decrypt blocks
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@ -74,7 +74,7 @@ CBC.decryptblocks = function(encbufs, ivbuf, blockcipher, cipherkeybuf) {
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ivbuf = encbuf;
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}
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return encbufs;
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return blockbufs;
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};
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CBC.pkcs7pad = function(buf, blocksize) {
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@ -135,6 +135,32 @@ describe('CBC', function() {
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});
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describe('@decryptblocks', function() {
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it('should decrypt encrypted blocks', function() {
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var messagebuf1 = new Buffer(128 / 8);
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messagebuf1.fill(0);
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var messagebuf2 = new Buffer(128 / 8);
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messagebuf2.fill(0x10);
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var ivbuf = new Buffer(128 / 8);
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ivbuf.fill(0x10);
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var cipherkeybuf = new Buffer(128 / 8);
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cipherkeybuf.fill(0);
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var blockcipher = {}
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blockcipher.encrypt = function(messagebuf, cipherkeybuf) {
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return messagebuf;
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};
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blockcipher.decrypt = function(messagebuf, cipherkeybuf) {
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return messagebuf;
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};
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var encbufs = CBC.encryptblocks([messagebuf1, messagebuf2], ivbuf, blockcipher, cipherkeybuf);
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var bufs = CBC.decryptblocks(encbufs, ivbuf, blockcipher, cipherkeybuf);
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bufs[0].toString('hex').should.equal(messagebuf1.toString('hex'));
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bufs[1].toString('hex').should.equal(messagebuf2.toString('hex'));
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});
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});
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describe('@pkcs7pad', function() {
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it('should pad this 32 bit buffer to 128 bits with the number 128/8 - 32/8', function() {
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