def testDerCodec(self):
kw_oid_list = (
rfc4490.id_Gost28147_89_None_KeyWrap,
rfc4490.id_Gost28147_89_CryptoPro_KeyWrap,
)
substrate = pem.readBase64fromText(self.pem_text)
asn1Object, rest = der_decoder(substrate, asn1Spec=self.asn1Spec)
self.assertFalse(rest)
self.assertTrue(asn1Object.prettyPrint())
self.assertEqual(substrate, der_encoder(asn1Object))
count = 0
for algid in asn1Object:
if algid['capabilityID'] in kw_oid_list:
kw_param, rest = der_decoder(
algid['parameters'],
asn1Spec=rfc4357.Gost28147_89_Parameters())
self.assertFalse(rest)
self.assertTrue(kw_param.prettyPrint())
self.assertEqual(algid['parameters'], der_encoder(kw_param))
self.assertEqual(rfc7836.id_tc26_gost_28147_param_Z,
kw_param['encryptionParamSet'])
count += 1
self.assertEqual(4, count)
def testOpenTypes(self):
openTypeMap = {
rfc4357.id_GostR3410_2001: rfc4357.GostR3410_2001_PublicKeyParameters(),
rfc4357.id_Gost28147_89: rfc4357.Gost28147_89_Parameters(),
}
substrate = pem.readBase64fromText(self.keytrans_pem_text)
asn1Object, rest = der_decoder(
substrate, asn1Spec=self.asn1Spec,
openTypes=openTypeMap, decodeOpenTypes=True)
self.assertFalse(rest)
self.assertTrue(asn1Object.prettyPrint())
self.assertEqual(substrate, der_encoder(asn1Object))
ri = asn1Object['content']['recipientInfos'][0]
alg1 = ri['ktri']['keyEncryptionAlgorithm']
self.assertEqual(rfc4357.id_GostR3410_2001, alg1['algorithm'])
param1 = alg1['parameters']
self.assertEqual(rfc4357.id_GostR3410_2001_CryptoPro_XchA_ParamSet, param1['publicKeyParamSet'])
self.assertEqual(rfc4357.id_GostR3411_94_CryptoProParamSet, param1['digestParamSet'])
alg2 = asn1Object['content']['encryptedContentInfo']['contentEncryptionAlgorithm']
self.assertEqual(rfc4357.id_Gost28147_89, alg2['algorithm'])
param2 = alg2['parameters']
self.assertEqual(8, len(param2['iv']))
self.assertEqual(rfc4357.id_Gost28147_89_CryptoPro_A_ParamSet, param2['encryptionParamSet'])
def testDerCodec(self):
substrate = pem.readBase64fromText(self.keytrans_pem_text)
asn1Object, rest = der_decoder(substrate, asn1Spec=self.asn1Spec)
self.assertFalse(rest)
self.assertTrue(asn1Object.prettyPrint())
self.assertEqual(substrate, der_encoder(asn1Object))
self.assertEqual(rfc5652.id_envelopedData, asn1Object['contentType'])
ed, rest = der_decoder(
asn1Object['content'], asn1Spec=rfc5652.EnvelopedData())
self.assertFalse(rest)
self.assertTrue(ed.prettyPrint())
self.assertEqual(asn1Object['content'], der_encoder(ed))
ri = ed['recipientInfos'][0]
alg1 = ri['ktri']['keyEncryptionAlgorithm']
self.assertEqual(rfc4357.id_GostR3410_2001, alg1['algorithm'])
param1, rest = der_decoder(
alg1['parameters'], asn1Spec=rfc4357.GostR3410_2001_PublicKeyParameters())
self.assertFalse(rest)
self.assertTrue(param1.prettyPrint())
self.assertEqual(alg1['parameters'], der_encoder(param1))
self.assertEqual(rfc4357.id_GostR3410_2001_CryptoPro_XchA_ParamSet, param1['publicKeyParamSet'])
self.assertEqual(rfc4357.id_GostR3411_94_CryptoProParamSet, param1['digestParamSet'])
alg2 = ed['encryptedContentInfo']['contentEncryptionAlgorithm']
self.assertEqual(rfc4357.id_Gost28147_89, alg2['algorithm'])
param2, rest = der_decoder(
alg2['parameters'], asn1Spec=rfc4357.Gost28147_89_Parameters())
self.assertFalse(rest)
self.assertTrue(param2.prettyPrint())
self.assertEqual(alg2['parameters'], der_encoder(param2))
self.assertEqual(8, len(param2['iv']))
self.assertEqual(rfc4357.id_Gost28147_89_CryptoPro_A_ParamSet, param2['encryptionParamSet'])
def testOpenTypes(self):
openTypeMap = {
rfc4357.id_GostR3410_2001:
rfc4357.GostR3410_2001_PublicKeyParameters(),
rfc4357.id_Gost28147_89:
rfc4357.Gost28147_89_Parameters(),
rfc4490.id_GostR3410_2001_CryptoPro_ESDH:
rfc5280.AlgorithmIdentifier(),
}
substrate = pem.readBase64fromText(self.keyagree_pem_text)
asn1Object, rest = der_decoder(substrate,
asn1Spec=self.asn1Spec,
openTypes=openTypeMap,
decodeOpenTypes=True)
self.assertFalse(rest)
self.assertTrue(asn1Object.prettyPrint())
self.assertEqual(substrate, der_encoder(asn1Object))
self.assertEqual(rfc5652.id_envelopedData, asn1Object['contentType'])
ri = asn1Object['content']['recipientInfos'][0]
alg1 = ri['kari']['originator']['originatorKey']['algorithm']
self.assertEqual(rfc4357.id_GostR3410_2001, alg1['algorithm'])
param1 = alg1['parameters']
self.assertEqual(rfc4357.id_GostR3410_2001_CryptoPro_XchA_ParamSet,
param1['publicKeyParamSet'])
self.assertEqual(rfc4357.id_GostR3411_94_CryptoProParamSet,
param1['digestParamSet'])
self.assertEqual(8, len(ri['kari']['ukm']))
alg2 = ri['kari']['keyEncryptionAlgorithm']
self.assertEqual(rfc4490.id_GostR3410_2001_CryptoPro_ESDH,
alg2['algorithm'])
param2 = alg2['parameters']
self.assertEqual(rfc4490.id_Gost28147_89_None_KeyWrap,
param2['algorithm'])
kwa_p = param2['parameters']
self.assertEqual(rfc4357.id_Gost28147_89_CryptoPro_A_ParamSet,
kwa_p['encryptionParamSet'])
alg3 = asn1Object['content']['encryptedContentInfo'][
'contentEncryptionAlgorithm']
self.assertEqual(rfc4357.id_Gost28147_89, alg3['algorithm'])
param3 = alg3['parameters']
self.assertEqual(8, len(param3['iv']))
self.assertEqual(rfc4357.id_Gost28147_89_CryptoPro_A_ParamSet,
param3['encryptionParamSet'])
def testDerCodec(self):
substrate = pem.readBase64fromText(self.keyagree_pem_text)
asn1Object, rest = der_decoder(substrate, asn1Spec=self.asn1Spec)
self.assertFalse(rest)
self.assertTrue(asn1Object.prettyPrint())
self.assertEqual(substrate, der_encoder(asn1Object))
self.assertEqual(rfc5652.id_envelopedData, asn1Object['contentType'])
ed, rest = der_decoder(asn1Object['content'],
asn1Spec=rfc5652.EnvelopedData())
self.assertFalse(rest)
self.assertTrue(ed.prettyPrint())
self.assertEqual(asn1Object['content'], der_encoder(ed))
ri = ed['recipientInfos'][0]
alg1 = ri['kari']['originator']['originatorKey']['algorithm']
self.assertEqual(rfc4357.id_GostR3410_2001, alg1['algorithm'])
param1, rest = der_decoder(
alg1['parameters'],
asn1Spec=rfc4357.GostR3410_2001_PublicKeyParameters())
self.assertFalse(rest)
self.assertTrue(param1.prettyPrint())
self.assertEqual(alg1['parameters'], der_encoder(param1))
self.assertEqual(rfc4357.id_GostR3410_2001_CryptoPro_XchA_ParamSet,
param1['publicKeyParamSet'])
self.assertEqual(rfc4357.id_GostR3411_94_CryptoProParamSet,
param1['digestParamSet'])
self.assertEqual(8, len(ri['kari']['ukm']))
alg2 = ri['kari']['keyEncryptionAlgorithm']
self.assertEqual(rfc4490.id_GostR3410_2001_CryptoPro_ESDH,
alg2['algorithm'])
param2, rest = der_decoder(alg2['parameters'],
asn1Spec=rfc4357.AlgorithmIdentifier())
self.assertFalse(rest)
self.assertTrue(param2.prettyPrint())
self.assertEqual(alg2['parameters'], der_encoder(param2))
self.assertEqual(rfc4490.id_Gost28147_89_None_KeyWrap,
param2['algorithm'])
kwa_p, rest = der_decoder(
param2['parameters'],
asn1Spec=rfc4490.Gost28147_89_KeyWrapParameters())
self.assertFalse(rest)
self.assertTrue(kwa_p.prettyPrint())
self.assertEqual(param2['parameters'], der_encoder(kwa_p))
self.assertEqual(rfc4357.id_Gost28147_89_CryptoPro_A_ParamSet,
kwa_p['encryptionParamSet'])
alg3 = ed['encryptedContentInfo']['contentEncryptionAlgorithm']
self.assertEqual(rfc4357.id_Gost28147_89, alg3['algorithm'])
param3, rest = der_decoder(alg3['parameters'],
asn1Spec=rfc4357.Gost28147_89_Parameters())
self.assertFalse(rest)
self.assertTrue(param3.prettyPrint())
self.assertEqual(alg3['parameters'], der_encoder(param3))
self.assertEqual(8, len(param3['iv']))
self.assertEqual(rfc4357.id_Gost28147_89_CryptoPro_A_ParamSet,
param3['encryptionParamSet'])