Wei Chen
33 lines
822 B
Ruby
33 lines
822 B
Ruby
# -*- coding: binary -*-
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module Rex
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module Crypto
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# Returns an encrypted string using AES256-CBC.
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#
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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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aes = OpenSSL::Cipher::AES256.new(:CBC)
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aes.encrypt
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aes.iv = iv
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aes.key = key
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aes.update(value) + aes.final
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end
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# Returns a decrypted string using AES256-CBC.
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#
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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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aes = OpenSSL::Cipher::AES256.new(:CBC)
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aes.decrypt
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aes.iv = iv
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aes.key = key
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aes.update(value) + aes.final
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end
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end
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end |