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36 lines
1.5 KiB
C
36 lines
1.5 KiB
C
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/**
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* @file
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* Encryption/decryption module documentation file.
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*/
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/**
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* @addtogroup encdec_module Encryption/decryption module
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*
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* The Encryption/decryption module provides encryption/decryption functions.
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* One can differtiate between symmetric and asymetric algorithms; the
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* symmetric ones are mostly used for message confidentiality and the asymmetric
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* ones for key exchange and message integrity.
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* Some symmetric algorithms provide different block cipher modes, mainly
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* Electronic Code Book (ECB) which is used for short (64-bit) messages and
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* Cipher Block Chaining (CBC) which provides the randomness needed for longer
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* messages.
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* Sometimes the same functions are used for encryption and decryption.
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* The following algorithms are provided:
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* - Symmetric:
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* - AES (see \c aes_crypt_ecb() and\c aes_crypt_cbc()).
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* - ARCFOUR (see \c arc4_crypt()).
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* - Camellia (see \c camellia_crypt_ecb() and\c camellia_crypt_cbc()).
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* - DES/3DES (see \c des_crypt_ecb(),\c des_crypt_cbc(),\c des3_crypt_ecb()
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* and\c des3_crypt_cbc()).
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* - XTEA (see \c xtea_crypt_ecb()).
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* - Asymmetric:
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* - Diffie-Hellman-Merkle (see \c dhm_read_public(),\c dhm_make_public()
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* and \c dhm_calc_secret()).
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* - RSA (see \c rsa_public() and\c rsa_private()).
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*
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* This module provides encryption/decryption which can be used to provide
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* secrecy.
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* It also provides asymmetric key functions which can be used for
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* confidentiality, integrity, authentication and non-repudiation.
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*/
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