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-rw-r--r--crypto/pgpainless/build.gradle.kts18
-rw-r--r--crypto/pgpainless/lint-baseline.xml4
-rw-r--r--crypto/pgpainless/src/main/kotlin/app/passwordstore/crypto/KeyUtils.kt52
-rw-r--r--crypto/pgpainless/src/main/kotlin/app/passwordstore/crypto/PGPDecryptOptions.kt21
-rw-r--r--crypto/pgpainless/src/main/kotlin/app/passwordstore/crypto/PGPEncryptOptions.kt35
-rw-r--r--crypto/pgpainless/src/main/kotlin/app/passwordstore/crypto/PGPIdentifier.kt128
-rw-r--r--crypto/pgpainless/src/main/kotlin/app/passwordstore/crypto/PGPKey.kt12
-rw-r--r--crypto/pgpainless/src/main/kotlin/app/passwordstore/crypto/PGPKeyManager.kt154
-rw-r--r--crypto/pgpainless/src/main/kotlin/app/passwordstore/crypto/PGPainlessCryptoHandler.kt139
-rw-r--r--crypto/pgpainless/src/test/kotlin/app/passwordstore/crypto/CryptoConstants.kt14
-rw-r--r--crypto/pgpainless/src/test/kotlin/app/passwordstore/crypto/KeyUtilsTest.kt35
-rw-r--r--crypto/pgpainless/src/test/kotlin/app/passwordstore/crypto/PGPIdentifierTest.kt41
-rw-r--r--crypto/pgpainless/src/test/kotlin/app/passwordstore/crypto/PGPKeyManagerTest.kt236
-rw-r--r--crypto/pgpainless/src/test/kotlin/app/passwordstore/crypto/PGPainlessCryptoHandlerTest.kt148
-rw-r--r--crypto/pgpainless/src/test/kotlin/app/passwordstore/crypto/TestUtils.kt32
-rw-r--r--crypto/pgpainless/src/test/resources/aead_pub51
-rw-r--r--crypto/pgpainless/src/test/resources/aead_sec107
-rw-r--r--crypto/pgpainless/src/test/resources/alice_owner@example_com16
-rw-r--r--crypto/pgpainless/src/test/resources/bobby_owner@example_com16
-rw-r--r--crypto/pgpainless/src/test/resources/public_key21
-rw-r--r--crypto/pgpainless/src/test/resources/public_key_multiple_identities51
-rw-r--r--crypto/pgpainless/src/test/resources/secret_key26
-rw-r--r--crypto/pgpainless/src/test/resources/secret_key_multiple_identities93
23 files changed, 1450 insertions, 0 deletions
diff --git a/crypto/pgpainless/build.gradle.kts b/crypto/pgpainless/build.gradle.kts
new file mode 100644
index 00000000..29f5bb1f
--- /dev/null
+++ b/crypto/pgpainless/build.gradle.kts
@@ -0,0 +1,18 @@
+/*
+ * Copyright © 2014-2021 The Android Password Store Authors. All Rights Reserved.
+ * SPDX-License-Identifier: GPL-3.0-only
+ */
+plugins { id("com.github.android-password-store.kotlin-jvm-library") }
+
+dependencies {
+ api(projects.crypto.common)
+ implementation(projects.coroutineUtils)
+ implementation(libs.androidx.annotation)
+ implementation(libs.dagger.hilt.core)
+ implementation(libs.kotlinx.coroutines.core)
+ implementation(libs.thirdparty.kotlinResult)
+ implementation(libs.thirdparty.pgpainless)
+ testImplementation(libs.bundles.testDependencies)
+ testImplementation(libs.kotlinx.coroutines.test)
+ testImplementation(libs.testing.testparameterinjector)
+}
diff --git a/crypto/pgpainless/lint-baseline.xml b/crypto/pgpainless/lint-baseline.xml
new file mode 100644
index 00000000..2ed8a3bb
--- /dev/null
+++ b/crypto/pgpainless/lint-baseline.xml
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<issues format="6" by="lint 8.2.0-alpha14" type="baseline" client="gradle" dependencies="false" name="AGP (8.2.0-alpha14)" variant="all" version="8.2.0-alpha14">
+
+</issues>
diff --git a/crypto/pgpainless/src/main/kotlin/app/passwordstore/crypto/KeyUtils.kt b/crypto/pgpainless/src/main/kotlin/app/passwordstore/crypto/KeyUtils.kt
new file mode 100644
index 00000000..5b23dc18
--- /dev/null
+++ b/crypto/pgpainless/src/main/kotlin/app/passwordstore/crypto/KeyUtils.kt
@@ -0,0 +1,52 @@
+/*
+ * Copyright © 2014-2022 The Android Password Store Authors. All Rights Reserved.
+ * SPDX-License-Identifier: GPL-3.0-only
+ */
+
+package app.passwordstore.crypto
+
+import app.passwordstore.crypto.PGPIdentifier.KeyId
+import app.passwordstore.crypto.PGPIdentifier.UserId
+import com.github.michaelbull.result.get
+import com.github.michaelbull.result.runCatching
+import org.bouncycastle.openpgp.PGPKeyRing
+import org.pgpainless.PGPainless
+import org.pgpainless.key.parsing.KeyRingReader
+
+/** Utility methods to deal with [PGPKey]s. */
+public object KeyUtils {
+ /**
+ * Attempts to parse a [PGPKeyRing] from a given [key]. The key is first tried as a secret key and
+ * then as a public one before the method gives up and returns null.
+ */
+ public fun tryParseKeyring(key: PGPKey): PGPKeyRing? {
+ return runCatching { KeyRingReader.readKeyRing(key.contents.inputStream()) }.get()
+ }
+
+ /** Parses a [PGPKeyRing] from the given [key] and calculates its long key ID */
+ public fun tryGetId(key: PGPKey): KeyId? {
+ val keyRing = tryParseKeyring(key) ?: return null
+ return KeyId(keyRing.publicKey.keyID)
+ }
+
+ /**
+ * Attempts to parse the given [PGPKey] into a [PGPKeyRing] and obtains the [UserId] of the
+ * corresponding public key.
+ */
+ public fun tryGetEmail(key: PGPKey): UserId? {
+ val keyRing = tryParseKeyring(key) ?: return null
+ return UserId(keyRing.publicKey.userIDs.next())
+ }
+
+ /**
+ * Tests if the given [key] can be used for encryption, which is a bare minimum necessity for the
+ * app.
+ */
+ public fun isKeyUsable(key: PGPKey): Boolean {
+ return runCatching {
+ val keyRing = tryParseKeyring(key) ?: return false
+ PGPainless.inspectKeyRing(keyRing).isUsableForEncryption
+ }
+ .get() != null
+ }
+}
diff --git a/crypto/pgpainless/src/main/kotlin/app/passwordstore/crypto/PGPDecryptOptions.kt b/crypto/pgpainless/src/main/kotlin/app/passwordstore/crypto/PGPDecryptOptions.kt
new file mode 100644
index 00000000..15ce92f0
--- /dev/null
+++ b/crypto/pgpainless/src/main/kotlin/app/passwordstore/crypto/PGPDecryptOptions.kt
@@ -0,0 +1,21 @@
+package app.passwordstore.crypto
+
+/** [CryptoOptions] implementation for PGPainless decrypt operations. */
+public class PGPDecryptOptions
+private constructor(
+ private val values: Map<String, Boolean>,
+) : CryptoOptions {
+
+ override fun isOptionEnabled(option: String): Boolean {
+ return values.getOrDefault(option, false)
+ }
+
+ /** Implementation of a builder pattern for [PGPDecryptOptions]. */
+ public class Builder {
+
+ /** Build the final [PGPDecryptOptions] object. */
+ public fun build(): PGPDecryptOptions {
+ return PGPDecryptOptions(emptyMap())
+ }
+ }
+}
diff --git a/crypto/pgpainless/src/main/kotlin/app/passwordstore/crypto/PGPEncryptOptions.kt b/crypto/pgpainless/src/main/kotlin/app/passwordstore/crypto/PGPEncryptOptions.kt
new file mode 100644
index 00000000..90de6b51
--- /dev/null
+++ b/crypto/pgpainless/src/main/kotlin/app/passwordstore/crypto/PGPEncryptOptions.kt
@@ -0,0 +1,35 @@
+package app.passwordstore.crypto
+
+/** [CryptoOptions] implementation for PGPainless encrypt operations. */
+public class PGPEncryptOptions
+private constructor(
+ private val values: Map<String, Boolean>,
+) : CryptoOptions {
+
+ internal companion object {
+ const val ASCII_ARMOR = "ASCII_ARMOR"
+ }
+
+ override fun isOptionEnabled(option: String): Boolean {
+ return values.getOrDefault(option, false)
+ }
+
+ /** Implementation of a builder pattern for [PGPEncryptOptions]. */
+ public class Builder {
+ private val optionsMap = mutableMapOf<String, Boolean>()
+
+ /**
+ * Toggle whether the encryption operation output will be ASCII armored or in OpenPGP's binary
+ * format.
+ */
+ public fun withAsciiArmor(enabled: Boolean): Builder {
+ optionsMap[ASCII_ARMOR] = enabled
+ return this
+ }
+
+ /** Build the final [PGPEncryptOptions] object. */
+ public fun build(): PGPEncryptOptions {
+ return PGPEncryptOptions(optionsMap)
+ }
+ }
+}
diff --git a/crypto/pgpainless/src/main/kotlin/app/passwordstore/crypto/PGPIdentifier.kt b/crypto/pgpainless/src/main/kotlin/app/passwordstore/crypto/PGPIdentifier.kt
new file mode 100644
index 00000000..98a1de2e
--- /dev/null
+++ b/crypto/pgpainless/src/main/kotlin/app/passwordstore/crypto/PGPIdentifier.kt
@@ -0,0 +1,128 @@
+/*
+ * Copyright © 2014-2022 The Android Password Store Authors. All Rights Reserved.
+ * SPDX-License-Identifier: GPL-3.0-only
+ */
+
+package app.passwordstore.crypto
+
+import java.util.Locale
+import java.util.regex.Pattern
+
+/** Supertype for valid identifiers of PGP keys. */
+public sealed class PGPIdentifier {
+
+ /** A [PGPIdentifier] that represents either a long key ID or a fingerprint. */
+ public data class KeyId(val id: Long) : PGPIdentifier() {
+ override fun toString(): String {
+ return convertKeyIdToHex(id)
+ }
+
+ /** Convert a [Long] key ID to a formatted string. */
+ private fun convertKeyIdToHex(keyId: Long): String {
+ return convertKeyIdToHex32bit(keyId shr HEX_32_BIT_COUNT) + convertKeyIdToHex32bit(keyId)
+ }
+
+ /**
+ * Converts [keyId] to an unsigned [Long] then uses [java.lang.Long.toHexString] to convert it
+ * to a lowercase hex ID.
+ */
+ private fun convertKeyIdToHex32bit(keyId: Long): String {
+ var hexString = java.lang.Long.toHexString(keyId and HEX_32_BITMASK).lowercase(Locale.ENGLISH)
+ while (hexString.length < HEX_32_STRING_LENGTH) {
+ hexString = "0$hexString"
+ }
+ return hexString
+ }
+ }
+
+ /**
+ * A [PGPIdentifier] that represents the textual name/email combination corresponding to a key.
+ * Despite the [email] property in this class, the value is not guaranteed to be a valid email.
+ */
+ public data class UserId(val email: String) : PGPIdentifier() {
+ override fun toString(): String {
+ return email
+ }
+ }
+
+ public companion object {
+ private const val HEX_RADIX = 16
+ private const val HEX_32_BIT_COUNT = 32
+ private const val HEX_32_BITMASK = 0xffffffffL
+ private const val HEX_32_STRING_LENGTH = 8
+ private const val TRUNCATED_FINGERPRINT_LENGTH = 16
+
+ /**
+ * Attempts to parse an untyped String identifier into a concrete subtype of [PGPIdentifier].
+ */
+ @Suppress("ReturnCount")
+ public fun fromString(identifier: String): PGPIdentifier? {
+ if (identifier.isEmpty()) return null
+ // Match long key IDs:
+ // FF22334455667788 or 0xFF22334455667788
+ val maybeLongKeyId =
+ identifier.removePrefix("0x").takeIf { it.matches("[a-fA-F\\d]{16}".toRegex()) }
+ if (maybeLongKeyId != null) {
+ val keyId = maybeLongKeyId.toULong(HEX_RADIX)
+ return KeyId(keyId.toLong())
+ }
+
+ // Match fingerprints:
+ // FF223344556677889900112233445566778899 or 0xFF223344556677889900112233445566778899
+ val maybeFingerprint =
+ identifier.removePrefix("0x").takeIf { it.matches("[a-fA-F\\d]{40}".toRegex()) }
+ if (maybeFingerprint != null) {
+ // Truncating to the long key ID is not a security issue since OpenKeychain only
+ // accepts
+ // non-ambiguous key IDs.
+ val keyId = maybeFingerprint.takeLast(TRUNCATED_FINGERPRINT_LENGTH).toULong(HEX_RADIX)
+ return KeyId(keyId.toLong())
+ }
+
+ return splitUserId(identifier)?.let { UserId(it) }
+ }
+
+ private object UserIdRegex {
+ val PATTERN: Pattern = Pattern.compile("^(.*?)(?: \\((.*)\\))?(?: <(.*)>)?$")
+ const val NAME = 1
+ const val EMAIL = 3
+ }
+
+ private object EmailRegex {
+ val PATTERN: Pattern = Pattern.compile("^<?\"?([^<>\"]*@[^<>\"]*[.]?[^<>\"]*)\"?>?$")
+ const val EMAIL = 1
+ }
+
+ /**
+ * Takes a 'Name (Comment) <Email>' user ID in any of its permutations and attempts to extract
+ * an email from it.
+ */
+ @Suppress("NestedBlockDepth")
+ private fun splitUserId(userId: String): String? {
+ if (userId.isNotEmpty()) {
+ val matcher = UserIdRegex.PATTERN.matcher(userId)
+ if (matcher.matches()) {
+ var name =
+ if (matcher.group(UserIdRegex.NAME)?.isEmpty() == true) null
+ else matcher.group(UserIdRegex.NAME)
+ var email = matcher.group(UserIdRegex.EMAIL)
+ if (email != null && name != null) {
+ val emailMatcher = EmailRegex.PATTERN.matcher(name)
+ if (emailMatcher.matches() && email == emailMatcher.group(EmailRegex.EMAIL)) {
+ email = emailMatcher.group(EmailRegex.EMAIL)
+ name = null
+ }
+ }
+ if (email == null && name != null) {
+ val emailMatcher = EmailRegex.PATTERN.matcher(name)
+ if (emailMatcher.matches()) {
+ email = emailMatcher.group(EmailRegex.EMAIL)
+ }
+ }
+ return email
+ }
+ }
+ return null
+ }
+ }
+}
diff --git a/crypto/pgpainless/src/main/kotlin/app/passwordstore/crypto/PGPKey.kt b/crypto/pgpainless/src/main/kotlin/app/passwordstore/crypto/PGPKey.kt
new file mode 100644
index 00000000..a33655d4
--- /dev/null
+++ b/crypto/pgpainless/src/main/kotlin/app/passwordstore/crypto/PGPKey.kt
@@ -0,0 +1,12 @@
+/*
+ * Copyright © 2014-2021 The Android Password Store Authors. All Rights Reserved.
+ * SPDX-License-Identifier: GPL-3.0-only
+ */
+
+package app.passwordstore.crypto
+
+/**
+ * A simple value class wrapping over a [ByteArray] that can represent a PGP key. The implementation
+ * details of public/ private parts as well as identities are deferred to [PGPKeyManager].
+ */
+@JvmInline public value class PGPKey(public val contents: ByteArray)
diff --git a/crypto/pgpainless/src/main/kotlin/app/passwordstore/crypto/PGPKeyManager.kt b/crypto/pgpainless/src/main/kotlin/app/passwordstore/crypto/PGPKeyManager.kt
new file mode 100644
index 00000000..aed1acf2
--- /dev/null
+++ b/crypto/pgpainless/src/main/kotlin/app/passwordstore/crypto/PGPKeyManager.kt
@@ -0,0 +1,154 @@
+/*
+ * Copyright © 2014-2021 The Android Password Store Authors. All Rights Reserved.
+ * SPDX-License-Identifier: GPL-3.0-only
+ */
+@file:Suppress("BlockingMethodInNonBlockingContext")
+
+package app.passwordstore.crypto
+
+import androidx.annotation.VisibleForTesting
+import app.passwordstore.crypto.KeyUtils.isKeyUsable
+import app.passwordstore.crypto.KeyUtils.tryGetId
+import app.passwordstore.crypto.KeyUtils.tryParseKeyring
+import app.passwordstore.crypto.errors.InvalidKeyException
+import app.passwordstore.crypto.errors.KeyAlreadyExistsException
+import app.passwordstore.crypto.errors.KeyDeletionFailedException
+import app.passwordstore.crypto.errors.KeyDirectoryUnavailableException
+import app.passwordstore.crypto.errors.KeyNotFoundException
+import app.passwordstore.crypto.errors.NoKeysAvailableException
+import app.passwordstore.crypto.errors.UnusableKeyException
+import app.passwordstore.util.coroutines.runSuspendCatching
+import com.github.michaelbull.result.Result
+import com.github.michaelbull.result.unwrap
+import java.io.File
+import javax.inject.Inject
+import kotlinx.coroutines.CoroutineDispatcher
+import kotlinx.coroutines.withContext
+import org.bouncycastle.openpgp.PGPPublicKeyRing
+import org.bouncycastle.openpgp.PGPSecretKeyRing
+import org.pgpainless.PGPainless
+import org.pgpainless.util.selection.userid.SelectUserId
+
+public class PGPKeyManager
+@Inject
+constructor(
+ filesDir: String,
+ private val dispatcher: CoroutineDispatcher,
+) : KeyManager<PGPKey, PGPIdentifier> {
+
+ private val keyDir = File(filesDir, KEY_DIR_NAME)
+
+ /** @see KeyManager.addKey */
+ override suspend fun addKey(key: PGPKey, replace: Boolean): Result<PGPKey, Throwable> =
+ withContext(dispatcher) {
+ runSuspendCatching {
+ if (!keyDirExists()) throw KeyDirectoryUnavailableException
+ val incomingKeyRing = tryParseKeyring(key) ?: throw InvalidKeyException
+ if (!isKeyUsable(key)) throw UnusableKeyException
+ val keyFile = File(keyDir, "${tryGetId(key)}.$KEY_EXTENSION")
+ if (keyFile.exists()) {
+ val existingKeyBytes = keyFile.readBytes()
+ val existingKeyRing =
+ tryParseKeyring(PGPKey(existingKeyBytes)) ?: throw InvalidKeyException
+ when {
+ existingKeyRing is PGPPublicKeyRing && incomingKeyRing is PGPSecretKeyRing -> {
+ keyFile.writeBytes(key.contents)
+ return@runSuspendCatching key
+ }
+ existingKeyRing is PGPPublicKeyRing && incomingKeyRing is PGPPublicKeyRing -> {
+ val updatedPublicKey = PGPainless.mergeCertificate(existingKeyRing, incomingKeyRing)
+ val keyBytes = PGPainless.asciiArmor(updatedPublicKey).encodeToByteArray()
+ keyFile.writeBytes(keyBytes)
+ return@runSuspendCatching key
+ }
+ }
+ // Check for replace flag first and if it is false, throw an error
+ if (!replace)
+ throw KeyAlreadyExistsException(
+ tryGetId(key)?.toString() ?: "Failed to retrieve key ID"
+ )
+ if (!keyFile.delete()) throw KeyDeletionFailedException
+ }
+
+ keyFile.writeBytes(key.contents)
+
+ key
+ }
+ }
+
+ /** @see KeyManager.removeKey */
+ override suspend fun removeKey(identifier: PGPIdentifier): Result<Unit, Throwable> =
+ withContext(dispatcher) {
+ runSuspendCatching {
+ if (!keyDirExists()) throw KeyDirectoryUnavailableException
+ val key = getKeyById(identifier).unwrap()
+ val keyFile = File(keyDir, "${tryGetId(key)}.$KEY_EXTENSION")
+ if (keyFile.exists()) {
+ if (!keyFile.delete()) throw KeyDeletionFailedException
+ }
+ }
+ }
+
+ /** @see KeyManager.getKeyById */
+ override suspend fun getKeyById(id: PGPIdentifier): Result<PGPKey, Throwable> =
+ withContext(dispatcher) {
+ runSuspendCatching {
+ if (!keyDirExists()) throw KeyDirectoryUnavailableException
+ val keyFiles = keyDir.listFiles()
+ if (keyFiles.isNullOrEmpty()) throw NoKeysAvailableException
+ val keys = keyFiles.map { file -> PGPKey(file.readBytes()) }
+
+ val matchResult =
+ when (id) {
+ is PGPIdentifier.KeyId -> {
+ val keyIdMatch =
+ keys
+ .map { key -> key to tryGetId(key) }
+ .firstOrNull { (_, keyId) -> keyId?.id == id.id }
+ keyIdMatch?.first
+ }
+ is PGPIdentifier.UserId -> {
+ val selector = SelectUserId.byEmail(id.email)
+ val userIdMatch =
+ keys
+ .map { key -> key to tryParseKeyring(key) }
+ .firstOrNull { (_, keyRing) -> selector.firstMatch(keyRing) != null }
+ userIdMatch?.first
+ }
+ }
+
+ if (matchResult != null) {
+ return@runSuspendCatching matchResult
+ }
+
+ throw KeyNotFoundException("$id")
+ }
+ }
+
+ /** @see KeyManager.getAllKeys */
+ override suspend fun getAllKeys(): Result<List<PGPKey>, Throwable> =
+ withContext(dispatcher) {
+ runSuspendCatching {
+ if (!keyDirExists()) throw KeyDirectoryUnavailableException
+ val keyFiles = keyDir.listFiles()
+ if (keyFiles.isNullOrEmpty()) return@runSuspendCatching emptyList()
+ keyFiles.map { keyFile -> PGPKey(keyFile.readBytes()) }.toList()
+ }
+ }
+
+ /** @see KeyManager.getKeyById */
+ override suspend fun getKeyId(key: PGPKey): PGPIdentifier? = tryGetId(key)
+
+ /** Checks if [keyDir] exists and attempts to create it if not. */
+ private fun keyDirExists(): Boolean {
+ return keyDir.exists() || keyDir.mkdirs()
+ }
+
+ public companion object {
+
+ @VisibleForTesting(otherwise = VisibleForTesting.PRIVATE)
+ internal const val KEY_DIR_NAME: String = "keys"
+ @VisibleForTesting(otherwise = VisibleForTesting.PRIVATE)
+ internal const val KEY_EXTENSION: String = "key"
+ }
+}
diff --git a/crypto/pgpainless/src/main/kotlin/app/passwordstore/crypto/PGPainlessCryptoHandler.kt b/crypto/pgpainless/src/main/kotlin/app/passwordstore/crypto/PGPainlessCryptoHandler.kt
new file mode 100644
index 00000000..a7087acf
--- /dev/null
+++ b/crypto/pgpainless/src/main/kotlin/app/passwordstore/crypto/PGPainlessCryptoHandler.kt
@@ -0,0 +1,139 @@
+/*
+ * Copyright © 2014-2021 The Android Password Store Authors. All Rights Reserved.
+ * SPDX-License-Identifier: GPL-3.0-only
+ */
+
+package app.passwordstore.crypto
+
+import app.passwordstore.crypto.errors.CryptoHandlerException
+import app.passwordstore.crypto.errors.IncorrectPassphraseException
+import app.passwordstore.crypto.errors.NoKeysProvidedException
+import app.passwordstore.crypto.errors.UnknownError
+import com.github.michaelbull.result.Result
+import com.github.michaelbull.result.mapError
+import com.github.michaelbull.result.runCatching
+import java.io.InputStream
+import java.io.OutputStream
+import javax.inject.Inject
+import org.bouncycastle.openpgp.PGPPublicKeyRing
+import org.bouncycastle.openpgp.PGPPublicKeyRingCollection
+import org.bouncycastle.openpgp.PGPSecretKeyRing
+import org.bouncycastle.openpgp.PGPSecretKeyRingCollection
+import org.bouncycastle.util.io.Streams
+import org.pgpainless.PGPainless
+import org.pgpainless.decryption_verification.ConsumerOptions
+import org.pgpainless.encryption_signing.EncryptionOptions
+import org.pgpainless.encryption_signing.ProducerOptions
+import org.pgpainless.exception.WrongPassphraseException
+import org.pgpainless.key.protection.SecretKeyRingProtector
+import org.pgpainless.util.Passphrase
+
+public class PGPainlessCryptoHandler @Inject constructor() :
+ CryptoHandler<PGPKey, PGPEncryptOptions, PGPDecryptOptions> {
+
+ /**
+ * Decrypts the given [ciphertextStream] using [PGPainless] and writes the decrypted output to
+ * [outputStream]. The provided [passphrase] is wrapped in a [SecretKeyRingProtector] and the
+ * [keys] argument is defensively checked to ensure it has at least one key present.
+ *
+ * @see CryptoHandler.decrypt
+ */
+ public override fun decrypt(
+ keys: List<PGPKey>,
+ passphrase: String,
+ ciphertextStream: InputStream,
+ outputStream: OutputStream,
+ options: PGPDecryptOptions,
+ ): Result<Unit, CryptoHandlerException> =
+ runCatching {
+ if (keys.isEmpty()) {
+ throw NoKeysProvidedException
+ }
+ val keyringCollection =
+ keys
+ .map { key -> PGPainless.readKeyRing().secretKeyRing(key.contents) }
+ .run(::PGPSecretKeyRingCollection)
+ val protector = SecretKeyRingProtector.unlockAnyKeyWith(Passphrase.fromPassword(passphrase))
+ val decryptionStream =
+ PGPainless.decryptAndOrVerify()
+ .onInputStream(ciphertextStream)
+ .withOptions(
+ ConsumerOptions()
+ .addDecryptionKeys(keyringCollection, protector)
+ .addDecryptionPassphrase(Passphrase.fromPassword(passphrase))
+ )
+ Streams.pipeAll(decryptionStream, outputStream)
+ decryptionStream.close()
+ keyringCollection.forEach { keyRing ->
+ check(decryptionStream.metadata.isEncryptedFor(keyRing)) {
+ "Stream should be encrypted for ${keyRing.secretKey.keyID} but wasn't"
+ }
+ }
+ return@runCatching
+ }
+ .mapError { error ->
+ when (error) {
+ is WrongPassphraseException -> IncorrectPassphraseException(error)
+ is CryptoHandlerException -> error
+ else -> UnknownError(error)
+ }
+ }
+
+ /**
+ * Encrypts the provided [plaintextStream] and writes the encrypted output to [outputStream]. The
+ * [keys] argument is defensively checked to contain at least one key.
+ *
+ * @see CryptoHandler.encrypt
+ */
+ public override fun encrypt(
+ keys: List<PGPKey>,
+ plaintextStream: InputStream,
+ outputStream: OutputStream,
+ options: PGPEncryptOptions,
+ ): Result<Unit, CryptoHandlerException> =
+ runCatching {
+ if (keys.isEmpty()) {
+ throw NoKeysProvidedException
+ }
+ val publicKeyRings =
+ keys.mapNotNull(KeyUtils::tryParseKeyring).mapNotNull { keyRing ->
+ when (keyRing) {
+ is PGPPublicKeyRing -> keyRing
+ is PGPSecretKeyRing -> PGPainless.extractCertificate(keyRing)
+ else -> null
+ }
+ }
+ require(keys.size == publicKeyRings.size) {
+ "Failed to parse all keys: ${keys.size} keys were provided but only ${publicKeyRings.size} were valid"
+ }
+ if (publicKeyRings.isEmpty()) {
+ throw NoKeysProvidedException
+ }
+ val publicKeyRingCollection = PGPPublicKeyRingCollection(publicKeyRings)
+ val encryptionOptions = EncryptionOptions().addRecipients(publicKeyRingCollection)
+ val producerOptions =
+ ProducerOptions.encrypt(encryptionOptions)
+ .setAsciiArmor(options.isOptionEnabled(PGPEncryptOptions.ASCII_ARMOR))
+ val encryptionStream =
+ PGPainless.encryptAndOrSign().onOutputStream(outputStream).withOptions(producerOptions)
+ Streams.pipeAll(plaintextStream, encryptionStream)
+ encryptionStream.close()
+ val result = encryptionStream.result
+ publicKeyRingCollection.forEach { keyRing ->
+ require(result.isEncryptedFor(keyRing)) {
+ "Stream should be encrypted for ${keyRing.publicKey.keyID} but wasn't"
+ }
+ }
+ }
+ .mapError { error ->
+ when (error) {
+ is CryptoHandlerException -> error
+ else -> UnknownError(error)
+ }
+ }
+
+ /** Runs a naive check on the extension for the given [fileName] to check if it is a PGP file. */
+ public override fun canHandle(fileName: String): Boolean {
+ return fileName.substringAfterLast('.', "") == "gpg"
+ }
+}
diff --git a/crypto/pgpainless/src/test/kotlin/app/passwordstore/crypto/CryptoConstants.kt b/crypto/pgpainless/src/test/kotlin/app/passwordstore/crypto/CryptoConstants.kt
new file mode 100644
index 00000000..d827e169
--- /dev/null
+++ b/crypto/pgpainless/src/test/kotlin/app/passwordstore/crypto/CryptoConstants.kt
@@ -0,0 +1,14 @@
+/*
+ * Copyright © 2014-2021 The Android Password Store Authors. All Rights Reserved.
+ * SPDX-License-Identifier: GPL-3.0-only
+ */
+
+package app.passwordstore.crypto
+
+object CryptoConstants {
+ const val KEY_PASSPHRASE = "hunter2"
+ const val PLAIN_TEXT = "encryption worthy content"
+ const val KEY_NAME = "John Doe"
+ const val KEY_EMAIL = "john.doe@example.com"
+ const val KEY_ID = 0x08edf7567183ce27
+}
diff --git a/crypto/pgpainless/src/test/kotlin/app/passwordstore/crypto/KeyUtilsTest.kt b/crypto/pgpainless/src/test/kotlin/app/passwordstore/crypto/KeyUtilsTest.kt
new file mode 100644
index 00000000..a0f84402
--- /dev/null
+++ b/crypto/pgpainless/src/test/kotlin/app/passwordstore/crypto/KeyUtilsTest.kt
@@ -0,0 +1,35 @@
+package app.passwordstore.crypto
+
+import app.passwordstore.crypto.KeyUtils.isKeyUsable
+import app.passwordstore.crypto.KeyUtils.tryGetId
+import app.passwordstore.crypto.KeyUtils.tryParseKeyring
+import app.passwordstore.crypto.TestUtils.AllKeys
+import app.passwordstore.crypto.TestUtils.getArmoredSecretKeyWithMultipleIdentities
+import kotlin.test.Test
+import kotlin.test.assertEquals
+import kotlin.test.assertIs
+import kotlin.test.assertNotNull
+import org.bouncycastle.openpgp.PGPSecretKeyRing
+
+class KeyUtilsTest {
+ @Test
+ fun parseKeyWithMultipleIdentities() {
+ val key = PGPKey(getArmoredSecretKeyWithMultipleIdentities())
+ val keyring = tryParseKeyring(key)
+ assertNotNull(keyring)
+ assertIs<PGPSecretKeyRing>(keyring)
+ val keyId = tryGetId(key)
+ assertNotNull(keyId)
+ assertIs<PGPIdentifier.KeyId>(keyId)
+ assertEquals("b950ae2813841585", keyId.toString())
+ }
+
+ @Test
+ fun isKeyUsable() {
+ val params = AllKeys.entries.map { it to (it != AllKeys.AEAD_PUB && it != AllKeys.AEAD_SEC) }
+ params.forEach { (allKeys, isUsable) ->
+ val key = PGPKey(allKeys.keyMaterial)
+ assertEquals(isUsable, isKeyUsable(key), "${allKeys.name} failed expectation:")
+ }
+ }
+}
diff --git a/crypto/pgpainless/src/test/kotlin/app/passwordstore/crypto/PGPIdentifierTest.kt b/crypto/pgpainless/src/test/kotlin/app/passwordstore/crypto/PGPIdentifierTest.kt
new file mode 100644
index 00000000..efc6e0ba
--- /dev/null
+++ b/crypto/pgpainless/src/test/kotlin/app/passwordstore/crypto/PGPIdentifierTest.kt
@@ -0,0 +1,41 @@
+/*
+ * Copyright © 2014-2022 The Android Password Store Authors. All Rights Reserved.
+ * SPDX-License-Identifier: GPL-3.0-only
+ */
+
+package app.passwordstore.crypto
+
+import kotlin.test.Test
+import kotlin.test.assertNotNull
+import kotlin.test.assertTrue
+
+class PGPIdentifierTest {
+
+ @Test
+ fun parseHexKeyIdWithout0xPrefix() {
+ val identifier = PGPIdentifier.fromString("79E8208280490C77")
+ assertNotNull(identifier)
+ assertTrue { identifier is PGPIdentifier.KeyId }
+ }
+
+ @Test
+ fun parseHexKeyId() {
+ val identifier = PGPIdentifier.fromString("0x79E8208280490C77")
+ assertNotNull(identifier)
+ assertTrue { identifier is PGPIdentifier.KeyId }
+ }
+
+ @Test
+ fun parseValidEmail() {
+ val identifier = PGPIdentifier.fromString("john.doe@example.org")
+ assertNotNull(identifier)
+ assertTrue { identifier is PGPIdentifier.UserId }
+ }
+
+ @Test
+ fun parseEmailWithoutTLD() {
+ val identifier = PGPIdentifier.fromString("john.doe@example")
+ assertNotNull(identifier)
+ assertTrue { identifier is PGPIdentifier.UserId }
+ }
+}
diff --git a/crypto/pgpainless/src/test/kotlin/app/passwordstore/crypto/PGPKeyManagerTest.kt b/crypto/pgpainless/src/test/kotlin/app/passwordstore/crypto/PGPKeyManagerTest.kt
new file mode 100644
index 00000000..85cf8e1b
--- /dev/null
+++ b/crypto/pgpainless/src/test/kotlin/app/passwordstore/crypto/PGPKeyManagerTest.kt
@@ -0,0 +1,236 @@
+package app.passwordstore.crypto
+
+import app.passwordstore.crypto.KeyUtils.tryGetId
+import app.passwordstore.crypto.PGPIdentifier.KeyId
+import app.passwordstore.crypto.PGPIdentifier.UserId
+import app.passwordstore.crypto.errors.KeyAlreadyExistsException
+import app.passwordstore.crypto.errors.KeyNotFoundException
+import app.passwordstore.crypto.errors.NoKeysAvailableException
+import app.passwordstore.crypto.errors.UnusableKeyException
+import com.github.michaelbull.result.Err
+import com.github.michaelbull.result.Ok
+import com.github.michaelbull.result.unwrap
+import com.github.michaelbull.result.unwrapError
+import java.io.File
+import kotlin.test.Test
+import kotlin.test.assertContentEquals
+import kotlin.test.assertEquals
+import kotlin.test.assertIs
+import kotlin.test.assertNotEquals
+import kotlin.test.assertNotNull
+import kotlinx.coroutines.test.StandardTestDispatcher
+import kotlinx.coroutines.test.TestScope
+import kotlinx.coroutines.test.runTest
+import org.junit.Rule
+import org.junit.rules.TemporaryFolder
+
+class PGPKeyManagerTest {
+
+ @get:Rule val temporaryFolder: TemporaryFolder = TemporaryFolder()
+ private val dispatcher = StandardTestDispatcher()
+ private val scope = TestScope(dispatcher)
+ private val filesDir by unsafeLazy { temporaryFolder.root }
+ private val keysDir by unsafeLazy { File(filesDir, PGPKeyManager.KEY_DIR_NAME) }
+ private val keyManager by unsafeLazy { PGPKeyManager(filesDir.absolutePath, dispatcher) }
+ private val secretKey = PGPKey(TestUtils.getArmoredSecretKey())
+ private val publicKey = PGPKey(TestUtils.getArmoredPublicKey())
+
+ private fun <T> unsafeLazy(initializer: () -> T) =
+ lazy(LazyThreadSafetyMode.NONE) { initializer.invoke() }
+
+ @Test
+ fun addKey() =
+ runTest(dispatcher) {
+ // Check if the key id returned is correct
+ val keyId = keyManager.getKeyId(keyManager.addKey(secretKey).unwrap())
+ assertEquals(KeyId(CryptoConstants.KEY_ID), keyId)
+ // Check if the keys directory have one file
+ assertEquals(1, filesDir.list()?.size)
+ // Check if the file name is correct
+ val keyFile = keysDir.listFiles()?.first()
+ assertEquals(keyFile?.name, "$keyId.${PGPKeyManager.KEY_EXTENSION}")
+ }
+
+ @Test
+ fun addKeyWithoutReplaceFlag() =
+ runTest(dispatcher) {
+ // Check adding the keys twice
+ keyManager.addKey(secretKey, false).unwrap()
+ val error = keyManager.addKey(secretKey, false).unwrapError()
+
+ assertIs<KeyAlreadyExistsException>(error)
+ }
+
+ @Test
+ fun addKeyWithReplaceFlag() =
+ runTest(dispatcher) {
+ // Check adding the keys twice
+ keyManager.addKey(secretKey, true).unwrap()
+ val keyId = keyManager.getKeyId(keyManager.addKey(secretKey, true).unwrap())
+
+ assertEquals(KeyId(CryptoConstants.KEY_ID), keyId)
+ }
+
+ @Test
+ fun addKeyWithUnusableKey() =
+ runTest(dispatcher) {
+ val error = keyManager.addKey(PGPKey(TestUtils.getAEADSecretKey())).unwrapError()
+ assertEquals(UnusableKeyException, error)
+ }
+
+ @Test
+ fun removeKey() =
+ runTest(dispatcher) {
+ // Add key using KeyManager
+ keyManager.addKey(secretKey).unwrap()
+ // Remove key
+ keyManager.removeKey(tryGetId(secretKey)!!).unwrap()
+ // Check that no keys remain
+ val keys = keyManager.getAllKeys().unwrap()
+ assertEquals(0, keys.size)
+ }
+
+ @Test
+ fun getKeyById() =
+ runTest(dispatcher) {
+ // Add key using KeyManager
+ keyManager.addKey(secretKey).unwrap()
+ val keyId = keyManager.getKeyId(secretKey)
+ assertNotNull(keyId)
+ assertEquals(KeyId(CryptoConstants.KEY_ID), keyManager.getKeyId(secretKey))
+ // Check returned key id matches the expected id and the created key id
+ val returnedKey = keyManager.getKeyById(keyId).unwrap()
+ assertEquals(keyManager.getKeyId(secretKey), keyManager.getKeyId(returnedKey))
+ }
+
+ @Test
+ fun getKeyByFullUserId() =
+ runTest(dispatcher) {
+ keyManager.addKey(secretKey).unwrap()
+ val keyId = "${CryptoConstants.KEY_NAME} <${CryptoConstants.KEY_EMAIL}>"
+ val returnedKey = keyManager.getKeyById(UserId(keyId)).unwrap()
+ assertEquals(keyManager.getKeyId(secretKey), keyManager.getKeyId(returnedKey))
+ }
+
+ @Test
+ fun getKeyByEmailUserId() =
+ runTest(dispatcher) {
+ keyManager.addKey(secretKey).unwrap()
+ val keyId = CryptoConstants.KEY_EMAIL
+ val returnedKey = keyManager.getKeyById(UserId(keyId)).unwrap()
+ assertEquals(keyManager.getKeyId(secretKey), keyManager.getKeyId(returnedKey))
+ }
+
+ @Test
+ fun getNonExistentKey() =
+ runTest(dispatcher) {
+ // Add key using KeyManager
+ keyManager.addKey(secretKey).unwrap()
+ val keyId = KeyId(0x08edf7567183ce44)
+ // Check returned key
+ val error = keyManager.getKeyById(keyId).unwrapError()
+ assertIs<KeyNotFoundException>(error)
+ assertEquals("No key found with id: $keyId", error.message)
+ }
+
+ @Test
+ fun findNonExistentKey() =
+ runTest(dispatcher) {
+ // Check returned key
+ val error = keyManager.getKeyById(KeyId(0x08edf7567183ce44)).unwrapError()
+ assertIs<NoKeysAvailableException>(error)
+ assertEquals("No keys were found", error.message)
+ }
+
+ @Test
+ fun getAllKeys() =
+ runTest(dispatcher) {
+ // Check if KeyManager returns no key
+ val noKeyList = keyManager.getAllKeys().unwrap()
+ assertEquals(0, noKeyList.size)
+ // Add key using KeyManager
+ keyManager.addKey(secretKey).unwrap()
+ keyManager.addKey(PGPKey(TestUtils.getArmoredSecretKeyWithMultipleIdentities())).unwrap()
+ // Check if KeyManager returns one key
+ val singleKeyList = keyManager.getAllKeys().unwrap()
+ assertEquals(2, singleKeyList.size)
+ }
+
+ @Test
+ fun getMultipleIdentityKeyWithAllIdentities() =
+ runTest(dispatcher) {
+ val key = PGPKey(TestUtils.getArmoredSecretKeyWithMultipleIdentities())
+ keyManager.addKey(key).unwrap()
+ val johnKey = keyManager.getKeyById(UserId("john@doe.org")).unwrap()
+ val janeKey = keyManager.getKeyById(UserId("jane@doe.org")).unwrap()
+
+ assertContentEquals(johnKey.contents, janeKey.contents)
+ }
+
+ @Test
+ fun replaceSecretKeyWithPublicKey() =
+ runTest(dispatcher) {
+ assertIs<Ok<PGPKey>>(keyManager.addKey(secretKey))
+ assertIs<Err<KeyAlreadyExistsException>>(keyManager.addKey(publicKey))
+ }
+
+ @Test
+ fun replacePublicKeyWithSecretKey() =
+ runTest(dispatcher) {
+ assertIs<Ok<PGPKey>>(keyManager.addKey(publicKey))
+ assertIs<Ok<PGPKey>>(keyManager.addKey(secretKey))
+ }
+
+ @Test
+ fun replacePublicKeyWithPublicKey() =
+ runTest(dispatcher) {
+ assertIs<Ok<PGPKey>>(keyManager.addKey(publicKey))
+ assertIs<Ok<PGPKey>>(keyManager.addKey(publicKey))
+ val allKeys = keyManager.getAllKeys()
+ assertIs<Ok<List<PGPKey>>>(allKeys)
+ assertEquals(1, allKeys.value.size)
+ val key = allKeys.value[0]
+ assertContentEquals(publicKey.contents, key.contents)
+ }
+
+ @Test
+ fun replaceSecretKeyWithSecretKey() =
+ runTest(dispatcher) {
+ assertIs<Ok<PGPKey>>(keyManager.addKey(secretKey))
+ assertIs<Err<KeyAlreadyExistsException>>(keyManager.addKey(secretKey))
+ }
+
+ @Test
+ fun addMultipleKeysWithSameEmail() =
+ runTest(dispatcher) {
+ val alice =
+ PGPKey(this::class.java.classLoader.getResource("alice_owner@example_com")!!.readBytes())
+ val bobby =
+ PGPKey(this::class.java.classLoader.getResource("bobby_owner@example_com")!!.readBytes())
+ assertIs<Ok<PGPKey>>(keyManager.addKey(alice))
+ assertIs<Ok<PGPKey>>(keyManager.addKey(bobby))
+
+ keyManager.getAllKeys().apply {
+ assertIs<Ok<List<PGPKey>>>(this)
+ assertEquals(2, this.value.size)
+ }
+ val longKeyIds =
+ arrayOf(
+ KeyId(-7087927403306410599), // Alice
+ KeyId(-961222705095032109), // Bobby
+ )
+ val userIds =
+ arrayOf(
+ UserId("Alice <owner@example.com>"),
+ UserId("Bobby <owner@example.com>"),
+ )
+
+ for (idCollection in arrayOf(longKeyIds, userIds)) {
+ val alice1 = keyManager.getKeyById(idCollection[0])
+ val bobby1 = keyManager.getKeyById(idCollection[1])
+ assertIs<Ok<PGPKey>>(alice1)
+ assertIs<Ok<PGPKey>>(bobby1)
+ assertNotEquals(alice1.value.contents, bobby1.value.contents)
+ }
+ }
+}
diff --git a/crypto/pgpainless/src/test/kotlin/app/passwordstore/crypto/PGPainlessCryptoHandlerTest.kt b/crypto/pgpainless/src/test/kotlin/app/passwordstore/crypto/PGPainlessCryptoHandlerTest.kt
new file mode 100644
index 00000000..8bf6ba1e
--- /dev/null
+++ b/crypto/pgpainless/src/test/kotlin/app/passwordstore/crypto/PGPainlessCryptoHandlerTest.kt
@@ -0,0 +1,148 @@
+/*
+ * Copyright © 2014-2021 The Android Password Store Authors. All Rights Reserved.
+ * SPDX-License-Identifier: GPL-3.0-only
+ */
+@file:Suppress("JUnitMalformedDeclaration") // The test runner takes care of it
+
+package app.passwordstore.crypto
+
+import app.passwordstore.crypto.CryptoConstants.KEY_PASSPHRASE
+import app.passwordstore.crypto.CryptoConstants.PLAIN_TEXT
+import app.passwordstore.crypto.errors.IncorrectPassphraseException
+import com.github.michaelbull.result.Err
+import com.github.michaelbull.result.Ok
+import com.github.michaelbull.result.getError
+import com.google.testing.junit.testparameterinjector.TestParameter
+import com.google.testing.junit.testparameterinjector.TestParameterInjector
+import java.io.ByteArrayOutputStream
+import kotlin.test.Test
+import kotlin.test.assertContains
+import kotlin.test.assertEquals
+import kotlin.test.assertFalse
+import kotlin.test.assertIs
+import kotlin.test.assertTrue
+import org.junit.runner.RunWith
+import org.pgpainless.PGPainless
+import org.pgpainless.decryption_verification.MessageInspector
+
+@Suppress("Unused") // Test runner handles it internally
+enum class EncryptionKey(val keySet: List<PGPKey>) {
+ PUBLIC(listOf(PGPKey(TestUtils.getArmoredPublicKey()))),
+ SECRET(listOf(PGPKey(TestUtils.getArmoredSecretKey()))),
+ ALL(listOf(PGPKey(TestUtils.getArmoredPublicKey()), PGPKey(TestUtils.getArmoredSecretKey()))),
+}
+
+@RunWith(TestParameterInjector::class)
+class PGPainlessCryptoHandlerTest {
+
+ private val cryptoHandler = PGPainlessCryptoHandler()
+ private val secretKey = PGPKey(TestUtils.getArmoredSecretKey())
+
+ @Test
+ fun encryptAndDecrypt(@TestParameter encryptionKey: EncryptionKey) {
+ val ciphertextStream = ByteArrayOutputStream()
+ val encryptRes =
+ cryptoHandler.encrypt(
+ encryptionKey.keySet,
+ PLAIN_TEXT.byteInputStream(Charsets.UTF_8),
+ ciphertextStream,
+ PGPEncryptOptions.Builder().build(),
+ )
+ assertIs<Ok<Unit>>(encryptRes)
+ val plaintextStream = ByteArrayOutputStream()
+ val decryptRes =
+ cryptoHandler.decrypt(
+ listOf(secretKey),
+ KEY_PASSPHRASE,
+ ciphertextStream.toByteArray().inputStream(),
+ plaintextStream,
+ PGPDecryptOptions.Builder().build(),
+ )
+ assertIs<Ok<Unit>>(decryptRes)
+ assertEquals(PLAIN_TEXT, plaintextStream.toString(Charsets.UTF_8))
+ }
+
+ @Test
+ fun decryptWithWrongPassphrase(@TestParameter encryptionKey: EncryptionKey) {
+ val ciphertextStream = ByteArrayOutputStream()
+ val encryptRes =
+ cryptoHandler.encrypt(
+ encryptionKey.keySet,
+ PLAIN_TEXT.byteInputStream(Charsets.UTF_8),
+ ciphertextStream,
+ PGPEncryptOptions.Builder().build(),
+ )
+ assertIs<Ok<Unit>>(encryptRes)
+ val plaintextStream = ByteArrayOutputStream()
+ val result =
+ cryptoHandler.decrypt(
+ listOf(secretKey),
+ "very incorrect passphrase",
+ ciphertextStream.toByteArray().inputStream(),
+ plaintextStream,
+ PGPDecryptOptions.Builder().build(),
+ )
+ assertIs<Err<Throwable>>(result)
+ assertIs<IncorrectPassphraseException>(result.getError())
+ }
+
+ @Test
+ fun encryptAsciiArmored(@TestParameter encryptionKey: EncryptionKey) {
+ val ciphertextStream = ByteArrayOutputStream()
+ val encryptRes =
+ cryptoHandler.encrypt(
+ encryptionKey.keySet,
+ PLAIN_TEXT.byteInputStream(Charsets.UTF_8),
+ ciphertextStream,
+ PGPEncryptOptions.Builder().withAsciiArmor(true).build(),
+ )
+ assertIs<Ok<Unit>>(encryptRes)
+ val ciphertext = ciphertextStream.toString(Charsets.UTF_8)
+ assertContains(ciphertext, "Version: PGPainless")
+ assertContains(ciphertext, "-----BEGIN PGP MESSAGE-----")
+ assertContains(ciphertext, "-----END PGP MESSAGE-----")
+ }
+
+ @Test
+ fun encryptMultiple() {
+ val alice =
+ PGPainless.generateKeyRing().modernKeyRing("Alice <owner@example.com>", KEY_PASSPHRASE)
+ val bob = PGPainless.generateKeyRing().modernKeyRing("Bob <owner@example.com>", KEY_PASSPHRASE)
+ val aliceKey = PGPKey(PGPainless.asciiArmor(alice).encodeToByteArray())
+ val bobKey = PGPKey(PGPainless.asciiArmor(bob).encodeToByteArray())
+ val ciphertextStream = ByteArrayOutputStream()
+ val encryptRes =
+ cryptoHandler.encrypt(
+ listOf(aliceKey, bobKey),
+ PLAIN_TEXT.byteInputStream(Charsets.UTF_8),
+ ciphertextStream,
+ PGPEncryptOptions.Builder().withAsciiArmor(true).build(),
+ )
+ assertIs<Ok<Unit>>(encryptRes)
+ val message = ciphertextStream.toByteArray().decodeToString()
+ val info = MessageInspector.determineEncryptionInfoForMessage(message)
+ assertTrue(info.isEncrypted)
+ assertEquals(2, info.keyIds.size)
+ assertFalse(info.isSignedOnly)
+ for (key in listOf(aliceKey, bobKey)) {
+ val ciphertextStreamCopy = message.byteInputStream()
+ val plaintextStream = ByteArrayOutputStream()
+ val res =
+ cryptoHandler.decrypt(
+ listOf(key),
+ KEY_PASSPHRASE,
+ ciphertextStreamCopy,
+ plaintextStream,
+ PGPDecryptOptions.Builder().build(),
+ )
+ assertIs<Ok<Unit>>(res)
+ }
+ }
+
+ @Test
+ fun canHandleFiltersFormats() {
+ assertFalse { cryptoHandler.canHandle("example.com") }
+ assertTrue { cryptoHandler.canHandle("example.com.gpg") }
+ assertFalse { cryptoHandler.canHandle("example.com.asc") }
+ }
+}
diff --git a/crypto/pgpainless/src/test/kotlin/app/passwordstore/crypto/TestUtils.kt b/crypto/pgpainless/src/test/kotlin/app/passwordstore/crypto/TestUtils.kt
new file mode 100644
index 00000000..90b98ac9
--- /dev/null
+++ b/crypto/pgpainless/src/test/kotlin/app/passwordstore/crypto/TestUtils.kt
@@ -0,0 +1,32 @@
+/*
+ * Copyright © 2014-2021 The Android Password Store Authors. All Rights Reserved.
+ * SPDX-License-Identifier: GPL-3.0-only
+ */
+@file:Suppress("RECEIVER_NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS")
+
+package app.passwordstore.crypto
+
+object TestUtils {
+ fun getArmoredSecretKey() = this::class.java.classLoader.getResource("secret_key").readBytes()
+
+ fun getArmoredPublicKey() = this::class.java.classLoader.getResource("public_key").readBytes()
+
+ fun getArmoredSecretKeyWithMultipleIdentities() =
+ this::class.java.classLoader.getResource("secret_key_multiple_identities").readBytes()
+
+ fun getArmoredPublicKeyWithMultipleIdentities() =
+ this::class.java.classLoader.getResource("public_key_multiple_identities").readBytes()
+
+ fun getAEADPublicKey() = this::class.java.classLoader.getResource("aead_pub").readBytes()
+
+ fun getAEADSecretKey() = this::class.java.classLoader.getResource("aead_sec").readBytes()
+
+ enum class AllKeys(val keyMaterial: ByteArray) {
+ ARMORED_SEC(getArmoredSecretKey()),
+ ARMORED_PUB(getArmoredPublicKey()),
+ MULTIPLE_IDENTITIES_SEC(getArmoredSecretKeyWithMultipleIdentities()),
+ MULTIPLE_IDENTITIES_PUB(getArmoredPublicKeyWithMultipleIdentities()),
+ AEAD_SEC(getAEADSecretKey()),
+ AEAD_PUB(getAEADPublicKey()),
+ }
+}
diff --git a/crypto/pgpainless/src/test/resources/aead_pub b/crypto/pgpainless/src/test/resources/aead_pub
new file mode 100644
index 00000000..f6ae1e82
--- /dev/null
+++ b/crypto/pgpainless/src/test/resources/aead_pub
@@ -0,0 +1,51 @@
+-----BEGIN PGP PUBLIC KEY BLOCK-----
+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+-----END PGP PUBLIC KEY BLOCK-----
diff --git a/crypto/pgpainless/src/test/resources/aead_sec b/crypto/pgpainless/src/test/resources/aead_sec
new file mode 100644
index 00000000..8e13ac0e
--- /dev/null
+++ b/crypto/pgpainless/src/test/resources/aead_sec
@@ -0,0 +1,107 @@
+-----BEGIN PGP PRIVATE KEY BLOCK-----
+
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+-----END PGP PRIVATE KEY BLOCK-----
diff --git a/crypto/pgpainless/src/test/resources/alice_owner@example_com b/crypto/pgpainless/src/test/resources/alice_owner@example_com
new file mode 100644
index 00000000..d2612b0d
--- /dev/null
+++ b/crypto/pgpainless/src/test/resources/alice_owner@example_com
@@ -0,0 +1,16 @@
+-----BEGIN PGP PRIVATE KEY BLOCK-----
+
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+=ApnA
+-----END PGP PRIVATE KEY BLOCK-----
diff --git a/crypto/pgpainless/src/test/resources/bobby_owner@example_com b/crypto/pgpainless/src/test/resources/bobby_owner@example_com
new file mode 100644
index 00000000..6bd548e7
--- /dev/null
+++ b/crypto/pgpainless/src/test/resources/bobby_owner@example_com
@@ -0,0 +1,16 @@
+-----BEGIN PGP PRIVATE KEY BLOCK-----
+
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+-----END PGP PRIVATE KEY BLOCK-----
diff --git a/crypto/pgpainless/src/test/resources/public_key b/crypto/pgpainless/src/test/resources/public_key
new file mode 100644
index 00000000..987bac6f
--- /dev/null
+++ b/crypto/pgpainless/src/test/resources/public_key
@@ -0,0 +1,21 @@
+-----BEGIN PGP PUBLIC KEY BLOCK-----
+Version: PGPainless
+Comment: BC98 82EF 93DC 22F8 D7D4 47AD 08ED F756 7183 CE27
+Comment: John Doe <john.doe@example.com>
+
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+-----END PGP PUBLIC KEY BLOCK-----
diff --git a/crypto/pgpainless/src/test/resources/public_key_multiple_identities b/crypto/pgpainless/src/test/resources/public_key_multiple_identities
new file mode 100644
index 00000000..2cc896c2
--- /dev/null
+++ b/crypto/pgpainless/src/test/resources/public_key_multiple_identities
@@ -0,0 +1,51 @@
+-----BEGIN PGP PUBLIC KEY BLOCK-----
+
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+-----END PGP PUBLIC KEY BLOCK-----
diff --git a/crypto/pgpainless/src/test/resources/secret_key b/crypto/pgpainless/src/test/resources/secret_key
new file mode 100644
index 00000000..61334b01
--- /dev/null
+++ b/crypto/pgpainless/src/test/resources/secret_key
@@ -0,0 +1,26 @@
+-----BEGIN PGP PRIVATE KEY BLOCK-----
+Version: PGPainless
+Comment: BC98 82EF 93DC 22F8 D7D4 47AD 08ED F756 7183 CE27
+Comment: John Doe <john.doe@example.com>
+
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+-----END PGP PRIVATE KEY BLOCK-----
diff --git a/crypto/pgpainless/src/test/resources/secret_key_multiple_identities b/crypto/pgpainless/src/test/resources/secret_key_multiple_identities
new file mode 100644
index 00000000..5da8ac81
--- /dev/null
+++ b/crypto/pgpainless/src/test/resources/secret_key_multiple_identities
@@ -0,0 +1,93 @@
+-----BEGIN PGP PRIVATE KEY BLOCK-----
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