| Index: core/src/fdrm/crypto/fx_crypt.cpp
|
| diff --git a/core/src/fdrm/crypto/fx_crypt.cpp b/core/src/fdrm/crypto/fx_crypt.cpp
|
| deleted file mode 100644
|
| index c1016cdcd97a7ff4db6eae6ef5c8de500e004042..0000000000000000000000000000000000000000
|
| --- a/core/src/fdrm/crypto/fx_crypt.cpp
|
| +++ /dev/null
|
| @@ -1,260 +0,0 @@
|
| -// Copyright 2014 PDFium Authors. All rights reserved.
|
| -// Use of this source code is governed by a BSD-style license that can be
|
| -// found in the LICENSE file.
|
| -
|
| -// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
|
| -
|
| -#include "core/include/fdrm/fx_crypt.h"
|
| -
|
| -#ifdef __cplusplus
|
| -extern "C" {
|
| -#endif
|
| -struct rc4_state {
|
| - int x, y, m[256];
|
| -};
|
| -void CRYPT_ArcFourSetup(void* context, const uint8_t* key, FX_DWORD length) {
|
| - rc4_state* s = (rc4_state*)context;
|
| - int i, j, k, *m, a;
|
| - s->x = 0;
|
| - s->y = 0;
|
| - m = s->m;
|
| - for (i = 0; i < 256; i++) {
|
| - m[i] = i;
|
| - }
|
| - j = k = 0;
|
| - for (i = 0; i < 256; i++) {
|
| - a = m[i];
|
| - j = (j + a + key[k]) & 0xFF;
|
| - m[i] = m[j];
|
| - m[j] = a;
|
| - if (++k >= (int)length) {
|
| - k = 0;
|
| - }
|
| - }
|
| -}
|
| -void CRYPT_ArcFourCrypt(void* context, unsigned char* data, FX_DWORD length) {
|
| - struct rc4_state* s = (struct rc4_state*)context;
|
| - int i, x, y, *m, a, b;
|
| - x = s->x;
|
| - y = s->y;
|
| - m = s->m;
|
| - for (i = 0; i < (int)length; i++) {
|
| - x = (x + 1) & 0xFF;
|
| - a = m[x];
|
| - y = (y + a) & 0xFF;
|
| - m[x] = b = m[y];
|
| - m[y] = a;
|
| - data[i] ^= m[(a + b) & 0xFF];
|
| - }
|
| - s->x = x;
|
| - s->y = y;
|
| -}
|
| -void CRYPT_ArcFourCryptBlock(uint8_t* pData,
|
| - FX_DWORD size,
|
| - const uint8_t* key,
|
| - FX_DWORD keylen) {
|
| - rc4_state s;
|
| - CRYPT_ArcFourSetup(&s, key, keylen);
|
| - CRYPT_ArcFourCrypt(&s, pData, size);
|
| -}
|
| -struct md5_context {
|
| - FX_DWORD total[2];
|
| - FX_DWORD state[4];
|
| - uint8_t buffer[64];
|
| -};
|
| -#define GET_FX_DWORD(n, b, i) \
|
| - { \
|
| - (n) = (FX_DWORD)((uint8_t*)b)[(i)] | \
|
| - (((FX_DWORD)((uint8_t*)b)[(i) + 1]) << 8) | \
|
| - (((FX_DWORD)((uint8_t*)b)[(i) + 2]) << 16) | \
|
| - (((FX_DWORD)((uint8_t*)b)[(i) + 3]) << 24); \
|
| - }
|
| -#define PUT_FX_DWORD(n, b, i) \
|
| - { \
|
| - (((uint8_t*)b)[(i)]) = (uint8_t)(((n)) & 0xFF); \
|
| - (((uint8_t*)b)[(i) + 1]) = (uint8_t)(((n) >> 8) & 0xFF); \
|
| - (((uint8_t*)b)[(i) + 2]) = (uint8_t)(((n) >> 16) & 0xFF); \
|
| - (((uint8_t*)b)[(i) + 3]) = (uint8_t)(((n) >> 24) & 0xFF); \
|
| - }
|
| -void md5_process(struct md5_context* ctx, const uint8_t data[64]) {
|
| - FX_DWORD A, B, C, D, X[16];
|
| - GET_FX_DWORD(X[0], data, 0);
|
| - GET_FX_DWORD(X[1], data, 4);
|
| - GET_FX_DWORD(X[2], data, 8);
|
| - GET_FX_DWORD(X[3], data, 12);
|
| - GET_FX_DWORD(X[4], data, 16);
|
| - GET_FX_DWORD(X[5], data, 20);
|
| - GET_FX_DWORD(X[6], data, 24);
|
| - GET_FX_DWORD(X[7], data, 28);
|
| - GET_FX_DWORD(X[8], data, 32);
|
| - GET_FX_DWORD(X[9], data, 36);
|
| - GET_FX_DWORD(X[10], data, 40);
|
| - GET_FX_DWORD(X[11], data, 44);
|
| - GET_FX_DWORD(X[12], data, 48);
|
| - GET_FX_DWORD(X[13], data, 52);
|
| - GET_FX_DWORD(X[14], data, 56);
|
| - GET_FX_DWORD(X[15], data, 60);
|
| -#define S(x, n) ((x << n) | ((x & 0xFFFFFFFF) >> (32 - n)))
|
| -#define P(a, b, c, d, k, s, t) \
|
| - { \
|
| - a += F(b, c, d) + X[k] + t; \
|
| - a = S(a, s) + b; \
|
| - }
|
| - A = ctx->state[0];
|
| - B = ctx->state[1];
|
| - C = ctx->state[2];
|
| - D = ctx->state[3];
|
| -#define F(x, y, z) (z ^ (x & (y ^ z)))
|
| - P(A, B, C, D, 0, 7, 0xD76AA478);
|
| - P(D, A, B, C, 1, 12, 0xE8C7B756);
|
| - P(C, D, A, B, 2, 17, 0x242070DB);
|
| - P(B, C, D, A, 3, 22, 0xC1BDCEEE);
|
| - P(A, B, C, D, 4, 7, 0xF57C0FAF);
|
| - P(D, A, B, C, 5, 12, 0x4787C62A);
|
| - P(C, D, A, B, 6, 17, 0xA8304613);
|
| - P(B, C, D, A, 7, 22, 0xFD469501);
|
| - P(A, B, C, D, 8, 7, 0x698098D8);
|
| - P(D, A, B, C, 9, 12, 0x8B44F7AF);
|
| - P(C, D, A, B, 10, 17, 0xFFFF5BB1);
|
| - P(B, C, D, A, 11, 22, 0x895CD7BE);
|
| - P(A, B, C, D, 12, 7, 0x6B901122);
|
| - P(D, A, B, C, 13, 12, 0xFD987193);
|
| - P(C, D, A, B, 14, 17, 0xA679438E);
|
| - P(B, C, D, A, 15, 22, 0x49B40821);
|
| -#undef F
|
| -#define F(x, y, z) (y ^ (z & (x ^ y)))
|
| - P(A, B, C, D, 1, 5, 0xF61E2562);
|
| - P(D, A, B, C, 6, 9, 0xC040B340);
|
| - P(C, D, A, B, 11, 14, 0x265E5A51);
|
| - P(B, C, D, A, 0, 20, 0xE9B6C7AA);
|
| - P(A, B, C, D, 5, 5, 0xD62F105D);
|
| - P(D, A, B, C, 10, 9, 0x02441453);
|
| - P(C, D, A, B, 15, 14, 0xD8A1E681);
|
| - P(B, C, D, A, 4, 20, 0xE7D3FBC8);
|
| - P(A, B, C, D, 9, 5, 0x21E1CDE6);
|
| - P(D, A, B, C, 14, 9, 0xC33707D6);
|
| - P(C, D, A, B, 3, 14, 0xF4D50D87);
|
| - P(B, C, D, A, 8, 20, 0x455A14ED);
|
| - P(A, B, C, D, 13, 5, 0xA9E3E905);
|
| - P(D, A, B, C, 2, 9, 0xFCEFA3F8);
|
| - P(C, D, A, B, 7, 14, 0x676F02D9);
|
| - P(B, C, D, A, 12, 20, 0x8D2A4C8A);
|
| -#undef F
|
| -#define F(x, y, z) (x ^ y ^ z)
|
| - P(A, B, C, D, 5, 4, 0xFFFA3942);
|
| - P(D, A, B, C, 8, 11, 0x8771F681);
|
| - P(C, D, A, B, 11, 16, 0x6D9D6122);
|
| - P(B, C, D, A, 14, 23, 0xFDE5380C);
|
| - P(A, B, C, D, 1, 4, 0xA4BEEA44);
|
| - P(D, A, B, C, 4, 11, 0x4BDECFA9);
|
| - P(C, D, A, B, 7, 16, 0xF6BB4B60);
|
| - P(B, C, D, A, 10, 23, 0xBEBFBC70);
|
| - P(A, B, C, D, 13, 4, 0x289B7EC6);
|
| - P(D, A, B, C, 0, 11, 0xEAA127FA);
|
| - P(C, D, A, B, 3, 16, 0xD4EF3085);
|
| - P(B, C, D, A, 6, 23, 0x04881D05);
|
| - P(A, B, C, D, 9, 4, 0xD9D4D039);
|
| - P(D, A, B, C, 12, 11, 0xE6DB99E5);
|
| - P(C, D, A, B, 15, 16, 0x1FA27CF8);
|
| - P(B, C, D, A, 2, 23, 0xC4AC5665);
|
| -#undef F
|
| -#define F(x, y, z) (y ^ (x | ~z))
|
| - P(A, B, C, D, 0, 6, 0xF4292244);
|
| - P(D, A, B, C, 7, 10, 0x432AFF97);
|
| - P(C, D, A, B, 14, 15, 0xAB9423A7);
|
| - P(B, C, D, A, 5, 21, 0xFC93A039);
|
| - P(A, B, C, D, 12, 6, 0x655B59C3);
|
| - P(D, A, B, C, 3, 10, 0x8F0CCC92);
|
| - P(C, D, A, B, 10, 15, 0xFFEFF47D);
|
| - P(B, C, D, A, 1, 21, 0x85845DD1);
|
| - P(A, B, C, D, 8, 6, 0x6FA87E4F);
|
| - P(D, A, B, C, 15, 10, 0xFE2CE6E0);
|
| - P(C, D, A, B, 6, 15, 0xA3014314);
|
| - P(B, C, D, A, 13, 21, 0x4E0811A1);
|
| - P(A, B, C, D, 4, 6, 0xF7537E82);
|
| - P(D, A, B, C, 11, 10, 0xBD3AF235);
|
| - P(C, D, A, B, 2, 15, 0x2AD7D2BB);
|
| - P(B, C, D, A, 9, 21, 0xEB86D391);
|
| -#undef F
|
| - ctx->state[0] += A;
|
| - ctx->state[1] += B;
|
| - ctx->state[2] += C;
|
| - ctx->state[3] += D;
|
| -}
|
| -void CRYPT_MD5Start(void* context) {
|
| - struct md5_context* ctx = (struct md5_context*)context;
|
| - ctx->total[0] = 0;
|
| - ctx->total[1] = 0;
|
| - ctx->state[0] = 0x67452301;
|
| - ctx->state[1] = 0xEFCDAB89;
|
| - ctx->state[2] = 0x98BADCFE;
|
| - ctx->state[3] = 0x10325476;
|
| -}
|
| -void CRYPT_MD5Update(void* pctx, const uint8_t* input, FX_DWORD length) {
|
| - struct md5_context* ctx = (struct md5_context*)pctx;
|
| - FX_DWORD left, fill;
|
| - if (!length) {
|
| - return;
|
| - }
|
| - left = (ctx->total[0] >> 3) & 0x3F;
|
| - fill = 64 - left;
|
| - ctx->total[0] += length << 3;
|
| - ctx->total[1] += length >> 29;
|
| - ctx->total[0] &= 0xFFFFFFFF;
|
| - ctx->total[1] += ctx->total[0] < length << 3;
|
| - if (left && length >= fill) {
|
| - FXSYS_memcpy((void*)(ctx->buffer + left), (void*)input, fill);
|
| - md5_process(ctx, ctx->buffer);
|
| - length -= fill;
|
| - input += fill;
|
| - left = 0;
|
| - }
|
| - while (length >= 64) {
|
| - md5_process(ctx, input);
|
| - length -= 64;
|
| - input += 64;
|
| - }
|
| - if (length) {
|
| - FXSYS_memcpy((void*)(ctx->buffer + left), (void*)input, length);
|
| - }
|
| -}
|
| -const uint8_t md5_padding[64] = {
|
| - 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
| - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
| - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
|
| -void CRYPT_MD5Finish(void* pctx, uint8_t digest[16]) {
|
| - struct md5_context* ctx = (struct md5_context*)pctx;
|
| - FX_DWORD last, padn;
|
| - uint8_t msglen[8];
|
| - PUT_FX_DWORD(ctx->total[0], msglen, 0);
|
| - PUT_FX_DWORD(ctx->total[1], msglen, 4);
|
| - last = (ctx->total[0] >> 3) & 0x3F;
|
| - padn = (last < 56) ? (56 - last) : (120 - last);
|
| - CRYPT_MD5Update(ctx, md5_padding, padn);
|
| - CRYPT_MD5Update(ctx, msglen, 8);
|
| - PUT_FX_DWORD(ctx->state[0], digest, 0);
|
| - PUT_FX_DWORD(ctx->state[1], digest, 4);
|
| - PUT_FX_DWORD(ctx->state[2], digest, 8);
|
| - PUT_FX_DWORD(ctx->state[3], digest, 12);
|
| -}
|
| -void CRYPT_MD5Generate(const uint8_t* input,
|
| - FX_DWORD length,
|
| - uint8_t digest[16]) {
|
| - md5_context ctx;
|
| - CRYPT_MD5Start(&ctx);
|
| - CRYPT_MD5Update(&ctx, input, length);
|
| - CRYPT_MD5Finish(&ctx, digest);
|
| -}
|
| -static FX_BOOL (*g_PubKeyDecryptor)(const uint8_t* pData,
|
| - FX_DWORD size,
|
| - uint8_t* data_buf,
|
| - FX_DWORD& data_len) = NULL;
|
| -void CRYPT_SetPubKeyDecryptor(FX_BOOL (*func)(const uint8_t* pData,
|
| - FX_DWORD size,
|
| - uint8_t* data_buf,
|
| - FX_DWORD& data_len)) {
|
| - g_PubKeyDecryptor = func;
|
| -}
|
| -#ifdef __cplusplus
|
| -};
|
| -#endif
|
|
|