public static SecStatusCode GenerateKeyPair(SecKeyType type, int keySizeInBits, SecPublicPrivateKeyAttrs publicAndPrivateKeyAttrs, out SecKey publicKey, out SecKey privateKey)
{
#if !MONOMAC
// iOS (+friends) need to pass the strong dictionary for public and private key attributes to specific keys
// instead of merging them with other attributes.
return(GenerateKeyPair(type, keySizeInBits, publicAndPrivateKeyAttrs, publicAndPrivateKeyAttrs, out publicKey, out privateKey));
#else
if (type == SecKeyType.Invalid)
{
throw new ArgumentException("invalid 'SecKeyType'", nameof(type));
}
NSMutableDictionary dic;
if (publicAndPrivateKeyAttrs != null)
{
dic = new NSMutableDictionary(publicAndPrivateKeyAttrs.GetDictionary());
}
else
{
dic = new NSMutableDictionary();
}
dic.LowlevelSetObject(type.GetConstant(), SecAttributeKey.Type);
dic.LowlevelSetObject(new NSNumber(keySizeInBits), SecKeyGenerationAttributeKeys.KeySizeInBitsKey.Handle);
return(GenerateKeyPair(dic, out publicKey, out privateKey));
#endif
}
public static SecStatusCode GenerateKeyPair(SecKeyType type, int keySizeInBits, SecPublicPrivateKeyAttrs publicKeyAttrs, SecPublicPrivateKeyAttrs privateKeyAttrs, out SecKey publicKey, out SecKey privateKey)
{
if (type == SecKeyType.Invalid)
{
throw new ArgumentException("invalid 'SecKeyType'", nameof(type));
}
using (var dic = new NSMutableDictionary()) {
dic.LowlevelSetObject(type.GetConstant(), SecAttributeKey.Type);
using (var ksib = new NSNumber(keySizeInBits)) {
dic.LowlevelSetObject(ksib, SecKeyGenerationAttributeKeys.KeySizeInBitsKey.Handle);
if (publicKeyAttrs != null)
{
dic.LowlevelSetObject(publicKeyAttrs.GetDictionary(), SecKeyGenerationAttributeKeys.PublicKeyAttrsKey.Handle);
}
if (privateKeyAttrs != null)
{
dic.LowlevelSetObject(privateKeyAttrs.GetDictionary(), SecKeyGenerationAttributeKeys.PrivateKeyAttrsKey.Handle);
}
return(GenerateKeyPair(dic, out publicKey, out privateKey));
}
}
}
// TODO: pull all the TypeRefs needed for the NSDictionary
public static SecStatusCode GenerateKeyPair(NSDictionary parameters, out SecKey publicKey, out SecKey privateKey)
{
if (parameters == null)
{
throw new ArgumentNullException("parameters");
}
IntPtr pub, priv;
var res = SecKeyGeneratePair(parameters.Handle, out pub, out priv);
if (res == SecStatusCode.Success)
{
publicKey = new SecKey(pub, true);
privateKey = new SecKey(priv, true);
}
else
{
publicKey = privateKey = null;
}
return(res);
}