SQL Server

Export Private Keys from Java KeyStore to JWK Set

See more Java KeyStore (JKS) Examples

Demonstrates how to export the private keys from a Java KeyStore to a JWK Set. Each private key alias is exported to the "kid" parameter.

Note: This example requires Chilkat v9.5.0.66 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
    -- Important: Do not use nvarchar(max).  See the warning about using nvarchar(max).
    DECLARE @sTmp0 nvarchar(4000)
    DECLARE @success int
    SELECT @success = 0

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

    -- Note: This example requires Chilkat v9.5.0.66 or greater.

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

    DECLARE @jksPassword nvarchar(4000)
    SELECT @jksPassword = 'secret'

    -- Load the Java keystore from a file.  The JKS file password is used
    -- to verify the keyed digest that is found at the very end of the keystore.
    -- It verifies that the keystore has not been modified.
    EXEC sp_OAMethod @jks, 'LoadFile', @success OUT, @jksPassword, 'qa_data/jks/test_secret.jks'
    IF @success <> 1
      BEGIN
        EXEC sp_OAGetProperty @jks, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @jks
        RETURN
      END

    -- Export to JWK Set format.
    -- (Exports the compact 1-line JSON string to a StringBuilder..)
    DECLARE @sbJwkSet int
    EXEC @hr = sp_OACreate 'Chilkat.StringBuilder', @sbJwkSet OUT

    EXEC sp_OAMethod @jks, 'ToJwkSet', @success OUT, @jksPassword, @sbJwkSet
    IF @success <> 1
      BEGIN
        EXEC sp_OAGetProperty @jks, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @jks
        EXEC @hr = sp_OADestroy @sbJwkSet
        RETURN
      END

    -- To get in human-readable format, load into a JSON object and emit non-compact.
    DECLARE @json int
    EXEC @hr = sp_OACreate 'Chilkat.JsonObject', @json OUT

    EXEC sp_OAMethod @json, 'LoadSb', @success OUT, @sbJwkSet
    EXEC sp_OASetProperty @json, 'EmitCompact', 0
    EXEC sp_OAMethod @json, 'Emit', @sTmp0 OUT
    PRINT @sTmp0

    -- Sample output:

    -- { 
    --   "keys": [
    --     { 
    --       "kty": "RSA",
    --       "n": "yADdNtY3GcgAfwUhvf-ETRbcLFUaecY7lR9UWvBPW6zbzgvUwJRIcxadWFmtFXGZKxLXjKUmNjH8bm9d-cv2l1am1_s-FJN05qxGGNYvQ8EE6BFIkbgREMtpJ9F_BRjuurcIiilYGZ7FxMZDWb5Y5PLmW3JWJzUcCBgchMThzn68m0YpJjxqiVO1LLA-zULccjYyYXpSo0VWNxxaedm7DkJujADJ0-fKtX82vtGKnj8-zvF72CZf_DMhIirIK4Ryzz23-LbNY0b0BS_IQxybZxWpiI8hptciUIaIBIszii-0q3VH5pw0qL8Ec4BiA9pDzThgad3LBdySA-RcPxym6Q",
    --       "e": "AQAB",
    --       "d": "U63o4DSoQSUo7_wZrgDmPcq-u92vghuqei3tgU7iJR0hqgfRL_Hajix8EKcUf9BToW30uWevoSUw1JPL4eOwfIlIrTz1MG6xjoGtol6az-JGR0JT9oPov_obOQmx91QDLiO-cu_xaGbBoB7Dtxyo3MG0F7ayzRyvacOMyxAE2fv24ypb2cYiVNKrsYIGm1QvXvsbkBHW9cCxTSRR3J-jKeYt6X2Lge08z6XpuT7i-a1F_fPKRPWzMwgW1AunHa5GZBAuFZt3_Nv5Gg1RcIOZbax4Xm_7plSFXs76byDFrDQbx9KthTLdGRblRlXMaWmtGBHAmPqcAP45zRCLEO53cQ",
    --       "p": "8uWk3bslzAYbtpxbQumWqIIeMurtH5CEOQv1NzGYLb8q4JRp9mysG1gsJk9_D5-JyqYZd4jkCj9pHgrY5q4J9LmVtJMUsl7m7qp7zqgWK2Q1pOTFH7bwa7omGUqqmSYJdA6rWqq3hiOPOtu5uQgZA0zZCX6o8Y19E55jdI1qM2M",
    --       "q": "0sreI4hZKsC3crSA026bfAWBsqbwBgBr06gOiWl6p4xTRV8dVUtKyMA51_CRSu06oQ4zP6TRGnbPq9CHJIMRN15hX7J5iLJA-ApjgFRItPAvUeEkxha9CfwtCMEqw0Zea1-FH-mLQZ9nJeXyoHnjBpmz_pKE-5HlbJbtKsCCPEM",
    --       "dp": "I2UPZzg0Q8zIEQ4rxk5fo-KCIA1XzHe0rNNvQkG52UC4MM2vuzcOxVVN6a8_5rjqzVry7xZFlLC00qnl_Ydy7_RzOkMMiwmFQVYagHzB7kTGBGdJyltQIYKYtqrIvVRroDvbAHVMFQHthzgpkir56h8yqU2JtNlXVpqIB53r0d0",
    --       "dq": "zGHXMSyrCEEDnjxWDKtaJs5QCyDB6Y_O_NIeBi43tuzgcIrgrirqv-tiKnYe6j9KcY6LMlJkTPyWL0lpP4W107G3SEqMfHYZeGbaQzt1o7qepw1d0pOJh3zzTWG-TMiWFBXxxhdz5pTgNmbW8bI85dFyLIt0VVgI01kjbChsHnE",
    --       "qi": "52wp71nLXtQwu7bH-yYp8No4ru3Vbr6BjzzN7kXTwxLmalzQFRkDUcKzYuOpwgJwCj0REsAnIGXKT4p6PXouzxGFad7dFEINrt3ezXUkN0HVobu0GoOTjlQqJHrkDJM111UVrAgQlr7BVIsx_FbE9hbpGlkeTmim_FCBa12CJhY",
    --       "kid": "test"
    --     },
    --     { 
    --       "kty": "EC",
    --       "crv": "P-256",
    --       "x": "MKBCTNIcKUSDii11ySs3526iDZ8AiTo7Tu6KPAqv7D4",
    --       "y": "4Etl6SRW2YiLUrN5vfvVHuhp7x8PxltmWWlbbM4IFyM",
    --       "d": "870MB6gfuTJ4HtUnUvYMyJpr5eUZNP4Bk43bVdj3eAE",
    --       "kid": "1"
    --     }
    --   ]
    -- }

    EXEC @hr = sp_OADestroy @jks
    EXEC @hr = sp_OADestroy @sbJwkSet
    EXEC @hr = sp_OADestroy @json


END
GO