Python JSONObjectWriter.setString Examples

Example #1

File: SignatureKey.py Project: cyberphone/openkeystore.old

 def getPublicKey(self, format='JWK'):
     """
     Return public key as a PEM or JWK string or as a JCS/JWK in an JSONObjectWriter
     """
     if exportFormatCheck(format) == 'PEM':
         if self.isRSA():
             return exportPublicKeyAsPem(self.nativePrivateKey.publickey())
         return exportPublicKeyAsPem(
             self.nativePrivateKey.get_verifying_key())
     publicKey = JSONObjectWriter()
     if self.isRSA():
         publicKey.setString('kty', 'RSA')
         publicKey.setCryptoBigNum('n', self.nativePrivateKey.n)
         publicKey.setCryptoBigNum('e', self.nativePrivateKey.e)
     else:
         publicKey.setString('kty', 'EC')
         publicKey.setString('crv', getEcCurveName(self.nativePrivateKey))
         point = self.nativePrivateKey.get_verifying_key().to_string()
         length = len(point)
         if length % 2:
             raise ValueError('EC point length error')
         length >>= 1
         publicKey.setBinary('x', point[:length])
         publicKey.setBinary('y', point[length:])
     if format == 'JWK':
         return publicKey.serialize()
     return publicKey

Example #2

File: signdata.py Project: cyberphone/openkeystore.old

def readFile(name):
    return codecs.open(name, "r", "utf-8").read()


keyString = readFile(sys.argv[1])

signatureKey = SignatureKey.new(keyString)
if signatureKey.isRSA():
    print "RSA key"
else:
    print "EC key"

if len(sys.argv) == 3:
    jsonObject = JSONObjectWriter(parseJson(readFile(sys.argv[2])))
else:
    jsonObject = JSONObjectWriter()
    jsonObject.setInt("an_int", 7)

    jsonObject.setString("a_string", "Sure")
    jsonObject.setObject("an_object").setString(
        "another_string",
        "Yeah").setFloat("a_float", 1e+5).setBinary("a_blob",
                                                    '\x00\x01\x03\x04\x05')
    jsonObject.setArray("an_array").setInt(45).setString("Nope").setObject()
    jsonObject.setArray("two_dimensional").setArray().setString("Bye")

jsonObject.setSignature(signatureKey)

print jsonObject.serialize().encode("utf-8")

Example #3

# This is a short program showing a possible CSR using JCS for the
# ACME (Automatic Certificate Management Environment) system

theKey = ('{'
          '  "kty":"EC",'
          '  "crv":"P-256",'
          '  "x":"MKBCTNIcKUSDii11ySs3526iDZ8AiTo7Tu6KPAqv7D4",'
          '  "y":"4Etl6SRW2YiLUrN5vfvVHuhp7x8PxltmWWlbbM4IFyM",'
          '  "d":"870MB6gfuTJ4HtUnUvYMyJpr5eUZNP4Bk43bVdj3eAE"'
          '}')

from org.webpki.json import SignatureKey
from org.webpki.json.Writer import JSONObjectWriter

jsonObject = JSONObjectWriter().setString(
    "@context",
    "https://letsencrypt.org/acme/v1").setString("@qualifier",
                                                 "CertificateRequest")
jsonObject.setString("domain", "example.com")
jsonObject.setBinary("secret", '\x56\x23\x23\x00\x10')
jsonObject.setSignature(SignatureKey.new(theKey))
print jsonObject.serialize()