New package: signify-20140509
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Ypnose
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29ff4483e3
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6e101d7379
133
srcpkgs/signify/patches/passphrase.diff
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133
srcpkgs/signify/patches/passphrase.diff
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From a808b4245fa4b41e50a3a9d503c9eac1b909d31b Mon Sep 17 00:00:00 2001
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From: mancha <mancha1 AT zoho DOT com>
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Date: Thu, 8 May 2014
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Subject: Allow adding, changing, and removing passphrases
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signify.1 | 6 +++++
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signify.c | 60 ++++++++++++++++++++++++++++++++++++++++++++++++++++--
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2 files changed, 64 insertions(+), 2 deletions(-)
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--- signify.c
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+++ signify.c
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@@ -79,6 +79,7 @@
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"\t%1$s -C [-q] -p pubkey -x sigfile [file ...]\n"
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"\t%1$s -G [-n] [-c comment] -p pubkey -s seckey\n"
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"\t%1$s -I [-p pubkey] [-s seckey] [-x sigfile]\n"
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+ "\t%1$s -P [-n] -s seckey\n"
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"\t%1$s -S [-e] [-x sigfile] -s seckey -m message\n"
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#endif
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"\t%1$s -V [-eq] [-x sigfile] -p pubkey -m message\n",
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@@ -636,6 +637,50 @@
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}
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#endif
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+static void
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+passphrase(const char *seckeyfile, int nrounds)
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+{
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+ uint8_t digest[SHA512_DIGEST_LENGTH];
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+ struct enckey enckey;
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+ uint8_t xorkey[sizeof(enckey.seckey)];
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+ char comment[COMMENTMAXLEN];
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+ int i, rounds;
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+ SHA2_CTX ctx;
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+
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+ readb64file(seckeyfile, &enckey, sizeof(enckey), comment);
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+
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+ if (memcmp(enckey.kdfalg, KDFALG, 2) != 0)
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+ errx(1, "unsupported KDF");
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+ rounds = ntohl(enckey.kdfrounds);
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+ if (rounds != 0)
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+ printf("Current passphrase\n");
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+ kdf(enckey.salt, sizeof(enckey.salt), rounds, 1, 0,
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+ xorkey, sizeof(xorkey));
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+ for (i = 0; i < sizeof(enckey.seckey); i++)
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+ enckey.seckey[i] ^= xorkey[i];
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+ explicit_bzero(xorkey, sizeof(xorkey));
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+ SHA512Init(&ctx);
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+ SHA512Update(&ctx, enckey.seckey, sizeof(enckey.seckey));
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+ SHA512Final(digest, &ctx);
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+ if (memcmp(enckey.checksum, digest, sizeof(enckey.checksum)) != 0)
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+ errx(1, "incorrect passphrase");
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+ explicit_bzero(digest, sizeof(digest));
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+
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+ if (nrounds != 0) {
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+ arc4random_buf(enckey.salt, sizeof(enckey.salt));
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+ printf("New passphrase\n");
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+ }
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+ enckey.kdfrounds = htonl(nrounds);
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+ kdf(enckey.salt, sizeof(enckey.salt), nrounds, 1, 1,
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+ xorkey, sizeof(xorkey));
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+ for (i = 0; i < sizeof(enckey.seckey); i++)
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+ enckey.seckey[i] ^= xorkey[i];
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+ explicit_bzero(xorkey, sizeof(xorkey));
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+ writeb64file(seckeyfile, comment, &enckey,
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+ sizeof(enckey), NULL, 0, 0, 0600);
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+ explicit_bzero(&enckey, sizeof(enckey));
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+}
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+
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int
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main(int argc, char **argv)
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{
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@@ -652,13 +697,14 @@
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GENERATE,
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INSPECT,
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SIGN,
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- VERIFY
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+ VERIFY,
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+ PASSPHRASE
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} verb = NONE;
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rounds = 42;
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- while ((ch = getopt(argc, argv, "CGISVc:em:np:qs:x:")) != -1) {
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+ while ((ch = getopt(argc, argv, "CGIPSVc:em:np:qs:x:")) != -1) {
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switch (ch) {
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#ifndef VERIFYONLY
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case 'C':
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@@ -676,6 +722,11 @@
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usage(NULL);
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verb = INSPECT;
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break;
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+ case 'P':
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+ if (verb)
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+ usage(NULL);
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+ verb = PASSPHRASE;
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+ break;
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case 'S':
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if (verb)
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usage(NULL);
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@@ -755,6 +806,11 @@
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usage("must specify message and seckey");
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sign(seckeyfile, msgfile, sigfile, embedded);
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break;
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+ case PASSPHRASE:
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+ if (!seckeyfile)
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+ usage("must specify seckey");
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+ passphrase(seckeyfile, rounds);
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+ break;
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#endif
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case VERIFY:
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if (!msgfile)
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--- signify.1
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+++ signify.1
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@@ -39,6 +39,10 @@
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.Op Fl s Ar seckey
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.Op Fl x Ar sigfile
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.Nm signify
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+.Fl P
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+.Op Fl n
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+.Fl s Ar seckey
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+.Nm signify
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.Fl S
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.Op Fl e
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.Op Fl x Ar sigfile
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@@ -69,6 +73,8 @@
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Generate a new key pair.
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.It Fl I
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Inspect the specified keys or signature and print their fingerprint.
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+.It Fl P
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+Add, change, or remove secret key passphrases.
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.It Fl S
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Sign the specified message file and create a signature.
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.It Fl V
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23
srcpkgs/signify/template
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23
srcpkgs/signify/template
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@ -0,0 +1,23 @@
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# Template file for 'signify'
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pkgname=signify
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_pkgname=signify-portable
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version=20140509
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revision=1
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build_style=gnu-makefile
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short_desc="OpenBSD cryptographic signing and verification tool"
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maintainer="Ypnose <linuxienATlegtuxDOTorg>"
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license="ISC"
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homepage="http://www.tedunangst.com/flak/post/signify"
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distfiles="${SOURCEFORGE_SITE}/slackdepot/${pkgname}/${_pkgname}-${version}.tar.bz2"
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checksum=0652683cea062385315b5766d75d7b94c14a4b154cf335f8812599e6a83094fe
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wrksrc="${_pkgname}-${version}"
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pre_build() {
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sed -i 's|^mandir=${prefix}/man|mandir=${prefix}/share/man|g' Makefile
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sed -i 's|^CC=gcc|CC=$CC|g' Makefile
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}
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post_install() {
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vdoc README
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vdoc BACKGROUND
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}
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