| 1 | # The MIT License (MIT) |
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| 2 | # |
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| 3 | # Copyright (c) 2014 Richard Moore |
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| 4 | # |
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| 5 | # Permission is hereby granted, free of charge, to any person obtaining a copy |
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| 6 | # of this software and associated documentation files (the "Software"), to deal |
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| 7 | # in the Software without restriction, including without limitation the rights |
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| 8 | # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
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| 9 | # copies of the Software, and to permit persons to whom the Software is |
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| 10 | # furnished to do so, subject to the following conditions: |
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| 11 | # |
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| 12 | # The above copyright notice and this permission notice shall be included in |
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| 13 | # all copies or substantial portions of the Software. |
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| 14 | # |
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| 15 | # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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| 16 | # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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| 17 | # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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| 18 | # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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| 19 | # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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| 20 | # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
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| 21 | # THE SOFTWARE. |
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| 22 | |
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| 23 | # This is a pure-Python implementation of the AES algorithm and AES common |
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| 24 | # modes of operation. |
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| 25 | |
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| 26 | # See: https://en.wikipedia.org/wiki/Advanced_Encryption_Standard |
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| 27 | # See: https://en.wikipedia.org/wiki/Block_cipher_mode_of_operation |
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| 28 | |
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| 29 | |
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| 30 | # Supported key sizes: |
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| 31 | # 128-bit |
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| 32 | # 192-bit |
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| 33 | # 256-bit |
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| 34 | |
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| 35 | |
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| 36 | # Supported modes of operation: |
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| 37 | # ECB - Electronic Codebook |
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| 38 | # CBC - Cipher-Block Chaining |
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| 39 | # CFB - Cipher Feedback |
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| 40 | # OFB - Output Feedback |
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| 41 | # CTR - Counter |
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| 42 | |
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| 43 | # See the README.md for API details and general information. |
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| 44 | |
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| 45 | # Also useful, PyCrypto, a crypto library implemented in C with Python bindings: |
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| 46 | # https://www.dlitz.net/software/pycrypto/ |
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| 47 | |
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| 48 | |
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| 49 | VERSION = [1, 3, 0] |
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| 50 | |
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| 51 | from .aes import AES, AESModeOfOperationCTR, AESModeOfOperationCBC, AESModeOfOperationCFB, AESModeOfOperationECB, AESModeOfOperationOFB, AESModesOfOperation, Counter |
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| 52 | from .blockfeeder import decrypt_stream, Decrypter, encrypt_stream, Encrypter |
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| 53 | from .blockfeeder import PADDING_NONE, PADDING_DEFAULT |
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