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Add system property to disable public key caching (#7438)

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This commit is contained in:
Rick Parker
2023-07-21 08:56:22 +01:00
committed by GitHub
parent 7d1d2297e7
commit 6ec8855c6e
1 changed files with 7 additions and 2 deletions
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5
core/src/main/kotlin/net/corda/core/crypto/internal/PublicKeyCache.kt
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@ -7,6 +7,8 @@ import java.security.PublicKey
import java.util.concurrent.ConcurrentHashMap
object PublicKeyCache {
private val DISABLE = java.lang.Boolean.getBoolean("net.corda.core.pubkeycache.disable")
private val collectedWeakPubKeys = ReferenceQueue<PublicKey>()
private class WeakPubKey(key: PublicKey, val bytes: ByteSequence? = null) : WeakReference<PublicKey>(key, collectedWeakPubKeys) {
@ -36,15 +38,18 @@ object PublicKeyCache {
}
fun bytesForCachedPublicKey(key: PublicKey): ByteSequence? {
if (DISABLE) return null
val weakPubKey = WeakPubKey(key)
return pubKeyToBytes[weakPubKey]
}
fun publicKeyForCachedBytes(bytes: ByteSequence): PublicKey? {
if (DISABLE) return null
return bytesToPubKey[bytes]?.get()
}
fun cachePublicKey(key: PublicKey): PublicKey {
if (DISABLE) return key
reapCollectedWeakPubKeys()
val weakPubKey = WeakPubKey(key, ByteSequence.of(key.encoded))
pubKeyToBytes.putIfAbsent(weakPubKey, weakPubKey.bytes!!)