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// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
// Copyright Joyent, Inc. and Node.js contributors. All rights reserved. MIT license.
import { getCiphers } from "internal:deno_node/polyfills/_crypto/crypto_browserify/browserify_aes/mod.js";
import { notImplemented } from "internal:deno_node/polyfills/_utils.ts";
import { Buffer } from "internal:deno_node/polyfills/buffer.ts";
import {
ERR_INVALID_ARG_TYPE,
hideStackFrames,
} from "internal:deno_node/polyfills/internal/errors.ts";
import {
isAnyArrayBuffer,
isArrayBufferView,
} from "internal:deno_node/polyfills/internal/util/types.ts";
import { crypto as constants } from "internal:deno_node/polyfills/internal_binding/constants.ts";
import {
kHandle,
kKeyObject,
} from "internal:deno_node/polyfills/internal/crypto/constants.ts";
// TODO(kt3k): Generate this list from `digestAlgorithms`
// of std/crypto/_wasm/mod.ts
const digestAlgorithms = [
"blake2b256",
"blake2b384",
"blake2b",
"blake2s",
"blake3",
"keccak-224",
"keccak-256",
"keccak-384",
"keccak-512",
"sha384",
"sha3-224",
"sha3-256",
"sha3-384",
"sha3-512",
"shake128",
"shake256",
"tiger",
"rmd160",
"sha224",
"sha256",
"sha512",
"md4",
"md5",
"sha1",
];
let defaultEncoding = "buffer";
export function setDefaultEncoding(val: string) {
defaultEncoding = val;
}
export function getDefaultEncoding(): string {
return defaultEncoding;
}
// This is here because many functions accepted binary strings without
// any explicit encoding in older versions of node, and we don't want
// to break them unnecessarily.
export function toBuf(val: string | Buffer, encoding?: string): Buffer {
if (typeof val === "string") {
if (encoding === "buffer") {
encoding = "utf8";
}
return Buffer.from(val, encoding);
}
return val;
}
export const validateByteSource = hideStackFrames((val, name) => {
val = toBuf(val);
if (isAnyArrayBuffer(val) || isArrayBufferView(val)) {
return;
}
throw new ERR_INVALID_ARG_TYPE(
name,
["string", "ArrayBuffer", "TypedArray", "DataView", "Buffer"],
val,
);
});
/**
* Returns an array of the names of the supported hash algorithms, such as 'sha1'.
*/
export function getHashes(): readonly string[] {
return digestAlgorithms;
}
export function getCurves(): readonly string[] {
notImplemented("crypto.getCurves");
}
export interface SecureHeapUsage {
total: number;
min: number;
used: number;
utilization: number;
}
export function secureHeapUsed(): SecureHeapUsage {
notImplemented("crypto.secureHeapUsed");
}
export function setEngine(_engine: string, _flags: typeof constants) {
notImplemented("crypto.setEngine");
}
export { getCiphers, kHandle, kKeyObject };
export default {
getDefaultEncoding,
getHashes,
setDefaultEncoding,
getCiphers,
getCurves,
secureHeapUsed,
setEngine,
validateByteSource,
toBuf,
kHandle,
kKeyObject,
};
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