class JWT::JWA::Ps
Implementation of the RSASSA-PSS family of algorithms
Attributes
Public Class Methods
Source
# File lib/jwt/jwa/ps.rb, line 9 def initialize(alg) @alg = alg @digest_algorithm = alg.sub('PS', 'sha') end
Public Instance Methods
Source
# File lib/jwt/jwa/ps.rb, line 14 def sign(data:, signing_key:) raise_sign_error!("The given key is a #{signing_key.class}. It has to be an OpenSSL::PKey::RSA instance.") unless signing_key.is_a?(::OpenSSL::PKey::RSA) signing_key.sign_pss(digest_algorithm, data, salt_length: :digest, mgf1_hash: digest_algorithm) end
Source
# File lib/jwt/jwa/ps.rb, line 20 def verify(data:, signature:, verification_key:) verification_key.verify_pss(digest_algorithm, signature, data, salt_length: :auto, mgf1_hash: digest_algorithm) rescue OpenSSL::PKey::PKeyError raise JWT::VerificationError, 'Signature verification raised' end