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Diffstat (limited to 'Build/source/libs/xpdf/xpdf-src/xpdf/Decrypt.cc')
-rw-r--r--Build/source/libs/xpdf/xpdf-src/xpdf/Decrypt.cc96
1 files changed, 53 insertions, 43 deletions
diff --git a/Build/source/libs/xpdf/xpdf-src/xpdf/Decrypt.cc b/Build/source/libs/xpdf/xpdf-src/xpdf/Decrypt.cc
index bf0bfb7007c..2d28399d655 100644
--- a/Build/source/libs/xpdf/xpdf-src/xpdf/Decrypt.cc
+++ b/Build/source/libs/xpdf/xpdf-src/xpdf/Decrypt.cc
@@ -14,6 +14,7 @@
#include <string.h>
#include "gmem.h"
+#include "gmempp.h"
#include "Decrypt.h"
static void aes256KeyExpansion(DecryptAES256State *s,
@@ -328,14 +329,18 @@ GBool Decrypt::makeFileKey2(int encVersion, int encRevision, int keyLength,
// DecryptStream
//------------------------------------------------------------------------
-DecryptStream::DecryptStream(Stream *strA, Guchar *fileKey,
- CryptAlgorithm algoA, int keyLength,
- int objNum, int objGen):
+DecryptStream::DecryptStream(Stream *strA, Guchar *fileKeyA,
+ CryptAlgorithm algoA, int keyLengthA,
+ int objNumA, int objGenA):
FilterStream(strA)
{
int i;
+ memcpy(fileKey, fileKeyA, keyLengthA);
algo = algoA;
+ keyLength = keyLengthA;
+ objNum = objNumA;
+ objGen = objGenA;
// construct object key
for (i = 0; i < keyLength; ++i) {
@@ -378,6 +383,11 @@ DecryptStream::~DecryptStream() {
delete str;
}
+Stream *DecryptStream::copy() {
+ return new DecryptStream(str->copy(), fileKey, algo, keyLength,
+ objNum, objGen);
+}
+
void DecryptStream::reset() {
str->reset();
switch (algo) {
@@ -1349,46 +1359,46 @@ static void sha256(Guchar *msg, int msgLen, Guchar *hash) {
typedef unsigned long long SHA512Uint64;
static SHA512Uint64 sha512K[80] = {
- 0x428a2f98d728ae22LL, 0x7137449123ef65cdLL,
- 0xb5c0fbcfec4d3b2fLL, 0xe9b5dba58189dbbcLL,
- 0x3956c25bf348b538LL, 0x59f111f1b605d019LL,
- 0x923f82a4af194f9bLL, 0xab1c5ed5da6d8118LL,
- 0xd807aa98a3030242LL, 0x12835b0145706fbeLL,
- 0x243185be4ee4b28cLL, 0x550c7dc3d5ffb4e2LL,
- 0x72be5d74f27b896fLL, 0x80deb1fe3b1696b1LL,
- 0x9bdc06a725c71235LL, 0xc19bf174cf692694LL,
- 0xe49b69c19ef14ad2LL, 0xefbe4786384f25e3LL,
- 0x0fc19dc68b8cd5b5LL, 0x240ca1cc77ac9c65LL,
- 0x2de92c6f592b0275LL, 0x4a7484aa6ea6e483LL,
- 0x5cb0a9dcbd41fbd4LL, 0x76f988da831153b5LL,
- 0x983e5152ee66dfabLL, 0xa831c66d2db43210LL,
- 0xb00327c898fb213fLL, 0xbf597fc7beef0ee4LL,
- 0xc6e00bf33da88fc2LL, 0xd5a79147930aa725LL,
- 0x06ca6351e003826fLL, 0x142929670a0e6e70LL,
- 0x27b70a8546d22ffcLL, 0x2e1b21385c26c926LL,
- 0x4d2c6dfc5ac42aedLL, 0x53380d139d95b3dfLL,
- 0x650a73548baf63deLL, 0x766a0abb3c77b2a8LL,
- 0x81c2c92e47edaee6LL, 0x92722c851482353bLL,
- 0xa2bfe8a14cf10364LL, 0xa81a664bbc423001LL,
- 0xc24b8b70d0f89791LL, 0xc76c51a30654be30LL,
- 0xd192e819d6ef5218LL, 0xd69906245565a910LL,
- 0xf40e35855771202aLL, 0x106aa07032bbd1b8LL,
- 0x19a4c116b8d2d0c8LL, 0x1e376c085141ab53LL,
- 0x2748774cdf8eeb99LL, 0x34b0bcb5e19b48a8LL,
- 0x391c0cb3c5c95a63LL, 0x4ed8aa4ae3418acbLL,
- 0x5b9cca4f7763e373LL, 0x682e6ff3d6b2b8a3LL,
- 0x748f82ee5defb2fcLL, 0x78a5636f43172f60LL,
- 0x84c87814a1f0ab72LL, 0x8cc702081a6439ecLL,
- 0x90befffa23631e28LL, 0xa4506cebde82bde9LL,
- 0xbef9a3f7b2c67915LL, 0xc67178f2e372532bLL,
- 0xca273eceea26619cLL, 0xd186b8c721c0c207LL,
- 0xeada7dd6cde0eb1eLL, 0xf57d4f7fee6ed178LL,
- 0x06f067aa72176fbaLL, 0x0a637dc5a2c898a6LL,
- 0x113f9804bef90daeLL, 0x1b710b35131c471bLL,
- 0x28db77f523047d84LL, 0x32caab7b40c72493LL,
- 0x3c9ebe0a15c9bebcLL, 0x431d67c49c100d4cLL,
- 0x4cc5d4becb3e42b6LL, 0x597f299cfc657e2aLL,
- 0x5fcb6fab3ad6faecLL, 0x6c44198c4a475817LL
+ 0x428a2f98d728ae22ULL, 0x7137449123ef65cdULL,
+ 0xb5c0fbcfec4d3b2fULL, 0xe9b5dba58189dbbcULL,
+ 0x3956c25bf348b538ULL, 0x59f111f1b605d019ULL,
+ 0x923f82a4af194f9bULL, 0xab1c5ed5da6d8118ULL,
+ 0xd807aa98a3030242ULL, 0x12835b0145706fbeULL,
+ 0x243185be4ee4b28cULL, 0x550c7dc3d5ffb4e2ULL,
+ 0x72be5d74f27b896fULL, 0x80deb1fe3b1696b1ULL,
+ 0x9bdc06a725c71235ULL, 0xc19bf174cf692694ULL,
+ 0xe49b69c19ef14ad2ULL, 0xefbe4786384f25e3ULL,
+ 0x0fc19dc68b8cd5b5ULL, 0x240ca1cc77ac9c65ULL,
+ 0x2de92c6f592b0275ULL, 0x4a7484aa6ea6e483ULL,
+ 0x5cb0a9dcbd41fbd4ULL, 0x76f988da831153b5ULL,
+ 0x983e5152ee66dfabULL, 0xa831c66d2db43210ULL,
+ 0xb00327c898fb213fULL, 0xbf597fc7beef0ee4ULL,
+ 0xc6e00bf33da88fc2ULL, 0xd5a79147930aa725ULL,
+ 0x06ca6351e003826fULL, 0x142929670a0e6e70ULL,
+ 0x27b70a8546d22ffcULL, 0x2e1b21385c26c926ULL,
+ 0x4d2c6dfc5ac42aedULL, 0x53380d139d95b3dfULL,
+ 0x650a73548baf63deULL, 0x766a0abb3c77b2a8ULL,
+ 0x81c2c92e47edaee6ULL, 0x92722c851482353bULL,
+ 0xa2bfe8a14cf10364ULL, 0xa81a664bbc423001ULL,
+ 0xc24b8b70d0f89791ULL, 0xc76c51a30654be30ULL,
+ 0xd192e819d6ef5218ULL, 0xd69906245565a910ULL,
+ 0xf40e35855771202aULL, 0x106aa07032bbd1b8ULL,
+ 0x19a4c116b8d2d0c8ULL, 0x1e376c085141ab53ULL,
+ 0x2748774cdf8eeb99ULL, 0x34b0bcb5e19b48a8ULL,
+ 0x391c0cb3c5c95a63ULL, 0x4ed8aa4ae3418acbULL,
+ 0x5b9cca4f7763e373ULL, 0x682e6ff3d6b2b8a3ULL,
+ 0x748f82ee5defb2fcULL, 0x78a5636f43172f60ULL,
+ 0x84c87814a1f0ab72ULL, 0x8cc702081a6439ecULL,
+ 0x90befffa23631e28ULL, 0xa4506cebde82bde9ULL,
+ 0xbef9a3f7b2c67915ULL, 0xc67178f2e372532bULL,
+ 0xca273eceea26619cULL, 0xd186b8c721c0c207ULL,
+ 0xeada7dd6cde0eb1eULL, 0xf57d4f7fee6ed178ULL,
+ 0x06f067aa72176fbaULL, 0x0a637dc5a2c898a6ULL,
+ 0x113f9804bef90daeULL, 0x1b710b35131c471bULL,
+ 0x28db77f523047d84ULL, 0x32caab7b40c72493ULL,
+ 0x3c9ebe0a15c9bebcULL, 0x431d67c49c100d4cULL,
+ 0x4cc5d4becb3e42b6ULL, 0x597f299cfc657e2aULL,
+ 0x5fcb6fab3ad6faecULL, 0x6c44198c4a475817ULL
};
static inline SHA512Uint64 rotr64(SHA512Uint64 x, Guint n) {