Encryption & Decryption

The following Ruby encryption examples use the OpenSSL cryptography toolkit.

Encrypt Message

Encrypt message using RSA public key with PKCS1-OAEP padding:

require 'openssl'
    def encrypt_RSA(key, message='my plaintext string')
    key.public_encrypt(message, OpenSSL::PKey::RSA::PKCS1_OAEP_PADDING)

Decrypt Package

Decrypt a package using RSA private key with PKCS1-OAEP padding:

require 'openssl'
    def decrypt_RSA(key, package)
    key.private_decrypt(package, OpenSSL::PKey::RSA::PKCS1_OAEP_PADDING)

User Contributed

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