ts-jose/dist/mjs/jwe.js

Wrap functions of JOSE in steady interface

import { compactDecrypt, CompactEncrypt, decodeProtectedHeader } from 'jose';
export class JWE {
    static async decrypt(cypher, key, options) {
        const jwk = await this.getKeyFrom(cypher, key, options);
        if (typeof options?.enc === 'string')
            options.enc = [options.enc];
        if (typeof options?.alg === 'string')
            options.alg = [options.alg];
        const result = await compactDecrypt(cypher, jwk.key, {
            contentEncryptionAlgorithms: options?.enc ? [...options.enc] : undefined,
            keyManagementAlgorithms: options?.alg ? [...options.alg] : undefined,
        });
        const decoder = new TextDecoder();
        return decoder.decode(result.plaintext);
    }
    static async encrypt(data, key, options) {
        const jwk = key.getKey({
            use: 'enc',
            kid: options.kid,
        });
        const encoder = new TextEncoder();
        const jwe = new CompactEncrypt(encoder.encode(data));
        jwe.setProtectedHeader({
            alg: options.alg,
            enc: options.enc,
            kid: options.kid ?? jwk.kid,
        });
        return jwe.encrypt((await jwk.toPublic()).key);
    }
    static getKeyFrom(cypher, jwk, options) {
        const header = decodeProtectedHeader(cypher);
        return Promise.resolve(jwk.getKey({
            use: 'enc',
            kid: options?.kid ? options.kid : header.kid,
        }));
    }
}
//# sourceMappingURL=jwe.js.map