diff --git a/OpenCL/m32800_a0-pure.cl b/OpenCL/m22800_a0-pure.cl similarity index 97% rename from OpenCL/m32800_a0-pure.cl rename to OpenCL/m22800_a0-pure.cl index cccd056ed..4799b2ebe 100644 --- a/OpenCL/m32800_a0-pure.cl +++ b/OpenCL/m22800_a0-pure.cl @@ -1,5 +1,5 @@ /** - * Hashcat Pure OpenCL Kernel for Simpla CMS (hash mode 32800) + * Hashcat Straight Attack Pure OpenCL Kernel for Simpla CMS (hash mode 22800) * Implements: md5($salt.$pass.md5($pass)) * Author: CyberGladius * License: MIT @@ -28,7 +28,7 @@ #define uint_to_hex_lower8(i) make_u32x (l_bin2asc[(i).s0], l_bin2asc[(i).s1], l_bin2asc[(i).s2], l_bin2asc[(i).s3], l_bin2asc[(i).s4], l_bin2asc[(i).s5], l_bin2asc[(i).s6], l_bin2asc[(i).s7], l_bin2asc[(i).s8], l_bin2asc[(i).s9], l_bin2asc[(i).sa], l_bin2asc[(i).sb], l_bin2asc[(i).sc], l_bin2asc[(i).sd], l_bin2asc[(i).se], l_bin2asc[(i).sf]) #endif -KERNEL_FQ void m32800_mxx (KERN_ATTR_RULES ()) +KERNEL_FQ void m22800_mxx (KERN_ATTR_RULES ()) { /** * modifier @@ -146,7 +146,7 @@ KERNEL_FQ void m32800_mxx (KERN_ATTR_RULES ()) } } -KERNEL_FQ void m32800_sxx (KERN_ATTR_RULES ()) +KERNEL_FQ void m22800_sxx (KERN_ATTR_RULES ()) { /** * modifier diff --git a/OpenCL/m22800_a1-pure.cl b/OpenCL/m22800_a1-pure.cl new file mode 100644 index 000000000..f85b200ea --- /dev/null +++ b/OpenCL/m22800_a1-pure.cl @@ -0,0 +1,273 @@ + /** + * Hashcat Combination Attack Pure OpenCL Kernel for Simpla CMS (hash mode 22800) + * Implements: md5($salt.$pass.md5($pass)) + * Author: CyberGladius + * License: MIT + */ + +#ifdef KERNEL_STATIC +#include M2S(INCLUDE_PATH/inc_vendor.h) +#include M2S(INCLUDE_PATH/inc_types.h) +#include M2S(INCLUDE_PATH/inc_platform.cl) +#include M2S(INCLUDE_PATH/inc_common.cl) +#include M2S(INCLUDE_PATH/inc_scalar.cl) +#include M2S(INCLUDE_PATH/inc_hash_md5.cl) +#endif + +#if VECT_SIZE == 1 +#define uint_to_hex_lower8(i) make_u32x (l_bin2asc[(i)]) +#elif VECT_SIZE == 2 +#define uint_to_hex_lower8(i) make_u32x (l_bin2asc[(i).s0], l_bin2asc[(i).s1]) +#elif VECT_SIZE == 4 +#define uint_to_hex_lower8(i) make_u32x (l_bin2asc[(i).s0], l_bin2asc[(i).s1], l_bin2asc[(i).s2], l_bin2asc[(i).s3]) +#elif VECT_SIZE == 8 +#define uint_to_hex_lower8(i) make_u32x (l_bin2asc[(i).s0], l_bin2asc[(i).s1], l_bin2asc[(i).s2], l_bin2asc[(i).s3], l_bin2asc[(i).s4], l_bin2asc[(i).s5], l_bin2asc[(i).s6], l_bin2asc[(i).s7]) +#elif VECT_SIZE == 16 +#define uint_to_hex_lower8(i) make_u32x (l_bin2asc[(i).s0], l_bin2asc[(i).s1], l_bin2asc[(i).s2], l_bin2asc[(i).s3], l_bin2asc[(i).s4], l_bin2asc[(i).s5], l_bin2asc[(i).s6], l_bin2asc[(i).s7], l_bin2asc[(i).s8], l_bin2asc[(i).s9], l_bin2asc[(i).sa], l_bin2asc[(i).sb], l_bin2asc[(i).sc], l_bin2asc[(i).sd], l_bin2asc[(i).se], l_bin2asc[(i).sf]) +#endif + +KERNEL_FQ void m22800_mxx (KERN_ATTR_BASIC ()) +{ + /** + * modifier + */ + + const u64 gid = get_global_id (0); + const u64 lid = get_local_id (0); + const u64 lsz = get_local_size (0); + + /** + * bin2asc table + */ + + LOCAL_VK u32 l_bin2asc[256]; + + for (u32 i = lid; i < 256; i += lsz) + { + const u32 i0 = (i >> 0) & 15; + const u32 i1 = (i >> 4) & 15; + + l_bin2asc[i] = ((i0 < 10) ? '0' + i0 : 'a' - 10 + i0) << 8 + | ((i1 < 10) ? '0' + i1 : 'a' - 10 + i1) << 0; + } + + SYNC_THREADS (); + + if (gid >= GID_CNT) return; + + /** + * base + */ + + const u32 salt_len = salt_bufs[SALT_POS_HOST].salt_len; + + u32 s[64] = { 0 }; + + for (u32 i = 0, idx = 0; i < salt_len; i += 4, idx += 1) + { + s[idx] = salt_bufs[SALT_POS_HOST].salt_buf[idx]; + } + + md5_ctx_t ctx0; + + md5_init (&ctx0); + + md5_update_global (&ctx0, pws[gid].i, pws[gid].pw_len); + + /** + * loop + */ + + for (u32 il_pos = 0; il_pos < IL_CNT; il_pos++) + { + md5_ctx_t ctx1 = ctx0; + + md5_update_global (&ctx1, combs_buf[il_pos].i, combs_buf[il_pos].pw_len); + + md5_final (&ctx1); + + const u32 a = ctx1.h[0]; + const u32 b = ctx1.h[1]; + const u32 c = ctx1.h[2]; + const u32 d = ctx1.h[3]; + + md5_ctx_t ctx; + + md5_init (&ctx); + + // Update with salt + md5_update (&ctx, s, salt_len); + // Update with the password combination + md5_update (&ctx, combs_buf[il_pos].i, combs_buf[il_pos].pw_len); + + u32 w0[4]; + u32 w1[4]; + u32 w2[4]; + u32 w3[4]; + + w0[0] = uint_to_hex_lower8 ((a >> 0) & 255) << 0 + | uint_to_hex_lower8 ((a >> 8) & 255) << 16; + w0[1] = uint_to_hex_lower8 ((a >> 16) & 255) << 0 + | uint_to_hex_lower8 ((a >> 24) & 255) << 16; + w0[2] = uint_to_hex_lower8 ((b >> 0) & 255) << 0 + | uint_to_hex_lower8 ((b >> 8) & 255) << 16; + w0[3] = uint_to_hex_lower8 ((b >> 16) & 255) << 0 + | uint_to_hex_lower8 ((b >> 24) & 255) << 16; + w1[0] = uint_to_hex_lower8 ((c >> 0) & 255) << 0 + | uint_to_hex_lower8 ((c >> 8) & 255) << 16; + w1[1] = uint_to_hex_lower8 ((c >> 16) & 255) << 0 + | uint_to_hex_lower8 ((c >> 24) & 255) << 16; + w1[2] = uint_to_hex_lower8 ((d >> 0) & 255) << 0 + | uint_to_hex_lower8 ((d >> 8) & 255) << 16; + w1[3] = uint_to_hex_lower8 ((d >> 16) & 255) << 0 + | uint_to_hex_lower8 ((d >> 24) & 255) << 16; + w2[0] = 0; + w2[1] = 0; + w2[2] = 0; + w2[3] = 0; + w3[0] = 0; + w3[1] = 0; + w3[2] = 0; + w3[3] = 0; + + md5_update_64 (&ctx, w0, w1, w2, w3, 32); + + md5_final (&ctx); + + const u32 r0 = ctx.h[DGST_R0]; + const u32 r1 = ctx.h[DGST_R1]; + const u32 r2 = ctx.h[DGST_R2]; + const u32 r3 = ctx.h[DGST_R3]; + + COMPARE_M_SCALAR (r0, r1, r2, r3); + } +} + +KERNEL_FQ void m22800_sxx (KERN_ATTR_BASIC ()) +{ + /** + * modifier + */ + + const u64 gid = get_global_id (0); + const u64 lid = get_local_id (0); + const u64 lsz = get_local_size (0); + + /** + * bin2asc table + */ + + LOCAL_VK u32 l_bin2asc[256]; + + for (u32 i = lid; i < 256; i += lsz) + { + const u32 i0 = (i >> 0) & 15; + const u32 i1 = (i >> 4) & 15; + + l_bin2asc[i] = ((i0 < 10) ? '0' + i0 : 'a' - 10 + i0) << 8 + | ((i1 < 10) ? '0' + i1 : 'a' - 10 + i1) << 0; + } + + SYNC_THREADS (); + + if (gid >= GID_CNT) return; + + /** + * digest + */ + + const u32 search[4] = + { + digests_buf[DIGESTS_OFFSET_HOST].digest_buf[DGST_R0], + digests_buf[DIGESTS_OFFSET_HOST].digest_buf[DGST_R1], + digests_buf[DIGESTS_OFFSET_HOST].digest_buf[DGST_R2], + digests_buf[DIGESTS_OFFSET_HOST].digest_buf[DGST_R3] + }; + + /** + * base + */ + + const u32 salt_len = salt_bufs[SALT_POS_HOST].salt_len; + + u32 s[64] = { 0 }; + + for (u32 i = 0, idx = 0; i < salt_len; i += 4, idx += 1) + { + s[idx] = salt_bufs[SALT_POS_HOST].salt_buf[idx]; + } + + md5_ctx_t ctx0; + + md5_init (&ctx0); + + md5_update_global (&ctx0, pws[gid].i, pws[gid].pw_len); + + /** + * loop + */ + + for (u32 il_pos = 0; il_pos < IL_CNT; il_pos++) + { + md5_ctx_t ctx1 = ctx0; + + md5_update_global (&ctx1, combs_buf[il_pos].i, combs_buf[il_pos].pw_len); + + md5_final (&ctx1); + + const u32 a = ctx1.h[0]; + const u32 b = ctx1.h[1]; + const u32 c = ctx1.h[2]; + const u32 d = ctx1.h[3]; + + md5_ctx_t ctx; + + md5_init (&ctx); + + // Update with salt + md5_update (&ctx, s, salt_len); + // Update with the password combination + md5_update (&ctx, combs_buf[il_pos].i, combs_buf[il_pos].pw_len); + + u32 w0[4]; + u32 w1[4]; + u32 w2[4]; + u32 w3[4]; + + w0[0] = uint_to_hex_lower8 ((a >> 0) & 255) << 0 + | uint_to_hex_lower8 ((a >> 8) & 255) << 16; + w0[1] = uint_to_hex_lower8 ((a >> 16) & 255) << 0 + | uint_to_hex_lower8 ((a >> 24) & 255) << 16; + w0[2] = uint_to_hex_lower8 ((b >> 0) & 255) << 0 + | uint_to_hex_lower8 ((b >> 8) & 255) << 16; + w0[3] = uint_to_hex_lower8 ((b >> 16) & 255) << 0 + | uint_to_hex_lower8 ((b >> 24) & 255) << 16; + w1[0] = uint_to_hex_lower8 ((c >> 0) & 255) << 0 + | uint_to_hex_lower8 ((c >> 8) & 255) << 16; + w1[1] = uint_to_hex_lower8 ((c >> 16) & 255) << 0 + | uint_to_hex_lower8 ((c >> 24) & 255) << 16; + w1[2] = uint_to_hex_lower8 ((d >> 0) & 255) << 0 + | uint_to_hex_lower8 ((d >> 8) & 255) << 16; + w1[3] = uint_to_hex_lower8 ((d >> 16) & 255) << 0 + | uint_to_hex_lower8 ((d >> 24) & 255) << 16; + w2[0] = 0; + w2[1] = 0; + w2[2] = 0; + w2[3] = 0; + w3[0] = 0; + w3[1] = 0; + w3[2] = 0; + w3[3] = 0; + + md5_update_64 (&ctx, w0, w1, w2, w3, 32); + + md5_final (&ctx); + + const u32 r0 = ctx.h[DGST_R0]; + const u32 r1 = ctx.h[DGST_R1]; + const u32 r2 = ctx.h[DGST_R2]; + const u32 r3 = ctx.h[DGST_R3]; + + COMPARE_S_SCALAR (r0, r1, r2, r3); + } +} diff --git a/OpenCL/m22800_a3-pure.cl b/OpenCL/m22800_a3-pure.cl new file mode 100644 index 000000000..833986867 --- /dev/null +++ b/OpenCL/m22800_a3-pure.cl @@ -0,0 +1,299 @@ + /** + * Hashcat Brute-force Attack Pure OpenCL Kernel for Simpla CMS (hash mode 22800) + * Implements: md5($salt.$pass.md5($pass)) + * Author: CyberGladius + * License: MIT + */ + +#define NEW_SIMD_CODE + +#ifdef KERNEL_STATIC +#include M2S(INCLUDE_PATH/inc_vendor.h) +#include M2S(INCLUDE_PATH/inc_types.h) +#include M2S(INCLUDE_PATH/inc_platform.cl) +#include M2S(INCLUDE_PATH/inc_common.cl) +#include M2S(INCLUDE_PATH/inc_simd.cl) +#include M2S(INCLUDE_PATH/inc_hash_md5.cl) +#endif + +#if VECT_SIZE == 1 +#define uint_to_hex_lower8(i) make_u32x (l_bin2asc[(i)]) +#elif VECT_SIZE == 2 +#define uint_to_hex_lower8(i) make_u32x (l_bin2asc[(i).s0], l_bin2asc[(i).s1]) +#elif VECT_SIZE == 4 +#define uint_to_hex_lower8(i) make_u32x (l_bin2asc[(i).s0], l_bin2asc[(i).s1], l_bin2asc[(i).s2], l_bin2asc[(i).s3]) +#elif VECT_SIZE == 8 +#define uint_to_hex_lower8(i) make_u32x (l_bin2asc[(i).s0], l_bin2asc[(i).s1], l_bin2asc[(i).s2], l_bin2asc[(i).s3], l_bin2asc[(i).s4], l_bin2asc[(i).s5], l_bin2asc[(i).s6], l_bin2asc[(i).s7]) +#elif VECT_SIZE == 16 +#define uint_to_hex_lower8(i) make_u32x (l_bin2asc[(i).s0], l_bin2asc[(i).s1], l_bin2asc[(i).s2], l_bin2asc[(i).s3], l_bin2asc[(i).s4], l_bin2asc[(i).s5], l_bin2asc[(i).s6], l_bin2asc[(i).s7], l_bin2asc[(i).s8], l_bin2asc[(i).s9], l_bin2asc[(i).sa], l_bin2asc[(i).sb], l_bin2asc[(i).sc], l_bin2asc[(i).sd], l_bin2asc[(i).se], l_bin2asc[(i).sf]) +#endif + +KERNEL_FQ void m22800_mxx (KERN_ATTR_VECTOR ()) +{ + /** + * modifier + */ + + const u64 gid = get_global_id (0); + const u64 lid = get_local_id (0); + const u64 lsz = get_local_size (0); + + /** + * bin2asc table + */ + + LOCAL_VK u32 l_bin2asc[256]; + + for (u32 i = lid; i < 256; i += lsz) + { + const u32 i0 = (i >> 0) & 15; + const u32 i1 = (i >> 4) & 15; + + l_bin2asc[i] = ((i0 < 10) ? '0' + i0 : 'a' - 10 + i0) << 8 + | ((i1 < 10) ? '0' + i1 : 'a' - 10 + i1) << 0; + } + + SYNC_THREADS (); + + if (gid >= GID_CNT) return; + + /** + * base + */ + + const u32 pw_len = pws[gid].pw_len; + + u32x w[64] = { 0 }; + + for (u32 i = 0, idx = 0; i < pw_len; i += 4, idx += 1) + { + w[idx] = pws[gid].i[idx]; + } + + const u32 salt_len = salt_bufs[SALT_POS_HOST].salt_len; + + u32x s[64] = { 0 }; + + for (u32 i = 0, idx = 0; i < salt_len; i += 4, idx += 1) + { + s[idx] = salt_bufs[SALT_POS_HOST].salt_buf[idx]; + } + + /** + * loop + */ + + u32x w0l = w[0]; + + for (u32 il_pos = 0; il_pos < IL_CNT; il_pos += VECT_SIZE) + { + const u32x w0r = words_buf_r[il_pos / VECT_SIZE]; + + const u32x w0lr = w0l | w0r; + + w[0] = w0lr; + + md5_ctx_vector_t ctx0; + + md5_init_vector (&ctx0); + + md5_update_vector (&ctx0, w, pw_len); + + md5_final_vector (&ctx0); + + const u32x a = ctx0.h[0]; + const u32x b = ctx0.h[1]; + const u32x c = ctx0.h[2]; + const u32x d = ctx0.h[3]; + + md5_ctx_vector_t ctx; + + md5_init_vector (&ctx); + + md5_update_vector (&ctx, s, salt_len); + + md5_update_vector (&ctx, w, pw_len); + + u32x w0[4]; + u32x w1[4]; + u32x w2[4]; + u32x w3[4]; + + w0[0] = uint_to_hex_lower8 ((a >> 0) & 255) << 0 + | uint_to_hex_lower8 ((a >> 8) & 255) << 16; + w0[1] = uint_to_hex_lower8 ((a >> 16) & 255) << 0 + | uint_to_hex_lower8 ((a >> 24) & 255) << 16; + w0[2] = uint_to_hex_lower8 ((b >> 0) & 255) << 0 + | uint_to_hex_lower8 ((b >> 8) & 255) << 16; + w0[3] = uint_to_hex_lower8 ((b >> 16) & 255) << 0 + | uint_to_hex_lower8 ((b >> 24) & 255) << 16; + w1[0] = uint_to_hex_lower8 ((c >> 0) & 255) << 0 + | uint_to_hex_lower8 ((c >> 8) & 255) << 16; + w1[1] = uint_to_hex_lower8 ((c >> 16) & 255) << 0 + | uint_to_hex_lower8 ((c >> 24) & 255) << 16; + w1[2] = uint_to_hex_lower8 ((d >> 0) & 255) << 0 + | uint_to_hex_lower8 ((d >> 8) & 255) << 16; + w1[3] = uint_to_hex_lower8 ((d >> 16) & 255) << 0 + | uint_to_hex_lower8 ((d >> 24) & 255) << 16; + w2[0] = 0; + w2[1] = 0; + w2[2] = 0; + w2[3] = 0; + w3[0] = 0; + w3[1] = 0; + w3[2] = 0; + w3[3] = 0; + + md5_update_vector_64 (&ctx, w0, w1, w2, w3, 32); + + md5_final_vector (&ctx); + + const u32x r0 = ctx.h[DGST_R0]; + const u32x r1 = ctx.h[DGST_R1]; + const u32x r2 = ctx.h[DGST_R2]; + const u32x r3 = ctx.h[DGST_R3]; + + COMPARE_M_SIMD (r0, r1, r2, r3); + } +} + +KERNEL_FQ void m22800_sxx (KERN_ATTR_VECTOR ()) +{ + /** + * modifier + */ + + const u64 gid = get_global_id (0); + const u64 lid = get_local_id (0); + const u64 lsz = get_local_size (0); + + /** + * bin2asc table + */ + + LOCAL_VK u32 l_bin2asc[256]; + + for (u32 i = lid; i < 256; i += lsz) + { + const u32 i0 = (i >> 0) & 15; + const u32 i1 = (i >> 4) & 15; + + l_bin2asc[i] = ((i0 < 10) ? '0' + i0 : 'a' - 10 + i0) << 8 + | ((i1 < 10) ? '0' + i1 : 'a' - 10 + i1) << 0; + } + + SYNC_THREADS (); + + if (gid >= GID_CNT) return; + + /** + * digest + */ + + const u32 search[4] = + { + digests_buf[DIGESTS_OFFSET_HOST].digest_buf[DGST_R0], + digests_buf[DIGESTS_OFFSET_HOST].digest_buf[DGST_R1], + digests_buf[DIGESTS_OFFSET_HOST].digest_buf[DGST_R2], + digests_buf[DIGESTS_OFFSET_HOST].digest_buf[DGST_R3] + }; + + /** + * base + */ + + const u32 pw_len = pws[gid].pw_len; + + u32x w[64] = { 0 }; + + for (u32 i = 0, idx = 0; i < pw_len; i += 4, idx += 1) + { + w[idx] = pws[gid].i[idx]; + } + + const u32 salt_len = salt_bufs[SALT_POS_HOST].salt_len; + + u32x s[64] = { 0 }; + + for (u32 i = 0, idx = 0; i < salt_len; i += 4, idx += 1) + { + s[idx] = salt_bufs[SALT_POS_HOST].salt_buf[idx]; + } + + /** + * loop + */ + + u32x w0l = w[0]; + + for (u32 il_pos = 0; il_pos < IL_CNT; il_pos += VECT_SIZE) + { + const u32x w0r = words_buf_r[il_pos / VECT_SIZE]; + + const u32x w0lr = w0l | w0r; + + w[0] = w0lr; + + md5_ctx_vector_t ctx0; + + md5_init_vector (&ctx0); + + md5_update_vector (&ctx0, w, pw_len); + + md5_final_vector (&ctx0); + + const u32x a = ctx0.h[0]; + const u32x b = ctx0.h[1]; + const u32x c = ctx0.h[2]; + const u32x d = ctx0.h[3]; + + md5_ctx_vector_t ctx; + + md5_init_vector (&ctx); + + md5_update_vector (&ctx, s, salt_len); + + md5_update_vector (&ctx, w, pw_len); + + u32x w0[4]; + u32x w1[4]; + u32x w2[4]; + u32x w3[4]; + + w0[0] = uint_to_hex_lower8 ((a >> 0) & 255) << 0 + | uint_to_hex_lower8 ((a >> 8) & 255) << 16; + w0[1] = uint_to_hex_lower8 ((a >> 16) & 255) << 0 + | uint_to_hex_lower8 ((a >> 24) & 255) << 16; + w0[2] = uint_to_hex_lower8 ((b >> 0) & 255) << 0 + | uint_to_hex_lower8 ((b >> 8) & 255) << 16; + w0[3] = uint_to_hex_lower8 ((b >> 16) & 255) << 0 + | uint_to_hex_lower8 ((b >> 24) & 255) << 16; + w1[0] = uint_to_hex_lower8 ((c >> 0) & 255) << 0 + | uint_to_hex_lower8 ((c >> 8) & 255) << 16; + w1[1] = uint_to_hex_lower8 ((c >> 16) & 255) << 0 + | uint_to_hex_lower8 ((c >> 24) & 255) << 16; + w1[2] = uint_to_hex_lower8 ((d >> 0) & 255) << 0 + | uint_to_hex_lower8 ((d >> 8) & 255) << 16; + w1[3] = uint_to_hex_lower8 ((d >> 16) & 255) << 0 + | uint_to_hex_lower8 ((d >> 24) & 255) << 16; + w2[0] = 0; + w2[1] = 0; + w2[2] = 0; + w2[3] = 0; + w3[0] = 0; + w3[1] = 0; + w3[2] = 0; + w3[3] = 0; + + md5_update_vector_64 (&ctx, w0, w1, w2, w3, 32); + + md5_final_vector (&ctx); + + const u32x r0 = ctx.h[DGST_R0]; + const u32x r1 = ctx.h[DGST_R1]; + const u32x r2 = ctx.h[DGST_R2]; + const u32x r3 = ctx.h[DGST_R3]; + + COMPARE_S_SIMD (r0, r1, r2, r3); + } +} diff --git a/src/modules/module_32800.c b/src/modules/module_22800.c similarity index 99% rename from src/modules/module_32800.c rename to src/modules/module_22800.c index b5b8b2d92..17efea8ae 100644 --- a/src/modules/module_32800.c +++ b/src/modules/module_22800.c @@ -1,5 +1,5 @@ /** - * Hashcat module for Simpla CMS (hash mode 32800) + * Hashcat module for Simpla CMS (hash mode 22800) * Implements: md5($salt.$pass.md5($pass)) * Author: CyberGladius * License: MIT @@ -20,7 +20,7 @@ static const u32 DGST_SIZE = DGST_SIZE_4_4; static const u32 HASH_CATEGORY = HASH_CATEGORY_RAW_HASH_SALTED; static const char *HASH_NAME = "Simpla CMS - md5($salt.$pass.md5($pass))"; -static const u64 KERN_TYPE = 32800; +static const u64 KERN_TYPE = 22800; static const u32 OPTI_TYPE = OPTI_TYPE_ZERO_BYTE | OPTI_TYPE_PRECOMPUTE_INIT | OPTI_TYPE_EARLY_SKIP;