62 lines
1.4 KiB
JavaScript
62 lines
1.4 KiB
JavaScript
import * as Crypto from "expo-crypto";
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export async function cryptoPassword(password) {
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const Salt = "6%dkszcU*&lk@#$T#(lknkj.359";
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const encryptedPassword = await calcEncryptedPassword(password);
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return encryptedPassword;
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async function calcEncryptedPassword(password) {
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if (!password || password.length <= 7) {
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return;
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}
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const payload = password + Salt;
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const len = payload.length;
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const a1 = payload.substring(0, 3);
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const a2 = payload.substring(3, len - 3);
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const a3 = payload.substring(len - 3);
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const encryptedPassword = await Crypto.digestStringAsync(
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Crypto.CryptoDigestAlgorithm.MD5,
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a1 + a3 + a2,
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{ encoding: Crypto.CryptoEncoding.HEX }
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);
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return encryptedPassword;
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}
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}
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export async function generateSignature(body) {
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const Salt = "6%dkszcU*&lk@#$T#(lknkj.359";
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const jsonBody = JSON.stringify(body);
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const signature = await calcSignature(jsonBody);
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return signature;
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async function calcSignature(s) {
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if (!s || s.length <= 20) {
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return;
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}
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const payload = s + Salt;
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const len = payload.length;
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const a1 = payload.substring(0, 10);
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const a2 = payload.substring(10, len - 10);
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const a3 = payload.substring(len - 10);
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const signature = await Crypto.digestStringAsync(
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Crypto.CryptoDigestAlgorithm.MD5,
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a1 + a3 + a2,
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{ encoding: Crypto.CryptoEncoding.HEX }
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);
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return signature;
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}
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}
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