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Q: 

Problem with the Sha1Hash function of the Shiro Plugin

The Sha1Hash function is used to convert the passwords into hex format in order to store them. How we can pass a username and password as strings in the Bootstrap.groovy and create our users easily. IF i want to use a GSP to create a user,how do i go about using the Sha1hash function. This functin when given sha1hash(params.password)returns a nullpointer execption...What should i do ??

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