Mercurial Repositories > eric / file comparison
comparison: eric6/Utilities/crypto/py3AES.py
eric6/Utilities/crypto/py3AES.py
- changeset 8205
- 4a0f1f896341
- parent 7923
- 91e843545d9a
- child 8207
- d359172d11be
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| 8204:fd477cded1c1 | 8205:4a0f1f896341 |
|---|---|
| 505 @param key key to be used (bytes or bytearray) | 505 @param key key to be used (bytes or bytearray) |
| 506 @param size key size (16, 24 or 32) | 506 @param size key size (16, 24 or 32) |
| 507 @return encrypted data (bytes) | 507 @return encrypted data (bytes) |
| 508 @exception ValueError key size is invalid | 508 @exception ValueError key size is invalid |
| 509 """ | 509 """ |
| 510 if size not in self.KeySize.values(): | |
| 511 raise ValueError("Wrong key size given ({0}).".format(size)) | |
| 512 | |
| 510 output = bytearray(16) | 513 output = bytearray(16) |
| 511 # the number of rounds | 514 # the number of rounds |
| 512 nbrRounds = 0 | 515 nbrRounds = 0 |
| 513 # the 128 bit block to encode | 516 # the 128 bit block to encode |
| 514 block = bytearray(16) | 517 block = bytearray(16) |
| 515 # set the number of rounds | 518 # set the number of rounds |
| 516 if size == self.KeySize["SIZE_128"]: | 519 if size == self.KeySize["SIZE_128"]: |
| 517 nbrRounds = 10 | 520 nbrRounds = 10 |
| 518 elif size == self.KeySize["SIZE_192"]: | 521 elif size == self.KeySize["SIZE_192"]: |
| 519 nbrRounds = 12 | 522 nbrRounds = 12 |
| 520 elif size == self.KeySize["SIZE_256"]: | 523 else: |
| 521 nbrRounds = 14 | 524 nbrRounds = 14 |
| 522 else: | |
| 523 raise ValueError("Wrong key size given ({0}).".format(size)) | |
| 524 | 525 |
| 525 # the expanded keySize | 526 # the expanded keySize |
| 526 expandedKeySize = 16 * (nbrRounds + 1) | 527 expandedKeySize = 16 * (nbrRounds + 1) |
| 527 | 528 |
| 528 # Set the block values, for the block: | 529 # Set the block values, for the block: |
| 562 @param key key to be used (bytes or bytearray) | 563 @param key key to be used (bytes or bytearray) |
| 563 @param size key size (16, 24 or 32) | 564 @param size key size (16, 24 or 32) |
| 564 @return decrypted data (bytes) | 565 @return decrypted data (bytes) |
| 565 @exception ValueError key size is invalid | 566 @exception ValueError key size is invalid |
| 566 """ | 567 """ |
| 568 if size not in self.KeySize.values(): | |
| 569 raise ValueError("Wrong key size given ({0}).".format(size)) | |
| 570 | |
| 567 output = bytearray(16) | 571 output = bytearray(16) |
| 568 # the number of rounds | 572 # the number of rounds |
| 569 nbrRounds = 0 | 573 nbrRounds = 0 |
| 570 # the 128 bit block to decode | 574 # the 128 bit block to decode |
| 571 block = bytearray(16) | 575 block = bytearray(16) |
| 572 # set the number of rounds | 576 # set the number of rounds |
| 577 | |
| 573 if size == self.KeySize["SIZE_128"]: | 578 if size == self.KeySize["SIZE_128"]: |
| 574 nbrRounds = 10 | 579 nbrRounds = 10 |
| 575 elif size == self.KeySize["SIZE_192"]: | 580 elif size == self.KeySize["SIZE_192"]: |
| 576 nbrRounds = 12 | 581 nbrRounds = 12 |
| 577 elif size == self.KeySize["SIZE_256"]: | 582 else: |
| 578 nbrRounds = 14 | 583 nbrRounds = 14 |
| 579 else: | |
| 580 raise ValueError("Wrong key size given ({0}).".format(size)) | |
| 581 | 584 |
| 582 # the expanded keySize | 585 # the expanded keySize |
| 583 expandedKeySize = 16 * (nbrRounds + 1) | 586 expandedKeySize = 16 * (nbrRounds + 1) |
| 584 | 587 |
| 585 # Set the block values, for the block: | 588 # Set the block values, for the block: |
