Factor out the ASN.1 string handling code in the OpenSSL backend
Factor out the ASN.1 string handling code in the OpenSSL backend

Ayrx/cryptography,kimvais/cryptography,kimvais/cryptography,kimvais/cryptography,Hasimir/cryptography,Hasimir/cryptography,kimvais/cryptography,Ayrx/cryptography,Hasimir/cryptography,Ayrx/cryptography,Ayrx/cryptography,Hasimir/cryptography