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Added -m 24500 = Telegram Desktop >= v2.1.14 (PBKDF2-HMAC-SHA512)

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philsmd 2020-10-16 10:41:58 +02:00
parent 15bf8b7302
commit 038235f90f
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GPG Key ID: 4F25D016D9D6A8AF
6 changed files with 1230 additions and 2 deletions
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/**
* Author......: See docs/credits.txt
* License.....: MIT
*/
#define NEW_SIMD_CODE
#ifdef KERNEL_STATIC
#include "inc_vendor.h"
#include "inc_types.h"
#include "inc_platform.cl"
#include "inc_common.cl"
#include "inc_simd.cl"
#include "inc_hash_sha1.cl"
#include "inc_hash_sha512.cl"
#include "inc_cipher_aes.cl"
#endif
typedef struct telegram_tmp
{
u64 ipad[8];
u64 opad[8];
u64 dgst[24];
u64 out [24];
} telegram_tmp_t;
typedef struct telegram
{
u32 data[72];
} telegram_t;
DECLSPEC void hmac_sha512_run_V (u32x *w0, u32x *w1, u32x *w2, u32x *w3, u32x *w4, u32x *w5, u32x *w6, u32x *w7, u64x *ipad, u64x *opad, u64x *digest)
{
digest[0] = ipad[0];
digest[1] = ipad[1];
digest[2] = ipad[2];
digest[3] = ipad[3];
digest[4] = ipad[4];
digest[5] = ipad[5];
digest[6] = ipad[6];
digest[7] = ipad[7];
sha512_transform_vector (w0, w1, w2, w3, w4, w5, w6, w7, digest);
w0[0] = h32_from_64 (digest[0]);
w0[1] = l32_from_64 (digest[0]);
w0[2] = h32_from_64 (digest[1]);
w0[3] = l32_from_64 (digest[1]);
w1[0] = h32_from_64 (digest[2]);
w1[1] = l32_from_64 (digest[2]);
w1[2] = h32_from_64 (digest[3]);
w1[3] = l32_from_64 (digest[3]);
w2[0] = h32_from_64 (digest[4]);
w2[1] = l32_from_64 (digest[4]);
w2[2] = h32_from_64 (digest[5]);
w2[3] = l32_from_64 (digest[5]);
w3[0] = h32_from_64 (digest[6]);
w3[1] = l32_from_64 (digest[6]);
w3[2] = h32_from_64 (digest[7]);
w3[3] = l32_from_64 (digest[7]);
w4[0] = 0x80000000;
w4[1] = 0;
w4[2] = 0;
w4[3] = 0;
w5[0] = 0;
w5[1] = 0;
w5[2] = 0;
w5[3] = 0;
w6[0] = 0;
w6[1] = 0;
w6[2] = 0;
w6[3] = 0;
w7[0] = 0;
w7[1] = 0;
w7[2] = 0;
w7[3] = (128 + 64) * 8;
digest[0] = opad[0];
digest[1] = opad[1];
digest[2] = opad[2];
digest[3] = opad[3];
digest[4] = opad[4];
digest[5] = opad[5];
digest[6] = opad[6];
digest[7] = opad[7];
sha512_transform_vector (w0, w1, w2, w3, w4, w5, w6, w7, digest);
}
DECLSPEC void sha1_run (u32 *w, u32 *res)
{
u32 w0[4];
u32 w1[4];
u32 w2[4];
u32 w3[4];
w0[0] = w[ 0];
w0[1] = w[ 1];
w0[2] = w[ 2];
w0[3] = w[ 3];
w1[0] = w[ 4];
w1[1] = w[ 5];
w1[2] = w[ 6];
w1[3] = w[ 7];
w2[0] = w[ 8];
w2[1] = w[ 9];
w2[2] = w[10];
w2[3] = w[11];
w3[0] = 0x80000000;
w3[1] = 0;
w3[2] = 0;
w3[3] = 48 * 8;
u32 digest[5];
digest[0] = SHA1M_A;
digest[1] = SHA1M_B;
digest[2] = SHA1M_C;
digest[3] = SHA1M_D;
digest[4] = SHA1M_E;
sha1_transform (w0, w1, w2, w3, digest);
res[0] = digest[0];
res[1] = digest[1];
res[2] = digest[2];
res[3] = digest[3];
res[4] = digest[4];
}
KERNEL_FQ void m24500_init (KERN_ATTR_TMPS_ESALT (telegram_tmp_t, telegram_t))
{
/**
* base
*/
const u64 gid = get_global_id (0);
if (gid >= gid_max) return;
const u32 salt_len = salt_bufs[SALT_POS].salt_len; // 32
sha512_ctx_t sha512_ctx;
sha512_init (&sha512_ctx);
sha512_update_global (&sha512_ctx, salt_bufs[SALT_POS].salt_buf, salt_len);
sha512_update_global_swap (&sha512_ctx, pws[gid].i, pws[gid].pw_len);
sha512_update_global (&sha512_ctx, salt_bufs[SALT_POS].salt_buf, salt_len);
sha512_final (&sha512_ctx);
u32 w[32] = { 0 };
w[ 0] = h32_from_64_S (sha512_ctx.h[0]);
w[ 1] = l32_from_64_S (sha512_ctx.h[0]);
w[ 2] = h32_from_64_S (sha512_ctx.h[1]);
w[ 3] = l32_from_64_S (sha512_ctx.h[1]);
w[ 4] = h32_from_64_S (sha512_ctx.h[2]);
w[ 5] = l32_from_64_S (sha512_ctx.h[2]);
w[ 6] = h32_from_64_S (sha512_ctx.h[3]);
w[ 7] = l32_from_64_S (sha512_ctx.h[3]);
w[ 8] = h32_from_64_S (sha512_ctx.h[4]);
w[ 9] = l32_from_64_S (sha512_ctx.h[4]);
w[10] = h32_from_64_S (sha512_ctx.h[5]);
w[11] = l32_from_64_S (sha512_ctx.h[5]);
w[12] = h32_from_64_S (sha512_ctx.h[6]);
w[13] = l32_from_64_S (sha512_ctx.h[6]);
w[14] = h32_from_64_S (sha512_ctx.h[7]);
w[15] = l32_from_64_S (sha512_ctx.h[7]);
sha512_hmac_ctx_t sha512_hmac_ctx;
sha512_hmac_init (&sha512_hmac_ctx, w, 64);
tmps[gid].ipad[0] = sha512_hmac_ctx.ipad.h[0];
tmps[gid].ipad[1] = sha512_hmac_ctx.ipad.h[1];
tmps[gid].ipad[2] = sha512_hmac_ctx.ipad.h[2];
tmps[gid].ipad[3] = sha512_hmac_ctx.ipad.h[3];
tmps[gid].ipad[4] = sha512_hmac_ctx.ipad.h[4];
tmps[gid].ipad[5] = sha512_hmac_ctx.ipad.h[5];
tmps[gid].ipad[6] = sha512_hmac_ctx.ipad.h[6];
tmps[gid].ipad[7] = sha512_hmac_ctx.ipad.h[7];
tmps[gid].opad[0] = sha512_hmac_ctx.opad.h[0];
tmps[gid].opad[1] = sha512_hmac_ctx.opad.h[1];
tmps[gid].opad[2] = sha512_hmac_ctx.opad.h[2];
tmps[gid].opad[3] = sha512_hmac_ctx.opad.h[3];
tmps[gid].opad[4] = sha512_hmac_ctx.opad.h[4];
tmps[gid].opad[5] = sha512_hmac_ctx.opad.h[5];
tmps[gid].opad[6] = sha512_hmac_ctx.opad.h[6];
tmps[gid].opad[7] = sha512_hmac_ctx.opad.h[7];
sha512_hmac_update_global (&sha512_hmac_ctx, salt_bufs[SALT_POS].salt_buf, salt_bufs[SALT_POS].salt_len);
for (u32 i = 0, j = 1; i < 24; i += 8, j += 1)
{
sha512_hmac_ctx_t sha512_hmac_ctx2 = sha512_hmac_ctx;
u32 w0[4];
u32 w1[4];
u32 w2[4];
u32 w3[4];
u32 w4[4];
u32 w5[4];
u32 w6[4];
u32 w7[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;
w4[0] = 0;
w4[1] = 0;
w4[2] = 0;
w4[3] = 0;
w5[0] = 0;
w5[1] = 0;
w5[2] = 0;
w5[3] = 0;
w6[0] = 0;
w6[1] = 0;
w6[2] = 0;
w6[3] = 0;
w7[0] = 0;
w7[1] = 0;
w7[2] = 0;
w7[3] = 0;
sha512_hmac_update_128 (&sha512_hmac_ctx2, w0, w1, w2, w3, w4, w5, w6, w7, 4);
sha512_hmac_final (&sha512_hmac_ctx2);
tmps[gid].dgst[i + 0] = sha512_hmac_ctx2.opad.h[0];
tmps[gid].dgst[i + 1] = sha512_hmac_ctx2.opad.h[1];
tmps[gid].dgst[i + 2] = sha512_hmac_ctx2.opad.h[2];
tmps[gid].dgst[i + 3] = sha512_hmac_ctx2.opad.h[3];
tmps[gid].dgst[i + 4] = sha512_hmac_ctx2.opad.h[4];
tmps[gid].dgst[i + 5] = sha512_hmac_ctx2.opad.h[5];
tmps[gid].dgst[i + 6] = sha512_hmac_ctx2.opad.h[6];
tmps[gid].dgst[i + 7] = sha512_hmac_ctx2.opad.h[7];
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];
tmps[gid].out[i + 5] = tmps[gid].dgst[i + 5];
tmps[gid].out[i + 6] = tmps[gid].dgst[i + 6];
tmps[gid].out[i + 7] = tmps[gid].dgst[i + 7];
}
}
KERNEL_FQ void m24500_loop (KERN_ATTR_TMPS_ESALT (telegram_tmp_t, telegram_t))
{
const u64 gid = get_global_id (0);
if ((gid * VECT_SIZE) >= gid_max) return;
u64x ipad[8];
u64x opad[8];
ipad[0] = pack64v (tmps, ipad, gid, 0);
ipad[1] = pack64v (tmps, ipad, gid, 1);
ipad[2] = pack64v (tmps, ipad, gid, 2);
ipad[3] = pack64v (tmps, ipad, gid, 3);
ipad[4] = pack64v (tmps, ipad, gid, 4);
ipad[5] = pack64v (tmps, ipad, gid, 5);
ipad[6] = pack64v (tmps, ipad, gid, 6);
ipad[7] = pack64v (tmps, ipad, gid, 7);
opad[0] = pack64v (tmps, opad, gid, 0);
opad[1] = pack64v (tmps, opad, gid, 1);
opad[2] = pack64v (tmps, opad, gid, 2);
opad[3] = pack64v (tmps, opad, gid, 3);
opad[4] = pack64v (tmps, opad, gid, 4);
opad[5] = pack64v (tmps, opad, gid, 5);
opad[6] = pack64v (tmps, opad, gid, 6);
opad[7] = pack64v (tmps, opad, gid, 7);
for (u32 i = 0; i < 24; i += 8)
{
u64x dgst[8];
u64x out[8];
dgst[0] = pack64v (tmps, dgst, gid, i + 0);
dgst[1] = pack64v (tmps, dgst, gid, i + 1);
dgst[2] = pack64v (tmps, dgst, gid, i + 2);
dgst[3] = pack64v (tmps, dgst, gid, i + 3);
dgst[4] = pack64v (tmps, dgst, gid, i + 4);
dgst[5] = pack64v (tmps, dgst, gid, i + 5);
dgst[6] = pack64v (tmps, dgst, gid, i + 6);
dgst[7] = pack64v (tmps, dgst, gid, i + 7);
out[0] = pack64v (tmps, out, gid, i + 0);
out[1] = pack64v (tmps, out, gid, i + 1);
out[2] = pack64v (tmps, out, gid, i + 2);
out[3] = pack64v (tmps, out, gid, i + 3);
out[4] = pack64v (tmps, out, gid, i + 4);
out[5] = pack64v (tmps, out, gid, i + 5);
out[6] = pack64v (tmps, out, gid, i + 6);
out[7] = pack64v (tmps, out, gid, i + 7);
for (u32 j = 0; j < loop_cnt; j++)
{
u32x w0[4];
u32x w1[4];
u32x w2[4];
u32x w3[4];
u32x w4[4];
u32x w5[4];
u32x w6[4];
u32x w7[4];
w0[0] = h32_from_64 (dgst[0]);
w0[1] = l32_from_64 (dgst[0]);
w0[2] = h32_from_64 (dgst[1]);
w0[3] = l32_from_64 (dgst[1]);
w1[0] = h32_from_64 (dgst[2]);
w1[1] = l32_from_64 (dgst[2]);
w1[2] = h32_from_64 (dgst[3]);
w1[3] = l32_from_64 (dgst[3]);
w2[0] = h32_from_64 (dgst[4]);
w2[1] = l32_from_64 (dgst[4]);
w2[2] = h32_from_64 (dgst[5]);
w2[3] = l32_from_64 (dgst[5]);
w3[0] = h32_from_64 (dgst[6]);
w3[1] = l32_from_64 (dgst[6]);
w3[2] = h32_from_64 (dgst[7]);
w3[3] = l32_from_64 (dgst[7]);
w4[0] = 0x80000000;
w4[1] = 0;
w4[2] = 0;
w4[3] = 0;
w5[0] = 0;
w5[1] = 0;
w5[2] = 0;
w5[3] = 0;
w6[0] = 0;
w6[1] = 0;
w6[2] = 0;
w6[3] = 0;
w7[0] = 0;
w7[1] = 0;
w7[2] = 0;
w7[3] = (128 + 64) * 8;
hmac_sha512_run_V (w0, w1, w2, w3, w4, w5, w6, w7, ipad, opad, dgst);
out[0] ^= dgst[0];
out[1] ^= dgst[1];
out[2] ^= dgst[2];
out[3] ^= dgst[3];
out[4] ^= dgst[4];
out[5] ^= dgst[5];
out[6] ^= dgst[6];
out[7] ^= dgst[7];
}
unpack64v (tmps, dgst, gid, i + 0, dgst[0]);
unpack64v (tmps, dgst, gid, i + 1, dgst[1]);
unpack64v (tmps, dgst, gid, i + 2, dgst[2]);
unpack64v (tmps, dgst, gid, i + 3, dgst[3]);
unpack64v (tmps, dgst, gid, i + 4, dgst[4]);
unpack64v (tmps, dgst, gid, i + 5, dgst[5]);
unpack64v (tmps, dgst, gid, i + 6, dgst[6]);
unpack64v (tmps, dgst, gid, i + 7, dgst[7]);
unpack64v (tmps, out, gid, i + 0, out[0]);
unpack64v (tmps, out, gid, i + 1, out[1]);
unpack64v (tmps, out, gid, i + 2, out[2]);
unpack64v (tmps, out, gid, i + 3, out[3]);
unpack64v (tmps, out, gid, i + 4, out[4]);
unpack64v (tmps, out, gid, i + 5, out[5]);
unpack64v (tmps, out, gid, i + 6, out[6]);
unpack64v (tmps, out, gid, i + 7, out[7]);
}
}
KERNEL_FQ void m24500_comp (KERN_ATTR_TMPS_ESALT (telegram_tmp_t, telegram_t))
{
/**
* base
*/
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_VK u32 s_td0[256];
LOCAL_VK u32 s_td1[256];
LOCAL_VK u32 s_td2[256];
LOCAL_VK u32 s_td3[256];
LOCAL_VK u32 s_td4[256];
LOCAL_VK u32 s_te0[256];
LOCAL_VK u32 s_te1[256];
LOCAL_VK u32 s_te2[256];
LOCAL_VK u32 s_te3[256];
LOCAL_VK 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];
}
SYNC_THREADS ();
#else
CONSTANT_AS u32a *s_td0 = td0;
CONSTANT_AS u32a *s_td1 = td1;
CONSTANT_AS u32a *s_td2 = td2;
CONSTANT_AS u32a *s_td3 = td3;
CONSTANT_AS u32a *s_td4 = td4;
CONSTANT_AS u32a *s_te0 = te0;
CONSTANT_AS u32a *s_te1 = te1;
CONSTANT_AS u32a *s_te2 = te2;
CONSTANT_AS u32a *s_te3 = te3;
CONSTANT_AS u32a *s_te4 = te4;
#endif
if (gid >= gid_max) return;
u32 data_key[4];
data_key[0] = esalt_bufs[DIGESTS_OFFSET].data[0];
data_key[1] = esalt_bufs[DIGESTS_OFFSET].data[1];
data_key[2] = esalt_bufs[DIGESTS_OFFSET].data[2];
data_key[3] = esalt_bufs[DIGESTS_OFFSET].data[3];
u32 data_a[12];
u32 data_b[12];
u32 data_c[12];
u32 data_d[12];
data_a[ 0] = data_key[0];
data_a[ 1] = data_key[1];
data_a[ 2] = data_key[2];
data_a[ 3] = data_key[3];
data_b[ 4] = data_key[0];
data_b[ 5] = data_key[1];
data_b[ 6] = data_key[2];
data_b[ 7] = data_key[3];
data_c[ 8] = data_key[0];
data_c[ 9] = data_key[1];
data_c[10] = data_key[2];
data_c[11] = data_key[3];
data_d[ 0] = data_key[0];
data_d[ 1] = data_key[1];
data_d[ 2] = data_key[2];
data_d[ 3] = data_key[3];
data_a[ 4] = h32_from_64_S (tmps[gid].out[ 1]); // not a bug: out[0] is ignored
data_a[ 5] = l32_from_64_S (tmps[gid].out[ 1]);
data_a[ 6] = h32_from_64_S (tmps[gid].out[ 2]);
data_a[ 7] = l32_from_64_S (tmps[gid].out[ 2]);
data_a[ 8] = h32_from_64_S (tmps[gid].out[ 3]);
data_a[ 9] = l32_from_64_S (tmps[gid].out[ 3]);
data_a[10] = h32_from_64_S (tmps[gid].out[ 4]);
data_a[11] = l32_from_64_S (tmps[gid].out[ 4]);
data_b[ 0] = h32_from_64_S (tmps[gid].out[ 5]);
data_b[ 1] = l32_from_64_S (tmps[gid].out[ 5]);
data_b[ 2] = h32_from_64_S (tmps[gid].out[ 6]);
data_b[ 3] = l32_from_64_S (tmps[gid].out[ 6]);
data_b[ 8] = h32_from_64_S (tmps[gid].out[ 7]);
data_b[ 9] = l32_from_64_S (tmps[gid].out[ 7]);
data_b[10] = h32_from_64_S (tmps[gid].out[ 8]);
data_b[11] = l32_from_64_S (tmps[gid].out[ 8]);
data_c[ 0] = h32_from_64_S (tmps[gid].out[ 9]);
data_c[ 1] = l32_from_64_S (tmps[gid].out[ 9]);
data_c[ 2] = h32_from_64_S (tmps[gid].out[10]);
data_c[ 3] = l32_from_64_S (tmps[gid].out[10]);
data_c[ 4] = h32_from_64_S (tmps[gid].out[11]);
data_c[ 5] = l32_from_64_S (tmps[gid].out[11]);
data_c[ 6] = h32_from_64_S (tmps[gid].out[12]);
data_c[ 7] = l32_from_64_S (tmps[gid].out[12]);
data_d[ 4] = h32_from_64_S (tmps[gid].out[13]);
data_d[ 5] = l32_from_64_S (tmps[gid].out[13]);
data_d[ 6] = h32_from_64_S (tmps[gid].out[14]);
data_d[ 7] = l32_from_64_S (tmps[gid].out[14]);
data_d[ 8] = h32_from_64_S (tmps[gid].out[15]);
data_d[ 9] = l32_from_64_S (tmps[gid].out[15]);
data_d[10] = h32_from_64_S (tmps[gid].out[16]);
data_d[11] = l32_from_64_S (tmps[gid].out[16]);
// hash (SHA1 ()) the data_*:
u32 a[5];
sha1_run (data_a, a);
u32 b[5];
sha1_run (data_b, b);
u32 c[5];
sha1_run (data_c, c);
u32 d[5];
sha1_run (data_d, d);
// set up AES key and AES IV:
u32 key[8];
key[0] = a[0];
key[1] = a[1];
key[2] = b[2];
key[3] = b[3];
key[4] = b[4];
key[5] = c[1];
key[6] = c[2];
key[7] = c[3];
u32 iv[8];
iv[0] = a[2];
iv[1] = a[3];
iv[2] = a[4];
iv[3] = b[0];
iv[4] = b[1];
iv[5] = c[4];
iv[6] = d[0];
iv[7] = d[1];
// decrypt with AES-IGE:
#define KEYLEN 60
u32 ks[KEYLEN];
AES256_set_decrypt_key (ks, key, s_te0, s_te1, s_te2, s_te3, s_td0, s_td1, s_td2, s_td3);
u32 x_prev[4];
x_prev[0] = iv[0];
x_prev[1] = iv[1];
x_prev[2] = iv[2];
x_prev[3] = iv[3];
u32 y_prev[4];
y_prev[0] = iv[4];
y_prev[1] = iv[5];
y_prev[2] = iv[6];
y_prev[3] = iv[7];
u32 out[80] = { 0 }; // 64-byte aligned for SHA1
for (int i = 0; i < 68; i += 4)
{
u32 x[4];
x[0] = esalt_bufs[DIGESTS_OFFSET].data[4 + i];
x[1] = esalt_bufs[DIGESTS_OFFSET].data[5 + i];
x[2] = esalt_bufs[DIGESTS_OFFSET].data[6 + i];
x[3] = esalt_bufs[DIGESTS_OFFSET].data[7 + i];
u32 y[4];
y[0] = x[0] ^ y_prev[0];
y[1] = x[1] ^ y_prev[1];
y[2] = x[2] ^ y_prev[2];
y[3] = x[3] ^ y_prev[3];
u32 dec[4];
AES256_decrypt (ks, y, dec, s_td0, s_td1, s_td2, s_td3, s_td4);
y_prev[0] = dec[0] ^ x_prev[0];
y_prev[1] = dec[1] ^ x_prev[1];
y_prev[2] = dec[2] ^ x_prev[2];
y_prev[3] = dec[3] ^ x_prev[3];
out[i + 0] = y_prev[0];
out[i + 1] = y_prev[1];
out[i + 2] = y_prev[2];
out[i + 3] = y_prev[3];
x_prev[0] = x[0];
x_prev[1] = x[1];
x_prev[2] = x[2];
x_prev[3] = x[3];
}
// final SHA1 checksum of the decrypted data (out):
sha1_ctx_t ctx;
sha1_init (&ctx);
sha1_update (&ctx, out, 272);
sha1_final (&ctx);
const u32 r0 = ctx.h[0];
const u32 r1 = ctx.h[1];
const u32 r2 = ctx.h[2];
const u32 r3 = ctx.h[3];
// verify:
if (r0 == data_key[0] &&
r1 == data_key[1] &&
r2 == data_key[2] &&
r3 == data_key[3])
{
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);
}
}
}

1
docs/changes.txt
View File

@ -14,6 +14,7 @@
- Added hash-mode: RAR3-p (Uncompressed)
- Added hash-mode: RSA/DSA/EC/OPENSSH Private Keys
- Added hash-mode: sha1(sha1($pass).$salt)
- Added hash-mode: Telegram Desktop >= v2.1.14 (PBKDF2-HMAC-SHA512)
##
## Bugs

3
docs/readme.txt
View File

@ -160,7 +160,8 @@ NVIDIA GPUs require "NVIDIA Driver" (440.64 or later) and "CUDA Toolkit" (9.0 or
- NetNTLMv1 / NetNTLMv1+ESS
- NetNTLMv2
- Skype
- Telegram Desktop App Passcode (PBKDF2-HMAC-SHA1)
- Telegram Desktop < v2.1.14 (PBKDF2-HMAC-SHA1)
- Telegram Desktop >= v2.1.14 (PBKDF2-HMAC-SHA512)
- Telegram Mobile App Passcode (SHA256)
- PostgreSQL CRAM (MD5)
- MySQL CRAM (SHA1)

2
src/modules/module_22600.c
View File

@ -17,7 +17,7 @@ static const u32 DGST_POS2 = 2;
static const u32 DGST_POS3 = 3;
static const u32 DGST_SIZE = DGST_SIZE_4_4;
static const u32 HASH_CATEGORY = HASH_CATEGORY_NETWORK_PROTOCOL;
static const char *HASH_NAME = "Telegram Desktop App Passcode (PBKDF2-HMAC-SHA1)";
static const char *HASH_NAME = "Telegram Desktop < v2.1.14 (PBKDF2-HMAC-SHA1)";
static const u64 KERN_TYPE = 22600;
static const u32 OPTI_TYPE = OPTI_TYPE_ZERO_BYTE
| OPTI_TYPE_SLOW_HASH_SIMD_LOOP;

320
src/modules/module_24500.c Normal file
View File

@ -0,0 +1,320 @@
/**
* Author......: See docs/credits.txt
* License.....: MIT
*/
#include "common.h"
#include "types.h"
#include "modules.h"
#include "bitops.h"
#include "convert.h"
#include "shared.h"
static const u32 ATTACK_EXEC = ATTACK_EXEC_OUTSIDE_KERNEL;
static const u32 DGST_POS0 = 0;
static const u32 DGST_POS1 = 1;
static const u32 DGST_POS2 = 2;
static const u32 DGST_POS3 = 3;
static const u32 DGST_SIZE = DGST_SIZE_4_8;
static const u32 HASH_CATEGORY = HASH_CATEGORY_NETWORK_PROTOCOL;
static const char *HASH_NAME = "Telegram Desktop >= v2.1.14 (PBKDF2-HMAC-SHA512)";
static const u64 KERN_TYPE = 24500;
static const u32 OPTI_TYPE = OPTI_TYPE_ZERO_BYTE
| OPTI_TYPE_USES_BITS_64
| OPTI_TYPE_SLOW_HASH_SIMD_LOOP;
static const u64 OPTS_TYPE = OPTS_TYPE_PT_GENERATE_LE;
static const u32 SALT_TYPE = SALT_TYPE_EMBEDDED;
static const char *ST_PASS = "hashcat";
static const char *ST_HASH = "$telegram$2*100000*77461dcb457ce9539f8e4235d33bd12455b4a38446e63b52ecdf2e7b65af4476*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";
u32 module_attack_exec (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return ATTACK_EXEC; }
u32 module_dgst_pos0 (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return DGST_POS0; }
u32 module_dgst_pos1 (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return DGST_POS1; }
u32 module_dgst_pos2 (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return DGST_POS2; }
u32 module_dgst_pos3 (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return DGST_POS3; }
u32 module_dgst_size (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return DGST_SIZE; }
u32 module_hash_category (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return HASH_CATEGORY; }
const char *module_hash_name (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return HASH_NAME; }
u64 module_kern_type (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return KERN_TYPE; }
u32 module_opti_type (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return OPTI_TYPE; }
u64 module_opts_type (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return OPTS_TYPE; }
u32 module_salt_type (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return SALT_TYPE; }
const char *module_st_hash (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return ST_HASH; }
const char *module_st_pass (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return ST_PASS; }
typedef struct telegram_tmp
{
u64 ipad[8];
u64 opad[8];
u64 dgst[24];
u64 out [24];
} telegram_tmp_t;
typedef struct telegram
{
u32 data[72];
} telegram_t;
static const char *SIGNATURE_TELEGRAM = "$telegram$";
static const int DATA_LEN_TELEGRAM = 288;
static const int SALT_LEN_TELEGRAM = 32;
bool module_unstable_warning (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra, MAYBE_UNUSED const hc_device_param_t *device_param)
{
// amdgpu-pro-19.30-934563-ubuntu-18.04: password not found
if ((device_param->opencl_device_vendor_id == VENDOR_ID_AMD) && (device_param->has_vperm == false))
{
return true;
}
return false;
}
u64 module_esalt_size (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra)
{
const u64 esalt_size = (const u64) sizeof (telegram_t);
return esalt_size;
}
u64 module_tmp_size (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra)
{
const u64 tmp_size = (const u64) sizeof (telegram_tmp_t);
return tmp_size;
}
u32 module_pw_max (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra)
{
// this overrides the reductions of PW_MAX in case optimized kernel is selected
// IOW, even in optimized kernel mode it support length 256
const u32 pw_max = PW_MAX;
return pw_max;
}
int module_hash_decode (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED void *digest_buf, MAYBE_UNUSED salt_t *salt, MAYBE_UNUSED void *esalt_buf, MAYBE_UNUSED void *hook_salt_buf, MAYBE_UNUSED hashinfo_t *hash_info, const char *line_buf, MAYBE_UNUSED const int line_len)
{
u32 *digest = (u32 *) digest_buf;
telegram_t *telegram = (telegram_t *) esalt_buf;
token_t token;
token.token_cnt = 5;
token.signatures_cnt = 1;
token.signatures_buf[0] = SIGNATURE_TELEGRAM;
token.len[0] = 10;
token.attr[0] = TOKEN_ATTR_FIXED_LENGTH
| TOKEN_ATTR_VERIFY_SIGNATURE;
token.sep[1] = '*';
token.len_min[1] = 1;
token.len_max[1] = 1;
token.attr[1] = TOKEN_ATTR_VERIFY_LENGTH
| TOKEN_ATTR_VERIFY_DIGIT;
token.sep[2] = '*';
token.len_min[2] = 1;
token.len_max[2] = 6;
token.attr[2] = TOKEN_ATTR_VERIFY_LENGTH
| TOKEN_ATTR_VERIFY_DIGIT;
token.sep[3] = '*';
token.len_min[3] = 64;
token.len_max[3] = 64;
token.attr[3] = TOKEN_ATTR_VERIFY_LENGTH
| TOKEN_ATTR_VERIFY_HEX;
token.sep[4] = '*';
token.len_min[4] = DATA_LEN_TELEGRAM * 2;
token.len_max[4] = DATA_LEN_TELEGRAM * 2;
token.attr[4] = TOKEN_ATTR_VERIFY_LENGTH
| TOKEN_ATTR_VERIFY_HEX;
const int rc_tokenizer = input_tokenizer ((const u8 *) line_buf, line_len, &token);
if (rc_tokenizer != PARSER_OK) return (rc_tokenizer);
u8 version = token.buf[1][0];
if (version != '2') return (PARSER_SALT_VALUE);
// iter
const u8 *iter_pos = token.buf[2];
salt->salt_iter = hc_strtoul ((const char *) iter_pos, NULL, 10);
if (salt->salt_iter < 2) return (PARSER_SALT_ITERATION);
salt->salt_iter--;
// salt
const u8 *salt_pos = token.buf[3];
salt->salt_buf[0] = hex_to_u32 (salt_pos + 0);
salt->salt_buf[1] = hex_to_u32 (salt_pos + 8);
salt->salt_buf[2] = hex_to_u32 (salt_pos + 16);
salt->salt_buf[3] = hex_to_u32 (salt_pos + 24);
salt->salt_buf[4] = hex_to_u32 (salt_pos + 32);
salt->salt_buf[5] = hex_to_u32 (salt_pos + 40);
salt->salt_buf[6] = hex_to_u32 (salt_pos + 48);
salt->salt_buf[7] = hex_to_u32 (salt_pos + 56);
salt->salt_buf[0] = byte_swap_32 (salt->salt_buf[0]);
salt->salt_buf[1] = byte_swap_32 (salt->salt_buf[1]);
salt->salt_buf[2] = byte_swap_32 (salt->salt_buf[2]);
salt->salt_buf[3] = byte_swap_32 (salt->salt_buf[3]);
salt->salt_buf[4] = byte_swap_32 (salt->salt_buf[4]);
salt->salt_buf[5] = byte_swap_32 (salt->salt_buf[5]);
salt->salt_buf[6] = byte_swap_32 (salt->salt_buf[6]);
salt->salt_buf[7] = byte_swap_32 (salt->salt_buf[7]);
salt->salt_len = SALT_LEN_TELEGRAM;
// digest
const u8 *data_pos = token.buf[4];
digest[0] = hex_to_u32 (data_pos + 0);
digest[1] = hex_to_u32 (data_pos + 8);
digest[2] = hex_to_u32 (data_pos + 16);
digest[3] = hex_to_u32 (data_pos + 24);
// data
for (int i = 0, j = 0; i < DATA_LEN_TELEGRAM / 4; i += 1, j += 8)
{
telegram->data[i] = hex_to_u32 (data_pos + j);
telegram->data[i] = byte_swap_32 (telegram->data[i]);
}
return (PARSER_OK);
}
int module_hash_encode (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const void *digest_buf, MAYBE_UNUSED const salt_t *salt, MAYBE_UNUSED const void *esalt_buf, MAYBE_UNUSED const void *hook_salt_buf, MAYBE_UNUSED const hashinfo_t *hash_info, char *line_buf, MAYBE_UNUSED const int line_size)
{
const telegram_t *telegram = (const telegram_t *) esalt_buf;
// salt
#define SALT_BUF_LEN (SALT_LEN_TELEGRAM * 2 + 1)
char salt_buf[SALT_BUF_LEN];
memset (salt_buf, 0, SALT_BUF_LEN);
for (int i = 0, j = 0; i < SALT_LEN_TELEGRAM / 4; i += 1, j += 8)
{
snprintf (salt_buf + j, SALT_BUF_LEN - j, "%08x", salt->salt_buf[i]);
}
// data
#define DATA_BUF_LEN (DATA_LEN_TELEGRAM * 2 + 1)
char data[DATA_BUF_LEN];
memset (data, 0, DATA_BUF_LEN);
for (int i = 0, j = 0; i < DATA_LEN_TELEGRAM / 4; i += 1, j += 8)
{
snprintf (data + j, DATA_BUF_LEN - j, "%08x", telegram->data[i]);
}
// output
const int line_len = snprintf (line_buf, line_size, "%s%i*%i*%s*%s",
SIGNATURE_TELEGRAM,
2,
salt->salt_iter + 1,
salt_buf,
data);
return line_len;
}
void module_init (module_ctx_t *module_ctx)
{
module_ctx->module_context_size = MODULE_CONTEXT_SIZE_CURRENT;
module_ctx->module_interface_version = MODULE_INTERFACE_VERSION_CURRENT;
module_ctx->module_attack_exec = module_attack_exec;
module_ctx->module_benchmark_esalt = MODULE_DEFAULT;
module_ctx->module_benchmark_hook_salt = MODULE_DEFAULT;
module_ctx->module_benchmark_mask = MODULE_DEFAULT;
module_ctx->module_benchmark_salt = MODULE_DEFAULT;
module_ctx->module_build_plain_postprocess = MODULE_DEFAULT;
module_ctx->module_deep_comp_kernel = MODULE_DEFAULT;
module_ctx->module_dgst_pos0 = module_dgst_pos0;
module_ctx->module_dgst_pos1 = module_dgst_pos1;
module_ctx->module_dgst_pos2 = module_dgst_pos2;
module_ctx->module_dgst_pos3 = module_dgst_pos3;
module_ctx->module_dgst_size = module_dgst_size;
module_ctx->module_dictstat_disable = MODULE_DEFAULT;
module_ctx->module_esalt_size = module_esalt_size;
module_ctx->module_extra_buffer_size = MODULE_DEFAULT;
module_ctx->module_extra_tmp_size = MODULE_DEFAULT;
module_ctx->module_forced_outfile_format = MODULE_DEFAULT;
module_ctx->module_hash_binary_count = MODULE_DEFAULT;
module_ctx->module_hash_binary_parse = MODULE_DEFAULT;
module_ctx->module_hash_binary_save = MODULE_DEFAULT;
module_ctx->module_hash_decode_potfile = MODULE_DEFAULT;
module_ctx->module_hash_decode_zero_hash = MODULE_DEFAULT;
module_ctx->module_hash_decode = module_hash_decode;
module_ctx->module_hash_encode_status = MODULE_DEFAULT;
module_ctx->module_hash_encode_potfile = MODULE_DEFAULT;
module_ctx->module_hash_encode = module_hash_encode;
module_ctx->module_hash_init_selftest = MODULE_DEFAULT;
module_ctx->module_hash_mode = MODULE_DEFAULT;
module_ctx->module_hash_category = module_hash_category;
module_ctx->module_hash_name = module_hash_name;
module_ctx->module_hashes_count_min = MODULE_DEFAULT;
module_ctx->module_hashes_count_max = MODULE_DEFAULT;
module_ctx->module_hlfmt_disable = MODULE_DEFAULT;
module_ctx->module_hook_extra_param_size = MODULE_DEFAULT;
module_ctx->module_hook_extra_param_init = MODULE_DEFAULT;
module_ctx->module_hook_extra_param_term = MODULE_DEFAULT;
module_ctx->module_hook12 = MODULE_DEFAULT;
module_ctx->module_hook23 = MODULE_DEFAULT;
module_ctx->module_hook_salt_size = MODULE_DEFAULT;
module_ctx->module_hook_size = MODULE_DEFAULT;
module_ctx->module_jit_build_options = MODULE_DEFAULT;
module_ctx->module_jit_cache_disable = MODULE_DEFAULT;
module_ctx->module_kernel_accel_max = MODULE_DEFAULT;
module_ctx->module_kernel_accel_min = MODULE_DEFAULT;
module_ctx->module_kernel_loops_max = MODULE_DEFAULT;
module_ctx->module_kernel_loops_min = MODULE_DEFAULT;
module_ctx->module_kernel_threads_max = MODULE_DEFAULT;
module_ctx->module_kernel_threads_min = MODULE_DEFAULT;
module_ctx->module_kern_type = module_kern_type;
module_ctx->module_kern_type_dynamic = MODULE_DEFAULT;
module_ctx->module_opti_type = module_opti_type;
module_ctx->module_opts_type = module_opts_type;
module_ctx->module_outfile_check_disable = MODULE_DEFAULT;
module_ctx->module_outfile_check_nocomp = MODULE_DEFAULT;
module_ctx->module_potfile_custom_check = MODULE_DEFAULT;
module_ctx->module_potfile_disable = MODULE_DEFAULT;
module_ctx->module_potfile_keep_all_hashes = MODULE_DEFAULT;
module_ctx->module_pwdump_column = MODULE_DEFAULT;
module_ctx->module_pw_max = module_pw_max;
module_ctx->module_pw_min = MODULE_DEFAULT;
module_ctx->module_salt_max = MODULE_DEFAULT;
module_ctx->module_salt_min = MODULE_DEFAULT;
module_ctx->module_salt_type = module_salt_type;
module_ctx->module_separator = MODULE_DEFAULT;
module_ctx->module_st_hash = module_st_hash;
module_ctx->module_st_pass = module_st_pass;
module_ctx->module_tmp_size = module_tmp_size;
module_ctx->module_unstable_warning = module_unstable_warning;
module_ctx->module_warmup_disable = MODULE_DEFAULT;
}

252
tools/test_modules/m24500.pm Normal file
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@ -0,0 +1,252 @@
#!/usr/bin/env perl
##
## Author......: See docs/credits.txt
## License.....: MIT
##
use strict;
use warnings;
use Crypt::PBKDF2;
use Digest::SHA qw (sha1 sha512);
use Crypt::Mode::ECB;
sub module_constraints { [[0, 256], [32, 32], [-1, -1], [-1, -1], [-1, -1]] }
my $AES256_IGE_BLOCK_SIZE = 16;
#
# Helper functions:
#
sub exclusive_or
{
my $in1 = shift;
my $in2 = shift;
# MIN () function (should always be 16 for us):
# my $len = (length ($in1) <= length ($in2)) ? length ($in2) : length ($in1);
# padding if input not multiple of block size:
# $in1 .= "\x00" x ($AES256_IGE_BLOCK_SIZE - $len);
# $in2 .= "\x00" x ($AES256_IGE_BLOCK_SIZE - $len);
my $out = "";
for (my $i = 0; $i < $AES256_IGE_BLOCK_SIZE; $i++) # $i < $len
{
$out .= chr (ord (substr ($in1, $i, 1)) ^ ord (substr ($in2, $i, 1)));
}
return $out;
}
sub aes256_encrypt_ige
{
my $key = shift;
my $iv = shift;
my $in = shift;
my $x_prev = substr ($iv, $AES256_IGE_BLOCK_SIZE, $AES256_IGE_BLOCK_SIZE);
my $y_prev = substr ($iv, 0, $AES256_IGE_BLOCK_SIZE);
my $m = Crypt::Mode::ECB->new ('AES', 0);
my $out = "";
for (my $i = 0; $i < length ($in); $i += $AES256_IGE_BLOCK_SIZE)
{
my $x = substr ($in, $i, $AES256_IGE_BLOCK_SIZE);
my $y_xor = exclusive_or ($x, $y_prev);
my $y_final = $m->encrypt ($y_xor, $key);
# $y_final .= "\x00" x ($AES256_IGE_BLOCK_SIZE - length ($y_final));
my $y = exclusive_or ($y_final, $x_prev);
$x_prev = $x;
$y_prev = $y;
$out .= $y;
}
return $out;
}
sub aes256_decrypt_ige
{
my $key = shift;
my $iv = shift;
my $in = shift;
my $x_prev = substr ($iv, 0, $AES256_IGE_BLOCK_SIZE);
my $y_prev = substr ($iv, $AES256_IGE_BLOCK_SIZE, $AES256_IGE_BLOCK_SIZE);
my $m = Crypt::Mode::ECB->new ('AES', 0);
my $out = "";
for (my $i = 0; $i < length ($in); $i += $AES256_IGE_BLOCK_SIZE)
{
my $x = substr ($in, $i, $AES256_IGE_BLOCK_SIZE);
my $y_xor = exclusive_or ($x, $y_prev);
my $y_final = $m->decrypt ($y_xor, $key);
# $y_final .= "\x00" x ($AES256_IGE_BLOCK_SIZE - length ($y_final));
my $y = exclusive_or ($y_final, $x_prev);
$x_prev = $x;
$y_prev = $y;
$out .= $y;
}
return $out;
}
sub module_generate_hash
{
my $word = shift;
my $salt = shift;
my $iter = shift // 100000;
my $data = shift;
my $sha512_hash = sha512 ($salt . $word . $salt);
my $pbkdf = Crypt::PBKDF2->new
(
hasher => Crypt::PBKDF2->hasher_from_algorithm ('HMACSHA2', 512),
iterations => $iter,
output_len => 136
);
my $authkey = $pbkdf->PBKDF2 ($salt, $sha512_hash);
my $message = "";
my $message_key = "";
if (defined ($data))
{
$message = substr ($data, 16);
$message_key = substr ($data, 0, 16);
}
else
{
$message = random_bytes (272);
$message_key = substr (sha1 ($message), 0, 16);
}
my $data_a = "\x00" x 48;
my $data_b = "\x00" x 48;
my $data_c = "\x00" x 48;
my $data_d = "\x00" x 48;
substr ($data_a, 0, 16) = $message_key; # memcpy ()
substr ($data_b, 16, 16) = $message_key;
substr ($data_c, 32, 16) = $message_key;
substr ($data_d, 0, 16) = $message_key;
substr ($data_a, 16, 32) = substr ($authkey, 8, 32);
substr ($data_b, 0, 16) = substr ($authkey, 40, 16);
substr ($data_b, 32, 16) = substr ($authkey, 56, 16);
substr ($data_c, 0, 32) = substr ($authkey, 72, 32);
substr ($data_d, 16, 32) = substr ($authkey, 104, 32);
my $sha1_a = sha1 ($data_a);
my $sha1_b = sha1 ($data_b);
my $sha1_c = sha1 ($data_c);
my $sha1_d = sha1 ($data_d);
my $aes_key = substr ($sha1_a, 0, 8) . # 8 +
substr ($sha1_b, 8, 12) . # 12 +
substr ($sha1_c, 4, 12); # 12 = 32
my $aes_iv = substr ($sha1_a, 8, 12) . # 12 +
substr ($sha1_b, 0, 8) . # 8 +
substr ($sha1_c, 16, 4) . # 4 +
substr ($sha1_d, 0, 8); # 8 = 32
my $enc_data = "";
if (defined ($data))
{
# AES256 IGE decrypt:
my $dec_data = aes256_decrypt_ige ($aes_key, $aes_iv, $message);
my $h = substr (sha1 ($dec_data), 0, 16);
if ($h eq $message_key)
{
$enc_data = $data;
}
}
else
{
# AES256 IGE encrypt:
my $enc_random_data = aes256_encrypt_ige ($aes_key, $aes_iv, $message);
$enc_data = $message_key . $enc_random_data;
}
my $hash = sprintf ("\$telegram\$2*%i*%s*%s", $iter, unpack ("H*", $salt), unpack ("H*", $enc_data));
return $hash;
}
sub module_verify_hash
{
my $line = shift;
my $idx = index ($line, ':');
return if ($idx == -1);
my $hash = substr ($line, 0, $idx);
my $word = substr ($line, $idx + 1);
return unless defined $hash;
return unless defined $word;
my $signature = substr ($hash, 0, 10);
return unless ($signature eq "\$telegram\$");
my $version = substr ($hash, 10, 1);
return unless ($version eq "2");
my @split = split ('\*', $hash);
return unless (scalar (@split) == 4);
shift (@split);
my $iter = shift (@split);
my $salt = shift (@split);
my $data = shift (@split);
return unless length ($salt) == 64;
return unless length ($data) == 576;
return unless ($iter =~ /^[1-9][0-9]*$/);
return unless ($salt =~ /^[0-9a-fA-F]*$/);
return unless ($data =~ /^[0-9a-fA-F]*$/);
$salt = pack ("H*", $salt);
$data = pack ("H*", $data);
my $word_packed = pack_if_HEX_notation ($word);
my $new_hash = module_generate_hash ($word_packed, $salt, $iter, $data);
return ($new_hash, $word);
}
1;