Method sm4_setkey_enc

src/com/autoDecoder/util/SM4.java:213–224

(SM4_Context ctx, byte[] key)

    }

    public void sm4_setkey_enc(SM4_Context ctx, byte[] key) throws Exception {
        if (ctx == null) {
            throw new Exception("ctx is null!");
        }

        if (key == null || key.length != 16) {
            throw new Exception("key error!");
        }

        ctx.mode = SM4_ENCRYPT;
        sm4_setkey(ctx.sk, key);
    }

    public void sm4_setkey_dec(SM4_Context ctx, byte[] key) throws Exception {
        if (ctx == null) {