* len为241bytes,241*8=1928bit
* 转换为二进制为：1001001100000100011011111111101010011011001000001111100111101011000011110000011110001110111100101101101001100011000001001100111100011011001001001001010110111001011111000001110110000100110111001010001010001000001000001101111111111100011100111100111010001111111001101000111001010111100010101111010001000110010110101000110010101011011010100000111001001011110100001011101001001000001000011010001111011101000011110110111111111101010110000010010111101100010011111101111101110101100111111110110111011011000110010001110011000001010000000111010011101000101110000110010001100011001100110100011000110110011011000100111110001111100011100100111100001000100101001100011110011000111001000111010111011110010010000011100110011010010100100101100011001101111111011100001011010101010010000101110010010110110101101011000111011011100111011110001010101010111111010011010101110111000110000110010011111001111101011001110001010100101111001000100000000001011110110000110010010110100001110010110001001011011001100100001001111011111110111111010010110111000000101000000001011111001010010100000101100001111011111011000111111000101010000001000011111101110111010000011001111100101100001000000010100011000001111010010011111110010010111000101000110011001111111010111110110001111010000111101001000111011110101010000110000111001110101111110111111011010010010001111111111010000110000100001001110001000011001110111001111000111000001000110000101001001101100010111101010000011000110100101110111010000111000101101111100111111111100100111000000011001100110100001011010010100000011001100101111110110111101101010110101000010010100111011010010100101101101101011111010011110000001010100001110100011011111111010010110001010100100010110111100101101110000101000010110001010101100000001000101110011100101011110100000110001010100100111111111101100000001111011100010010010001011100011110100001010011110110011110011110101101111111100100101011100000101001001100011111100100110100100
* 填充1：10010011000001000110111111111010100110110010000011111001111010110000111100000111100011101111001011011010011000110000010011001111000110110010010010010101101110010111110000011101100001001101110010100010100010000010000011011111111111000111001111001110100011111110011010001110010101111000101011110100010001100101101010001100101010110110101000001110010010111101000010111010010010000010000110100011110111010000111101101111111111010101100000100101111011000100111111011111011101011001111111101101110110110001100100011100110000010100000001110100111010001011100001100100011000110011001101000110001101100110110001001111100011111000111001001111000010001001010011000111100110001110010001110101110111100100100000111001100110100101001001011000110011011111110111000010110101010100100001011100100101101101011010110001110110111001110111100010101010101111110100110101011101110001100001100100111110011111010110011100010101001011110010001000000000010111101100001100100101101000011100101100010010110110011001000010011110111111101111110100101101110000001010000000010111110010100101000001011000011110111110110001111110001010100000010000111111011101110100000110011111001011000010000000101000110000011110100100111111100100101110001010001100110011111110101111101100011110100001111010010001110111101010100001100001110011101011111101111110110100100100011111111110100001100001000010011100010000110011101110011110001110000010001100001010010011011000101111010100000110001101001011101110100001110001011011111001111111111001001110000000110011001101000010110100101000000110011001011111101101111011010101101010000100101001110110100101001011011011010111110100111100000010101000011101000110111111110100101100010101001000101101111001011011100001010000101100010101011000000010001011100111001010111101000001100010101001001111111111011000000011110111000100100100010111000111101000010100111101100111100111101011011111111001001010111000001010010011000111111001001101001001
* 填充kbit0:
(1928+1+k)mod512=448,k=55
0000000000000000000000000000000000000000000000000000000
* 二进制表示长度，共64bit
0000000000000000000000000000000000000000000000000000011110001000
* 合在一起即可
1001001100000100011011111111101010011011001000001111100111101011000011110000011110001110111100101101101001100011000001001100111100011011001001001001010110111001011111000001110110000100110111001010001010001000001000001101111111111100011100111100111010001111111001101000111001010111100010101111010001000110010110101000110010101011011010100000111001001011110100001011101001001000001000011010001111011101000011110110111111111101010110000010010111101100010011111101111101110101100111111110110111011011000110010001110011000001010000000111010011101000101110000110010001100011001100110100011000110110011011000100111110001111100011100100111100001000100101001100011110011000111001000111010111011110010010000011100110011010010100100101100011001101111111011100001011010101010010000101110010010110110101101011000111011011100111011110001010101010111111010011010101110111000110000110010011111001111101011001110001010100101111001000100000000001011110110000110010010110100001110010110001001011011001100100001001111011111110111111010010110111000000101000000001011111001010010100000101100001111011111011000111111000101010000001000011111101110111010000011001111100101100001000000010100011000001111010010011111110010010111000101000110011001111111010111110110001111010000111101001000111011110101010000110000111001110101111110111111011010010010001111111111010000110000100001001110001000011001110111001111000111000001000110000101001001101100010111101010000011000110100101110111010000111000101101111100111111111100100111000000011001100110100001011010010100000011001100101111110110111101101010110101000010010100111011010010100101101101101011111010011110000001010100001110100011011111111010010110001010100100010110111100101101110000101000010110001010101100000001000101110011100101011110100000110001010100100111111111101100000001111011100010010010001011100011110100001010011110110011110011110101101111111100100101011100000101001001100011111100100110100100100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000011110001000
标签：mod512,填充,0000000000000000000000000000000000000000000000000000000,二进制,111,1928 From： https://www.cnblogs.com/zhuqihahaha/p/18129035