Class: Ccrypto::Java::ECCPublicKey

Inherits:
ECCPublicKey
  • Object
show all
Includes:
DataConversion
Defined in:
lib/ccrypto/java/engines/ecc_engine.rb

Class Method Summary collapse

Instance Method Summary collapse

Methods included from DataConversion

#from_b64, #from_b64_mime, #from_hex, included, #to_b64, #to_b64_mime, #to_hex, #to_java_bytes, #to_str

Constructor Details

#initialize(kp, curve) ⇒ ECCPublicKey

Returns a new instance of ECCPublicKey.



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# File 'lib/ccrypto/java/engines/ecc_engine.rb', line 12

def initialize(kp, curve)
  super(kp)
  @curve = curve
end

Class Method Details

.from_pem(str) ⇒ Object 



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# File 'lib/ccrypto/java/engines/ecc_engine.rb', line 44

def self.from_pem(str)
  if str =~ /ECC PUBLIC/
    cont = str.lines[1..-2].join.strip
    to_key(from_b64(cont))
  else
    raise KeypairEngineException, "Not an ECC public key"
  end
end

.to_key(bin) ⇒ Object

from binary to public key object



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# File 'lib/ccrypto/java/engines/ecc_engine.rb', line 54

def self.to_key(bin)
  bin = to_java_bytes(bin) if not bin.is_a?(::Java::byte[])
  pubKey = java.security.KeyFactory.getInstance("ECDSA", "BC").generatePublic(java.security.spec.X509EncodedKeySpec.new(bin))
  #p pubKey
  curve = pubKey.params.name
  ECCPublicKey.new(pubKey, curve)
end

Instance Method Details

#curve ⇒ Object 



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# File 'lib/ccrypto/java/engines/ecc_engine.rb', line 17

def curve
  @curve
end

#encoded ⇒ Object 



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# File 'lib/ccrypto/java/engines/ecc_engine.rb', line 33

def encoded
  to_bin
end

#equals?(pubKey) ⇒ Boolean Also known as: key_equals?

Returns:

  • (Boolean) 


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# File 'lib/ccrypto/java/engines/ecc_engine.rb', line 62

def equals?(pubKey)
  if not @native_pubKey.nil?
    case pubKey
    when ECCPublicKey
      @native_pubKey.encoded == pubKey.to_bin
    else
      logger.warn "Unmatched public key : (native) #{@native_pubKey} vs. (subject) #{pubKey}"
      false
    end
  else
    logger.warn "ECCPublicKey equals? returned false because native_pubKey is nil"
    false
  end
end

#to_bin(enc = :bin) ⇒ Object 



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# File 'lib/ccrypto/java/engines/ecc_engine.rb', line 21

def to_bin(enc = :bin)
  res = @native_pubKey.encoded
  case enc
  when :b64, :base64
    to_b64(res)
  when :hex
    to_hex(res)
  else
    res
  end
end

#to_pem ⇒ Object 



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# File 'lib/ccrypto/java/engines/ecc_engine.rb', line 37

def to_pem
  cont = ["-----BEGIN ECC PUBLIC KEY-----\n"]
  cont << to_b64(to_bin)
  cont << "\n-----END ECC PUBLIC KEY-----"
  cont.join
end