just format

This commit is contained in:
Alex Gleason
2023-08-31 13:42:15 -05:00
parent 2a70bb18ff
commit 718032022c
55 changed files with 930 additions and 1488 deletions

View File

@@ -1,8 +1,8 @@
import {randomBytes} from '@noble/hashes/utils'
import {secp256k1} from '@noble/curves/secp256k1'
import {base64} from '@scure/base'
import { randomBytes } from '@noble/hashes/utils'
import { secp256k1 } from '@noble/curves/secp256k1'
import { base64 } from '@scure/base'
import {utf8Decoder, utf8Encoder} from './utils.ts'
import { utf8Decoder, utf8Encoder } from './utils.ts'
// @ts-ignore
if (typeof crypto !== 'undefined' && !crypto.subtle && crypto.webcrypto) {
@@ -10,58 +10,30 @@ if (typeof crypto !== 'undefined' && !crypto.subtle && crypto.webcrypto) {
crypto.subtle = crypto.webcrypto.subtle
}
export async function encrypt(
privkey: string,
pubkey: string,
text: string
): Promise<string> {
export async function encrypt(privkey: string, pubkey: string, text: string): Promise<string> {
const key = secp256k1.getSharedSecret(privkey, '02' + pubkey)
const normalizedKey = getNormalizedX(key)
let iv = Uint8Array.from(randomBytes(16))
let plaintext = utf8Encoder.encode(text)
let cryptoKey = await crypto.subtle.importKey(
'raw',
normalizedKey,
{name: 'AES-CBC'},
false,
['encrypt']
)
let ciphertext = await crypto.subtle.encrypt(
{name: 'AES-CBC', iv},
cryptoKey,
plaintext
)
let cryptoKey = await crypto.subtle.importKey('raw', normalizedKey, { name: 'AES-CBC' }, false, ['encrypt'])
let ciphertext = await crypto.subtle.encrypt({ name: 'AES-CBC', iv }, cryptoKey, plaintext)
let ctb64 = base64.encode(new Uint8Array(ciphertext))
let ivb64 = base64.encode(new Uint8Array(iv.buffer))
return `${ctb64}?iv=${ivb64}`
}
export async function decrypt(
privkey: string,
pubkey: string,
data: string
): Promise<string> {
export async function decrypt(privkey: string, pubkey: string, data: string): Promise<string> {
let [ctb64, ivb64] = data.split('?iv=')
let key = secp256k1.getSharedSecret(privkey, '02' + pubkey)
let normalizedKey = getNormalizedX(key)
let cryptoKey = await crypto.subtle.importKey(
'raw',
normalizedKey,
{name: 'AES-CBC'},
false,
['decrypt']
)
let cryptoKey = await crypto.subtle.importKey('raw', normalizedKey, { name: 'AES-CBC' }, false, ['decrypt'])
let ciphertext = base64.decode(ctb64)
let iv = base64.decode(ivb64)
let plaintext = await crypto.subtle.decrypt(
{name: 'AES-CBC', iv},
cryptoKey,
ciphertext
)
let plaintext = await crypto.subtle.decrypt({ name: 'AES-CBC', iv }, cryptoKey, ciphertext)
let text = utf8Decoder.decode(plaintext)
return text