̾??

MD5Init, MD5Update, MD5Pad, MD5Final, MD5End, MD5File, MD5Data — RSA Data Security ?Ҥ? ``MD5'' ???å????????????????Ȥ??׻?????

????

#include <sys/types.h> #include <md5.h> void MD5Init(MD5_CTX *context) void MD5Update(MD5_CTX *context, const unsigned char *data, unsigned int len) void MD5Pad(MD5_CTX *context) void MD5Final(unsigned char digest[16], MD5_CTX *context) char * MD5End(MD5_CTX *context, char *buf) char * MD5File(const char *filename, char *buf) char * MD5Data(const unsigned char *data, unsigned int len, char *buf)

????

MD5 ?ؿ????ϡ?Ǥ?դο??????ϥХ??ȤˤĤ??? 128 ?ӥåȰŹ??????å????? ( ???????????? ) ???׻????ޤ??? ?Ź??????å??????ϰ??????ϥå????ؿ??ʤΤ? ???????Ϥ??б????????Ϥ? ( Ű??Ū?ʸ???????????) ???Ĥ??뤳?ȤϤǤ??ޤ????? ????Ū?ˤ????ϥǡ????Ρֻ????פ??????Ĥ??餺?? ?ºݤ????Ϥ????餫?ˤʤ뤳?ȤϤ????ޤ?????

MD2 ?ϺǤ??٤??? MD4 ?ϺǤ???®?ǡ? MD5 ?Ϥ??????֤Ǥ??? MD2 ?ϡ??ץ饤?Х??????פʥ᡼???Τߤǻ??ѤǤ??ޤ??? MD4 ?ϼ夹?????ȹ?ɾ???줿???ᡢ ?ְ????٥??Ȥ??դ??? MD4?פȤ??? MD5 ????ȯ?????ޤ????? ???路???Ȥ??? MD5 ?????Ѥ??Ƥ?????????

MD5Init(), MD5Update(), MD5Final() ?ؿ????濴Ū?ʴؿ????Ǥ??? MD5_CTX ?????????ơ? MD5Init() ?ǽ????????? MD5Update() ?ǥǡ??????????????Ǹ??? MD5Final() ?Ƿ??̤??????Ф??Ƥ?????????

MD5Pad() ?ϡ??׻?????λ???ʤ??? MD5Final() ??Ʊ????ˡ?ǥ??å??????ǡ??????Ĥ??뤳?Ȥ??Ǥ??ޤ???

MD5End() ?? MD5Final() ?Υ??åѤǡ? 16 ?? 128 ?ӥåȤ?ɽ?????? 33 ʸ?? ( ?Ǹ??Ρ? \0 ?פ??ޤ? ) ?? ASCII ʸ???????????ͤ??Ѵ????ޤ???

MD5File() ?ϥե??????Υ??????????Ȥ??׻????? MD5End() ?????Ѥ??Ʒ??̤??֤??ޤ??? ?ե??????򳫤??ʤ??????ϥ̥??ݥ??󥿤??֤??ޤ??? MD5Data() ?ϥ???????¸?ߤ????ǡ????Υ??????????Ȥ??׻????? MD5End() ?????Ѥ??Ʒ??̤??֤??ޤ???

MD5End(), MD5File(), MD5Data() ?λ??Ѥˤ????äƤ? buf ?? NULL ?ݥ??󥿤Ȥ??뤳?Ȥ??Ǥ??ޤ??? ???ξ????? malloc(3) ?dz??????Ƥ??줿ʸ???????֤??????Τǡ????Ѹ??? free(3) ?dz??????Ƥ????????ʤ????Фʤ??ޤ????? buf ?? NULL ?Ǥʤ????ϡ????ʤ??Ȥ? 33 ʸ??ʬ?ΥХåե??? ?ؤ??Ƥ??ʤ????Фʤ??ޤ?????

??Ϣ????

md2(3), md4(3), md5(3) B. Kaliski, The MD2 Message-Digest Algorithm, RFC 1319. R. Rivest, The MD4 Message-Digest Algorithm, RFC 1186. R. Rivest, The MD5 Message-Digest Algorithm, RFC 1321. RSA Laboratories, Frequently Asked Questions About today's Cryptography.

????

???ꥸ?ʥ??? MD5 ?롼?????ϡ? RSA Data Security ?Ҥˤ??äƳ?ȯ???졢 ?嵭?Υ??ե????󥹤Ǹ????????ޤ????? ???Υ????ɤϡ? Poul-Henning Kamp ⟨phk@login.dkuug.dk⟩ ?ˤ??ꡢ???μ???????ľ?ܰ????Ф????Ƥ??ޤ???

Phk ristede runen.

????

???δؿ??ϡ? FreeBSD 2.0 ?Ǹ????ޤ?????

?Х?

Ʊ???ϥå????ͤ????Ĥ褦?? 2 ?ĤΥե??????򸫤Ĥ?????ˡ?? ?ޤ????????Υϥå????ͤ????Ĥ褦?ʥե??????򸫤Ĥ?????ˡ?? ?Τ????Ƥ??ޤ????? ?????????Τ褦????ˡ??¸?ߤ??ʤ??Ȥ????ݾڤ⤢???ޤ?????

MD2 ?ϡ??ץ饤?Х??????פʥ᡼???˻??Ѥ????????Τߥ饤???󥹶?Ϳ?????ޤ??? ????¾?ξ????? MD4 ?? MD5 ?????Ѥ??Ƥ?????????

COPYRIGHT

Copyright (C) 1991-2, RSA Data Security, Inc. Created 1991. All rights reserved.

???Υ??եȥ???????ʣ???????ѤΤ????Υ饤???󥹤ϡ? ???Υ??եȥ??????䤳?δؿ??ˤĤ??Ƹ??ڤ????껲?Ȥ????ꤹ?? ???٤Ƥλ????? ?? RSA Data Security ?Ҥ? MD2 ???å????????????????ȥ??르?ꥺ???? ?Ǥ??뤳?Ȥ??????????Ƥ????С? ?ץ饤?Х??????פȤʤ??????????󥿡??ͥåȥ᡼???˶?Ϳ?????ޤ???

RSA Data Security ?Ҥϡ????Υ??եȥ??????ξ????????ޤ??Ϥ??? ????????Ū???Ф??뤳?Υ??եȥ???????Ŭ?????ˤĤ???ɽ?????ޤ????? ???Υ??եȥ??????ϡ??????ʤ??????Ρ?????Ū?ޤ??ϰ???Ū???ݾڤ??ʤ??? ?ָ????Τޤޡפ??󶡤????ޤ???

???ηٹ??ϡ?????ʸ?񤫥??եȥ????????ޤ??Ϥ???ξ???Τ??٤ƤΥ??ԡ??? ?Ǻܤ??ʤ????Фʤ??ޤ?????