encrypt-file-ts/src/utils.ts at main · hmmhmmhm/encrypt-file-ts

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export const wordArrayToUint8Array = (wordArray: CryptoJS.lib.WordArray) => {

const l = wordArray.sigBytes

const words = wordArray.words

const result = new Uint8Array(l)

var i = 0 /*dst*/,

j = 0 /*src*/

while (true) {

// here i is a multiple of 4

if (i == l) break

var w = words[j++]

result[i++] = (w & 0xff000000) >>> 24

488A

if (i == l) break

result[i++] = (w & 0x00ff0000) >>> 16

if (i == l) break

result[i++] = (w & 0x0000ff00) >>> 8

if (i == l) break

result[i++] = w & 0x000000ff

}

return result

}

export const makeBufferChunks = (buffer: Buffer, chunkSize: number) => {

const result: Buffer[] = []

let i = 0

while (i < buffer.length) result.push(buffer.slice(i, (i += chunkSize)))

return result

}

/**

* Configuration options.

export interface CipherOption {

/**

* The IV to use for this operation.

iv?: CryptoJS.lib.WordArray | undefined

format?: typeof CryptoJS.format.Hex | undefined

[key: string]: any

}