Read from an (unencrypted) PKCS-8 private key info file into a private key string.
[ObsoleteAttribute("Use Rsa.ReadPrivateKey() instead", false)] public static StringBuilder ReadPrivateKeyInfo( string prikeyinfoFile )
<ObsoleteAttribute("Use Rsa.ReadPrivateKey() instead", False)> _ Public Shared Function ReadPrivateKeyInfo ( _ prikeyinfoFile As String _ ) As StringBuilder
VB6/C equivalent: RSA_ReadPrivateKeyInfo