MD5(111111,16) = 965eb72c92a549dd
,?md5
www.cmd5.com
www.xmd5.com
MD5Message-Digest Algorithm 5-90MIT Laboratory for Computer Science?RSA Data Security Inc?Ronald L. Rivest?MD2?MD3?MD4"?"?MD2?MD4?MD5?128?MD2MD4?MD5?MD2?8MD4?MD532?C?Internet RFCs 1321?Ronald L. Rivest?1992?8?IEFT
Rivest?1989MD216?16Rogier?Chauvaud?MD2MD2--?
Rivest?1990?MD4MD4?448512?mod 512 = 44864?512?Damg?rd/MerkleDen Boer?Bosselaers?MD4?Dobbertin?MD4MD4
?MD4?MD5SHA-1?RIPE-MD?HAVAL?
?1991?Rivest?MD5?MD4"?-?"?Safety-BeltsMD5?MD4?MD4?MD5?-?MD4?Den Boer?BosselaersMD5Pseudo-Collisions
Van Oorschot?Wiener?Brute-Force Hash FunctionMD51994241991?2001?10?MD5MD6?MD5?MD5MD5?MD5?MD5
?
MD5MessageMessage-Digest?UNIX.md5?
MD5 (tanajiya.tar.gz) = 0ca175b9c0f726a831d895e269332461
tanajiya.tar.gzMD5?MD5MD5?MD5?"?"?
MD5?UNIXMD5?MD5MD5
""?MD5MD5?MD5?88 Bytes26+26+10=62?P(62,1)+P(62,2)?.+P(62,8)?TBMD5?UNIX?UNIX
?MD5MD5?512?16?3232?32128?
?MD5512448Bits Length?N*512+448?N*64+56Bytes?N?10064?=N*512+448+64=(N+1)*512512?
MD532?Chaining Variable?A=0x01234567?B=0x89abcdef?C=0xfedcba98?D=0x76543210?
?512?
A?a?B?b?C?c?D?d?
MD416?a?b?c?d?a?b?c?da?b?c?d
F(X,Y,Z) =(X&Y)|((~X)&Z)
G(X,Y,Z) =(X&Z)|(Y&(~Z))
H(X,Y,Z) =X^Y^Z
I(X,Y,Z)=Y^(X|(~Z))
?&|~^
X?Y?Z?
FXYZH?
?Mj?j?0?15?<<
FF(a,b,c,d,Mj,s,ti)?a=b+((a+(F(b,c,d)+Mj+ti)<< GG(a,b,c,d,Mj,s,ti)?a=b+((a+(G(b,c,d)+Mj+ti)<< HH(a,b,c,d,Mj,s,ti)?a=b+((a+(H(b,c,d)+Mj+ti)<< II(a,b,c,d,Mj,s,ti)?a=b+((a+(I(b,c,d)+Mj+ti)<<
64
FF(a,b,c,d,M0,7,0xd76aa478)
FF(d,a,b,c,M1,12,0xe8c7b756)
FF(c,d,a,b,M2,17,0x242070db)
FF(b,c,d,a,M3,22,0xc1bdceee)
FF(a,b,c,d,M4,7,0xf57c0faf)
FF(d,a,b,c,M5,12,0x4787c62a)
FF(c,d,a,b,M6,17,0xa8304613)
FF(b,c,d,a,M7,22,0xfd469501)
FF(a,b,c,d,M8,7,0x698098d8)
FF(d,a,b,c,M9,12,0x8b44f7af)
FF(c,d,a,b,M10,17,0xffff5bb1)
FF(b,c,d,a,M11,22,0x895cd7be)
FF(a,b,c,d,M12,7,0x6b901122)
FF(d,a,b,c,M13,12,0xfd987193)
FF(c,d,a,b,M14,17,0xa679438e)
FF(b,c,d,a,M15,22,0x49b40821)
GG(a,b,c,d,M1,5,0xf61e2562)
GG(d,a,b,c,M6,9,0xc040b340)
GG(c,d,a,b,M11,14,0x265e5a51)
GG(b,c,d,a,M0,20,0xe9b6c7aa)
GG(a,b,c,d,M5,5,0xd62f105d)
GG(d,a,b,c,M10,9,0x02441453)
GG(c,d,a,b,M15,14,0xd8a1e681)
GG(b,c,d,a,M4,20,0xe7d3fbc8)
GG(a,b,c,d,M9,5,0x21e1cde6)
GG(d,a,b,c,M14,9,0xc33707d6)
GG(c,d,a,b,M3,14,0xf4d50d87)
GG(b,c,d,a,M8,20,0x455a14ed)
GG(a,b,c,d,M13,5,0xa9e3e905)
GG(d,a,b,c,M2,9,0xfcefa3f8)
GG(c,d,a,b,M7,14,0x676f02d9)
GG(b,c,d,a,M12,20,0x8d2a4c8a)
HH(a,b,c,d,M5,4,0xfffa3942)
HH(d,a,b,c,M8,11,0x8771f681)
HH(c,d,a,b,M11,16,0x6d9d6122)
HH(b,c,d,a,M14,23,0xfde5380c)
HH(a,b,c,d,M1,4,0xa4beea44)
HH(d,a,b,c,M4,11,0x4bdecfa9)
HH(c,d,a,b,M7,16,0xf6bb4b60)
HH(b,c,d,a,M10,23,0xbebfbc70)
HH(a,b,c,d,M13,4,0x289b7ec6)
HH(d,a,b,c,M0,11,0xeaa127fa)
HH(c,d,a,b,M3,16,0xd4ef3085)
HH(b,c,d,a,M6,23,0x04881d05)
HH(a,b,c,d,M9,4,0xd9d4d039)
HH(d,a,b,c,M12,11,0xe6db99e5)
HH(c,d,a,b,M15,16,0x1fa27cf8)
HH(b,c,d,a,M2,23,0xc4ac5665)
II(a,b,c,d,M0,6,0xf4292244)
II(d,a,b,c,M7,10,0x432aff97)
II(c,d,a,b,M14,15,0xab9423a7)
II(b,c,d,a,M5,21,0xfc93a039)
II(a,b,c,d,M12,6,0x655b59c3)
II(d,a,b,c,M3,10,0x8f0ccc92)
II(c,d,a,b,M10,15,0xffeff47d)
II(b,c,d,a,M1,21,0x85845dd1)
II(a,b,c,d,M8,6,0x6fa87e4f)
II(d,a,b,c,M15,10,0xfe2ce6e0)
II(c,d,a,b,M6,15,0xa3014314)
II(b,c,d,a,M13,21,0x4e0811a1)
II(a,b,c,d,M4,6,0xf7537e82)
II(d,a,b,c,M11,10,0xbd3af235)
II(c,d,a,b,M2,15,0x2ad7d2bb)
II(b,c,d,a,M9,21,0xeb86d391)
?ti
?iti?4294967296*abs(sin(i))?i(4294967296?2?32?)
A?B?C?Da?b?c?dA?B?C?D?MD5?
MD5 ("") = d41d8cd98f00b204e9800998ecf8427e
MD5 ("a") = 0cc175b9c0f1b6a831c399e269772661
MD5 ("abc") = 900150983cd24fb0d6963f7d28e17f72
MD5 ("message digest") = f96b697d7cb7938d525a2f31aaf161d0
MD5 ("abcdefghijklmnopqrstuvwxyz") = c3fcd3d76192e4007dfb496cca67e13b
MD5 ("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789") =
d174ab98d277d9f5a5611c2c9f419d9f
MD5 ("123456789012345678901234567890123456789012345678901234567890123456789
01234567890") = 57edf4a22be3c955ac49da2e2107b67a
MD5
MD5
MD5?MD4?
1.
2. ?
3. ?G?(X&Y)|(X&Z)|(Y&Z)?(X&Z)|(Y&(~Z))?
4. ?
5. ?
6.
!