/** * Author......: See docs/credits.txt * License.....: MIT */ #define NEW_SIMD_CODE #include "inc_vendor.cl" #include "inc_hash_constants.h" #include "inc_hash_functions.cl" #include "inc_types.cl" #include "inc_common.cl" #include "inc_simd.cl" #include "inc_hash_sha1.cl" #include "inc_cipher_aes.cl" #define COMPARE_S "inc_comp_single.cl" #define COMPARE_M "inc_comp_multi.cl" typedef struct android_backup_tmp { u32 ipad[5]; u32 opad[5]; u32 dgst[10]; u32 out[10]; } android_backup_tmp_t; typedef struct android_backup { u32 version; u32 cipher; u32 iter; u32 user_salt[16]; u32 ck_salt[16]; u32 user_iv[4]; u32 masterkey_blob[24]; } android_backup_t; DECLSPEC void hmac_sha1_run_V (u32x *w0, u32x *w1, u32x *w2, u32x *w3, u32x *ipad, u32x *opad, u32x *digest) { digest[0] = ipad[0]; digest[1] = ipad[1]; digest[2] = ipad[2]; digest[3] = ipad[3]; digest[4] = ipad[4]; sha1_transform_vector (w0, w1, w2, w3, digest); w0[0] = digest[0]; w0[1] = digest[1]; w0[2] = digest[2]; w0[3] = digest[3]; w1[0] = digest[4]; w1[1] = 0x80000000; w1[2] = 0; w1[3] = 0; w2[0] = 0; w2[1] = 0; w2[2] = 0; w2[3] = 0; w3[0] = 0; w3[1] = 0; w3[2] = 0; w3[3] = (64 + 20) * 8; digest[0] = opad[0]; digest[1] = opad[1]; digest[2] = opad[2]; digest[3] = opad[3]; digest[4] = opad[4]; sha1_transform_vector (w0, w1, w2, w3, digest); } __kernel void m18900_init (KERN_ATTR_TMPS_ESALT (android_backup_tmp_t, android_backup_t)) { /** * base */ const u64 gid = get_global_id (0); if (gid >= gid_max) return; sha1_hmac_ctx_t sha1_hmac_ctx; sha1_hmac_init_global_swap (&sha1_hmac_ctx, pws[gid].i, pws[gid].pw_len); tmps[gid].ipad[0] = sha1_hmac_ctx.ipad.h[0]; tmps[gid].ipad[1] = sha1_hmac_ctx.ipad.h[1]; tmps[gid].ipad[2] = sha1_hmac_ctx.ipad.h[2]; tmps[gid].ipad[3] = sha1_hmac_ctx.ipad.h[3]; tmps[gid].ipad[4] = sha1_hmac_ctx.ipad.h[4]; tmps[gid].opad[0] = sha1_hmac_ctx.opad.h[0]; tmps[gid].opad[1] = sha1_hmac_ctx.opad.h[1]; tmps[gid].opad[2] = sha1_hmac_ctx.opad.h[2]; tmps[gid].opad[3] = sha1_hmac_ctx.opad.h[3]; tmps[gid].opad[4] = sha1_hmac_ctx.opad.h[4]; sha1_hmac_update_global_swap (&sha1_hmac_ctx, salt_bufs[salt_pos].salt_buf, salt_bufs[salt_pos].salt_len); for (u32 i = 0, j = 1; i < 8; i += 5, j += 1) { sha1_hmac_ctx_t sha1_hmac_ctx2 = sha1_hmac_ctx; u32 w0[4]; u32 w1[4]; u32 w2[4]; u32 w3[4]; w0[0] = j; w0[1] = 0; w0[2] = 0; w0[3] = 0; w1[0] = 0; w1[1] = 0; w1[2] = 0; w1[3] = 0; w2[0] = 0; w2[1] = 0; w2[2] = 0; w2[3] = 0; w3[0] = 0; w3[1] = 0; w3[2] = 0; w3[3] = 0; sha1_hmac_update_64 (&sha1_hmac_ctx2, w0, w1, w2, w3, 4); sha1_hmac_final (&sha1_hmac_ctx2); tmps[gid].dgst[i + 0] = sha1_hmac_ctx2.opad.h[0]; tmps[gid].dgst[i + 1] = sha1_hmac_ctx2.opad.h[1]; tmps[gid].dgst[i + 2] = sha1_hmac_ctx2.opad.h[2]; tmps[gid].dgst[i + 3] = sha1_hmac_ctx2.opad.h[3]; tmps[gid].dgst[i + 4] = sha1_hmac_ctx2.opad.h[4]; tmps[gid].out[i + 0] = tmps[gid].dgst[i + 0]; tmps[gid].out[i + 1] = tmps[gid].dgst[i + 1]; tmps[gid].out[i + 2] = tmps[gid].dgst[i + 2]; tmps[gid].out[i + 3] = tmps[gid].dgst[i + 3]; tmps[gid].out[i + 4] = tmps[gid].dgst[i + 4]; } } __kernel void m18900_loop (KERN_ATTR_TMPS_ESALT (android_backup_tmp_t, android_backup_t)) { const u64 gid = get_global_id (0); if ((gid * VECT_SIZE) >= gid_max) return; u32x ipad[5]; u32x opad[5]; ipad[0] = packv (tmps, ipad, gid, 0); ipad[1] = packv (tmps, ipad, gid, 1); ipad[2] = packv (tmps, ipad, gid, 2); ipad[3] = packv (tmps, ipad, gid, 3); ipad[4] = packv (tmps, ipad, gid, 4); opad[0] = packv (tmps, opad, gid, 0); opad[1] = packv (tmps, opad, gid, 1); opad[2] = packv (tmps, opad, gid, 2); opad[3] = packv (tmps, opad, gid, 3); opad[4] = packv (tmps, opad, gid, 4); for (u32 i = 0; i < 8; i += 5) { u32x dgst[5]; u32x out[5]; dgst[0] = packv (tmps, dgst, gid, i + 0); dgst[1] = packv (tmps, dgst, gid, i + 1); dgst[2] = packv (tmps, dgst, gid, i + 2); dgst[3] = packv (tmps, dgst, gid, i + 3); dgst[4] = packv (tmps, dgst, gid, i + 4); out[0] = packv (tmps, out, gid, i + 0); out[1] = packv (tmps, out, gid, i + 1); out[2] = packv (tmps, out, gid, i + 2); out[3] = packv (tmps, out, gid, i + 3); out[4] = packv (tmps, out, gid, i + 4); for (u32 j = 0; j < loop_cnt; j++) { u32x w0[4]; u32x w1[4]; u32x w2[4]; u32x w3[4]; w0[0] = dgst[0]; w0[1] = dgst[1]; w0[2] = dgst[2]; w0[3] = dgst[3]; w1[0] = dgst[4]; w1[1] = 0x80000000; w1[2] = 0; w1[3] = 0; w2[0] = 0; w2[1] = 0; w2[2] = 0; w2[3] = 0; w3[0] = 0; w3[1] = 0; w3[2] = 0; w3[3] = (64 + 20) * 8; hmac_sha1_run_V (w0, w1, w2, w3, ipad, opad, dgst); out[0] ^= dgst[0]; out[1] ^= dgst[1]; out[2] ^= dgst[2]; out[3] ^= dgst[3]; out[4] ^= dgst[4]; } unpackv (tmps, dgst, gid, i + 0, dgst[0]); unpackv (tmps, dgst, gid, i + 1, dgst[1]); unpackv (tmps, dgst, gid, i + 2, dgst[2]); unpackv (tmps, dgst, gid, i + 3, dgst[3]); unpackv (tmps, dgst, gid, i + 4, dgst[4]); unpackv (tmps, out, gid, i + 0, out[0]); unpackv (tmps, out, gid, i + 1, out[1]); unpackv (tmps, out, gid, i + 2, out[2]); unpackv (tmps, out, gid, i + 3, out[3]); unpackv (tmps, out, gid, i + 4, out[4]); } } __kernel void m18900_comp (KERN_ATTR_TMPS_ESALT (android_backup_tmp_t, android_backup_t)) { const u64 gid = get_global_id (0); const u64 lid = get_local_id (0); const u64 lsz = get_local_size (0); /** * aes shared */ #ifdef REAL_SHM __local u32 s_td0[256]; __local u32 s_td1[256]; __local u32 s_td2[256]; __local u32 s_td3[256]; __local u32 s_td4[256]; __local u32 s_te0[256]; __local u32 s_te1[256]; __local u32 s_te2[256]; __local u32 s_te3[256]; __local u32 s_te4[256]; for (u32 i = lid; i < 256; i += lsz) { s_td0[i] = td0[i]; s_td1[i] = td1[i]; s_td2[i] = td2[i]; s_td3[i] = td3[i]; s_td4[i] = td4[i]; s_te0[i] = te0[i]; s_te1[i] = te1[i]; s_te2[i] = te2[i]; s_te3[i] = te3[i]; s_te4[i] = te4[i]; } barrier (CLK_LOCAL_MEM_FENCE); #else __constant u32a *s_td0 = td0; __constant u32a *s_td1 = td1; __constant u32a *s_td2 = td2; __constant u32a *s_td3 = td3; __constant u32a *s_td4 = td4; __constant u32a *s_te0 = te0; __constant u32a *s_te1 = te1; __constant u32a *s_te2 = te2; __constant u32a *s_te3 = te3; __constant u32a *s_te4 = te4; #endif if (gid >= gid_max) return; /** * aes */ u32 ukey[8]; ukey[0] = tmps[gid].out[0]; ukey[1] = tmps[gid].out[1]; ukey[2] = tmps[gid].out[2]; ukey[3] = tmps[gid].out[3]; ukey[4] = tmps[gid].out[4]; ukey[5] = tmps[gid].out[5]; ukey[6] = tmps[gid].out[6]; ukey[7] = tmps[gid].out[7]; #define KEYLEN 60 u32 ks[KEYLEN]; AES256_set_decrypt_key (ks, ukey, s_te0, s_te1, s_te2, s_te3, s_te4, s_td0, s_td1, s_td2, s_td3, s_td4); u32 iv[4]; iv[0] = swap32_S (esalt_bufs[digests_offset].masterkey_blob[16]); iv[1] = swap32_S (esalt_bufs[digests_offset].masterkey_blob[17]); iv[2] = swap32_S (esalt_bufs[digests_offset].masterkey_blob[18]); iv[3] = swap32_S (esalt_bufs[digests_offset].masterkey_blob[19]); u32 ct[4]; ct[0] = swap32_S (esalt_bufs[digests_offset].masterkey_blob[20]); ct[1] = swap32_S (esalt_bufs[digests_offset].masterkey_blob[21]); ct[2] = swap32_S (esalt_bufs[digests_offset].masterkey_blob[22]); ct[3] = swap32_S (esalt_bufs[digests_offset].masterkey_blob[23]); u32 pt[4]; AES256_decrypt (ks, ct, pt, s_td0, s_td1, s_td2, s_td3, s_td4); pt[0] ^= iv[0]; pt[1] ^= iv[1]; pt[2] ^= iv[2]; pt[3] ^= iv[3]; if ((pt[2] == 0x0d0d0d0d) && (pt[3] == 0x0d0d0d0d)) { if (atomic_inc (&hashes_shown[digests_offset]) == 0) { mark_hash (plains_buf, d_return_buf, salt_pos, digests_cnt, 0, digests_offset + 0, gid, 0, 0, 0); } } }