Spencer McIntyre
54 lines
1.5 KiB
Ruby
54 lines
1.5 KiB
Ruby
module Rex::Crypto
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# Returns an encrypted string using AES256-CBC.
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#
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# @deprecated Access via Rex::Crypto::Aes256
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# @param iv [String] Initialization vector.
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# @param key [String] Secret key.
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# @return [String] The encrypted string.
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def self.encrypt_aes256(iv, key, value)
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Aes256.encrypt_aes256(iv, key, value)
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end
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# Returns a decrypted string using AES256-CBC.
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#
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# @deprecated Access via Rex::Crypto::Aes256
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# @param iv [String] Initialization vector.
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# @param key [String] Secret key.
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# @return [String] The decrypted string.
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def self.decrypt_aes256(iv, key, value)
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Aes256.decrypt_aes256(iv, key, value)
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end
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# Returns a decrypted or encrypted RC4 string.
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#
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# @deprecated Access via Rex::Crypto::Rc4
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# @param key [String] Secret key.
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# @param [String]
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def self.rc4(key, value)
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Rc4.rc4(key, value)
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end
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# Returns an integer represented as a byte array. Useful for certain key-related operations.
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#
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# @param bytes [String] The bytes to convert
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# @return [Integer] The converted value.
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def self.bytes_to_int(bytes)
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bytes.each_byte.reduce(0) { |acc, byte| (acc << 8) | byte }
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end
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# Returns a byte array represented as a big-endian integer. Useful for certain key-related operations.
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#
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# @param bytes [String] The bytes to convert
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# @return [Integer] The converted value.
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def self.int_to_bytes(num)
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bytes = []
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while num > 0
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bytes.unshift(num & 0xff)
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num >>= 8
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end
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bytes.pack("C*")
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end
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end
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