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Fix -m 7400 optimized kernel for passwords length > 12 if salt length > 16

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This commit is contained in:
Jens Steube 2020-02-10 14:40:51 +01:00
parent a06f5f6644
commit 9607b8c734
1 changed files with 71 additions and 9 deletions
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80
OpenCL/m07400-optimized.cl
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@ -870,6 +870,36 @@ DECLSPEC u32 memcat20 (u32 *block, const u32 offset, const u32 *append, const u3
block[18] = tmp3;
block[19] = tmp4;
break;
case 16: block[16] |= tmp0;
block[17] = tmp1;
block[18] = tmp2;
block[19] = tmp3;
block[20] = tmp4;
break;
case 17: block[17] |= tmp0;
block[18] = tmp1;
block[19] = tmp2;
block[20] = tmp3;
block[21] = tmp4;
break;
case 18: block[18] |= tmp0;
block[19] = tmp1;
block[20] = tmp2;
block[21] = tmp3;
block[22] = tmp4;
break;
case 19: block[19] |= tmp0;
block[20] = tmp1;
block[21] = tmp2;
block[22] = tmp3;
block[23] = tmp4;
break;
case 20: block[20] |= tmp0;
block[21] = tmp1;
block[22] = tmp2;
block[23] = tmp3;
block[24] = tmp4;
break;
}
return offset + append_len;
@ -999,6 +1029,36 @@ DECLSPEC u32 memcat20_x80 (u32 *block, const u32 offset, const u32 *append, cons
block[18] = tmp3;
block[19] = tmp4;
break;
case 16: block[16] |= tmp0;
block[17] = tmp1;
block[18] = tmp2;
block[19] = tmp3;
block[20] = tmp4;
break;
case 17: block[17] |= tmp0;
block[18] = tmp1;
block[19] = tmp2;
block[20] = tmp3;
block[21] = tmp4;
break;
case 18: block[18] |= tmp0;
block[19] = tmp1;
block[20] = tmp2;
block[21] = tmp3;
block[22] = tmp4;
break;
case 19: block[19] |= tmp0;
block[20] = tmp1;
block[21] = tmp2;
block[22] = tmp3;
block[23] = tmp4;
break;
case 20: block[20] |= tmp0;
block[21] = tmp1;
block[22] = tmp2;
block[23] = tmp3;
block[24] = tmp4;
break;
}
return offset + append_len;
@ -1438,15 +1498,6 @@ KERNEL_FQ void m07400_loop (KERN_ATTR_TMPS (sha256crypt_tmp_t))
p_bytes[2] = tmps[gid].p_bytes[2];
p_bytes[3] = tmps[gid].p_bytes[3];
u32 p_bytes_x80[4];
p_bytes_x80[0] = tmps[gid].p_bytes[0];
p_bytes_x80[1] = tmps[gid].p_bytes[1];
p_bytes_x80[2] = tmps[gid].p_bytes[2];
p_bytes_x80[3] = tmps[gid].p_bytes[3];
append_0x80_1x4_S (p_bytes_x80, pw_len ^ 3);
u32 s_bytes[5];
s_bytes[0] = tmps[gid].s_bytes[0];
@ -1468,6 +1519,17 @@ KERNEL_FQ void m07400_loop (KERN_ATTR_TMPS (sha256crypt_tmp_t))
u32 salt_len = salt_bufs[salt_pos].salt_len;
// just an optimization
u32 p_bytes_x80[4];
p_bytes_x80[0] = p_bytes[0];
p_bytes_x80[1] = p_bytes[1];
p_bytes_x80[2] = p_bytes[2];
p_bytes_x80[3] = p_bytes[3];
append_0x80_1x4_S (p_bytes_x80, pw_len ^ 3);
/* Repeatedly run the collected hash value through SHA256 to burn
CPU cycles. */