diff options
| -rw-r--r-- | security/Makefile | 1 | ||||
| -rw-r--r-- | security/pkcrack/Makefile | 50 | ||||
| -rw-r--r-- | security/pkcrack/distinfo | 2 | ||||
| -rw-r--r-- | security/pkcrack/pkg-descr | 24 |
4 files changed, 77 insertions, 0 deletions
diff --git a/security/Makefile b/security/Makefile index 3ca0bd665723..e3c3865f4e2e 100644 --- a/security/Makefile +++ b/security/Makefile @@ -393,6 +393,7 @@ SUBDIR += pinentry-gtk SUBDIR += pinentry-gtk2 SUBDIR += pinentry-qt + SUBDIR += pkcrack SUBDIR += pks SUBDIR += pktsuckers SUBDIR += poc diff --git a/security/pkcrack/Makefile b/security/pkcrack/Makefile new file mode 100644 index 000000000000..dc5142f25c46 --- /dev/null +++ b/security/pkcrack/Makefile @@ -0,0 +1,50 @@ +# New ports collection makefile for: pkcrack +# Date created: 27 Jul 2005 +# Whom: Emanuel Haupt <ehaupt@critical.ch> +# +# $FreeBSD$ +# + +PORTNAME= pkcrack +PORTVERSION= 1.2.2 +CATEGORIES= security +MASTER_SITES= http://www.unix-ag.uni-kl.de/~conrad/krypto/pkcrack/ + +MAINTAINER= ehaupt@critical.ch +COMMENT= A utility for breaking pkzip encryption + +USE_GMAKE= yes +USE_REINPLACE= yes + +WRKSRC= ${WRKDIR}/${DISTNAME}/src +PLIST_FILES= bin/pkextract bin/pkfindkey bin/pkmakekey bin/pkcrack bin/zipdecrypt +PORTDOCS= README pkzip.ps.gz + +post-patch: + @${REINPLACE_CMD} -e 's|^\(#include\ <\)malloc\.h>|\1stdlib.h>|' \ + ${WRKSRC}/exfunc.c \ + ${WRKSRC}/readhead.c + @${REINPLACE_CMD} -e '/<malloc\.h>/d' \ + ${WRKSRC}/extract.c \ + ${WRKSRC}/main.c \ + ${WRKSRC}/zipdecrypt.c + @${REINPLACE_CMD} -E 's/^(CC|CFLAGS)=/\1?=/' \ + ${WRKSRC}/Makefile + +do-install: +.for f in pkcrack zipdecrypt + ${INSTALL_PROGRAM} ${WRKSRC}/${f} ${PREFIX}/bin +.endfor +# these file names are too generic +.for f in extract findkey makekey + ${INSTALL_PROGRAM} ${WRKSRC}/${f} ${PREFIX}/bin/pk${f} +.endfor + +.if !defined(NOPORTDOCS) + ${MKDIR} ${DOCSDIR} +.for f in ${PORTDOCS} + ${INSTALL_DATA} ${WRKDIR}/${DISTNAME}/doc/${f} ${DOCSDIR} +.endfor +.endif + +.include <bsd.port.mk> diff --git a/security/pkcrack/distinfo b/security/pkcrack/distinfo new file mode 100644 index 000000000000..467eebb05907 --- /dev/null +++ b/security/pkcrack/distinfo @@ -0,0 +1,2 @@ +MD5 (pkcrack-1.2.2.tar.gz) = 41e2037ceb95fc0717f7d9ae0abe10db +SIZE (pkcrack-1.2.2.tar.gz) = 174208 diff --git a/security/pkcrack/pkg-descr b/security/pkcrack/pkg-descr new file mode 100644 index 000000000000..99eb6127e594 --- /dev/null +++ b/security/pkcrack/pkg-descr @@ -0,0 +1,24 @@ +This package implements an algorithm for breaking the PkZip cipher that was +devised by Eli Biham and Paul Kocher. + +This program applies a known plaintext attack to an encrypted file. +A known-plaintext-attack recovers a password using the encrypted file and +(part of) the unencrypted file. + +Please note that cryptographers use the word 'plaintext' for any kind of +unencrypted data - not necessarily readable ASCII text. + +Before you ask why somebody may want to know the password when he already knows +the plaintext think of the following situations: + + - Usually there's a large number of files in a ZIP-archive. Usually all these + files are encrypted using the same password. So if you know one of the files, + you can recover the password and decrypt the other files. + - You need to know only a part of the plaintext (at least 13 bytes). Many files + have commonly known headers, like DOS .EXE-files. Knowing a reasonably long + header you can recover the password and decrypt the entire file. + +WWW: http://www.unix-ag.uni-kl.de/~conrad/krypto/pkcrack.html + +- ehaupt +ehaupt@critical.ch |