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AES128 / AES256 CBC with PKCS7Padding in Ruby
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| require "openssl" | |
| require "digest" | |
| def aes128_encrypt(key, data) | |
| key = Digest::MD5.digest(key) if(key.kind_of?(String) && 16 != key.bytesize) | |
| aes = OpenSSL::Cipher.new('AES-128-CBC') | |
| aes.encrypt | |
| aes.key = key | |
| aes.update(data) + aes.final | |
| end | |
| def aes256_encrypt(key, data) | |
| key = Digest::SHA256.digest(key) if(key.kind_of?(String) && 32 != key.bytesize) | |
| aes = OpenSSL::Cipher.new('AES-256-CBC') | |
| aes.encrypt | |
| aes.key = key | |
| aes.update(data) + aes.final | |
| end | |
| def aes128_decrypt(key, data) | |
| key = Digest::MD5.digest(key) if(key.kind_of?(String) && 16 != key.bytesize) | |
| aes = OpenSSL::Cipher.new('AES-128-CBC') | |
| aes.decrypt | |
| aes.key = key | |
| aes.update(data) + aes.final | |
| end | |
| def aes256_decrypt(key, data) | |
| key = Digest::SHA256.digest(key) if(key.kind_of?(String) && 32 != key.bytesize) | |
| aes = OpenSSL::Cipher.new('AES-256-CBC') | |
| aes.decrypt | |
| aes.key = key | |
| aes.update(data) + aes.final | |
| end |
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