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Added scalarult tests, used case from libsodium scalamult.c test

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Ugljesa Jovanovic 2020-10-15 20:50:09 +02:00
parent c66fde8502
commit 2f62c6011b
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3 changed files with 52 additions and 2 deletions
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2
multiplatform-crypto-libsodium-bindings/src/commonMain/kotlin/com.ionspin.kotlin.crypto/scalarmut/ScalarMultiplication.kt → multiplatform-crypto-libsodium-bindings/src/commonMain/kotlin/com.ionspin.kotlin.crypto/scalarmult/ScalarMultiplication.kt
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@ -1,4 +1,4 @@
package com.ionspin.kotlin.crypto.scalarmut
package com.ionspin.kotlin.crypto.scalarmult
/**
* Created by Ugljesa Jovanovic

50
multiplatform-crypto-libsodium-bindings/src/commonTest/kotlin/com/ionspin/kotlin/crypto/scalarmult/ScalarMultiplicationTest.kt Normal file
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@ -0,0 +1,50 @@
package com.ionspin.kotlin.crypto.scalarmult
import com.ionspin.kotlin.crypto.util.toHexString
import kotlin.test.Test
import kotlin.test.assertTrue
/**
* Created by Ugljesa Jovanovic
* ugljesa.jovanovic@ionspin.com
* on 15-Oct-2020
*/
class ScalarMultiplicationTest {
val aliceSecretKey = ubyteArrayOf(
0x77U, 0x07U, 0x6dU, 0x0aU, 0x73U, 0x18U, 0xa5U, 0x7dU, 0x3cU, 0x16U, 0xc1U,
0x72U, 0x51U, 0xb2U, 0x66U, 0x45U, 0xdfU, 0x4cU, 0x2fU, 0x87U, 0xebU, 0xc0U,
0x99U, 0x2aU, 0xb1U, 0x77U, 0xfbU, 0xa5U, 0x1dU, 0xb9U, 0x2cU, 0x2aU
)
val bobSecretKey = ubyteArrayOf(
0x5dU, 0xabU, 0x08U, 0x7eU, 0x62U, 0x4aU, 0x8aU, 0x4bU, 0x79U, 0xe1U, 0x7fU,
0x8bU, 0x83U, 0x80U, 0x0eU, 0xe6U, 0x6fU, 0x3bU, 0xb1U, 0x29U, 0x26U, 0x18U,
0xb6U, 0xfdU, 0x1cU, 0x2fU, 0x8bU, 0x27U, 0xffU, 0x88U, 0xe0U, 0xebU
)
val expectedAlicePublicKeyString = "8520f0098930a754748b7ddcb43ef75a0dbf3a0d26381af4eba4a98eaa9b4e6a"
val expectedBobPublickKeyString = "de9edb7d7b7dc1b4d35b61c2ece435373f8343c85b78674dadfc7e146f882b4f"
val expectedSharedSecretString = "4a5d9d5ba4ce2de1728e3bf480350f25e07e21c947d19e3376f09b3c1e161742"
@Test
fun testScalarMultiplication() {
val alicePublicKey = ScalarMultiplication.scalarMultiplicationBase(aliceSecretKey)
assertTrue {
alicePublicKey.toHexString().equals(expectedAlicePublicKeyString)
}
val bobPublickKey = ScalarMultiplication.scalarMultiplicationBase(bobSecretKey)
assertTrue {
bobPublickKey.toHexString().equals(expectedBobPublickKeyString)
}
val aliceToBobSecret = ScalarMultiplication.scalarMultiplication(aliceSecretKey, bobPublickKey)
val bobToAliceSecret = ScalarMultiplication.scalarMultiplication(bobSecretKey, alicePublicKey)
assertTrue {
aliceToBobSecret.toHexString().equals(expectedSharedSecretString)
}
assertTrue {
bobToAliceSecret.toHexString().equals(expectedSharedSecretString)
}
println(aliceToBobSecret.toHexString())
}
}

2
multiplatform-crypto-libsodium-bindings/src/nativeMain/kotlin/com/ionspin/kotlin/crypto/scalarmut/ScalarMultiplication.kt → multiplatform-crypto-libsodium-bindings/src/nativeMain/kotlin/com/ionspin/kotlin/crypto/scalarmult/ScalarMultiplication.kt
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@ -1,4 +1,4 @@
package com.ionspin.kotlin.crypto.scalarmut
package com.ionspin.kotlin.crypto.scalarmult
import com.ionspin.kotlin.crypto.util.toPtr
import kotlinx.cinterop.pin