Sample code for 30+ languages & platforms
Delphi DLL Requires Chilkat v11.0.0+

Load PEM Public/Private Key into RSA Object

See more RSA Examples

Demonstrates how to load a PEM key into the Chilkat RSA object.

Chilkat Delphi DLL Downloads

Delphi DLL
var
success: Boolean;
rsa: HCkRsa;
publicKeyPem: PWideChar;
pubkey: HCkPublicKey;
privateKeyPem: PWideChar;
privkey: HCkPrivateKey;

begin
success := False;

//  This example assumes the Chilkat API to have been previously unlocked.
//  See Global Unlock Sample for sample code.

rsa := CkRsa_Create();

//  First demonstrate importing a PEM public key:
publicKeyPem := 'PEM public-key data goes here';
pubkey := CkPublicKey_Create();

success := CkPublicKey_LoadFromString(pubkey,publicKeyPem);
if (success = False) then
  begin
    Memo1.Lines.Add(CkPublicKey__lastErrorText(pubkey));
    Exit;
  end;

success := CkRsa_UsePublicKey(rsa,pubkey);
if (success = False) then
  begin
    Memo1.Lines.Add(CkRsa__lastErrorText(rsa));
    Exit;
  end;

//  Demonstrate importing a PEM private key:
privateKeyPem := 'PEM private-key data goes here';
privkey := CkPrivateKey_Create();

//  If the private key PEM is protected with a password, then 
//  call LoadEncryptedPem.  Otherwise call LoadPem.
success := CkPrivateKey_LoadPem(privkey,privateKeyPem);
if (success = False) then
  begin
    Memo1.Lines.Add(CkPrivateKey__lastErrorText(privkey));
    Exit;
  end;

success := CkRsa_UsePrivateKey(rsa,privkey);
if (success = False) then
  begin
    Memo1.Lines.Add(CkRsa__lastErrorText(rsa));
    Exit;
  end;

Memo1.Lines.Add('OK!');

CkRsa_Dispose(rsa);
CkPublicKey_Dispose(pubkey);
CkPrivateKey_Dispose(privkey);