java 用hmac-sha1进行签名

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    public static String getSignature(String s) throws NoSuchAlgorithmException, UnsupportedEncodingException, InvalidKeyException {
//        String Token = "O-xJVg7ZEXrtjWDNhzu05R7iZtyyXmv6NGt-xymKg0eOLCwwBCIgBBaDqJabzbPVCez1BvcI8q7blDGy4ZeCQQ";
        String key = "O-xJVg7ZEXrtjWDNhzu05R7iZtyyXmv6NGt-xymKg0eOLCwwBCIgBBaDqJabzbPVCez1BvcI8q7blDGy4ZeCQQ";
        System.out.println(key);
        String request = s.toLowerCase();
        Mac mac = Mac.getInstance("HmacSHA1");
        SecretKeySpec keySpec = new SecretKeySpec(key.getBytes(), "HmacSHA1");
        mac.init(keySpec);
        mac.update(request.getBytes());
        byte[] encryptedBytes = mac.doFinal();
        return Base64.encodeBase64String(encryptedBytes);
    }

java 用hmac-sha1进行签名

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原文地址：http://www.cnblogs.com/xiaojiayu/p/5410604.html