func getPublicKeyAlgorithmFromOID(oid asn1.ObjectIdentifier) PublicKeyAlgorithm {
switch {
case oid.Equal(oidPublicKeyRsa):
return RSA
case oid.Equal(oidPublicKeyDsa):
return DSA
}
return UnknownPublicKeyAlgorithm
}
func getSignatureAlgorithmFromOID(oid asn1.ObjectIdentifier) SignatureAlgorithm {
switch {
case oid.Equal(oidSignatureMD2WithRSA):
return MD2WithRSA
case oid.Equal(oidSignatureMD5WithRSA):
return MD5WithRSA
case oid.Equal(oidSignatureSHA1WithRSA):
return SHA1WithRSA
case oid.Equal(oidSignatureSHA256WithRSA):
return SHA256WithRSA
case oid.Equal(oidSignatureSHA384WithRSA):
return SHA384WithRSA
case oid.Equal(oidSignatureSHA512WithRSA):
return SHA512WithRSA
case oid.Equal(oidSignatureDSAWithSHA1):
return DSAWithSHA1
case oid.Equal(oidSignatureDSAWithSHA256):
return DSAWithSHA256
}
return UnknownSignatureAlgorithm
}