Date: Tue, 21 Aug 2012 09:05:24 +0000 (UTC) From: Xin LI <delphij@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-releng@freebsd.org Subject: svn commit: r239482 - releng/9.1/contrib/opie/libopie Message-ID: <201208210905.q7L95O95001398@svn.freebsd.org>
next in thread | raw e-mail | index | archive | help
Author: delphij Date: Tue Aug 21 09:05:23 2012 New Revision: 239482 URL: http://svn.freebsd.org/changeset/base/239482 Log: MFC r239169: RFC 2289 requires all hashes be stored in little endian format before folding to 64 bits, while SHA1 code is big endian. Therefore, a bswap32 is required before using the value. Without this change, the implementation does not conform to test vector found in RFC 2289. PR: bin/170519 Submitted by: Arthur Mesh <arthurmesh gmail com> (with changes) Approved by: re (kib) Modified: releng/9.1/contrib/opie/libopie/hash.c releng/9.1/contrib/opie/libopie/hashlen.c Directory Properties: releng/9.1/contrib/opie/ (props changed) Modified: releng/9.1/contrib/opie/libopie/hash.c ============================================================================== --- releng/9.1/contrib/opie/libopie/hash.c Tue Aug 21 08:31:30 2012 (r239481) +++ releng/9.1/contrib/opie/libopie/hash.c Tue Aug 21 09:05:23 2012 (r239482) @@ -17,6 +17,8 @@ you didn't get a copy, you may request o $FreeBSD$ */ +#include <sys/endian.h> + #include "opie_cfg.h" #include "opie.h" @@ -39,6 +41,13 @@ unsigned algorithm) SHA1_Final((unsigned char *)digest, &sha); results[0] = digest[0] ^ digest[2] ^ digest[4]; results[1] = digest[1] ^ digest[3]; + + /* + * RFC2289 mandates that we convert SHA1 digest from big-endian to little + * see Appendix A. + */ + results[0] = bswap32(results[0]); + results[1] = bswap32(results[1]); }; break; case 4: Modified: releng/9.1/contrib/opie/libopie/hashlen.c ============================================================================== --- releng/9.1/contrib/opie/libopie/hashlen.c Tue Aug 21 08:31:30 2012 (r239481) +++ releng/9.1/contrib/opie/libopie/hashlen.c Tue Aug 21 09:05:23 2012 (r239482) @@ -14,6 +14,8 @@ you didn't get a copy, you may request o $FreeBSD$ */ +#include <sys/endian.h> + #include "opie_cfg.h" #include "opie.h" @@ -36,6 +38,13 @@ VOIDPTR in AND struct opie_otpkey *out A SHA1_Final((unsigned char *)digest, &sha); results[0] = digest[0] ^ digest[2] ^ digest[4]; results[1] = digest[1] ^ digest[3]; + + /* + * RFC2289 mandates that we convert SHA1 digest from big-endian to little + * see Appendix A. + */ + results[0] = bswap32(results[0]); + results[1] = bswap32(results[1]); break; } case 4: {
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?201208210905.q7L95O95001398>