blake2b算法使用

• Z时代
• 2024-01-10
• 分类：综合

public static String blake2b(String data) {
		try {
			byte[] dataBytes = data.getBytes("utf-8");
			return blake2b(dataBytes);
		} catch (Exception e) {
			e.printStackTrace();
		}
		return null;
	}
	public static String blake2b(byte[] data) {
		Blake2b blake2b = new Blake2b(256);
		blake2b.update(data, 0, data.length);
		byte[] digest = new byte[32];
		int size = blake2b.digest(digest, 0);
		if (size > 0) {
			return Hex.encodeHexString(digest);
		}
		return null;
	}
	public static String blake2b(InputStream data) {
		try {
			Blake2b blake2b = new Blake2b(256);
			byte[] digest = new byte[32];
			final byte[] buffer = new byte[1024];
			int read = data.read(buffer, 0, 1024);
			while (read > -1) {
				blake2b.update(buffer, 0, read);
				read = data.read(buffer, 0, 1024);
			}
			blake2b.digest(digest, 0);
			return Hex.encodeHexString(digest);
		} catch (Exception e) {
			e.printStackTrace();
		}
		return null;
	}
	public static String blake2bFile(String file) {
		if (StringUtils.isNotBlank(file)) {
			try {
				return blake2b(new FileInputStream(file));
			} catch (IOException e) {
				e.printStackTrace();
			}
		}
		return null;
	}

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