Classic ASP

Create JWT using a Certificate's Private Key

See more JSON Web Token (JWT) Examples

Demonstrates how to create a JWT using a certificate's private key. Classic ASP

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<%
success = 0

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

'  Demonstrates how to create a JWT using an certificate's private key.

set cert = Server.CreateObject("Chilkat.Cert")

'  Load an ECC private key from a PEM file.
success = cert.LoadPfxFile("c:/temp/myPfx.pfx","pfxPassword")
If (success <> 1) Then
    Response.Write "<pre>" & Server.HTMLEncode( cert.LastErrorText) & "</pre>"
    Response.End
End If

set jwt = Server.CreateObject("Chilkat.Jwt")

'  Build the JOSE header
set jose = Server.CreateObject("Chilkat.JsonObject")
'  Note: The IsEcdsa function was added in Chilkat v10.1.0
If (cert.IsEcdsa() = 1) Then
    '  Use ES256.  Pass the string "ES384" or "ES512" to use ECC with SHA-384 or SHA-512.
    success = jose.AppendString("alg","ES256")
Else
    '  Probably RSA...
    '  Use RS256.  Pass the string "RS384" or "RS512" to use RSA with SHA-384 or SHA-512.
    success = jose.AppendString("alg","RS256")
End If

success = jose.AppendString("typ","JWT")

'  Now build the JWT claims (also known as the payload)
set claims = Server.CreateObject("Chilkat.JsonObject")
success = claims.AppendString("iss","http://example.org")
success = claims.AppendString("sub","John")
success = claims.AppendString("aud","http://example.com")

'  Set the timestamp of when the JWT was created to now.
curDateTime = jwt.GenNumericDate(0)
success = claims.AddIntAt(-1,"iat",curDateTime)

'  Set the "not process before" timestamp to now.
success = claims.AddIntAt(-1,"nbf",curDateTime)

'  Set the timestamp defining an expiration time (end time) for the token
'  to be now + 1 hour (3600 seconds)
success = claims.AddIntAt(-1,"exp",curDateTime + 3600)

'  Produce the smallest possible JWT:
jwt.AutoCompact = 1

'  Create the JWT token.
token = jwt.CreateJwtCert(jose.Emit(),claims.Emit(),cert)

Response.Write "<pre>" & Server.HTMLEncode( token) & "</pre>"

'  Example output:
'  eyJhbGciOiJFUzI1NiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJodHRwOi8vZXhhbXBsZS5vcmciLCJzdWIiOiJKb2huIiwiYXVkIjoiaHR0cDovL2V4YW1wbGUuY29tIiwiaWF0IjoxNDg1NzA4NzkyLCJuYmYiOjE0ODU3MDg3OTIsImV4cCI6MTQ4NTcxMjM5Mn0.wqsuyJpxJ073ox-lOiLFqG1lQocXe4hGf2XGZJRrO3qn0UusxI_bu3Gzky8gBsH4sA4u9TWZn5M-1wYMMIJk6Q

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