, Km[7], Kr[7]);
+ t = l; l = r; r = t ^ F3(r, Km[8], Kr[8]);
+ t = l; l = r; r = t ^ F1(r, Km[9], Kr[9]);
+ t = l; l = r; r = t ^ F2(r, Km[10], Kr[10]);
+ t = l; l = r; r = t ^ F3(r, Km[11], Kr[11]);
if (!(c->rr)) {
- t = l; l = r; r = t ^ F1(r, Km[0], Kr[0]);
- t = l; l = r; r = t ^ F2(r, Km[1], Kr[1]);
- t = l; l = r; r = t ^ F3(r, Km[2], Kr[2]);
- t = l; l = r; r = t ^ F1(r, Km[3], Kr[3]);
- t = l; l = r; r = t ^ F2(r, Km[4], Kr[4]);
- t = l; l = r; r = t ^ F3(r, Km[5], Kr[5]);
- t = l; l = r; r = t ^ F1(r, Km[6], Kr[6]);
- t = l; l = r; r = t ^ F2(r, Km[7], Kr[7]);
- t = l; l = r; r = t ^ F3(r, Km[8], Kr[8]);
- t = l; l = r; r = t ^ F1(r, Km[9], Kr[9]);
- t = l; l = r; r = t ^ F2(r, Km[10], Kr[10]);
- t = l; l = r; r = t ^ F3(r, Km[11], Kr[11]);
t = l; l = r; r = t ^ F1(r, Km[12], Kr[12]);
t = l; l = r; r = t ^ F2(r, Km[13], Kr[13]);
t = l; l = r; r = t ^ F3(r, Km[14], Kr[14]);
t = l; l = r; r = t ^ F1(r, Km[15], Kr[15]);
- } else {
- t = l; l = r; r = t ^ F1(r, Km[0], Kr[0]);
- t = l; l = r; r = t ^ F2(r, Km[1], Kr[1]);
- t = l; l = r; r = t ^ F3(r, Km[2], Kr[2]);
- t = l; l = r; r = t ^ F1(r, Km[3], Kr[3]);
- t = l; l = r; r = t ^ F2(r, Km[4], Kr[4]);
- t = l; l = r; r = t ^ F3(r, Km[5], Kr[5]);
- t = l; l = r; r = t ^ F1(r, Km[6], Kr[6]);
- t = l; l = r; r = t ^ F2(r, Km[7], Kr[7]);
- t = l; l = r; r = t ^ F3(r, Km[8], Kr[8]);
- t = l; l = r; r = t ^ F1(r, Km[9], Kr[9]);
- t = l; l = r; r = t ^ F2(r, Km[10], Kr[10]);
- t = l; l = r; r = t ^ F3(r, Km[11], Kr[11]);
}
/* c1...c64 <-- (R16,L16). (Exchange final blocks L16, R16 and
@@ -663,32 +650,19 @@ static void cast5_decrypt(struct crypto_tfm *tfm, u8 *outbuf, const u8 *inbuf)
t = l; l = r; r = t ^ F3(r, Km[14], Kr[14]);
t = l; l = r; r = t ^ F2(r, Km[13], Kr[13]);
t = l; l = r; r = t ^ F1(r, Km[12], Kr[12]);
- t = l; l = r; r = t ^ F3(r, Km[11], Kr[11]);
- t = l; l = r; r = t ^ F2(r, Km[10], Kr[10]);
- t = l; l = r; r = t ^ F1(r, Km[9], Kr[9]);
- t = l; l = r; r = t ^ F3(r, Km[8], Kr[8]);
- t = l; l = r; r = t ^ F2(r, Km[7], Kr[7]);
- t = l; l = r; r = t ^ F1(r, Km[6], Kr[6]);
- t = l; l = r; r = t ^ F3(r, Km[5], Kr[5]);
- t = l; l = r; r = t ^ F2(r, Km[4], Kr[4]);
- t = l; l = r; r = t ^ F1(r, Km[3], Kr[3]);
- t = l; l = r; r = t ^ F3(r, Km[2], Kr[2]);
- t = l; l = r; r = t ^ F2(r, Km[1], Kr[1]);
- t = l; l = r; r = t ^ F1(r, Km[0], Kr[0]);
- } else {
- t = l; l = r; r = t ^ F3(r, Km[11], Kr[11]);
- t = l; l = r; r = t ^ F2(r, Km[10], Kr[10]);
- t = l; l = r; r = t ^ F1(r, Km[9], Kr[9]);
- t = l; l = r; r = t ^ F3(r, Km[8], Kr[8]);
- t = l; l = r; r = t ^ F2(r, Km[7], Kr[7]);
- t = l; l = r; r = t ^ F1(r, Km[6], Kr[6]);
- t = l; l = r; r = t ^ F3(r, Km[5], Kr[5]);
- t = l; l = r; r = t ^ F2(r, Km[4], Kr[4]);
- t = l; l = r; r = t ^ F1(r, Km[3], Kr[3]);
- t = l; l = r; r = t ^ F3(r, Km[2], Kr[2]);
- t = l; l = r; r = t ^ F2(r, Km[1], Kr[1]);
- t = l; l = r; r = t ^ F1(r, Km[0], Kr[0]);
}
+ t = l; l = r; r = t ^ F3(r, Km[11], Kr[11]);
+ t = l; l = r; r = t ^ F2(r, Km[10], Kr[10]);
+ t = l; l = r; r = t ^ F1(r, Km[9], Kr[9]);
+ t = l; l = r; r = t ^ F3(r, Km[8], Kr[8]);
+ t = l; l = r; r = t ^ F2(r, Km[7], Kr[7]);
+ t = l; l = r; r = t ^ F1(r, Km[6], Kr[6]);
+ t = l; l = r; r = t ^ F3(r, Km[5], Kr[5]);
+ t = l; l = r; r = t ^ F2(r, Km[4], Kr[4]);
+ t = l; l = r; r = t ^ F1(r, Km[3], Kr[3]);
+ t = l; l = r; r = t ^ F3(r, Km[2], Kr[2]);
+ t = l; l = r; r = t ^ F2(r, Km[1], Kr[1]);
+ t = l; l = r; r = t ^ F1(r, Km[0], Kr[0]);
dst[0] = cpu_to_be32(r);
dst[1] = cpu_to_be32(l);