def testRFC2104_1(self):
""" RFC2104 test 1 and various calling methods """
key = chr(0x0b) * 20
keyedHashAlg = HMAC(SHA1, key)
data = "Hi There"
digest = a2b_hex('b617318655057264e28bc0b6fb378c8ef146be00')
cd = keyedHashAlg(data)
assert (cd == digest), 'RFC2104 test 1 failed'
hmac_sha1 = HMAC_SHA1(key)
cd = hmac_sha1.hash(data)
assert (cd == digest), 'RFC2104 test 1 failed, HMAC_SHA1 called'
cd = hmac_sha1.hash(data[:3], more=1)
cd = hmac_sha1.hash(data[3:])
assert (cd == digest), 'RFC2104 test 1 failed, HMAC_SHA1 called twice'
hmac_sha1.update(data[:3])
hmac_sha1.update(data[3:])
cd = hmac_sha1.digest()
print b2a_hex(cd)
assert (cd == digest
), 'RFC2104 test 1 failed, HMAC_SHA1 called with update'
hmac_sha1.reset(data)
cd1 = hmac_sha1.hash(data)
cd2 = hmac_sha1.hash(data)
print b2a_hex(cd1)
print b2a_hex(cd2)
assert (cd1 == cd2), 'hash method should default to reseting state'
def testRFC2104_3(self):
""" RFC2104 test 3 """
key = a2b_hex('aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa')
keyedHashAlg = HMAC_SHA1(key)
data = 50 * chr(0xdd)
digest = a2b_hex('125d7342b9ac11cd91a39af48aa17b4f63f175d3')
cd = keyedHashAlg(data)
assert (cd == digest), 'RFC2104 test 3 failed'