INNER CODE UNIT · Swift

seal

jedisct1/swift-sodium · Sources/Sodium/Box.swift:78

    func seal(message: Bytes, recipientPublicKey: PublicKey, senderSecretKey: SecretKey, nonce: Nonce) -> Bytes? {
        guard recipientPublicKey.count == PublicKeyBytes,
              senderSecretKey.count == SecretKeyBytes,
              nonce.count == NonceBytes
        else { return nil }

        var authenticatedCipherText = Bytes(count: message.count + MacBytes)

        guard crypto_box_easy(
            &authenticatedCipherText,
            message,
            CUnsignedLongLong(message.count),
            nonce,
            recipientPublicKey,
            senderSecretKey
        ).exitCode == .SUCCESS else { return nil }

        return authenticatedCipherText

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