CryptoTypes A PHP library of various ASN.1 types for cryptographic applications. Requirements PHP >=7.2 gmp sop/asn1 sop/crypto-encoding sop/x501 Features Asymmetric keys RSAPrivateKey, RSAPublicKey ECPrivateKey, ECPublicKey PrivateKeyInfo (PKCS #8) SubjectPublicKeyInfo (X.509) RSA and EC signature types Various AlgorithmIdentifier types and their OID's Installation This library is available on Packagist. composer require sop/crypto-types License This project is licensed under the MIT License.