ktor-utils/io.ktor.util/StatelessHmacNonceManager

StatelessHmacNonceManager

class StatelessHmacNonceManager : NonceManager(source)

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

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Constructors

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constructor(keySpec: SecretKeySpec, algorithm: String = "HmacSHA256", timeoutMillis: Long = 6000, nonceGenerator: suspend () -> String = { generateNonceSuspend() })
constructor(key: ByteArray, algorithm: String = "HmacSHA256", timeoutMillis: Long = 60000, nonceGenerator: suspend () -> String = { generateNonceSuspend() })

Helper constructor that makes a secret key from key ByteArray

Properties

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val algorithm: String

HMAC algorithm name, HmacSHA256 by default

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val keySpec: SecretKeySpec

secret key spec for HMAC

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val nonceGenerator: () -> String

function that produces random values

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val timeoutMillis: Long

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

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