SQL Server

Create Egypt ITIDA CAdES-BES .p7s Signature (with strings in-memory)

See more Egypt ITIDA Examples

Demonstrates how to create a .p7s signature that fits Egypt's ITIDA requirements.

Note: This example requires Chilkat v9.5.0.75 or greater.

SQL Server

-- Important: See this note about string length limitations for strings returned by sp_OAMethod calls.
--
CREATE PROCEDURE ChilkatSample
AS
BEGIN
    DECLARE @hr int
    DECLARE @iTmp0 int
    -- Important: Do not use nvarchar(max).  See the warning about using nvarchar(max).
    DECLARE @sTmp0 nvarchar(4000)
    DECLARE @success int
    SELECT @success = 0

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

    DECLARE @crypt int
    EXEC @hr = sp_OACreate 'Chilkat.Crypt2', @crypt OUT
    IF @hr <> 0
    BEGIN
        PRINT 'Failed to create ActiveX component'
        RETURN
    END

    DECLARE @cert int
    EXEC @hr = sp_OACreate 'Chilkat.Cert', @cert OUT

    -- There are many ways to load the certificate.  
    -- This example was created for a customer using an ePass2003 USB token.
    -- Assuming the USB token is the only source of a hardware-based private key..
    EXEC sp_OAMethod @cert, 'LoadFromSmartcard', @success OUT, ''
    IF @success <> 1
      BEGIN
        EXEC sp_OAGetProperty @cert, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @crypt
        EXEC @hr = sp_OADestroy @cert
        RETURN
      END

    -- Tell the crypt component to use this cert.
    EXEC sp_OAMethod @crypt, 'SetSigningCert', @success OUT, @cert
    IF @success <> 1
      BEGIN
        EXEC sp_OAGetProperty @crypt, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @crypt
        EXEC @hr = sp_OADestroy @cert
        RETURN
      END

    DECLARE @cmsOptions int
    EXEC @hr = sp_OACreate 'Chilkat.JsonObject', @cmsOptions OUT

    -- Setting "DigestData" causes OID 1.2.840.113549.1.7.5 (digestData) to be used.
    EXEC sp_OAMethod @cmsOptions, 'UpdateBool', @success OUT, 'DigestData', 1
    EXEC sp_OAMethod @cmsOptions, 'UpdateBool', @success OUT, 'OmitAlgorithmIdNull', 1
    EXEC sp_OAMethod @cmsOptions, 'Emit', @sTmp0 OUT
    EXEC sp_OASetProperty @crypt, 'CmsOptions', @sTmp0

    -- The CadesEnabled property applies to all methods that create CMS/PKCS7 signatures. 
    -- To create a CAdES-BES signature, set this property equal to true. 
    EXEC sp_OASetProperty @crypt, 'CadesEnabled', 1

    EXEC sp_OASetProperty @crypt, 'HashAlgorithm', 'sha256'

    DECLARE @jsonSigningAttrs int
    EXEC @hr = sp_OACreate 'Chilkat.JsonObject', @jsonSigningAttrs OUT

    EXEC sp_OAMethod @jsonSigningAttrs, 'UpdateInt', @success OUT, 'contentType', 1
    EXEC sp_OAMethod @jsonSigningAttrs, 'UpdateInt', @success OUT, 'signingTime', 1
    EXEC sp_OAMethod @jsonSigningAttrs, 'UpdateInt', @success OUT, 'messageDigest', 1
    EXEC sp_OAMethod @jsonSigningAttrs, 'UpdateInt', @success OUT, 'signingCertificateV2', 1
    EXEC sp_OAMethod @jsonSigningAttrs, 'Emit', @sTmp0 OUT
    EXEC sp_OASetProperty @crypt, 'SigningAttributes', @sTmp0

    -- By default, all the certs in the chain of authentication are included in the signature.
    -- If desired, we can choose to only include the signing certificate:
    EXEC sp_OASetProperty @crypt, 'IncludeCertChain', 0

    -- Make sure we sign the utf-8 byte representation of the JSON string
    EXEC sp_OASetProperty @crypt, 'Charset', 'utf-8'

    -- Create the CAdES-BES signature.
    DECLARE @textToSign nvarchar(4000)
    SELECT @textToSign = '"issuer""address""branchID""0""country""EG""regionCity...'

    EXEC sp_OASetProperty @crypt, 'EncodingMode', 'base64'
    DECLARE @sigBase64 nvarchar(4000)
    EXEC sp_OAMethod @crypt, 'SignStringENC', @sigBase64 OUT, @textToSign
    EXEC sp_OAGetProperty @crypt, 'LastMethodSuccess', @iTmp0 OUT
    IF @iTmp0 = 0
      BEGIN
        EXEC sp_OAGetProperty @crypt, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @crypt
        EXEC @hr = sp_OADestroy @cert
        EXEC @hr = sp_OADestroy @cmsOptions
        EXEC @hr = sp_OADestroy @jsonSigningAttrs
        RETURN
      END


    PRINT 'Base64 signature:'

    PRINT @sigBase64

    EXEC @hr = sp_OADestroy @crypt
    EXEC @hr = sp_OADestroy @cert
    EXEC @hr = sp_OADestroy @cmsOptions
    EXEC @hr = sp_OADestroy @jsonSigningAttrs


END
GO