Merge remote-tracking branch 'open/master' into os-merge-1b37cef

core/src/main/kotlin/net/corda/core/flows/SendTransactionFlow.kt

@@ -13,6 +13,7 @@ package net.corda.core.flows
 import co.paralleluniverse.fibers.Suspendable
 import net.corda.core.contracts.StateAndRef
 import net.corda.core.internal.FetchDataFlow
+import net.corda.core.internal.readFully
 import net.corda.core.transactions.SignedTransaction
 import net.corda.core.utilities.unwrap
 
@@ -70,7 +71,7 @@ open class DataVendingFlow(val otherSideSession: FlowSession, val payload: Any)
                     serviceHub.validatedTransactions.getTransaction(it) ?: throw FetchDataFlow.HashNotFound(it)
                 }
                 FetchDataFlow.DataType.ATTACHMENT -> dataRequest.hashes.map {
-                    serviceHub.attachments.openAttachment(it)?.open()?.readBytes() ?: throw FetchDataFlow.HashNotFound(it)
+                    serviceHub.attachments.openAttachment(it)?.open()?.readFully() ?: throw FetchDataFlow.HashNotFound(it)
                 }
             }
         }

core/src/main/kotlin/net/corda/core/internal/AbstractAttachment.kt

@@ -38,7 +38,7 @@ abstract class AbstractAttachment(dataLoader: () -> ByteArray) : Attachment {
         fun SerializeAsTokenContext.attachmentDataLoader(id: SecureHash): () -> ByteArray {
             return {
                 val a = serviceHub.attachments.openAttachment(id) ?: throw MissingAttachmentsException(listOf(id))
-                (a as? AbstractAttachment)?.attachmentData ?: a.open().use { it.readBytes() }
+                (a as? AbstractAttachment)?.attachmentData ?: a.open().readFully()
             }
         }
 

core/src/main/kotlin/net/corda/core/internal/InternalUtils.kt

@@ -12,6 +12,8 @@
 
 package net.corda.core.internal
 
+import com.google.common.hash.Hashing
+import com.google.common.hash.HashingInputStream
 import net.corda.core.cordapp.Cordapp
 import net.corda.core.cordapp.CordappConfig
 import net.corda.core.cordapp.CordappContext
@@ -50,6 +52,7 @@ import java.nio.file.attribute.FileAttribute
 import java.nio.file.attribute.FileTime
 import java.security.KeyPair
 import java.security.PrivateKey
+import java.security.PublicKey
 import java.security.cert.X509Certificate
 import java.time.Duration
 import java.time.temporal.Temporal
@@ -160,8 +163,31 @@ fun Path.writeLines(lines: Iterable<CharSequence>, charset: Charset = UTF_8, var
 
 inline fun <reified T : Any> Path.readObject(): T = readAll().deserialize()
 
+/** Calculate the hash of the contents of this file. */
+val Path.hash: SecureHash get() = read { it.hash() }
+
 fun InputStream.copyTo(target: Path, vararg options: CopyOption): Long = Files.copy(this, target, *options)
 
+/** Same as [InputStream.readBytes] but also closes the stream. */
+fun InputStream.readFully(): ByteArray = use { it.readBytes() }
+
+/** Calculate the hash of the remaining bytes in this input stream. The stream is closed at the end. */
+fun InputStream.hash(): SecureHash {
+    return use {
+        val his = HashingInputStream(Hashing.sha256(), it)
+        his.copyTo(NullOutputStream)  // To avoid reading in the entire stream into memory just write out the bytes to /dev/null
+        SecureHash.SHA256(his.hash().asBytes())
+    }
+}
+
+inline fun <reified T : Any> InputStream.readObject(): T = readFully().deserialize()
+
+object NullOutputStream : OutputStream() {
+    override fun write(b: Int) = Unit
+    override fun write(b: ByteArray) = Unit
+    override fun write(b: ByteArray, off: Int, len: Int) = Unit
+}
+
 fun String.abbreviate(maxWidth: Int): String = if (length <= maxWidth) this else take(maxWidth - 1) + "…"
 
 /** Return the sum of an Iterable of [BigDecimal]s. */
@@ -215,7 +241,7 @@ fun <T> logElapsedTime(label: String, logger: Logger? = null, body: () -> T): T
 /** Convert a [ByteArrayOutputStream] to [InputStreamAndHash]. */
 fun ByteArrayOutputStream.toInputStreamAndHash(): InputStreamAndHash {
     val bytes = toByteArray()
-    return InputStreamAndHash(ByteArrayInputStream(bytes), bytes.sha256())
+    return InputStreamAndHash(bytes.inputStream(), bytes.sha256())
 }
 
 data class InputStreamAndHash(val inputStream: InputStream, val sha256: SecureHash.SHA256) {
@@ -343,7 +369,7 @@ fun URL.post(serializedData: OpaqueBytes): ByteArray {
         setRequestProperty("Content-Type", "application/octet-stream")
         outputStream.use { serializedData.open().copyTo(it) }
         checkOkResponse()
-        inputStream.use { it.readBytes() }
+        inputStream.readFully()
     }
 }
 
@@ -356,7 +382,7 @@ fun HttpURLConnection.checkOkResponse() {
 
 inline fun <reified T : Any> HttpURLConnection.responseAs(): T {
     checkOkResponse()
-    return inputStream.use { it.readBytes() }.deserialize()
+    return inputStream.readObject()
 }
 
 /** Analogous to [Thread.join]. */
@@ -427,3 +453,5 @@ fun NotarisationRequest.generateSignature(serviceHub: ServiceHub): NotarisationR
     }
     return NotarisationRequestSignature(signature, serviceHub.myInfo.platformVersion)
 }
+
+val PublicKey.hash: SecureHash get() = encoded.sha256()

core/src/main/kotlin/net/corda/core/utilities/EncodingUtils.kt

@@ -14,7 +14,7 @@ package net.corda.core.utilities
 
 import net.corda.core.crypto.Base58
 import net.corda.core.crypto.Crypto
-import net.corda.core.crypto.sha256
+import net.corda.core.internal.hash
 import java.nio.charset.Charset
 import java.security.PublicKey
 import java.util.*
@@ -95,4 +95,4 @@ fun parsePublicKeyBase58(base58String: String): PublicKey = Crypto.decodePublicK
 fun PublicKey.toBase58String(): String = this.encoded.toBase58()
 
 /** Return the bytes of the SHA-256 output for this public key. */
-fun PublicKey.toSHA256Bytes(): ByteArray = this.encoded.sha256().bytes
+fun PublicKey.toSHA256Bytes(): ByteArray = this.hash.bytes

core/src/test/kotlin/net/corda/core/flows/AttachmentTests.kt

@@ -17,6 +17,7 @@ import net.corda.core.crypto.sha256
 import net.corda.core.identity.Party
 import net.corda.core.internal.FetchAttachmentsFlow
 import net.corda.core.internal.FetchDataFlow
+import net.corda.core.internal.hash
 import net.corda.core.utilities.getOrThrow
 import net.corda.node.internal.StartedNode
 import net.corda.node.services.persistence.NodeAttachmentService
@@ -29,7 +30,6 @@ import net.corda.testing.node.internal.startFlow
 import org.junit.After
 import org.junit.Before
 import org.junit.Test
-import java.io.ByteArrayInputStream
 import java.io.ByteArrayOutputStream
 import java.util.jar.JarOutputStream
 import java.util.zip.ZipEntry
@@ -68,7 +68,7 @@ class AttachmentTests {
         bobNode.registerInitiatedFlow(FetchAttachmentsResponse::class.java)
         // Insert an attachment into node zero's store directly.
         val id = aliceNode.database.transaction {
-            aliceNode.attachments.importAttachment(ByteArrayInputStream(fakeAttachment()))
+            aliceNode.attachments.importAttachment(fakeAttachment().inputStream())
         }
 
         // Get node one to run a flow to fetch it and insert it.
@@ -82,7 +82,7 @@ class AttachmentTests {
             bobNode.attachments.openAttachment(id)!!
         }
 
-        assertEquals(id, attachment.open().readBytes().sha256())
+        assertEquals(id, attachment.open().hash())
 
         // Shut down node zero and ensure node one can still resolve the attachment.
         aliceNode.dispose()
@@ -121,7 +121,7 @@ class AttachmentTests {
         val attachment = fakeAttachment()
         // Insert an attachment into node zero's store directly.
         val id = aliceNode.database.transaction {
-            aliceNode.attachments.importAttachment(ByteArrayInputStream(attachment))
+            aliceNode.attachments.importAttachment(attachment.inputStream())
         }
 
         // Corrupt its store.

experimental/kryo-hook/src/main/kotlin/net/corda/kryohook/KryoHook.kt

@@ -15,13 +15,10 @@ import com.esotericsoftware.kryo.Kryo
 import com.esotericsoftware.kryo.io.Output
 import javassist.ClassPool
 import javassist.CtClass
-import java.io.ByteArrayInputStream
-import java.lang.StringBuilder
 import java.lang.instrument.ClassFileTransformer
 import java.lang.instrument.Instrumentation
 import java.security.ProtectionDomain
 import java.util.concurrent.ConcurrentHashMap
-import java.util.concurrent.atomic.AtomicInteger
 
 class KryoHookAgent {
     companion object {
@@ -79,7 +76,7 @@ object KryoHook : ClassFileTransformer {
             return null
         }
         return try {
-            val clazz = classPool.makeClass(ByteArrayInputStream(classfileBuffer))
+            val clazz = classPool.makeClass(classfileBuffer.inputStream())
             instrumentClass(clazz)?.toBytecode()
         } catch (throwable: Throwable) {
             println("SOMETHING WENT WRONG")

experimental/quasar-hook/src/main/kotlin/net/corda/quasarhook/QuasarInstrumentationHook.kt

@@ -12,7 +12,6 @@ package net.corda.quasarhook
 
 import javassist.ClassPool
 import javassist.CtClass
-import java.io.ByteArrayInputStream
 import java.lang.instrument.ClassFileTransformer
 import java.lang.instrument.Instrumentation
 import java.security.ProtectionDomain
@@ -193,9 +192,9 @@ object QuasarInstrumentationHook : ClassFileTransformer {
             classfileBuffer: ByteArray
     ): ByteArray {
         return try {
-            val instrument = instrumentMap.get(className)
+            val instrument = instrumentMap[className]
             return instrument?.let {
-                val clazz = classPool.makeClass(ByteArrayInputStream(classfileBuffer))
+                val clazz = classPool.makeClass(classfileBuffer.inputStream())
                 it(clazz)
                 clazz.toBytecode()
             } ?: classfileBuffer

node-api/src/main/kotlin/net/corda/nodeapi/internal/AttachmentsClassLoader.kt

@@ -15,7 +15,6 @@ import net.corda.core.contracts.ContractAttachment
 import net.corda.core.crypto.SecureHash
 import net.corda.core.internal.isUploaderTrusted
 import net.corda.core.serialization.CordaSerializable
-import java.io.ByteArrayInputStream
 import java.io.ByteArrayOutputStream
 import java.io.FileNotFoundException
 import java.io.InputStream
@@ -111,12 +110,12 @@ class AttachmentsClassLoader(attachments: List<Attachment>, parent: ClassLoader
         if (url.protocol != "attachment") return null
         val attachment = idsToAttachments[SecureHash.parse(url.host)] ?: return null
         val path = url.path?.substring(1) ?: return null   // Chop off the leading slash.
-        try {
+        return try {
             val stream = ByteArrayOutputStream()
             attachment.extractFile(path, stream)
-            return ByteArrayInputStream(stream.toByteArray())
+            stream.toByteArray().inputStream()
         } catch (e: FileNotFoundException) {
-            return null
+            null
         }
     }
 }

node-api/src/main/kotlin/net/corda/nodeapi/internal/crypto/X509Utilities.kt

@@ -18,12 +18,14 @@ import net.corda.core.internal.*
 import net.corda.core.utilities.days
 import net.corda.core.utilities.millis
 import org.bouncycastle.asn1.*
+import org.bouncycastle.asn1.x500.X500Name
 import org.bouncycastle.asn1.x500.style.BCStyle
 import org.bouncycastle.asn1.x509.*
 import org.bouncycastle.asn1.x509.Extension
 import org.bouncycastle.cert.X509CertificateHolder
 import org.bouncycastle.cert.X509v3CertificateBuilder
 import org.bouncycastle.cert.bc.BcX509ExtensionUtils
+import org.bouncycastle.cert.jcajce.JcaX509ExtensionUtils
 import org.bouncycastle.cert.jcajce.JcaX509v3CertificateBuilder
 import org.bouncycastle.openssl.jcajce.JcaPEMWriter
 import org.bouncycastle.operator.ContentSigner
@@ -159,18 +161,25 @@ $trustedRoot""", e, certPath, e.index)
     /**
      * Build a partial X.509 certificate ready for signing.
      *
+     * @param certificateType type of the certificate.
      * @param issuer name of the issuing entity.
+     * @param issuerPublicKey public key of the issuing entity.
      * @param subject name of the certificate subject.
      * @param subjectPublicKey public key of the certificate subject.
      * @param validityWindow the time period the certificate is valid for.
      * @param nameConstraints any name constraints to impose on certificates signed by the generated certificate.
+     * @param crlDistPoint CRL distribution point.
+     * @param crlIssuer X500Name of the CRL issuer.
      */
-    fun createPartialCertificate(certificateType: CertificateType,
+    private fun createPartialCertificate(certificateType: CertificateType,
                                  issuer: X500Principal,
+                                 issuerPublicKey: PublicKey,
                                  subject: X500Principal,
                                  subjectPublicKey: PublicKey,
                                  validityWindow: Pair<Date, Date>,
-                                 nameConstraints: NameConstraints? = null): X509v3CertificateBuilder {
+                                 nameConstraints: NameConstraints? = null,
+                                 crlDistPoint: String? = null,
+                                 crlIssuer: X500Name? = null): X509v3CertificateBuilder {
         val serial = BigInteger.valueOf(random63BitValue())
         val keyPurposes = DERSequence(ASN1EncodableVector().apply { certificateType.purposes.forEach { add(it) } })
         val subjectPublicKeyInfo = SubjectPublicKeyInfo.getInstance(ASN1Sequence.getInstance(subjectPublicKey.encoded))
@@ -181,10 +190,12 @@ $trustedRoot""", e, certPath, e.index)
                 .addExtension(Extension.basicConstraints, true, BasicConstraints(certificateType.isCA))
                 .addExtension(Extension.keyUsage, false, certificateType.keyUsage)
                 .addExtension(Extension.extendedKeyUsage, false, keyPurposes)
+                .addExtension(Extension.authorityKeyIdentifier, false, JcaX509ExtensionUtils().createAuthorityKeyIdentifier(issuerPublicKey))
 
         if (role != null) {
             builder.addExtension(ASN1ObjectIdentifier(CordaOID.X509_EXTENSION_CORDA_ROLE), false, role)
         }
+        addCrlInfo(builder, crlDistPoint, crlIssuer)
         if (nameConstraints != null) {
             builder.addExtension(Extension.nameConstraints, true, nameConstraints)
         }
@@ -195,11 +206,15 @@ $trustedRoot""", e, certPath, e.index)
     /**
      * Create a X509 v3 certificate using the given issuer certificate and key pair.
      *
+     * @param certificateType type of the certificate.
      * @param issuerCertificate The Public certificate of the root CA above this used to sign it.
      * @param issuerKeyPair The KeyPair of the root CA above this used to sign it.
      * @param subject subject of the generated certificate.
      * @param subjectPublicKey subject's public key.
      * @param validityWindow The certificate's validity window. Default to [DEFAULT_VALIDITY_WINDOW] if not provided.
+     * @param nameConstraints any name constraints to impose on certificates signed by the generated certificate.
+     * @param crlDistPoint CRL distribution point.
+     * @param crlIssuer X500Name of the CRL issuer.
      * @return A data class is returned containing the new intermediate CA Cert and its KeyPair for signing downstream certificates.
      * Note the generated certificate tree is capped at max depth of 1 below this to be in line with commercially available certificates.
      */
@@ -210,7 +225,9 @@ $trustedRoot""", e, certPath, e.index)
                           subject: X500Principal,
                           subjectPublicKey: PublicKey,
                           validityWindow: Pair<Duration, Duration> = DEFAULT_VALIDITY_WINDOW,
-                          nameConstraints: NameConstraints? = null): X509Certificate {
+                          nameConstraints: NameConstraints? = null,
+                          crlDistPoint: String? = null,
+                          crlIssuer: X500Name? = null): X509Certificate {
         val window = getCertificateValidityWindow(validityWindow.first, validityWindow.second, issuerCertificate)
         return createCertificate(
                 certificateType,
@@ -219,28 +236,36 @@ $trustedRoot""", e, certPath, e.index)
                 subject,
                 subjectPublicKey,
                 window,
-                nameConstraints
+                nameConstraints,
+                crlDistPoint,
+                crlIssuer
         )
     }
 
     /**
      * Build and sign an X.509 certificate with the given signer.
      *
+     * @param certificateType type of the certificate.
      * @param issuer name of the issuing entity.
      * @param issuerSigner content signer to sign the certificate with.
      * @param subject name of the certificate subject.
      * @param subjectPublicKey public key of the certificate subject.
      * @param validityWindow the time period the certificate is valid for.
      * @param nameConstraints any name constraints to impose on certificates signed by the generated certificate.
+     * @param crlDistPoint CRL distribution point.
+     * @param crlIssuer X500Name of the CRL issuer.
      */
     fun createCertificate(certificateType: CertificateType,
                           issuer: X500Principal,
+                          issuerPublicKey: PublicKey,
                           issuerSigner: ContentSigner,
                           subject: X500Principal,
                           subjectPublicKey: PublicKey,
                           validityWindow: Pair<Date, Date>,
-                          nameConstraints: NameConstraints? = null): X509Certificate {
+                          nameConstraints: NameConstraints? = null,
-        val builder = createPartialCertificate(certificateType, issuer, subject, subjectPublicKey, validityWindow, nameConstraints)
+                          crlDistPoint: String? = null,
+                          crlIssuer: X500Name? = null): X509Certificate {
+        val builder = createPartialCertificate(certificateType, issuer, issuerPublicKey, subject, subjectPublicKey, validityWindow, nameConstraints, crlDistPoint, crlIssuer)
         return builder.build(issuerSigner).run {
             require(isValidOn(Date()))
             toJca()
@@ -250,6 +275,7 @@ $trustedRoot""", e, certPath, e.index)
     /**
      * Build and sign an X.509 certificate with CA cert private key.
      *
+     * @param certificateType type of the certificate.
      * @param issuer name of the issuing entity.
      * @param issuerKeyPair the public & private key to sign the certificate with.
      * @param subject name of the certificate subject.
@@ -263,11 +289,21 @@ $trustedRoot""", e, certPath, e.index)
                           subject: X500Principal,
                           subjectPublicKey: PublicKey,
                           validityWindow: Pair<Date, Date>,
-                          nameConstraints: NameConstraints? = null): X509Certificate {
+                          nameConstraints: NameConstraints? = null,
+                          crlDistPoint: String? = null,
+                          crlIssuer: X500Name? = null): X509Certificate {
         val signatureScheme = Crypto.findSignatureScheme(issuerKeyPair.private)
         val provider = Crypto.findProvider(signatureScheme.providerName)
         val signer = ContentSignerBuilder.build(signatureScheme, issuerKeyPair.private, provider)
-        val builder = createPartialCertificate(certificateType, issuer, subject, subjectPublicKey, validityWindow, nameConstraints)
+        val builder = createPartialCertificate(
+                certificateType,
+                issuer,
+                issuerKeyPair.public,
+                subject, subjectPublicKey,
+                validityWindow,
+                nameConstraints,
+                crlDistPoint,
+                crlIssuer)
         return builder.build(signer).run {
             require(isValidOn(Date()))
             require(isSignatureValid(JcaContentVerifierProviderBuilder().build(issuerKeyPair.public)))
@@ -312,6 +348,21 @@ $trustedRoot""", e, certPath, e.index)
     fun buildCertPath(certificates: List<X509Certificate>): CertPath {
         return X509CertificateFactory().generateCertPath(certificates)
     }
+
+    private fun addCrlInfo(builder: X509v3CertificateBuilder, crlDistPoint: String?, crlIssuer: X500Name?) {
+        if (crlDistPoint != null) {
+            val distPointName = DistributionPointName(GeneralNames(GeneralName(GeneralName.uniformResourceIdentifier, crlDistPoint)))
+            val crlIssuerGeneralNames = crlIssuer?.let {
+                GeneralNames(GeneralName(crlIssuer))
+            }
+            // The second argument is flag that allows you to define what reason of certificate revocation is served by this distribution point see [ReasonFlags].
+            // The idea is that you have different revocation per revocation reason. Since we won't go into such a granularity, we can skip that parameter.
+            // The third argument allows you to specify the name of the CRL issuer, it needs to be consistent with the crl (IssuingDistributionPoint) extension and the idp argument.
+            // If idp == true, set it, if idp == false, leave it null as done here.
+            val distPoint = DistributionPoint(distPointName, null, crlIssuerGeneralNames)
+            builder.addExtension(Extension.cRLDistributionPoints, false, CRLDistPoint(arrayOf(distPoint)))
+        }
+    }
 }
 
 // Assuming cert type to role is 1:1

node-api/src/main/kotlin/net/corda/nodeapi/internal/network/NetworkBootstrapper.kt

@@ -10,12 +10,8 @@
 
 package net.corda.nodeapi.internal.network
 
-import com.google.common.hash.Hashing
-import com.google.common.hash.HashingInputStream
 import com.typesafe.config.ConfigFactory
 import net.corda.cordform.CordformNode
-import net.corda.core.contracts.ContractClassName
-import net.corda.core.crypto.SecureHash
 import net.corda.core.crypto.SecureHash.Companion.parse
 import net.corda.core.identity.Party
 import net.corda.core.internal.*
@@ -37,7 +33,6 @@ import net.corda.nodeapi.internal.serialization.SerializationFactoryImpl
 import net.corda.nodeapi.internal.serialization.amqp.AMQPServerSerializationScheme
 import net.corda.nodeapi.internal.serialization.kryo.AbstractKryoSerializationScheme
 import net.corda.nodeapi.internal.serialization.kryo.kryoMagic
-import java.io.File
 import java.io.PrintStream
 import java.nio.file.Files
 import java.nio.file.Path
@@ -201,7 +196,7 @@ class NetworkBootstrapper {
     private fun generateWhitelist(whitelistFile: Path, excludeWhitelistFile: Path, cordapps: List<String>?): Map<String, List<AttachmentId>> {
         val existingWhitelist = if (whitelistFile.exists()) readContractWhitelist(whitelistFile) else emptyMap()
 
-        println(if (existingWhitelist.isEmpty()) "No existing whitelist file found." else "Found existing whitelist: ${whitelistFile}")
+        println(if (existingWhitelist.isEmpty()) "No existing whitelist file found." else "Found existing whitelist: $whitelistFile")
 
         val excludeContracts = if (excludeWhitelistFile.exists()) readExcludeWhitelist(excludeWhitelistFile) else emptyList()
         if (excludeContracts.isNotEmpty()) {
@@ -209,7 +204,7 @@ class NetworkBootstrapper {
         }
 
         val newWhiteList = cordapps?.flatMap { cordappJarPath ->
-            val jarHash = getJarHash(cordappJarPath)
+            val jarHash = Paths.get(cordappJarPath).hash
             scanJarForContracts(cordappJarPath).map { contract ->
                 contract to jarHash
             }
@@ -223,29 +218,25 @@ class NetworkBootstrapper {
             contractClassName to (if (newHash == null || newHash in existing) existing else existing + newHash)
         }.toMap()
 
-        println("CorDapp whitelist " + (if (existingWhitelist.isEmpty()) "generated" else "updated") + " in ${whitelistFile}")
+        println("CorDapp whitelist " + (if (existingWhitelist.isEmpty()) "generated" else "updated") + " in $whitelistFile")
         return merged
     }
 
     private fun overwriteWhitelist(whitelistFile: Path, mergedWhiteList: Map<String, List<AttachmentId>>) {
         PrintStream(whitelistFile.toFile().outputStream()).use { out ->
             mergedWhiteList.forEach { (contract, attachments) ->
-                out.println("${contract}:${attachments.joinToString(",")}")
+                out.println("$contract:${attachments.joinToString(",")}")
             }
         }
     }
 
-    private fun getJarHash(cordappPath: String): AttachmentId = File(cordappPath).inputStream().use { jar ->
+    private fun readContractWhitelist(file: Path): Map<String, List<AttachmentId>> {
-        val hs = HashingInputStream(Hashing.sha256(), jar)
+        return file.readAllLines()
-        hs.readBytes()
-        SecureHash.SHA256(hs.hash().asBytes())
-    }
-
-    private fun readContractWhitelist(file: Path): Map<String, List<AttachmentId>> = file.readAllLines()
                 .map { line -> line.split(":") }
                 .map { (contract, attachmentIds) ->
                     contract to (attachmentIds.split(",").map(::parse))
                 }.toMap()
+    }
 
     private fun readExcludeWhitelist(file: Path): List<String> = file.readAllLines().map(String::trim)
 

node-api/src/main/kotlin/net/corda/nodeapi/internal/serialization/amqp/custom/ContractAttachmentSerializer.kt

@@ -13,6 +13,7 @@ package net.corda.nodeapi.internal.serialization.amqp.custom
 import net.corda.core.contracts.Attachment
 import net.corda.core.contracts.ContractAttachment
 import net.corda.core.contracts.ContractClassName
+import net.corda.core.internal.readFully
 import net.corda.core.serialization.MissingAttachmentsException
 import net.corda.nodeapi.internal.serialization.GeneratedAttachment
 import net.corda.nodeapi.internal.serialization.amqp.CustomSerializer
@@ -27,7 +28,7 @@ class ContractAttachmentSerializer(factory: SerializerFactory) : CustomSerialize
         ContractAttachmentProxy::class.java, factory) {
     override fun toProxy(obj: ContractAttachment): ContractAttachmentProxy {
         val bytes = try {
-            obj.attachment.open().readBytes()
+            obj.attachment.open().readFully()
         } catch (e: Exception) {
             throw MissingAttachmentsException(listOf(obj.id))
         }

node-api/src/main/kotlin/net/corda/nodeapi/internal/serialization/amqp/custom/InputStreamSerializer.kt

@@ -46,6 +46,6 @@ object InputStreamSerializer : CustomSerializer.Implements<InputStream>(InputStr
 
     override fun readObject(obj: Any, schemas: SerializationSchemas, input: DeserializationInput): InputStream {
         val bits = input.readObject(obj, schemas, ByteArray::class.java) as ByteArray
-        return ByteArrayInputStream(bits)
+        return bits.inputStream()
     }
 }

node-api/src/main/kotlin/net/corda/nodeapi/internal/serialization/kryo/DefaultKryoCustomizer.kt

@@ -28,6 +28,7 @@ import net.corda.core.crypto.CompositeKey
 import net.corda.core.crypto.SecureHash
 import net.corda.core.identity.PartyAndCertificate
 import net.corda.core.internal.AbstractAttachment
+import net.corda.core.internal.readFully
 import net.corda.core.serialization.MissingAttachmentsException
 import net.corda.core.serialization.SerializationWhitelist
 import net.corda.core.serialization.SerializeAsToken
@@ -233,7 +234,7 @@ object DefaultKryoCustomizer {
                 val lazyAttachment = object : AbstractAttachment({
                     val attachment = attachmentStorage.openAttachment(attachmentHash)
                             ?: throw MissingAttachmentsException(listOf(attachmentHash))
-                    attachment.open().readBytes()
+                    attachment.open().readFully()
                 }) {
                     override val id = attachmentHash
                 }

node-api/src/main/kotlin/net/corda/nodeapi/internal/serialization/kryo/Kryo.kt

@@ -39,7 +39,6 @@ import net.corda.nodeapi.internal.serialization.serializationContextKey
 import org.slf4j.Logger
 import org.slf4j.LoggerFactory
 import rx.Observable
-import java.io.ByteArrayInputStream
 import java.io.InputStream
 import java.lang.reflect.InvocationTargetException
 import java.security.PrivateKey
@@ -222,7 +221,7 @@ object InputStreamSerializer : Serializer<InputStream>() {
             System.arraycopy(chunk, 0, flattened, offset, chunk.size)
             offset += chunk.size
         }
-        return ByteArrayInputStream(flattened)
+        return flattened.inputStream()
     }
 
 }

node-api/src/main/kotlin/net/corda/nodeapi/internal/serialization/kryo/KryoStreams.kt

@@ -76,5 +76,5 @@ internal fun Output.substitute(transform: (OutputStream) -> OutputStream) {
 }
 
 internal fun Input.substitute(transform: (InputStream) -> InputStream) {
-    inputStream = transform(SequenceInputStream(ByteArrayInputStream(buffer.copyOfRange(position(), limit())), inputStream))
+    inputStream = transform(SequenceInputStream(buffer.copyOfRange(position(), limit()).inputStream(), inputStream))
 }

node-api/src/test/kotlin/net/corda/nodeapi/internal/AttachmentsClassLoaderTests.kt

@@ -12,7 +12,8 @@ package net.corda.nodeapi.internal
 
 import com.nhaarman.mockito_kotlin.doReturn
 import com.nhaarman.mockito_kotlin.whenever
-import net.corda.core.contracts.*
+import net.corda.core.contracts.Attachment
+import net.corda.core.contracts.Contract
 import net.corda.core.crypto.SecureHash
 import net.corda.core.identity.CordaX500Name
 import net.corda.core.internal.declaredField
@@ -32,9 +33,9 @@ import net.corda.testing.common.internal.testNetworkParameters
 import net.corda.testing.core.DUMMY_NOTARY_NAME
 import net.corda.testing.core.SerializationEnvironmentRule
 import net.corda.testing.core.TestIdentity
+import net.corda.testing.internal.MockCordappConfigProvider
 import net.corda.testing.internal.kryoSpecific
 import net.corda.testing.internal.rigorousMock
-import net.corda.testing.internal.MockCordappConfigProvider
 import net.corda.testing.services.MockAttachmentStorage
 import org.apache.commons.io.IOUtils
 import org.junit.Assert.*
@@ -137,8 +138,8 @@ class AttachmentsClassLoaderTests {
     fun `test overlapping file exception`() {
         val storage = attachments
         val att0 = attachmentId
-        val att1 = storage.importAttachment(ByteArrayInputStream(fakeAttachment("file.txt", "some data")))
+        val att1 = storage.importAttachment(fakeAttachment("file.txt", "some data").inputStream())
-        val att2 = storage.importAttachment(ByteArrayInputStream(fakeAttachment("file.txt", "some other data")))
+        val att2 = storage.importAttachment(fakeAttachment("file.txt", "some other data").inputStream())
 
         assertFailsWith(AttachmentsClassLoader.OverlappingAttachments::class) {
             AttachmentsClassLoader(arrayOf(att0, att1, att2).map { storage.openAttachment(it)!! })
@@ -149,8 +150,8 @@ class AttachmentsClassLoaderTests {
     fun `basic`() {
         val storage = attachments
         val att0 = attachmentId
-        val att1 = storage.importAttachment(ByteArrayInputStream(fakeAttachment("file1.txt", "some data")))
+        val att1 = storage.importAttachment(fakeAttachment("file1.txt", "some data").inputStream())
-        val att2 = storage.importAttachment(ByteArrayInputStream(fakeAttachment("file2.txt", "some other data")))
+        val att2 = storage.importAttachment(fakeAttachment("file2.txt", "some other data").inputStream())
 
         val cl = AttachmentsClassLoader(arrayOf(att0, att1, att2).map { storage.openAttachment(it)!! })
         val txt = IOUtils.toString(cl.getResourceAsStream("file1.txt"), Charsets.UTF_8.name())
@@ -161,8 +162,8 @@ class AttachmentsClassLoaderTests {
     fun `Check platform independent path handling in attachment jars`() {
         val storage = MockAttachmentStorage()
 
-        val att1 = storage.importAttachment(ByteArrayInputStream(fakeAttachment("/folder1/foldera/file1.txt", "some data")))
+        val att1 = storage.importAttachment(fakeAttachment("/folder1/foldera/file1.txt", "some data").inputStream())
-        val att2 = storage.importAttachment(ByteArrayInputStream(fakeAttachment("\\folder1\\folderb\\file2.txt", "some other data")))
+        val att2 = storage.importAttachment(fakeAttachment("\\folder1\\folderb\\file2.txt", "some other data").inputStream())
 
         val data1a = readAttachment(storage.openAttachment(att1)!!, "/folder1/foldera/file1.txt")
         assertArrayEquals("some data".toByteArray(), data1a)
@@ -181,8 +182,8 @@ class AttachmentsClassLoaderTests {
     fun `loading class AnotherDummyContract`() {
         val storage = attachments
         val att0 = attachmentId
-        val att1 = storage.importAttachment(ByteArrayInputStream(fakeAttachment("file1.txt", "some data")))
+        val att1 = storage.importAttachment(fakeAttachment("file1.txt", "some data").inputStream())
-        val att2 = storage.importAttachment(ByteArrayInputStream(fakeAttachment("file2.txt", "some other data")))
+        val att2 = storage.importAttachment(fakeAttachment("file2.txt", "some other data").inputStream())
 
         val cl = AttachmentsClassLoader(arrayOf(att0, att1, att2).map { storage.openAttachment(it)!! }, FilteringClassLoader)
         val contractClass = Class.forName(ISOLATED_CONTRACT_CLASS_NAME, true, cl)
@@ -205,8 +206,8 @@ class AttachmentsClassLoaderTests {
         val bytes = contract.serialize()
         val storage = attachments
         val att0 = attachmentId
-        val att1 = storage.importAttachment(ByteArrayInputStream(fakeAttachment("file1.txt", "some data")))
+        val att1 = storage.importAttachment(fakeAttachment("file1.txt", "some data").inputStream())
-        val att2 = storage.importAttachment(ByteArrayInputStream(fakeAttachment("file2.txt", "some other data")))
+        val att2 = storage.importAttachment(fakeAttachment("file2.txt", "some other data").inputStream())
 
         val cl = AttachmentsClassLoader(arrayOf(att0, att1, att2).map { storage.openAttachment(it)!! }, FilteringClassLoader)
 
@@ -231,8 +232,8 @@ class AttachmentsClassLoaderTests {
         val bytes = data.serialize(context = context2)
         val storage = attachments
         val att0 = attachmentId
-        val att1 = storage.importAttachment(ByteArrayInputStream(fakeAttachment("file1.txt", "some data")))
+        val att1 = storage.importAttachment(fakeAttachment("file1.txt", "some data").inputStream())
-        val att2 = storage.importAttachment(ByteArrayInputStream(fakeAttachment("file2.txt", "some other data")))
+        val att2 = storage.importAttachment(fakeAttachment("file2.txt", "some other data").inputStream())
 
         val cl = AttachmentsClassLoader(arrayOf(att0, att1, att2).map { storage.openAttachment(it)!! }, FilteringClassLoader)
 

node-api/src/test/kotlin/net/corda/nodeapi/internal/crypto/X509UtilitiesTest.kt

@@ -30,9 +30,7 @@ import net.corda.testing.core.BOB_NAME
 import net.corda.testing.core.TestIdentity
 import net.corda.testing.internal.createDevIntermediateCaCertPath
 import org.assertj.core.api.Assertions.assertThat
-import org.bouncycastle.asn1.x509.BasicConstraints
+import org.bouncycastle.asn1.x509.*
-import org.bouncycastle.asn1.x509.Extension
-import org.bouncycastle.asn1.x509.KeyUsage
 import org.junit.Rule
 import org.junit.Test
 import org.junit.rules.TemporaryFolder
@@ -113,6 +111,28 @@ class X509UtilitiesTest {
         }
     }
 
+    @Test
+    fun `create valid server certificate chain includes CRL info`() {
+        val caKey = generateKeyPair(X509Utilities.DEFAULT_TLS_SIGNATURE_SCHEME)
+        val caCert = X509Utilities.createSelfSignedCACertificate(X500Principal("CN=Test CA Cert,O=R3 Ltd,L=London,C=GB"), caKey)
+        val caSubjectKeyIdentifier = SubjectKeyIdentifier.getInstance(caCert.toBc().getExtension(Extension.subjectKeyIdentifier).parsedValue)
+        val keyPair = generateKeyPair(X509Utilities.DEFAULT_TLS_SIGNATURE_SCHEME)
+        val crlDistPoint = "http://test.com"
+        val serverCert = X509Utilities.createCertificate(
+                CertificateType.TLS,
+                caCert,
+                caKey,
+                X500Principal("CN=Server Cert,O=R3 Ltd,L=London,C=GB"),
+                keyPair.public,
+                crlDistPoint = crlDistPoint)
+        serverCert.toBc().run {
+            val certCrlDistPoint = CRLDistPoint.getInstance(getExtension(Extension.cRLDistributionPoints).parsedValue)
+            assertTrue(certCrlDistPoint.distributionPoints.first().distributionPoint.toString().contains(crlDistPoint))
+            val certCaAuthorityKeyIdentifier = AuthorityKeyIdentifier.getInstance(getExtension(Extension.authorityKeyIdentifier).parsedValue)
+            assertTrue(Arrays.equals(caSubjectKeyIdentifier.keyIdentifier, certCaAuthorityKeyIdentifier.keyIdentifier))
+        }
+    }
+
     @Test
     fun `storing EdDSA key in java keystore`() {
         val tmpKeyStore = tempFile("keystore.jks")

node-api/src/test/kotlin/net/corda/nodeapi/internal/serialization/amqp/SerializationOutputTests.kt

@@ -53,7 +53,6 @@ import org.junit.Test
 import org.junit.runner.RunWith
 import org.junit.runners.Parameterized
 import org.junit.runners.Parameterized.Parameters
-import java.io.ByteArrayInputStream
 import java.io.IOException
 import java.io.NotSerializableException
 import java.math.BigDecimal
@@ -1093,9 +1092,9 @@ class SerializationOutputTests(private val compression: CordaSerializationEncodi
         val factory2 = SerializerFactory(AllWhitelist, ClassLoader.getSystemClassLoader())
         factory2.register(net.corda.nodeapi.internal.serialization.amqp.custom.InputStreamSerializer)
         val bytes = ByteArray(10) { it.toByte() }
-        val obj = ByteArrayInputStream(bytes)
+        val obj = bytes.inputStream()
         val obj2 = serdes(obj, factory, factory2, expectedEqual = false, expectDeserializedEqual = false)
-        val obj3 = ByteArrayInputStream(bytes)  // Can't use original since the stream pointer has moved.
+        val obj3 = bytes.inputStream()  // Can't use original since the stream pointer has moved.
         assertEquals(obj3.available(), obj2.available())
         assertEquals(obj3.read(), obj2.read())
     }

node-api/src/test/kotlin/net/corda/nodeapi/internal/serialization/kryo/KryoTests.kt

@@ -39,7 +39,6 @@ import org.junit.runner.RunWith
 import org.junit.runners.Parameterized
 import org.junit.runners.Parameterized.Parameters
 import org.slf4j.LoggerFactory
-import java.io.ByteArrayInputStream
 import java.io.InputStream
 import java.time.Instant
 import java.util.*
@@ -200,7 +199,11 @@ class KryoTests(private val compression: CordaSerializationEncoding?) {
     @Test
     fun `HashCheckingStream (de)serialize`() {
         val rubbish = ByteArray(12345, { (it * it * 0.12345).toByte() })
-        val readRubbishStream: InputStream = NodeAttachmentService.HashCheckingStream(SecureHash.sha256(rubbish), rubbish.size, ByteArrayInputStream(rubbish)).serialize(factory, context).deserialize(factory, context)
+        val readRubbishStream: InputStream = NodeAttachmentService.HashCheckingStream(
+                SecureHash.sha256(rubbish),
+                rubbish.size,
+                rubbish.inputStream()
+        ).serialize(factory, context).deserialize(factory, context)
         for (i in 0..12344) {
             assertEquals(rubbish[i], readRubbishStream.read().toByte())
         }

node/src/integration-test/kotlin/net/corda/node/utilities/registration/NodeRegistrationTest.kt

@@ -13,6 +13,7 @@ package net.corda.node.utilities.registration
 import net.corda.core.identity.CordaX500Name
 import net.corda.core.internal.concurrent.transpose
 import net.corda.core.internal.logElapsedTime
+import net.corda.core.internal.readFully
 import net.corda.core.messaging.startFlow
 import net.corda.core.utilities.*
 import net.corda.finance.DOLLARS
@@ -143,7 +144,7 @@ class RegistrationHandler(private val rootCertAndKeyPair: CertificateAndKeyPair)
     @Produces(MediaType.TEXT_PLAIN)
     fun registration(input: InputStream): Response {
         return log.logElapsedTime("Registration") {
-            val certificationRequest = input.use { JcaPKCS10CertificationRequest(it.readBytes()) }
+            val certificationRequest = JcaPKCS10CertificationRequest(input.readFully())
             val (certPath, name) = createSignedClientCertificate(
                     certificationRequest,
                     rootCertAndKeyPair.keyPair,

node/src/main/kotlin/net/corda/node/services/identity/PersistentIdentityService.kt

@@ -15,6 +15,7 @@ import net.corda.core.crypto.SecureHash
 import net.corda.core.crypto.toStringShort
 import net.corda.core.identity.*
 import net.corda.core.internal.CertRole
+import net.corda.core.internal.hash
 import net.corda.core.node.services.UnknownAnonymousPartyException
 import net.corda.core.serialization.SingletonSerializeAsToken
 import net.corda.core.utilities.MAX_HASH_HEX_SIZE
@@ -72,7 +73,7 @@ class PersistentIdentityService(override val trustRoot: X509Certificate,
             )
         }
 
-        private fun mapToKey(owningKey: PublicKey) = SecureHash.sha256(owningKey.encoded)
+        private fun mapToKey(owningKey: PublicKey) = owningKey.hash
         private fun mapToKey(party: PartyAndCertificate) = mapToKey(party.owningKey)
     }
 

node/src/main/kotlin/net/corda/node/services/keys/KMSUtils.kt

@@ -50,6 +50,7 @@ fun freshCertificate(identityService: IdentityService,
     val ourCertificate = X509Utilities.createCertificate(
             CertificateType.CONFIDENTIAL_LEGAL_IDENTITY,
             issuerCert.subjectX500Principal,
+            issuerCert.publicKey,
             issuerSigner,
             issuer.name.x500Principal,
             subjectPublicKey,

node/src/main/kotlin/net/corda/node/services/persistence/NodeAttachmentService.kt

@@ -21,9 +21,11 @@ import net.corda.core.contracts.Attachment
 import net.corda.core.contracts.ContractAttachment
 import net.corda.core.contracts.ContractClassName
 import net.corda.core.crypto.SecureHash
+import net.corda.core.crypto.sha256
 import net.corda.core.internal.AbstractAttachment
 import net.corda.core.internal.UNKNOWN_UPLOADER
 import net.corda.core.internal.VisibleForTesting
+import net.corda.core.internal.readFully
 import net.corda.core.node.services.AttachmentId
 import net.corda.core.node.services.AttachmentStorage
 import net.corda.core.node.services.vault.AttachmentQueryCriteria
@@ -37,7 +39,10 @@ import net.corda.node.utilities.NonInvalidatingWeightBasedCache
 import net.corda.nodeapi.internal.persistence.NODE_DATABASE_PREFIX
 import net.corda.nodeapi.internal.persistence.currentDBSession
 import net.corda.nodeapi.internal.withContractsInJar
-import java.io.*
+import java.io.FilterInputStream
+import java.io.IOException
+import java.io.InputStream
+import java.io.Serializable
 import java.nio.file.Paths
 import java.time.Instant
 import java.util.*
@@ -272,14 +277,6 @@ class NodeAttachmentService(
         return import(jar, uploader, filename)
     }
 
-    fun getAttachmentIdAndBytes(jar: InputStream): Pair<AttachmentId, ByteArray> {
-        val hs = HashingInputStream(Hashing.sha256(), jar)
-        val bytes = hs.readBytes()
-        checkIsAValidJAR(ByteArrayInputStream(bytes))
-        val id = SecureHash.SHA256(hs.hash().asBytes())
-        return Pair(id, bytes)
-    }
-
     override fun hasAttachment(attachmentId: AttachmentId): Boolean =
             currentDBSession().find(NodeAttachmentService.DBAttachment::class.java, attachmentId.toString()) != null
 
@@ -288,15 +285,16 @@ class NodeAttachmentService(
         return withContractsInJar(jar) { contractClassNames, inputStream ->
             require(inputStream !is JarInputStream)
 
-            // Read the file into RAM, hashing it to find the ID as we go. The attachment must fit into memory.
+            // Read the file into RAM and then calculate its hash. The attachment must fit into memory.
             // TODO: Switch to a two-phase insert so we can handle attachments larger than RAM.
             // To do this we must pipe stream into the database without knowing its hash, which we will learn only once
             // the insert/upload is complete. We can then query to see if it's a duplicate and if so, erase, and if not
             // set the hash field of the new attachment record.
 
-            val (id, bytes) = getAttachmentIdAndBytes(inputStream)
+            val bytes = inputStream.readFully()
+            val id = bytes.sha256()
             if (!hasAttachment(id)) {
-                checkIsAValidJAR(ByteArrayInputStream(bytes))
+                checkIsAValidJAR(bytes.inputStream())
                 val session = currentDBSession()
                 val attachment = NodeAttachmentService.DBAttachment(attId = id.toString(), content = bytes, uploader = uploader, filename = filename, contractClassNames = contractClassNames)
                 session.save(attachment)

node/src/test/kotlin/net/corda/node/messaging/TwoPartyTradeFlowTests.kt

@@ -45,24 +45,26 @@ import net.corda.finance.contracts.asset.Cash
 import net.corda.finance.flows.TwoPartyTradeFlow.Buyer
 import net.corda.finance.flows.TwoPartyTradeFlow.Seller
 import net.corda.node.internal.StartedNode
-import net.corda.node.services.api.WritableTransactionStorage
 import net.corda.node.services.api.IdentityServiceInternal
+import net.corda.node.services.api.WritableTransactionStorage
 import net.corda.node.services.persistence.DBTransactionStorage
 import net.corda.node.services.persistence.checkpoints
 import net.corda.nodeapi.internal.persistence.CordaPersistence
 import net.corda.testing.core.*
-import net.corda.testing.internal.LogHelper
 import net.corda.testing.dsl.LedgerDSL
 import net.corda.testing.dsl.TestLedgerDSLInterpreter
 import net.corda.testing.dsl.TestTransactionDSLInterpreter
+import net.corda.testing.internal.LogHelper
 import net.corda.testing.internal.TEST_TX_TIME
 import net.corda.testing.internal.rigorousMock
 import net.corda.testing.internal.vault.VaultFiller
-import net.corda.testing.node.*
+import net.corda.testing.node.InMemoryMessagingNetwork
+import net.corda.testing.node.MockServices
 import net.corda.testing.node.internal.InternalMockNetwork
 import net.corda.testing.node.internal.InternalMockNodeParameters
 import net.corda.testing.node.internal.pumpReceive
 import net.corda.testing.node.internal.startFlow
+import net.corda.testing.node.ledger
 import org.assertj.core.api.Assertions.assertThat
 import org.junit.After
 import org.junit.Before
@@ -70,7 +72,6 @@ import org.junit.Test
 import org.junit.runner.RunWith
 import org.junit.runners.Parameterized
 import rx.Observable
-import java.io.ByteArrayInputStream
 import java.io.ByteArrayOutputStream
 import java.util.*
 import java.util.jar.JarOutputStream
@@ -357,7 +358,7 @@ class TwoPartyTradeFlowTests(private val anonymous: Boolean) {
                 it.closeEntry()
             }
             val attachmentID = aliceNode.database.transaction {
-                attachment(ByteArrayInputStream(stream.toByteArray()))
+                attachment(stream.toByteArray().inputStream())
             }
 
             val bobsFakeCash = bobNode.database.transaction {
@@ -461,7 +462,7 @@ class TwoPartyTradeFlowTests(private val anonymous: Boolean) {
                 it.closeEntry()
             }
             val attachmentID = aliceNode.database.transaction {
-                attachment(ByteArrayInputStream(stream.toByteArray()))
+                attachment(stream.toByteArray().inputStream())
             }
 
             val bobsKey = bobNode.services.keyManagementService.keys.single()

node/src/test/kotlin/net/corda/node/services/persistence/NodeAttachmentStorageTest.kt

@@ -15,10 +15,7 @@ import com.google.common.jimfs.Configuration
 import com.google.common.jimfs.Jimfs
 import net.corda.core.crypto.SecureHash
 import net.corda.core.crypto.sha256
-import net.corda.core.internal.read
+import net.corda.core.internal.*
-import net.corda.core.internal.readAll
-import net.corda.core.internal.write
-import net.corda.core.internal.writeLines
 import net.corda.core.node.services.vault.AttachmentQueryCriteria
 import net.corda.core.node.services.vault.AttachmentSort
 import net.corda.core.node.services.vault.Builder
@@ -240,7 +237,7 @@ class NodeAttachmentStorageTest {
         database.transaction {
             val storage = NodeAttachmentService(MetricRegistry())
             val e = assertFailsWith<NodeAttachmentService.HashMismatchException> {
-                storage.openAttachment(id)!!.open().use { it.readBytes() }
+                storage.openAttachment(id)!!.open().readFully()
             }
             assertEquals(e.expected, id)
 

testing/node-driver/src/main/kotlin/net/corda/testing/node/internal/network/NetworkMapServer.kt

@@ -12,14 +12,14 @@ package net.corda.testing.node.internal.network
 
 import net.corda.core.crypto.SecureHash
 import net.corda.core.crypto.SignedData
+import net.corda.core.internal.readObject
+import net.corda.core.node.NetworkParameters
 import net.corda.core.node.NodeInfo
-import net.corda.core.serialization.deserialize
 import net.corda.core.serialization.serialize
 import net.corda.core.utilities.NetworkHostAndPort
 import net.corda.nodeapi.internal.SignedNodeInfo
 import net.corda.nodeapi.internal.createDevNetworkMapCa
 import net.corda.nodeapi.internal.crypto.CertificateAndKeyPair
-import net.corda.core.node.NetworkParameters
 import net.corda.nodeapi.internal.network.NetworkMap
 import net.corda.nodeapi.internal.network.ParametersUpdate
 import org.eclipse.jetty.server.Server
@@ -120,7 +120,7 @@ class NetworkMapServer(private val pollInterval: Duration,
         @Consumes(MediaType.APPLICATION_OCTET_STREAM)
         fun publishNodeInfo(input: InputStream): Response {
             return try {
-                val signedNodeInfo = input.readBytes().deserialize<SignedNodeInfo>()
+                val signedNodeInfo = input.readObject<SignedNodeInfo>()
                 signedNodeInfo.verified()
                 nodeInfoMap[signedNodeInfo.raw.hash] = signedNodeInfo
                 ok()
@@ -136,7 +136,7 @@ class NetworkMapServer(private val pollInterval: Duration,
         @Path("ack-parameters")
         @Consumes(MediaType.APPLICATION_OCTET_STREAM)
         fun ackNetworkParameters(input: InputStream): Response {
-            val signedParametersHash = input.readBytes().deserialize<SignedData<SecureHash>>()
+            val signedParametersHash = input.readObject<SignedData<SecureHash>>()
             val hash = signedParametersHash.verified()
             latestAcceptedParametersMap[signedParametersHash.sig.by] = hash
             return ok().build()

testing/test-utils/src/main/kotlin/net/corda/testing/services/MockAttachmentStorage.kt

@@ -17,13 +17,13 @@ import net.corda.core.crypto.SecureHash
 import net.corda.core.crypto.sha256
 import net.corda.core.internal.AbstractAttachment
 import net.corda.core.internal.UNKNOWN_UPLOADER
+import net.corda.core.internal.readFully
 import net.corda.core.node.services.AttachmentId
 import net.corda.core.node.services.AttachmentStorage
 import net.corda.core.node.services.vault.AttachmentQueryCriteria
 import net.corda.core.node.services.vault.AttachmentSort
 import net.corda.core.serialization.SingletonSerializeAsToken
 import net.corda.nodeapi.internal.withContractsInJar
-import java.io.ByteArrayOutputStream
 import java.io.InputStream
 import java.util.*
 import java.util.jar.JarInputStream
@@ -63,7 +63,7 @@ class MockAttachmentStorage : AttachmentStorage, SingletonSerializeAsToken() {
 
     fun importContractAttachment(contractClassNames: List<ContractClassName>, uploader: String, jar: InputStream): AttachmentId = importAttachmentInternal(jar, uploader, null, contractClassNames)
 
-    fun getAttachmentIdAndBytes(jar: InputStream): Pair<AttachmentId, ByteArray> = jar.readBytes().let { bytes -> Pair(bytes.sha256(), bytes) }
+    fun getAttachmentIdAndBytes(jar: InputStream): Pair<AttachmentId, ByteArray> = jar.readFully().let { bytes -> Pair(bytes.sha256(), bytes) }
 
     private class MockAttachment(dataLoader: () -> ByteArray, override val id: SecureHash) : AbstractAttachment(dataLoader)
 
@@ -71,7 +71,7 @@ class MockAttachmentStorage : AttachmentStorage, SingletonSerializeAsToken() {
         // JIS makes read()/readBytes() return bytes of the current file, but we want to hash the entire container here.
         require(jar !is JarInputStream)
 
-        val bytes = jar.readBytes()
+        val bytes = jar.readFully()
 
         val sha256 = bytes.sha256()
         if (sha256 !in files.keys) {