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Updated on 2026-08-14

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This commit is contained in:
Tangem 2019-11-25 13:53:30 +03:00
parent fe16bb4bcf
commit 8d716f97ed
11 changed files with 256 additions and 41 deletions
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24
tangem-core/src/test/java/com/tangem/common/extensions/IntExtensionsTest.kt Normal file
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@ -0,0 +1,24 @@
package com.tangem.common.extensions
import com.google.common.truth.Truth.assertThat
import org.junit.jupiter.api.Test
class IntExtensionsTest {
@Test
fun `small int toByteArray`() {
val int = 13
val expected = byteArrayOf(0, 0, 0, 13)
assertThat(int.toByteArray())
.isEqualTo(expected)
}
@Test
fun `int toByteArray`() {
val int = 999
val expected = byteArrayOf(0, 0, 3, -25)
assertThat(int.toByteArray())
.isEqualTo(expected)
}
}

35
tangem-core/src/test/java/com/tangem/common/tlv/TlvTest.kt
View file

@ -3,14 +3,8 @@ package com.tangem.common.tlv
import com.google.common.truth.Truth.assertThat
import com.tangem.common.extensions.calculateSha256
import com.tangem.common.extensions.hexToBytes
import com.tangem.common.extensions.toHexString
import com.tangem.crypto.CryptoUtils
import org.junit.Test
import org.junit.jupiter.api.Assertions.*
import javax.crypto.Cipher
import javax.crypto.SecretKey
import javax.crypto.spec.IvParameterSpec
import javax.crypto.spec.SecretKeySpec
class TlvTest {
@ -106,31 +100,4 @@ class TlvTest {
assertThat(tlvs1)
.isNull()
}
// @Test
fun `sldfj dslkf`() {
val privateKey = "C9A8827B83D554C2ED6C92A958A75691221A951775C36EBA858C039564ECDC3E"
val password = "theXlPiP42".calculateSha256()
val originalKey: SecretKey = SecretKeySpec(password, 0, password.size, "AES")
CryptoUtils.initCrypto()
fun decrypt(yourKey: SecretKey): ByteArray {
val decrypted: ByteArray
val cipher = Cipher.getInstance("AES", "SC")
cipher.init(Cipher.DECRYPT_MODE, yourKey, IvParameterSpec(ByteArray(cipher.blockSize)))
decrypted = cipher.doFinal(privateKey.hexToBytes())
return decrypted
}
val publicKey = CryptoUtils.generatePublicKey(
decrypt(originalKey)
)
assertThat(publicKey.toHexString())
.isEqualTo("041D020A29983E2BC36E6CEAD9D648A71AA54AD328F00D6336DD699BCEBD99B5F4DAAAAC5E8E6D72D0A94EA86CF0A41D367FE05DE4A1BD84C86D51CCA4AF357182")
}
}