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

SessionTransportTransformerMessageAuthentication

class SessionTransportTransformerMessageAuthentication(val keySpec: SecretKeySpec, val algorithm: String = "HmacSHA256") : SessionTransportTransformer

A transformer used to sign session data. This transformer appends an algorithm MAC (Message Authentication Code) hash of the session data. It uses a specified keySpec when generating the MAC hash.

See also

Constructors

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

Functions

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open override fun transformRead(transportValue: String): String?

Untransforms a transportValue that represents a transformed session.

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open override fun transformWrite(transportValue: String): String

Transforms a transportValue that represents session data.

Properties

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val algorithm: String

is a message authentication algorithm name

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val keySpec: SecretKeySpec

is a secret key spec for message authentication