EncryptionProxy

Call the EncryptionProxy SPI to encrypt or decrypt sensitive data.

Method signature

copy
public interface EncryptionProxy {
    String encrypt(String plainText);
    String decrypt(String cipherText);
}

Request parameters

Item

Type

Parameters

Description

Required

String encrypt(String plainText)

Function

String plainText

This function is used to encrypt sensitive data.

Required

String decrypt(String cipherText)

Function

String cipherText

This function is used to decrypt sensitive data.

Required

Response parameters

Item	Type	Description
/	String	The encrypted sensitive data.
/	String	The decrypted sensitive data.

Sample

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import com.iap.android.nfc.listener.spi.EncryptionProxy

class NFCDemoEncryptionProxy : EncryptionProxy {
    companion object {
        const val KEY = "1234560"
    }

    private fun String.xorEncryptAndDecrypt(): String {
        return mapIndexed { index, char ->
            val keyChar = KEY[index % KEY.length]
            (char.code xor keyChar.code).toChar()
        }.joinToString("")
    }

    override fun encrypt(p0: String?): String {
        p0 ?: return ""
        return p0.xorEncryptAndDecrypt()
    }

    override fun decrypt(p0: String?): String {
        p0 ?: return ""
        return p0.xorEncryptAndDecrypt()
    }

}