diff options
Diffstat (limited to '')
| -rw-r--r-- | include/aesni/data.h | 1 | ||||
| -rw-r--r-- | src/aes192.asm | 54 |
2 files changed, 27 insertions, 28 deletions
diff --git a/include/aesni/data.h b/include/aesni/data.h index b44b1d6..0cee7c6 100644 --- a/include/aesni/data.h +++ b/include/aesni/data.h @@ -57,7 +57,6 @@ Aes128KeySchedule; typedef struct { AesBlock128 keys[13]; - char fillers[8]; } Aes192KeySchedule; diff --git a/src/aes192.asm b/src/aes192.asm index f3a56a8..6851ae1 100644 --- a/src/aes192.asm +++ b/src/aes192.asm @@ -99,30 +99,44 @@ ; * xmm0[63:32] == w[1], ; * xmm0[31:0] == w[0]. - movdqa [ecx], xmm0 ; sets w[0], w[1], w[2], w[3] - movdqa [ecx + 10h], xmm1 ; sets w[4], w[5] - add ecx, 18h ; ecx = &w[6] + movdqa [ecx], xmm0 ; sets w[0], w[1], w[2], w[3] + movq qword ptr [ecx + 10h], xmm1 ; sets w[4], w[5] aeskeygenassist xmm7, xmm1, 1 ; xmm7[63:32] = RotWord(SubWord(w[5]))^Rcon, - call gen_round_key ; sets w[6], w[7], w[8], w[9], w[10], w[11] + call aes192_keygen_assist + movdqu [ecx + 18h], xmm0 + movq qword ptr [ecx + 28h], xmm1 aeskeygenassist xmm7, xmm1, 2 ; xmm7[63:32] = RotWord(SubWord(w[11]))^Rcon - call gen_round_key ; sets w[12], w[13], w[14], w[15], w[16], w[17] + call aes192_keygen_assist + movdqa [ecx + 30h], xmm0 + movq qword ptr [ecx + 40h], xmm1 aeskeygenassist xmm7, xmm1, 4 ; xmm7[63:32] = RotWord(SubWord(w[17]))^Rcon - call gen_round_key ; sets w[18], w[19], w[20], w[21], w[22], w[23] + call aes192_keygen_assist + movdqu [ecx + 48h], xmm0 + movq qword ptr [ecx + 58h], xmm1 aeskeygenassist xmm7, xmm1, 8 ; xmm7[63:32] = RotWord(SubWord(w[23]))^Rcon - call gen_round_key ; sets w[24], w[25], w[26], w[27], w[28], w[29] + call aes192_keygen_assist + movdqa [ecx + 60h], xmm0 + movq qword ptr [ecx + 70h], xmm1 aeskeygenassist xmm7, xmm1, 10h ; xmm7[63:32] = RotWord(SubWord(w[29]))^Rcon - call gen_round_key ; sets w[30], w[31], w[32], w[33], w[34], w[35] + call aes192_keygen_assist + movdqu [ecx + 78h], xmm0 + movq qword ptr [ecx + 88h], xmm1 aeskeygenassist xmm7, xmm1, 20h ; xmm7[63:32] = RotWord(SubWord(w[35]))^Rcon - call gen_round_key ; sets w[36], w[37], w[38], w[39], w[40], w[41] + call aes192_keygen_assist + movdqa [ecx + 90h], xmm0 + movq qword ptr [ecx + 0a0h], xmm1 aeskeygenassist xmm7, xmm1, 40h ; xmm7[63:32] = RotWord(SubWord(w[41]))^Rcon - call gen_round_key ; sets w[42], w[43], w[44], w[45], w[46], w[47] + call aes192_keygen_assist + movdqu [ecx + 0a8h], xmm0 + movq qword ptr [ecx + 0b8h], xmm1 aeskeygenassist xmm7, xmm1, 80h ; xmm7[63:32] = RotWord(SubWord(w[49]))^Rcon - call gen_round_key ; sets w[48], w[49], w[50], w[51], w[52], w[53] + call aes192_keygen_assist + movdqa [ecx + 0c0h], xmm0 ret -gen_round_key: +aes192_keygen_assist: ; Preconditions: ; * xmm1[127:96] == 0, ; * xmm1[95:64] == 0, @@ -132,8 +146,7 @@ gen_round_key: ; * xmm0[95:64] == w[i+2], ; * xmm0[63:32] == w[i+1], ; * xmm0[31:0] == w[i], - ; * xmm7[63:32] == RotWord(SubWord(w[i+5]))^Rcon, - ; * ecx == &w[i+6]. + ; * xmm7[63:32] == RotWord(SubWord(w[i+5]))^Rcon. ; ; Postconditions: ; * xmm1[127:96] == 0, @@ -144,7 +157,6 @@ gen_round_key: ; * xmm0[95:64] == w[i+8] == RotWord(SubWord(w[i+5]))^Rcon^w[i+2]^w[i+1]^w[i], ; * xmm0[63:32] == w[i+7] == RotWord(SubWord(w[i+5]))^Rcon^w[i+1]^w[i], ; * xmm0[31:0] == w[i+6] == RotWord(SubWord(w[i+5]))^Rcon^w[i], - ; * ecx == &w[i+12], ; * the value in xmm6 is also modified. ; Calculate @@ -176,13 +188,6 @@ gen_round_key: ; xmm0[63:32] == w[i+7] == RotWord(SubWord(w[i+5]))^Rcon^w[i+1]^w[i] ; xmm0[31:0] == w[i+6] == RotWord(SubWord(w[i+5]))^Rcon^w[i] - ; Set w[i+6], w[i+7], w[i+8] and w[i+9]. - movdqu [ecx], xmm0 ; w[i+6] = RotWord(SubWord(w[i+5]))^Rcon^w[i] - ; w[i+7] = RotWord(SubWord(w[i+5]))^Rcon^w[i+1]^w[i] - ; w[i+8] = RotWord(SubWord(w[i+5]))^Rcon^w[i+2]^w[i+1]^w[i] - ; w[i+9] = RotWord(SubWord(w[i+5]))^Rcon^w[i+3]^w[i+2]^w[i+1]^w[i] - add ecx, 10h ; ecx = &w[i+10] - ; Calculate ; w[i+5]^w[i+4], ; w[i+4]. @@ -200,11 +205,6 @@ gen_round_key: ; xmm1[63:32] == w[i+11] == RotWord(SubWord(w[i+5]))^Rcon^w[i+5]^w[i+4]^w[i+3]^w[i+2]^w[i+1]^w[i] ; xmm1[31:0] == w[i+10] == RotWord(SubWord(w[i+5]))^Rcon^w[i+4]^w[i+3]^w[i+2]^w[i+1]^w[i] - ; Set w[i+10] and w[i+11]. - movq qword ptr [ecx], xmm1 ; w[i+10] = RotWord(SubWord(w[i+5]))^Rcon^w[i+4]^w[i+3]^w[i+2]^w[i+1]^w[i] - ; w[i+11] = RotWord(SubWord(w[i+5]))^Rcon^w[i+5]^w[i+4]^w[i+3]^w[i+2]^w[i+1]^w[i] - add ecx, 8 ; ecx = &w[i+12] - ret @raw_aes192_expand_key_schedule@36 endp |