def decrypt_data( sender_pubkey_pem, receiver_privkey_pem, enc_data ):
rc, data = c_syndicate.decrypt_data( sender_pubkey_pem, receiver_privkey_pem, enc_data )
if rc != 0:
log.error("decrypt_data rc = %s" % rc)
return None
return data
"""
# get the public key
try:
observer_pubkey_pem = CryptoKey.importKey(
observer_pkey_pem).publickey().exportKey()
except Exception, e:
logger.exception(e)
logger.error("Failed to derive public key from private key")
return None
sealed_slice_secret = base64.b64decode(sealed_slice_secret_b64)
# decrypt it
rc, slice_secret = c_syndicate.decrypt_data(observer_pubkey_pem,
observer_pkey_pem,
sealed_slice_secret)
if rc != 0:
logger.error("Failed to decrypt '%s', rc = %d" %
(sealed_slice_secret_b64, rc))
return None
return slice_secret
#--------------------------------
def get_slice_secret(observer_pkey_pem, slice_name, slice_fk=None):
"""
Get the shared secret for a slice.
"""
"""
Unserialize and decrypt a slice secret
"""
# get the public key
try:
observer_pubkey_pem = CryptoKey.importKey( observer_pkey_pem ).publickey().exportKey()
except Exception, e:
logger.exception(e)
logger.error("Failed to derive public key from private key")
return None
sealed_slice_secret = base64.b64decode( sealed_slice_secret_b64 )
# decrypt it
rc, slice_secret = c_syndicate.decrypt_data( observer_pubkey_pem, observer_pkey_pem, sealed_slice_secret )
if rc != 0:
logger.error("Failed to decrypt '%s', rc = %d" % (sealed_slice_secret_b64, rc))
return None
return slice_secret
#--------------------------------
def get_slice_secret( observer_pkey_pem, slice_name, slice_fk=None ):
"""
Get the shared secret for a slice.
"""
ss = None
