Multipart API continuation

multiplatform-crypto-api/src/commonMain/kotlin/com/ionspin/kotlin/crypto/authenticated/AuthenticatedSymmetricEncryption.kt

@@ -0,0 +1,36 @@
+package com.ionspin.kotlin.crypto.authenticated
+
+/**
+ * Created by Ugljesa Jovanovic
+ * ugljesa.jovanovic@ionspin.com
+ * on 22-Jun-2020
+ */
+interface AuthenticatedEncryption {
+    fun encrypt(key: UByteArray, nonce: UByteArray, message: UByteArray, additionalData: UByteArray) : UByteArray
+    fun decrypt(key: UByteArray, nonce: UByteArray, cipherText: UByteArray, additionalData: UByteArray) : UByteArray
+
+}
+
+data class EncryptedDataPart(val data : UByteArray)
+data class DecryptedDataPart(val data : UByteArray)
+
+data class MultipartEncryptedDataDescriptor(val data: UByteArray, val nonce: UByteArray)
+
+
+
+
+interface MultipartAuthenticatedVerification {
+    fun verifyPartialData(data: EncryptedDataPart)
+    fun finalizeVerificationAndPrepareDecryptor() : MultipartAuthenticatedDecryption
+}
+
+interface MultipartAuthenticatedDecryption {
+    fun decryptPartialData(data: EncryptedDataPart) : DecryptedDataPart
+}
+
+interface MultipartAuthenticatedEncryption {
+    fun encryptPartialData(data: UByteArray) : EncryptedDataPart
+    fun finish() : MultipartEncryptedDataDescriptor
+
+}
+

multiplatform-crypto-api/src/commonMain/kotlin/com/ionspin/kotlin/crypto/hash/HashFunction.kt

@@ -22,12 +22,12 @@ package com.ionspin.kotlin.crypto.hash
  * ugljesa.jovanovic@ionspin.com
  * on 20-Jul-2019
  */
-interface Hash {
+interface HashFunction {
     val MAX_HASH_BYTES : Int
 }
 
 
-interface UpdatableHash : Hash {
+interface MultiPartHash : HashFunction {
     fun update(data : UByteArray)
 
     fun digest() : UByteArray
@@ -35,7 +35,7 @@ interface UpdatableHash : Hash {
 }
 
 
-interface StatelessHash : Hash {
+interface Hash : HashFunction {
 
 }
 

multiplatform-crypto-api/src/commonMain/kotlin/com/ionspin/kotlin/crypto/hash/blake2b/Blake2b.kt

@@ -1,7 +1,7 @@
 package com.ionspin.kotlin.crypto.hash.blake2b
 
-import com.ionspin.kotlin.crypto.hash.StatelessHash
-import com.ionspin.kotlin.crypto.hash.UpdatableHash
+import com.ionspin.kotlin.crypto.hash.Hash
+import com.ionspin.kotlin.crypto.hash.MultiPartHash
 
 /**
  * Created by Ugljesa Jovanovic
@@ -13,12 +13,12 @@ object Blake2bProperties {
     const val MAX_HASH_BYTES = 64
 }
 
-interface Blake2b : UpdatableHash {
+interface Blake2b : MultiPartHash {
     override val MAX_HASH_BYTES: Int
         get() = Blake2bProperties.MAX_HASH_BYTES
 }
 
-interface Blake2bStateless : StatelessHash {
+interface Blake2bStateless : Hash {
     override val MAX_HASH_BYTES: Int
         get() = Blake2bProperties.MAX_HASH_BYTES
 

multiplatform-crypto-api/src/commonMain/kotlin/com/ionspin/kotlin/crypto/hash/sha/Sha256.kt

@@ -1,7 +1,7 @@
 package com.ionspin.kotlin.crypto.hash.sha
 
-import com.ionspin.kotlin.crypto.hash.StatelessHash
-import com.ionspin.kotlin.crypto.hash.UpdatableHash
+import com.ionspin.kotlin.crypto.hash.Hash
+import com.ionspin.kotlin.crypto.hash.MultiPartHash
 
 /**
  * Created by Ugljesa Jovanovic
@@ -12,11 +12,11 @@ object Sha256Properties {
     const val MAX_HASH_BYTES = 32
 }
 
-interface Sha256 : UpdatableHash {
+interface Sha256 : MultiPartHash {
     override val MAX_HASH_BYTES: Int
         get() = Sha256Properties.MAX_HASH_BYTES
 }
-interface StatelessSha256 : StatelessHash {
+interface StatelessSha256 : Hash {
     override val MAX_HASH_BYTES: Int
         get() = Sha256Properties.MAX_HASH_BYTES
 

multiplatform-crypto-api/src/commonMain/kotlin/com/ionspin/kotlin/crypto/hash/sha/Sha512.kt

@@ -1,7 +1,7 @@
 package com.ionspin.kotlin.crypto.hash.sha
 
-import com.ionspin.kotlin.crypto.hash.StatelessHash
-import com.ionspin.kotlin.crypto.hash.UpdatableHash
+import com.ionspin.kotlin.crypto.hash.Hash
+import com.ionspin.kotlin.crypto.hash.MultiPartHash
 
 /**
  * Created by Ugljesa Jovanovic
@@ -11,11 +11,11 @@ import com.ionspin.kotlin.crypto.hash.UpdatableHash
 object Sha512Properties {
     const val MAX_HASH_BYTES = 64
 }
-interface Sha512 : UpdatableHash {
+interface Sha512 : MultiPartHash {
     override val MAX_HASH_BYTES: Int
         get() = Sha256Properties.MAX_HASH_BYTES
 }
-interface StatelessSha512 : StatelessHash {
+interface StatelessSha512 : Hash {
     override val MAX_HASH_BYTES: Int
         get() = Sha512Properties.MAX_HASH_BYTES
 

multiplatform-crypto-api/src/commonMain/kotlin/com/ionspin/kotlin/crypto/util/ConversionUtil.kt

@@ -0,0 +1,7 @@
+package com.ionspin.kotlin.crypto.util
+
+/**
+ * Created by Ugljesa Jovanovic
+ * ugljesa.jovanovic@ionspin.com
+ * on 22-Jun-2020
+ */

multiplatform-crypto-api/src/commonMain/kotlin/com/ionspin/kotlin/crypto/util/CryptoUtil.kt

@@ -0,0 +1,18 @@
+package com.ionspin.kotlin.crypto.util
+
+/**
+ * Created by Ugljesa Jovanovic
+ * ugljesa.jovanovic@ionspin.com
+ * on 22-Jun-2020
+ */
+fun UByteArray.overwriteWithZeroes() {
+    for (i in 0 until size) {
+        this[i] = 0U
+    }
+}
+
+fun UIntArray.overwriteWithZeroes() {
+    for (i in 0 until size) {
+        this[i] = 0U
+    }
+}

multiplatform-crypto-api/src/commonMain/kotlin/com/ionspin/kotlin/crypto/util/StringUtil.kt

@@ -0,0 +1,56 @@
+package com.ionspin.kotlin.crypto.util
+
+/**
+ * Created by Ugljesa Jovanovic
+ * ugljesa.jovanovic@ionspin.com
+ * on 22-Jun-2020
+ */
+fun Array<Byte>.hexColumsPrint() {
+    val printout = this.map { it.toString(16) }.chunked(16)
+    printout.forEach { println(it.joinToString(separator = " ") { it.toUpperCase() }) }
+}
+
+fun Array<UByte>.hexColumsPrint(chunk : Int = 16) {
+    val printout = this.map { it.toString(16).padStart(2, '0') }.chunked(chunk)
+    printout.forEach { println(it.joinToString(separator = " ") { it.toUpperCase() }) }
+}
+
+fun UByteArray.hexColumsPrint(chunk : Int = 16) {
+    val printout = this.map { it.toString(16).padStart(2, '0') }.chunked(chunk)
+    printout.forEach { println(it.joinToString(separator = " ") { it.toUpperCase() }) }
+}
+
+fun Array<ULong>.hexColumsPrint(chunk: Int = 3) {
+    val printout = this.map { it.toString(16) }.chunked(chunk)
+    printout.forEach { println(it.joinToString(separator = " ") { it.toUpperCase() }) }
+}
+
+fun String.hexStringToTypedUByteArray() : Array<UByte> {
+    return this.chunked(2).map { it.toUByte(16) }.toTypedArray()
+}
+
+
+fun String.hexStringToUByteArray() : UByteArray {
+    return this.chunked(2).map { it.toUByte(16) }.toUByteArray()
+}
+
+fun Array<UByte>.toHexString() : String {
+    return this.joinToString(separator = "") {
+        if (it <= 0x0FU) {
+            "0${it.toString(16)}"
+        } else {
+            it.toString(16)
+        }
+    }
+}
+
+
+fun UByteArray.toHexString() : String {
+    return this.joinToString(separator = "") {
+        if (it <= 0x0FU) {
+            "0${it.toString(16)}"
+        } else {
+            it.toString(16)
+        }
+    }
+}