(SQL Server) List Microsoft Storage Providers

Gets the Microsoft CNG and legacy CryptoAPI storage providers that exist on the Windows system.

Important: This example requires Chilkat v9.5.0.83 or greater.

Chilkat ActiveX Downloads ActiveX for 32-bit and 64-bit Windows

-- Important: See this note about string length limitations for strings returned by sp_OAMethod calls.
--
CREATE PROCEDURE ChilkatSample
AS
BEGIN
    DECLARE @hr int
    -- Important: Do not use nvarchar(max).  See the warning about using nvarchar(max).
    DECLARE @sTmp0 nvarchar(4000)
    -- This example requires Chilkat v9.5.0.83 or greater.

    DECLARE @keyCon int
    -- Use "Chilkat_9_5_0.KeyContainer" for versions of Chilkat < 10.0.0
    EXEC @hr = sp_OACreate 'Chilkat.KeyContainer', @keyCon OUT
    IF @hr <> 0
    BEGIN
        PRINT 'Failed to create ActiveX component'
        RETURN
    END

    DECLARE @json int
    -- Use "Chilkat_9_5_0.JsonObject" for versions of Chilkat < 10.0.0
    EXEC @hr = sp_OACreate 'Chilkat.JsonObject', @json OUT

    EXEC sp_OASetProperty @json, 'EmitCompact', 0

    DECLARE @success int
    EXEC sp_OAMethod @keyCon, 'GetStorageProviders', @success OUT, @json
    IF @success <> 1
      BEGIN
        EXEC sp_OAGetProperty @keyCon, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @keyCon
        EXEC @hr = sp_OADestroy @json
        RETURN
      END

    EXEC sp_OAMethod @json, 'Emit', @sTmp0 OUT
    PRINT @sTmp0

    -- Sample JSON returned by GetStorageProviders

    -- {
    --   "cng": [
    --     "Microsoft Software Key Storage Provider",
    --     "Microsoft Passport Key Storage Provider",
    --     "Microsoft Platform Crypto Provider",
    --     "Microsoft Smart Card Key Storage Provider"
    --   ],
    --   "legacy": [
    --     "Microsoft Base Cryptographic Provider v1.0",
    --     "Microsoft Base DSS and Diffie-Hellman Cryptographic Provider",
    --     "Microsoft Base DSS Cryptographic Provider",
    --     "Microsoft Base Smart Card Crypto Provider",
    --     "Microsoft DH SChannel Cryptographic Provider",
    --     "Microsoft Enhanced Cryptographic Provider v1.0",
    --     "Microsoft Enhanced DSS and Diffie-Hellman Cryptographic Provider",
    --     "Microsoft Enhanced RSA and AES Cryptographic Provider",
    --     "Microsoft RSA SChannel Cryptographic Provider",
    --     "Microsoft Strong Cryptographic Provider"
    --   ]
    -- }

    -- Use this online tool to generate parsing code from sample JSON: 
    -- Generate Parsing Code from JSON

    DECLARE @name nvarchar(4000)

    -- Iterate over the CNG storage containers
    DECLARE @i int
    SELECT @i = 0
    DECLARE @numStorageContainers int
    EXEC sp_OAMethod @json, 'SizeOfArray', @numStorageContainers OUT, 'cng'
    WHILE @i < @numStorageContainers
      BEGIN
        EXEC sp_OASetProperty @json, 'I', @i
        EXEC sp_OAMethod @json, 'StringOf', @name OUT, 'cng[i]'

        PRINT @name
        SELECT @i = @i + 1
      END


    PRINT '--'

    -- Iterate over the legacy CryptoAPI Cryptographic Storage Providers
    SELECT @i = 0
    EXEC sp_OAMethod @json, 'SizeOfArray', @numStorageContainers OUT, 'legacy'
    WHILE @i < @numStorageContainers
      BEGIN
        EXEC sp_OASetProperty @json, 'I', @i
        EXEC sp_OAMethod @json, 'StringOf', @name OUT, 'legacy[i]'

        PRINT @name
        SELECT @i = @i + 1
      END

    EXEC @hr = sp_OADestroy @keyCon
    EXEC @hr = sp_OADestroy @json


END
GO