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| author | Niels Möller <nisse@lysator.liu.se> | 2002-05-15 23:20:51 +0200 |
|---|---|---|
| committer | Niels Möller <nisse@lysator.liu.se> | 2002-05-15 23:20:51 +0200 |
| commit | 26756e8470f13dfb013e29310ec99eaddafacc67 (patch) | |
| tree | 647c500681a837fcb0bd8d6bfe7232c90e2d3e5d /sparc/aes.asm | |
| parent | bc527459a99f94bbf754cb5c50d04b893540880a (diff) | |
| download | nettle-26756e8470f13dfb013e29310ec99eaddafacc67.tar.gz | |
* sparc/aes.asm (_aes_crypt): Deleted a bunch of additions of two,
after accessing IDX1.
Rev: src/nettle/sparc/aes.asm:1.94
Diffstat (limited to 'sparc/aes.asm')
| -rw-r--r-- | sparc/aes.asm | 39 |
1 files changed, 19 insertions, 20 deletions
diff --git a/sparc/aes.asm b/sparc/aes.asm index 8ac0d4d1..c599d6e6 100644 --- a/sparc/aes.asm +++ b/sparc/aes.asm @@ -57,9 +57,10 @@ define(T0, %l6) define(T1, %l7) define(T2, %g5) define(T3, %o7) -C define(IDX1, %i5) + +C IDX1 cointains the permutation values * 4 + 2 define(IDX1, <T + AES_SIDX1 >) -C define(IDX3, %o5) +C IDX3 cointains the permutation values * 4 define(IDX3, <T + AES_SIDX3 >) ! Teporaries @@ -96,9 +97,7 @@ _aes_crypt: add T, AES_TABLE1, T1 add T, AES_TABLE2, T2 add T, AES_TABLE3, T3 - C add T, AES_SIDX1, IDX1 - C add T, AES_SIDX3, IDX3 ! Read src, and add initial subkey ! Difference between ctx and src. ! NOTE: These instructions are duplicated in the delay slot, @@ -148,8 +147,8 @@ _aes_crypt: C i = 0 ld [IDX1+0], t1 ! 1 - add wtxt, t1, t1 ! 1 - ldub [t1+2], t1 ! 1 + C add wtxt, t1, t1 ! 1 + ldub [wtxt+t1], t1 ! 1 ld [IDX3+0], t3 ! 3 sll t1, 2, t1 ! 1 @@ -181,8 +180,8 @@ _aes_crypt: C i = 1 ld [IDX1+4], t1 ! 1 - add wtxt, t1, t1 ! 1 - ldub [t1+2], t1 ! 1 + C add wtxt, t1, t1 ! 1 + ldub [wtxt+t1], t1 ! 1 ld [IDX3+4], t3 ! 3 sll t1, 2, t1 ! 1 @@ -214,8 +213,8 @@ _aes_crypt: C = 2 ld [IDX1+8], t1 ! 1 - add wtxt, t1, t1 ! 1 - ldub [t1+2], t1 ! 1 + C add wtxt, t1, t1 ! 1 + ldub [wtxt+t1], t1 ! 1 ld [IDX3+8], t3 ! 3 sll t1, 2, t1 ! 1 @@ -247,8 +246,8 @@ _aes_crypt: C = 3 ld [IDX1+12], t1 ! 1 - add wtxt, t1, t1 ! 1 - ldub [t1+2], t1 ! 1 + C add wtxt, t1, t1 ! 1 + ldub [wtxt+t1], t1 ! 1 ld [IDX3+12], t3 ! 3 sll t1, 2, t1 ! 1 @@ -296,8 +295,8 @@ _aes_crypt: C i = 0 ld [IDX1+0], t1 ! 1 - add wtxt, t1, t1 ! 1 - ldub [t1+2], t1 ! 1 + C add wtxt, t1, t1 ! 1 + ldub [wtxt+t1], t1 ! 1 ld [wtxt+0], t0 ! 0 ! IDX2(j) = j XOR 2 @@ -336,8 +335,8 @@ _aes_crypt: C i = 1 ld [IDX1+4], t1 ! 1 - add wtxt, t1, t1 ! 1 - ldub [t1+2], t1 ! 1 + C add wtxt, t1, t1 ! 1 + ldub [wtxt+t1], t1 ! 1 ld [wtxt+4], t0 ! 0 ! IDX2(j) = j XOR 2 @@ -376,8 +375,8 @@ _aes_crypt: C i = 2 ld [IDX1+8], t1 ! 1 - add wtxt, t1, t1 ! 1 - ldub [t1+2], t1 ! 1 + C add wtxt, t1, t1 ! 1 + ldub [wtxt+t1], t1 ! 1 ld [wtxt+8], t0 ! 0 ! IDX2(j) = j XOR 2 @@ -416,8 +415,8 @@ _aes_crypt: C i = 3 ld [IDX1+12], t1 ! 1 - add wtxt, t1, t1 ! 1 - ldub [t1+2], t1 ! 1 + C add wtxt, t1, t1 ! 1 + ldub [wtxt+t1], t1 ! 1 ld [wtxt+12], t0 ! 0 ! IDX2(j) = j XOR 2 |