Log Message:
Import py-asn1crypto-0.21.1 as security/py-asn1crypto.

Fast ASN.1 parser and serializer with definitions for private keys,
public keys, certificates, CRL, OCSP, CMS, PKCS#3, PKCS#7, PKCS#8,
PKCS#12, PKCS#5, X.509 and TSP.