com.pubnub.internal.crypto.cryptor.CryptorHeader.kt Maven / Gradle / Ivy

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package com.pubnub.internal.crypto.cryptor

internal class CryptorHeader(
    val sentinel: ByteArray, // 4 bytes
    val version: Byte, // 1 byte
    val cryptorId: ByteArray, // 4 bytes
    val cryptorDataSize: ByteArray, // 1 or 3 bytes
    val cryptorData: ByteArray, // 0-65535 bytes
) {
    fun toByteArray(): ByteArray {
        return sentinel + version + cryptorId + cryptorDataSize + cryptorData
    }

    override fun equals(other: Any?): Boolean {
        if (this === other) {
            return true
        }
        if (javaClass != other?.javaClass) {
            return false
        }

        other as CryptorHeader

        if (!sentinel.contentEquals(other.sentinel)) {
            return false
        }
        if (version != other.version) {
            return false
        }
        if (!cryptorId.contentEquals(other.cryptorId)) {
            return false
        }
        if (!cryptorDataSize.contentEquals(other.cryptorDataSize)) {
            return false
        }
        if (!cryptorData.contentEquals(other.cryptorData)) {
            return false
        }

        return true
    }

    override fun hashCode(): Int {
        var result = sentinel.contentHashCode()
        result = 31 * result + version
        result = 31 * result + cryptorId.contentHashCode()
        result = 31 * result + cryptorDataSize.contentHashCode()
        result = 31 * result + cryptorData.contentHashCode()
        return result
    }
}