akira
/
pdfjs-dist
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity
Browse Source

Changing the calculateMD5 function name (ref #523)

notmasteryet 14 years ago
parent
b82065ec4b
commit
c20b981f06
1 changed files with 5 additions and 5 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Unified View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 10
      crypto.js

10
crypto.js
Unescape View File

@ -45,7 +45,7 @@ var ARCFourCipher = (function aRCFourCipher() {
return constructor; return constructor;
})(); })();
var md5 = (function md5Md5() { var calculateMD5 = (function calculateMD5() {
var r = new Uint8Array([ var r = new Uint8Array([
7, 12, 17, 22, 7, 12, 17, 22, 7, 12, 17, 22, 7, 12, 17, 22, 7, 12, 17, 22, 7, 12, 17, 22, 7, 12, 17, 22, 7, 12, 17, 22,
5, 9, 14, 20, 5, 9, 14, 20, 5, 9, 14, 20, 5, 9, 14, 20, 5, 9, 14, 20, 5, 9, 14, 20, 5, 9, 14, 20, 5, 9, 14, 20,
@ -452,11 +452,11 @@ var CipherTransformFactory = (function cipherTransformFactory() {
hashData[i++] = 0xFF; hashData[i++] = 0xFF;
hashData[i++] = 0xFF; hashData[i++] = 0xFF;
} }
var hash = md5(hashData, 0, i); var hash = calculateMD5(hashData, 0, i);
var keyLengthInBytes = keyLength >> 3; var keyLengthInBytes = keyLength >> 3;
if (revision >= 3) { if (revision >= 3) {
for (j = 0; j < 50; ++j) { for (j = 0; j < 50; ++j) {
hash = md5(hash, 0, keyLengthInBytes); hash = calculateMD5(hash, 0, keyLengthInBytes);
} }
} }
var encryptionKey = hash.subarray(0, keyLengthInBytes); var encryptionKey = hash.subarray(0, keyLengthInBytes);
@ -469,7 +469,7 @@ var CipherTransformFactory = (function cipherTransformFactory() {
for (j = 0, n = fileId.length; j < n; ++j) for (j = 0, n = fileId.length; j < n; ++j)
hashData[i++] = fileId[j]; hashData[i++] = fileId[j];
cipher = new ARCFourCipher(encryptionKey); cipher = new ARCFourCipher(encryptionKey);
var checkData = cipher.encryptBlock(md5(hashData, 0, i)); var checkData = cipher.encryptBlock(calculateMD5(hashData, 0, i));
n = encryptionKey.length; n = encryptionKey.length;
var derrivedKey = new Uint8Array(n), k; var derrivedKey = new Uint8Array(n), k;
for (j = 1; j <= 19; ++j) { for (j = 1; j <= 19; ++j) {
@ -544,7 +544,7 @@ var CipherTransformFactory = (function cipherTransformFactory() {
key[i++] = 0x6C; key[i++] = 0x6C;
key[i++] = 0x54; key[i++] = 0x54;
} }
var hash = md5(key, 0, i); var hash = calculateMD5(key, 0, i);
return hash.subarray(0, Math.min(encryptionKey.length + 5, 16)); return hash.subarray(0, Math.min(encryptionKey.length + 5, 16));
} }

Write Preview
Loading…
Cancel
Save