byte数组转化为 String 乱码

Roll_tissue 2017-04-15 03:16:29

需要对一个byte 数组的数据进行哈希处理，但是将其转化为string类型时出现乱码导致无法哈希。

该byte数组是一个拼接数组，长度为740，按照20 128 128 20 128 20 20 128 20 128的长度顺序拼接起来。

请问应该如何做哈希处理呢？需要什么编码方式呢？



byte[] inputdata =  {-128, 0, 0, 0, 0, 0, 8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 96, 48, 54, 101, -97, 51, -98, 24, -65, -59, 86, -2, 127, -40, -67, -83, 53, -25, -72, 47, 53, -47, 80, -33, 34, 43, 127, -33, -98, 12, -96, 19, 108, 40, -93, -106, -56, -4, 57, -27, 126, 93, 80, -72, 76, 121, -78, 66, -4, 103, 67, -34, -102, 61, 102, 108, -54, 108, 87, 77, -24, -11, 91, 69, 28, -120, 65, 44, 43, -67, -113, -53, -106, 96, 81, 114, -25, 30, -97, -89, 72, 4, 87, 64, 77, -15, -29, 127, 50, -56, -43, -100, 118, 75, 66, 92, 83, -74, -7, -13, 44, 127, 116, 110, 100, -118, 25, 24, -110, -127, -101, 26, -95, -94, 58, -113, 102, -19, 25, 4, 12, -7, -11, 116, -88, -16, 58, -94, 16, 73, -9, 121, -6, 1, -50, -11, -33, -127, 4, -54, 8, 79, 78, -17, -117, 0, -84, -92, 45, -82, -30, -24, -105, -14, 59, 31, -100, -81, 100, -67, 120, 104, 118, 87, 10, 1, 66, 61, -46, 111, -2, 45, -102, 107, -9, -28, -58, 17, 16, -17, 51, 89, -117, -71, 4, -88, 90, 54, -20, 1, -114, -111, 109, 6, -122, -2, 60, -104, 79, 99, -122, -51, -116, -119, -127, -91, -58, -15, -18, 99, 32, 50, -120, 93, 48, -25, -100, -105, 107, -30, -19, -42, 8, -121, -102, -116, -21, -99, -36, -17, 42, 30, 98, 88, -115, 31, 82, -113, 91, 24, 28, 46, -49, 105, -15, -21, 74, -66, -21, 46, -74, -52, -57, 99, -3, -68, 65, 94, 10, -86, 53, -35, 53, 108, 16, 76, 80, -87, 75, -39, -18, 0, 55, -29, -41, 93, -120, 69, -42, -114, -54, -117, -37, 44, 94, -72, -36, -32, 71, 100, 20, -114, 108, 114, 77, -103, 5, 64, -69, 44, -124, 41, 25, 113, 30, -102, 47, -49, -35, 118, 111, 86, 44, -25, 88, 62, 83, 16, -81, 100, 60, -82, 75, -98, -4, -14, -24, -51, -94, -91, 43, 96, -53, -46, -119, -48, 52, -52, -95, 21, -98, 21, -56, 107, 62, -117, -67, -46, -104, 20, 75, -21, 10, -12, 55, -80, -16, 49, -4, 104, 55, 92, -46, -63, -88, 106, 24, 99, -29, 125, 5, -61, 38, -79, -80, -70, -47, -100, -89, 94, 36, 26, -126, 62, -124, -26, 58, -17, -118, 50, 78, -102, 13, -121, -80, -53, 19, 58, -46, 105, -97, 113, 57, 96, 40, -45, -43, 117, 18, -121, -21, 92, -122, 95, 47, -101, -48, -95, -42, 89, -126, 116, -88, -69, 21, 16, -43, -80, 103, -121, 101, -45, -30, 71, -15, -115, -8, -53, 50, 63, 109, -120, 26, -64, 97, -55, -69, -20, -69, -90, -22, -30, 73, 121, -112, 82, -50, 125, -46, -47, 6, -116, 8, -79, -128, -67, 65, 50, -26, 81, -54, -30, -28, 107, -27, -21, 112, 108, -91, -54, -124, 18, 33, -21, 40, 107, 79, 103, 20, 7, 74, -115, 37, -3, 111, -77, 24, -108, -42, 3, 112, -78, -103, 80, -90, 101, 92, 3, 54, 61, 126, 120, 23, 84, 25, 63, -105, 111, -82, -82, -123, 93, -45, 95, 20, -42, 73, 99, -22, -72, 42, -25, -4, -114, -110, 65, 63, 11, -46, 25, 94, 120, -19, -50, 71, -59, -11, 60, -35, 93, 72, 112, 15, 28, -127, -86, 82, -53, -82, -28, -114, -92, -122, -15, 69, -97, 66, -121, 32, 33, 27, 93, 102, -74, 82, -37, 104, 4, -29, -1, 2, 90, -12, 27, 30, 24, 32, 109, 19, 53, -23, 82, 103, -29, -11, -41, 123, 93, -124, 14, -123, 117, -36, 27, 35, 53, 22, -79, -123, 124, -110, -30, -13, 53, 39, -74, 121, 62, 17, 46, -113, 123, 50, -69, -96, 51, -3, 90, -39, 125, -49, 119, -31, -102, -85, 101, 86, -5, 10, 55, 102, -9, -16, 60, -56, 8, 97, -27, 77, 17, 48, 21, -101, -92, -20, 70, 121, 54, 1, 21, -101, 77, -74, -38, 71, -128, 88, 29, 116, -9, 49, 85, -121, 19, -8, 63, -92, 78, 52, -50, 45, -57, 0, -62, 84, 116, -46, -64, 8, 13, -5, -53, 77, -91, 115, 26, -122, -124, 55, -23, -19, -12, -58, -13, -15, -91, 52, 72, 52, 77, -71, -79, 5, 94, -72, 117, -38, 25, -45, -87};

String inputStr = new String(inputdata);

System.out.println(inputStr);

MessageDigest mDigest = MessageDigest.getInstance("SHA-256", inputStr);		

mDigest.update(inputdata);			

byte[] sha = mDigest.digest();