The crypto primitives used in hypercore, extracted into a separate module. 

hypercore-crypto

The crypto primitives used in hypercore, extracted into a separate module

mafintosh

andrewosh

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		@@ -13,4 +13,6 @@ const sodium = require('sodium-universal')
		exports.keyPair = function (seed) {
		const publicKey = b4a.allocUnsafe(sodium.crypto_sign_PUBLICKEYBYTES)
		const secretKey = b4a.allocUnsafe(sodium.crypto_sign_SECRETKEYBYTES)
		// key pairs might stay around for a while, so better not to use a default slab to avoid retaining it completely
		const slab = b4a.allocUnsafeSlow(sodium.crypto_sign_PUBLICKEYBYTES + sodium.crypto_sign_SECRETKEYBYTES)
		const publicKey = slab.subarray(0, sodium.crypto_sign_PUBLICKEYBYTES)
		const secretKey = slab.subarray(sodium.crypto_sign_PUBLICKEYBYTES)

		@@ -33,3 +35,4 @@ if (seed) sodium.crypto_sign_seed_keypair(publicKey, secretKey, seed)
		exports.sign = function (message, secretKey) {
		const signature = b4a.allocUnsafe(sodium.crypto_sign_BYTES)
		// Dedicated slab for the signature, to avoid retaining unneeded mem and for security
		const signature = b4a.allocUnsafeSlow(sodium.crypto_sign_BYTES)
		sodium.crypto_sign_detached(signature, message, secretKey)
		@@ -108,3 +111,4 @@ return signature
		exports.discoveryKey = function (publicKey) {
		const digest = b4a.allocUnsafe(32)
		// Discovery keys might stay around for a while, so better not to use slab memory (for better gc)
		const digest = b4a.allocUnsafeSlow(32)
		sodium.crypto_generichash(digest, HYPERCORE, publicKey)
		@@ -124,5 +128,9 @@ return digest
		const ids = typeof count === 'number' ? range(count) : count
		const buf = b4a.allocUnsafe(32 * ids.length)

		// Namespaces are long-lived, so better to use a dedicated slab
		const buf = b4a.allocUnsafeSlow(32 * ids.length)

		const list = new Array(ids.length)

		// ns is emhemeral, so default slab
		const ns = b4a.allocUnsafe(33)
		@@ -129,0 +137,0 @@ sodium.crypto_generichash(ns.subarray(0, 32), typeof name === 'string' ? b4a.from(name) : name)

		{
		"name": "hypercore-crypto",
		"version": "3.4.1",
		"version": "3.4.2",
		"description": "The crypto primitives used in hypercore, extracted into a separate module",
		@@ -5,0 +5,0 @@ "main": "index.js",

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