Android MD5 Test Suite / Unit Test / Test Vectors

fun String.toMD5(): String {    // toByteArray: default is Charsets.UTF_8 -    val bytes = MessageDigest.getInstance("MD5").digest(this.toByteArray())    return bytes.toHex()}fun ByteArray.toHex(): String {    return joinToString("") { "%02x".format(it) }}
@RunWith(AndroidJUnit4::class)class MD5Test {    @Test    fun test() {        // echo -n a | md5sum        //        val testSets = mapOf(            "" to "d41d8cd98f00b204e9800998ecf8427e",            "a" to "0cc175b9c0f1b6a831c399e269772661",            "abc" to "900150983cd24fb0d6963f7d28e17f72",            "message digest" to "f96b697d7cb7938d525a2f31aaf161d0",            "abcdefghijklmnopqrstuvwxyz" to "c3fcd3d76192e4007dfb496cca67e13b",            "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789" to "d174ab98d277d9f5a5611c2c9f419d9f",            "12345678901234567890123456789012345678901234567890123456789012345678901234567890" to "57edf4a22be3c955ac49da2e2107b67a",            "你好吗?" to "bb0b6bc45375143826f72439e050743e",            "お元気ですか" to "2e0bd9e58d042f5234a1202cc3c7d499"        )        for ((key, value) in testSets) {            assertThat(key.toMD5(), `is`(value))        }    }}

NOTE: Refer Get MD5 of String using Linux Command Line.


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