def _build_ekey_from_string(key):
bio = _string_to_bio(key)
ekey = evp.PEM_read_bio_PUBKEY(bio, None, None, None)
if not ekey:
raise EnvelopeError("Could not create encryption key from string")
evp.BIO_free(bio)
return ekey
def _build_dkey_from_string(key):
bio = _string_to_bio(key)
dkey = evp.PEM_read_bio_PrivateKey(bio, None, None, None)
if not dkey:
raise EnvelopeError("Could not build decryption key from string")
evp.BIO_free(bio)
return dkey
