Load PEM Public/Private Key into RSA Object

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

Download 32-bit Chilkat RSA ActiveX (.msi)

Download All 32-bit Chilkat ActiveX Components (.zip)

Download All 64-bit Chilkat ActiveX Components (.zip)

CREATE PROCEDURE ChilkatSample
AS
BEGIN
    DECLARE @hr int
    DECLARE @sTmp0 nvarchar(4000)
    DECLARE @rsa int
    EXEC @hr = sp_OACreate 'Chilkat.Rsa', @rsa OUT
    IF @hr <> 0
    BEGIN
        PRINT 'Failed to create ActiveX component'
        RETURN
    END

    DECLARE @success int

    EXEC sp_OAMethod @rsa, 'UnlockComponent', @success OUT, 'Anything for 30-day trial'
    IF @success <> 1
      BEGIN
        EXEC sp_OAGetProperty @rsa, 'LastErrorText', @sTmp0 OUT

        PRINT @sTmp0
        RETURN
      END

    --  First demonstrate importing a PEM public key:
    DECLARE @publicKeyPem nvarchar(4000)

    SELECT @publicKeyPem = 'PEM public-key data goes here'
    DECLARE @pubkey int
    EXEC @hr = sp_OACreate 'Chilkat.PublicKey', @pubkey OUT
    IF @hr <> 0
    BEGIN
        PRINT 'Failed to create ActiveX component'
        RETURN
    END

    EXEC sp_OAMethod @pubkey, 'LoadOpenSslPem', @success OUT, @publicKeyPem
    IF @success <> 1
      BEGIN
        EXEC sp_OAGetProperty @pubkey, 'LastErrorText', @sTmp0 OUT

        PRINT @sTmp0
        RETURN
      END

    DECLARE @publicKeyXml nvarchar(4000)

    EXEC sp_OAMethod @pubkey, 'GetXml', @publicKeyXml OUT

    EXEC sp_OAMethod @rsa, 'ImportPublicKey', @success OUT, @publicKeyXml
    IF @success <> 1
      BEGIN
        EXEC sp_OAGetProperty @rsa, 'LastErrorText', @sTmp0 OUT

        PRINT @sTmp0
        RETURN
      END

    --  Demonstrate importing a PEM private key:
    DECLARE @privateKeyPem nvarchar(4000)

    SELECT @privateKeyPem = 'PEM private-key data goes here'
    DECLARE @privkey int
    EXEC @hr = sp_OACreate 'Chilkat.PrivateKey', @privkey OUT
    IF @hr <> 0
    BEGIN
        PRINT 'Failed to create ActiveX component'
        RETURN
    END

    --  If the private key PEM is protected with a password, then
    --  call LoadEncryptedPem.  Otherwise call LoadPem.
    EXEC sp_OAMethod @privkey, 'LoadPem', @success OUT, @privateKeyPem
    IF @success <> 1
      BEGIN
        EXEC sp_OAGetProperty @privkey, 'LastErrorText', @sTmp0 OUT

        PRINT @sTmp0
        RETURN
      END

    DECLARE @privateKeyXml nvarchar(4000)

    EXEC sp_OAMethod @privkey, 'GetXml', @privateKeyXml OUT
    EXEC sp_OAMethod @rsa, 'ImportPrivateKey', @success OUT, @privateKeyXml
    IF @success <> 1
      BEGIN
        EXEC sp_OAGetProperty @rsa, 'LastErrorText', @sTmp0 OUT

        PRINT @sTmp0
        RETURN
      END

    PRINT 'OK!'

END
GO