ktor-server-core/io.ktor.sessions/SessionTransportTransformerMessageAuthentication

SessionTransportTransformerMessageAuthentication

class SessionTransportTransformerMessageAuthentication(keySpec: SecretKeySpec, algorithm: String) : SessionTransportTransformer
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Session transformer that appends an algorithm MAC (Message Authentication Code) hash of the input. Where the input is either a session contents or a previous transformation. It uses a specified keySpec when generating the Mac hash.

Constructors

fun SessionTransportTransformerMessageAuthentication(key: ByteArray, algorithm: String = "HmacSHA256")
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fun SessionTransportTransformerMessageAuthentication(keySpec: SecretKeySpec, algorithm: String = "HmacSHA256")
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Functions

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open override fun transformRead(transportValue: String): String?
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Un-apply a transformation for transportValue representing a transformed session. Returns null if it fails.

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open override fun transformWrite(transportValue: String): String
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Apply a transformation for transportValue representing a session.

Properties

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val algorithm: String
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is a message authentication algorithm name

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val keySpec: SecretKeySpec
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is a secret key spec for message authentication