StatelessHmacNonceManager

class StatelessHmacNonceManager(val keySpec: SecretKeySpec, val algorithm: String = "HmacSHA256", val timeoutMillis: Long = 60000, val nonceGenerator: () -> String = { generateNonce() }) : NonceManager(source)

Stateless nonce manager implementation with HMAC verification and timeout. Every nonce provided by this manager consist of a random part, timestamp and HMAC.

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Constructors

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constructor(keySpec: SecretKeySpec, algorithm: String = "HmacSHA256", timeoutMillis: Long = 60000, nonceGenerator: () -> String = { generateNonce() })
constructor(key: ByteArray, algorithm: String = "HmacSHA256", timeoutMillis: Long = 60000, nonceGenerator: () -> String = { generateNonce() })

Helper constructor that makes a secret key from key ByteArray

Properties

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HMAC algorithm name, HmacSHA256 by default

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secret key spec for HMAC

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function that produces random values

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specifies the amount of time for a nonce to be considered valid

Functions

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open suspend override fun newNonce(): String

Generate new nonce instance

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open suspend override fun verifyNonce(nonce: String): Boolean

Verify nonce value