Delphi DLL Requires Chilkat v9.5.0.85+

Load EC Public Key from X,Y Values (easier)

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Demonstrates how to load an ECDSA public key from X and Y values using the LoadEcdsa method. Delphi DLL

var
success: Boolean;
x: PWideChar;
y: PWideChar;
pubkey: HCkPublicKey;

begin
success := False;

//  We have the following x and y values in hex (for an EC point on the P-256 curve).
x := '1ccbe91c075fc7f4f033bfa248db8fccd3565de94bbfb12f3c59ff46c271bf83';
y := 'ce4014c68811f9a21a1fdb2c0e6113e06db7ca93b7404e78dc7ccd5ca89a4ca9';

pubkey := CkPublicKey_Create();
success := CkPublicKey_LoadEcdsa(pubkey,'secp256r1',x,y);
if (success = False) then
  begin
    Memo1.Lines.Add(CkPublicKey__lastErrorText(pubkey));
    Exit;
  end;

Memo1.Lines.Add('Success.');

CkPublicKey_Dispose(pubkey);