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Code Issues Releases Wiki Activity

Precompute byteswap for salt in -m 21300

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This commit is contained in:
jsteube 2022-12-12 19:47:22 +00:00
parent 06af574dbd
commit 3035f4c24f
4 changed files with 15 additions and 6 deletions
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4
OpenCL/m21300_a0-pure.cl
View File

@ -68,7 +68,7 @@ KERNEL_FQ void m21300_mxx (KERN_ATTR_RULES ())
sha1_init(&ctx00);
sha1_update_global_swap (&ctx00, salt_bufs[SALT_POS_HOST].salt_buf, salt_bufs[SALT_POS_HOST].salt_len);
sha1_update_global (&ctx00, salt_bufs[SALT_POS_HOST].salt_buf_pc, salt_bufs[SALT_POS_HOST].salt_len_pc);
md5_ctx_t ctx11;
@ -197,7 +197,7 @@ KERNEL_FQ void m21300_sxx (KERN_ATTR_RULES ())
sha1_init(&ctx00);
sha1_update_global_swap (&ctx00, salt_bufs[SALT_POS_HOST].salt_buf, salt_bufs[SALT_POS_HOST].salt_len);
sha1_update_global (&ctx00, salt_bufs[SALT_POS_HOST].salt_buf_pc, salt_bufs[SALT_POS_HOST].salt_len_pc);
md5_ctx_t ctx11;

4
OpenCL/m21300_a1-pure.cl
View File

@ -64,7 +64,7 @@ KERNEL_FQ void m21300_mxx (KERN_ATTR_BASIC ())
sha1_init (&ctx00);
sha1_update_global_swap (&ctx00, salt_bufs[SALT_POS_HOST].salt_buf, salt_bufs[SALT_POS_HOST].salt_len);
sha1_update_global (&ctx00, salt_bufs[SALT_POS_HOST].salt_buf_pc, salt_bufs[SALT_POS_HOST].salt_len_pc);
sha1_update_global_swap (&ctx00, pws[gid].i, pws[gid].pw_len);
@ -189,7 +189,7 @@ KERNEL_FQ void m21300_sxx (KERN_ATTR_BASIC ())
sha1_init (&ctx00);
sha1_update_global_swap (&ctx00, salt_bufs[SALT_POS_HOST].salt_buf, salt_bufs[SALT_POS_HOST].salt_len);
sha1_update_global (&ctx00, salt_bufs[SALT_POS_HOST].salt_buf_pc, salt_bufs[SALT_POS_HOST].salt_len_pc);
sha1_update_global_swap (&ctx00, pws[gid].i, pws[gid].pw_len);

4
OpenCL/m21300_a3-pure.cl
View File

@ -73,7 +73,7 @@ KERNEL_FQ void m21300_mxx (KERN_ATTR_VECTOR ())
sha1_init (&ctx00);
sha1_update_global_swap (&ctx00, salt_bufs[SALT_POS_HOST].salt_buf, salt_bufs[SALT_POS_HOST].salt_len);
sha1_update_global (&ctx00, salt_bufs[SALT_POS_HOST].salt_buf_pc, salt_bufs[SALT_POS_HOST].salt_len_pc);
md5_ctx_t ctx11;
@ -217,7 +217,7 @@ KERNEL_FQ void m21300_sxx (KERN_ATTR_VECTOR ())
sha1_init (&ctx00);
sha1_update_global_swap (&ctx00, salt_bufs[SALT_POS_HOST].salt_buf, salt_bufs[SALT_POS_HOST].salt_len);
sha1_update_global (&ctx00, salt_bufs[SALT_POS_HOST].salt_buf_pc, salt_bufs[SALT_POS_HOST].salt_len_pc);
md5_ctx_t ctx11;

9
src/modules/module_21300.c
View File

@ -99,6 +99,15 @@ int module_hash_decode (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSE
if (parse_rc == false) return (PARSER_SALT_LENGTH);
// we can swap the version for sha1 to not need to do this in the kernel
for (int i = 0; i < 64; i++)
{
salt->salt_buf_pc[i] = byte_swap_32 (salt->salt_buf[i]);
}
salt->salt_len_pc = salt->salt_len;
return (PARSER_OK);
}