@walletconnect/crypto
Version:
Isomorphic Cryptography Library for AES, HMAC and SHA2
101 lines • 4.3 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.browserSha512 = exports.browserSha256 = exports.browserHmacSha512Sign = exports.browserHmacSha256Sign = exports.browserAesDecrypt = exports.browserAesEncrypt = exports.browserImportKey = exports.browserExportKey = exports.getOps = exports.getAlgo = void 0;
const tslib_1 = require("tslib");
const env = tslib_1.__importStar(require("@walletconnect/environment"));
const constants_1 = require("../constants");
function getAlgo(type) {
return type === constants_1.AES_BROWSER_ALGO
? { length: constants_1.AES_LENGTH, name: constants_1.AES_BROWSER_ALGO }
: {
hash: { name: constants_1.HMAC_BROWSER_ALGO },
name: constants_1.HMAC_BROWSER,
};
}
exports.getAlgo = getAlgo;
function getOps(type) {
return type === constants_1.AES_BROWSER_ALGO ? [constants_1.ENCRYPT_OP, constants_1.DECRYPT_OP] : [constants_1.SIGN_OP, constants_1.VERIFY_OP];
}
exports.getOps = getOps;
function browserExportKey(cryptoKey, _type = constants_1.AES_BROWSER_ALGO) {
return tslib_1.__awaiter(this, void 0, void 0, function* () {
const subtle = env.getSubtleCrypto();
return new Uint8Array(yield subtle.exportKey("raw", cryptoKey));
});
}
exports.browserExportKey = browserExportKey;
function browserImportKey(buffer, type = constants_1.AES_BROWSER_ALGO) {
return tslib_1.__awaiter(this, void 0, void 0, function* () {
return env.getSubtleCrypto().importKey("raw", buffer, getAlgo(type), true, getOps(type));
});
}
exports.browserImportKey = browserImportKey;
function browserAesEncrypt(iv, key, data) {
return tslib_1.__awaiter(this, void 0, void 0, function* () {
const subtle = env.getSubtleCrypto();
const cryptoKey = yield browserImportKey(key, constants_1.AES_BROWSER_ALGO);
const result = yield subtle.encrypt({
iv,
name: constants_1.AES_BROWSER_ALGO,
}, cryptoKey, data);
return new Uint8Array(result);
});
}
exports.browserAesEncrypt = browserAesEncrypt;
function browserAesDecrypt(iv, key, data) {
return tslib_1.__awaiter(this, void 0, void 0, function* () {
const subtle = env.getSubtleCrypto();
const cryptoKey = yield browserImportKey(key, constants_1.AES_BROWSER_ALGO);
const result = yield subtle.decrypt({
iv,
name: constants_1.AES_BROWSER_ALGO,
}, cryptoKey, data);
return new Uint8Array(result);
});
}
exports.browserAesDecrypt = browserAesDecrypt;
function browserHmacSha256Sign(key, data) {
return tslib_1.__awaiter(this, void 0, void 0, function* () {
const subtle = env.getSubtleCrypto();
const cryptoKey = yield browserImportKey(key, constants_1.HMAC_BROWSER);
const signature = yield subtle.sign({
length: constants_1.HMAC_LENGTH,
name: constants_1.HMAC_BROWSER,
}, cryptoKey, data);
return new Uint8Array(signature);
});
}
exports.browserHmacSha256Sign = browserHmacSha256Sign;
function browserHmacSha512Sign(key, data) {
return tslib_1.__awaiter(this, void 0, void 0, function* () {
const subtle = env.getSubtleCrypto();
const cryptoKey = yield browserImportKey(key, constants_1.HMAC_BROWSER);
const signature = yield subtle.sign({
length: constants_1.LENGTH_512,
name: constants_1.HMAC_BROWSER,
}, cryptoKey, data);
return new Uint8Array(signature);
});
}
exports.browserHmacSha512Sign = browserHmacSha512Sign;
function browserSha256(data) {
return tslib_1.__awaiter(this, void 0, void 0, function* () {
const subtle = env.getSubtleCrypto();
const result = yield subtle.digest({
name: constants_1.SHA256_BROWSER_ALGO,
}, data);
return new Uint8Array(result);
});
}
exports.browserSha256 = browserSha256;
function browserSha512(data) {
return tslib_1.__awaiter(this, void 0, void 0, function* () {
const subtle = env.getSubtleCrypto();
const result = yield subtle.digest({
name: constants_1.SHA512_BROWSER_ALGO,
}, data);
return new Uint8Array(result);
});
}
exports.browserSha512 = browserSha512;
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