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458 lines
11 KiB
458 lines
11 KiB
/**
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* Author......: See docs/credits.txt
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* License.....: MIT
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*/
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//#define NEW_SIMD_CODE
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#ifdef KERNEL_STATIC
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#include M2S(INCLUDE_PATH/inc_vendor.h)
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#include M2S(INCLUDE_PATH/inc_types.h)
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#include M2S(INCLUDE_PATH/inc_platform.cl)
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#include M2S(INCLUDE_PATH/inc_common.cl)
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#include M2S(INCLUDE_PATH/inc_simd.cl)
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#include M2S(INCLUDE_PATH/inc_hash_sha1.cl)
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#include M2S(INCLUDE_PATH/inc_cipher_aes.cl)
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#endif
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#define COMPARE_S M2S(INCLUDE_PATH/inc_comp_single.cl)
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#define COMPARE_M M2S(INCLUDE_PATH/inc_comp_multi.cl)
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typedef struct iphone_passcode_tmp
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{
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u32 key0[4]; // original key from pbkdf2
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u32 key1[4]; // original key from pbkdf2
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u32 iterated_key0[4]; // updated key from pbkdf2 with iterations
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u32 iterated_key1[4]; // updated key from pbkdf2 with iterations
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u32 iv[4]; // current iv
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} iphone_passcode_tmp_t;
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typedef struct iphone_passcode
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{
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u32 uidkey[4];
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u32 classkey1[10];
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} iphone_passcode_t;
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DECLSPEC void hmac_sha1_run_V (PRIVATE_AS u32x *w0, PRIVATE_AS u32x *w1, PRIVATE_AS u32x *w2, PRIVATE_AS u32x *w3, PRIVATE_AS u32x *ipad, PRIVATE_AS u32x *opad, PRIVATE_AS u32x *digest)
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{
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digest[0] = ipad[0];
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digest[1] = ipad[1];
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digest[2] = ipad[2];
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digest[3] = ipad[3];
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digest[4] = ipad[4];
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sha1_transform_vector (w0, w1, w2, w3, digest);
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w0[0] = digest[0];
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w0[1] = digest[1];
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w0[2] = digest[2];
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w0[3] = digest[3];
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w1[0] = digest[4];
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w1[1] = 0x80000000;
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w1[2] = 0;
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w1[3] = 0;
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w2[0] = 0;
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w2[1] = 0;
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w2[2] = 0;
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w2[3] = 0;
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w3[0] = 0;
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w3[1] = 0;
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w3[2] = 0;
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w3[3] = (64 + 20) * 8;
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digest[0] = opad[0];
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digest[1] = opad[1];
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digest[2] = opad[2];
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digest[3] = opad[3];
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digest[4] = opad[4];
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sha1_transform_vector (w0, w1, w2, w3, digest);
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}
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KERNEL_FQ void m26500_init (KERN_ATTR_TMPS_ESALT (iphone_passcode_tmp_t, iphone_passcode_t))
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{
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/**
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* base
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*/
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const u64 gid = get_global_id (0);
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if (gid >= GID_CNT) return;
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sha1_hmac_ctx_t sha1_hmac_ctx0;
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sha1_hmac_init_global_swap (&sha1_hmac_ctx0, pws[gid].i, pws[gid].pw_len);
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sha1_hmac_update_global (&sha1_hmac_ctx0, salt_bufs[SALT_POS_HOST].salt_buf, salt_bufs[SALT_POS_HOST].salt_len);
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// we can reuse context intermediate buffer values for pbkdf2
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sha1_hmac_ctx_t sha1_hmac_ctx1 = sha1_hmac_ctx0;
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sha1_hmac_ctx_t sha1_hmac_ctx2 = sha1_hmac_ctx0;
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u32 w0[4];
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u32 w1[4];
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u32 w2[4];
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u32 w3[4];
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w0[0] = 1;
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w0[1] = 0;
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w0[2] = 0;
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w0[3] = 0;
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w1[0] = 0;
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w1[1] = 0;
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w1[2] = 0;
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w1[3] = 0;
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w2[0] = 0;
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w2[1] = 0;
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w2[2] = 0;
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w2[3] = 0;
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w3[0] = 0;
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w3[1] = 0;
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w3[2] = 0;
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w3[3] = 0;
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sha1_hmac_update_64 (&sha1_hmac_ctx1, w0, w1, w2, w3, 4);
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sha1_hmac_final (&sha1_hmac_ctx1);
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w0[0] = 2;
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w0[1] = 0;
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w0[2] = 0;
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w0[3] = 0;
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w1[0] = 0;
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w1[1] = 0;
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w1[2] = 0;
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w1[3] = 0;
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w2[0] = 0;
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w2[1] = 0;
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w2[2] = 0;
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w2[3] = 0;
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w3[0] = 0;
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w3[1] = 0;
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w3[2] = 0;
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w3[3] = 0;
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sha1_hmac_update_64 (&sha1_hmac_ctx2, w0, w1, w2, w3, 4);
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sha1_hmac_final (&sha1_hmac_ctx2);
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// save
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tmps[gid].key0[0] = hc_swap32_S (sha1_hmac_ctx1.opad.h[0]);
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tmps[gid].key0[1] = hc_swap32_S (sha1_hmac_ctx1.opad.h[1]);
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tmps[gid].key0[2] = hc_swap32_S (sha1_hmac_ctx1.opad.h[2]);
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tmps[gid].key0[3] = hc_swap32_S (sha1_hmac_ctx1.opad.h[3]);
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tmps[gid].key1[0] = hc_swap32_S (sha1_hmac_ctx1.opad.h[4]);
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tmps[gid].key1[1] = hc_swap32_S (sha1_hmac_ctx2.opad.h[0]);
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tmps[gid].key1[2] = hc_swap32_S (sha1_hmac_ctx2.opad.h[1]);
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tmps[gid].key1[3] = hc_swap32_S (sha1_hmac_ctx2.opad.h[2]);
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tmps[gid].iterated_key0[0] = tmps[gid].key0[0];
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tmps[gid].iterated_key0[1] = tmps[gid].key0[1];
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tmps[gid].iterated_key0[2] = tmps[gid].key0[2];
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tmps[gid].iterated_key0[3] = tmps[gid].key0[3];
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tmps[gid].iterated_key1[0] = tmps[gid].key1[0];
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tmps[gid].iterated_key1[1] = tmps[gid].key1[1];
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tmps[gid].iterated_key1[2] = tmps[gid].key1[2];
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tmps[gid].iterated_key1[3] = tmps[gid].key1[3];
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tmps[gid].iv[0] = 0;
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tmps[gid].iv[1] = 0;
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tmps[gid].iv[2] = 0;
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tmps[gid].iv[3] = 0;
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}
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KERNEL_FQ void m26500_loop (KERN_ATTR_TMPS_ESALT (iphone_passcode_tmp_t, iphone_passcode_t))
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{
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const u64 gid = get_global_id (0);
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const u64 lid = get_local_id (0);
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const u64 lsz = get_local_size (0);
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/**
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* aes shared
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*/
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#ifdef REAL_SHM
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LOCAL_VK u32 s_te0[256];
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LOCAL_VK u32 s_te1[256];
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LOCAL_VK u32 s_te2[256];
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LOCAL_VK u32 s_te3[256];
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LOCAL_VK u32 s_te4[256];
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for (u32 i = lid; i < 256; i += lsz)
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{
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s_te0[i] = te0[i];
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s_te1[i] = te1[i];
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s_te2[i] = te2[i];
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s_te3[i] = te3[i];
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s_te4[i] = te4[i];
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}
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SYNC_THREADS ();
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#else
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CONSTANT_AS u32a *s_te0 = te0;
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CONSTANT_AS u32a *s_te1 = te1;
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CONSTANT_AS u32a *s_te2 = te2;
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CONSTANT_AS u32a *s_te3 = te3;
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CONSTANT_AS u32a *s_te4 = te4;
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#endif
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if (gid >= GID_CNT) return;
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// load stuff
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u32 key0[4];
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u32 key1[4];
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key0[0] = tmps[gid].key0[0];
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key0[1] = tmps[gid].key0[1];
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key0[2] = tmps[gid].key0[2];
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key0[3] = tmps[gid].key0[3];
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key1[0] = tmps[gid].key1[0];
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key1[1] = tmps[gid].key1[1];
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key1[2] = tmps[gid].key1[2];
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key1[3] = tmps[gid].key1[3];
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u32 iterated_key0[4];
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u32 iterated_key1[4];
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iterated_key0[0] = tmps[gid].iterated_key0[0];
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iterated_key0[1] = tmps[gid].iterated_key0[1];
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iterated_key0[2] = tmps[gid].iterated_key0[2];
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iterated_key0[3] = tmps[gid].iterated_key0[3];
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iterated_key1[0] = tmps[gid].iterated_key1[0];
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iterated_key1[1] = tmps[gid].iterated_key1[1];
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iterated_key1[2] = tmps[gid].iterated_key1[2];
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iterated_key1[3] = tmps[gid].iterated_key1[3];
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u32 iv[4];
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iv[0] = tmps[gid].iv[0];
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iv[1] = tmps[gid].iv[1];
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iv[2] = tmps[gid].iv[2];
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iv[3] = tmps[gid].iv[3];
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u32 ukey[4];
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ukey[0] = esalt_bufs[DIGESTS_OFFSET_HOST].uidkey[0];
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ukey[1] = esalt_bufs[DIGESTS_OFFSET_HOST].uidkey[1];
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ukey[2] = esalt_bufs[DIGESTS_OFFSET_HOST].uidkey[2];
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ukey[3] = esalt_bufs[DIGESTS_OFFSET_HOST].uidkey[3];
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u32 ks[44];
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AES128_set_encrypt_key (ks, ukey, s_te0, s_te1, s_te2, s_te3);
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// here's what counts
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for (u32 i = 0, xorkey = LOOP_POS + 1; i < LOOP_CNT; i++, xorkey++)
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{
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u32 in[4];
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in[0] = key0[0] ^ iv[0] ^ xorkey;
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in[1] = key0[1] ^ iv[1] ^ xorkey;
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in[2] = key0[2] ^ iv[2] ^ xorkey;
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in[3] = key0[3] ^ iv[3] ^ xorkey;
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aes128_encrypt (ks, in, iv, s_te0, s_te1, s_te2, s_te3, s_te4);
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iterated_key0[0] ^= iv[0];
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iterated_key0[1] ^= iv[1];
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iterated_key0[2] ^= iv[2];
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iterated_key0[3] ^= iv[3];
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in[0] = key1[0] ^ iv[0] ^ xorkey;
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in[1] = key1[1] ^ iv[1] ^ xorkey;
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in[2] = key1[2] ^ iv[2] ^ xorkey;
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in[3] = key1[3] ^ iv[3] ^ xorkey;
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aes128_encrypt (ks, in, iv, s_te0, s_te1, s_te2, s_te3, s_te4);
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iterated_key1[0] ^= iv[0];
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iterated_key1[1] ^= iv[1];
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iterated_key1[2] ^= iv[2];
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iterated_key1[3] ^= iv[3];
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}
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tmps[gid].iterated_key0[0] = iterated_key0[0];
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tmps[gid].iterated_key0[1] = iterated_key0[1];
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tmps[gid].iterated_key0[2] = iterated_key0[2];
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tmps[gid].iterated_key0[3] = iterated_key0[3];
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tmps[gid].iterated_key1[0] = iterated_key1[0];
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tmps[gid].iterated_key1[1] = iterated_key1[1];
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tmps[gid].iterated_key1[2] = iterated_key1[2];
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tmps[gid].iterated_key1[3] = iterated_key1[3];
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tmps[gid].iv[0] = iv[0];
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tmps[gid].iv[1] = iv[1];
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tmps[gid].iv[2] = iv[2];
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tmps[gid].iv[3] = iv[3];
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}
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KERNEL_FQ void m26500_comp (KERN_ATTR_TMPS_ESALT (iphone_passcode_tmp_t, iphone_passcode_t))
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{
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const u64 gid = get_global_id (0);
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const u64 lid = get_local_id (0);
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const u64 lsz = get_local_size (0);
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/**
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* aes shared
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*/
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#ifdef REAL_SHM
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LOCAL_VK u32 s_td0[256];
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LOCAL_VK u32 s_td1[256];
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LOCAL_VK u32 s_td2[256];
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LOCAL_VK u32 s_td3[256];
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LOCAL_VK u32 s_td4[256];
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LOCAL_VK u32 s_te0[256];
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LOCAL_VK u32 s_te1[256];
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LOCAL_VK u32 s_te2[256];
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LOCAL_VK u32 s_te3[256];
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LOCAL_VK u32 s_te4[256];
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for (u32 i = lid; i < 256; i += lsz)
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{
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s_td0[i] = td0[i];
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s_td1[i] = td1[i];
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s_td2[i] = td2[i];
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s_td3[i] = td3[i];
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s_td4[i] = td4[i];
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s_te0[i] = te0[i];
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s_te1[i] = te1[i];
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s_te2[i] = te2[i];
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s_te3[i] = te3[i];
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s_te4[i] = te4[i];
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}
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SYNC_THREADS ();
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#else
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CONSTANT_AS u32a *s_td0 = td0;
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CONSTANT_AS u32a *s_td1 = td1;
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CONSTANT_AS u32a *s_td2 = td2;
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CONSTANT_AS u32a *s_td3 = td3;
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CONSTANT_AS u32a *s_td4 = td4;
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CONSTANT_AS u32a *s_te0 = te0;
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CONSTANT_AS u32a *s_te1 = te1;
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CONSTANT_AS u32a *s_te2 = te2;
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CONSTANT_AS u32a *s_te3 = te3;
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CONSTANT_AS u32a *s_te4 = te4;
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#endif
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if (gid >= GID_CNT) return;
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/**
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* aes
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*/
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u32 ukey[8];
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ukey[0] = tmps[gid].iterated_key0[0];
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ukey[1] = tmps[gid].iterated_key0[1];
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ukey[2] = tmps[gid].iterated_key0[2];
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ukey[3] = tmps[gid].iterated_key0[3];
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ukey[4] = tmps[gid].iterated_key1[0];
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ukey[5] = tmps[gid].iterated_key1[1];
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ukey[6] = tmps[gid].iterated_key1[2];
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ukey[7] = tmps[gid].iterated_key1[3];
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u32 ks[60];
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aes256_set_decrypt_key (ks, ukey, s_te0, s_te1, s_te2, s_te3, s_td0, s_td1, s_td2, s_td3);
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u32 cipher[4];
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cipher[0] = esalt_bufs[DIGESTS_OFFSET_HOST].classkey1[0];
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cipher[1] = esalt_bufs[DIGESTS_OFFSET_HOST].classkey1[1];
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cipher[2] = 0;
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cipher[3] = 0;
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u32 lsb[8];
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lsb[0] = esalt_bufs[DIGESTS_OFFSET_HOST].classkey1[8];
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lsb[1] = esalt_bufs[DIGESTS_OFFSET_HOST].classkey1[9];
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lsb[2] = esalt_bufs[DIGESTS_OFFSET_HOST].classkey1[6];
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lsb[3] = esalt_bufs[DIGESTS_OFFSET_HOST].classkey1[7];
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lsb[4] = esalt_bufs[DIGESTS_OFFSET_HOST].classkey1[4];
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lsb[5] = esalt_bufs[DIGESTS_OFFSET_HOST].classkey1[5];
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lsb[6] = esalt_bufs[DIGESTS_OFFSET_HOST].classkey1[2];
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lsb[7] = esalt_bufs[DIGESTS_OFFSET_HOST].classkey1[3];
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for (int j = 5; j >= 0; j--)
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{
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// 1st
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cipher[1] ^= (4 * j + 4);
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cipher[2] = lsb[0];
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cipher[3] = lsb[1];
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AES256_decrypt (ks, cipher, cipher, s_td0, s_td1, s_td2, s_td3, s_td4);
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lsb[0] = cipher[2];
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lsb[1] = cipher[3];
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// 2nd
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cipher[1] ^= (4 * j + 3);
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cipher[2] = lsb[2];
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cipher[3] = lsb[3];
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AES256_decrypt (ks, cipher, cipher, s_td0, s_td1, s_td2, s_td3, s_td4);
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lsb[2] = cipher[2];
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lsb[3] = cipher[3];
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// 3rd
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cipher[1] ^= (4 * j + 2);
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cipher[2] = lsb[4];
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cipher[3] = lsb[5];
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AES256_decrypt (ks, cipher, cipher, s_td0, s_td1, s_td2, s_td3, s_td4);
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lsb[4] = cipher[2];
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lsb[5] = cipher[3];
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// 4th
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cipher[1] ^= (4 * j + 1);
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cipher[2] = lsb[6];
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cipher[3] = lsb[7];
|
|
|
|
AES256_decrypt (ks, cipher, cipher, s_td0, s_td1, s_td2, s_td3, s_td4);
|
|
|
|
lsb[6] = cipher[2];
|
|
lsb[7] = cipher[3];
|
|
}
|
|
|
|
if ((cipher[0] == 0xa6a6a6a6) && (cipher[1] == 0xa6a6a6a6))
|
|
{
|
|
if (hc_atomic_inc (&hashes_shown[DIGESTS_OFFSET_HOST]) == 0)
|
|
{
|
|
mark_hash (plains_buf, d_return_buf, SALT_POS_HOST, DIGESTS_CNT, 0, DIGESTS_OFFSET_HOST + 0, gid, 0, 0, 0);
|
|
}
|
|
|
|
return;
|
|
}
|
|
}
|