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module OpenSSLHelper
# For test debugging
puts "OpenSSL Version: #{OpenSSL::OPENSSL_VERSION}"
algorithms = OpenSSL::Cipher.ciphers
case RUBY_PLATFORM.to_sym
when :java
security_class = java.lang.Class.for_name('javax.crypto.JceSecurity')
restricted_field = security_class.get_declared_field('isRestricted')
restricted_field.accessible = true
restricted_field.set(nil, false)
# if key length is less than 24 bytes:
# OpenSSL::Cipher::CipherError: key length too short
# if key length is 24 bytes or more:
# OpenSSL::Cipher::CipherError: DES key too long - should be 8 bytes: possibly you need to install Java Cryptography Extension (JCE) Unlimited Strength Jurisdiction Policy Files for your JRE
algorithms -= %w(des-ede3 DES-EDE3)
else
algorithms &= %x(openssl list-cipher-commands).split
end
ALGORITHMS = algorithms.freeze
AUTHENTICATED_ENCRYPTION_ALGORITHMS = ['aes-128-gcm','aes-192-gcm','aes-256-gcm']
end
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