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authorJean-Philippe Garcia Ballester <giga@le-pec.org>2005-11-25 09:31:33 +0000
committerJean-Philippe Garcia Ballester <giga@le-pec.org>2005-11-25 09:31:33 +0000
commitac4fd091775805b6849774f3c4b7e59dc1ab6bde (patch)
tree0e2b654829aa923b68fecbe67e056a71a71e3f07 /libssh/gcrypt_missing.c
parentd923851664f20f7143981dde3562ae9d6ce0b72e (diff)
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Added support for known_hosts format version 1
git-svn-id: svn+ssh://svn.berlios.de/svnroot/repos/libssh/trunk@51 7dcaeef0-15fb-0310-b436-a5af3365683c
Diffstat (limited to 'libssh/gcrypt_missing.c')
-rw-r--r--libssh/gcrypt_missing.c78
1 files changed, 78 insertions, 0 deletions
diff --git a/libssh/gcrypt_missing.c b/libssh/gcrypt_missing.c
new file mode 100644
index 00000000..10f9da82
--- /dev/null
+++ b/libssh/gcrypt_missing.c
@@ -0,0 +1,78 @@
+/* gcrypt_missing.c */
+/* This part of the library handles private and public key files needed for publickey authentication,*/
+/* as well as servers public hashes verifications and certifications. Lot of code here handles openssh */
+/* implementations (key files aren't standardized yet). */
+
+/*
+Copyright 2003,04 Aris Adamantiadis
+
+This file is part of the SSH Library
+
+The SSH Library is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or (at your
+option) any later version.
+
+The SSH Library is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
+License for more details.
+
+You should have received a copy of the GNU Lesser General Public License
+along with the SSH Library; see the file COPYING. If not, write to
+the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+MA 02111-1307, USA. */
+#include <stdlib.h>
+#include "libssh/priv.h"
+
+#ifdef HAVE_LIBGCRYPT
+int my_gcry_dec2bn(bignum *bn, const char *data)
+{
+ int count;
+
+ *bn = bignum_new();
+ gcry_mpi_set_ui(*bn, 0);
+ for (count = 0; data[count]; ++count)
+ {
+ gcry_mpi_mul_ui(*bn, *bn, 10);
+ gcry_mpi_add_ui(*bn, *bn, data[count] - '0');
+ }
+ return count;
+}
+
+char *my_gcry_bn2dec(bignum bn)
+{
+ int count, count2;
+ int size, rsize;
+ char *ret;
+ bignum bndup, num, ten;
+ char decnum;
+
+ size = gcry_mpi_get_nbits(bn) * 3;
+ rsize = size / 10 + size / 1000 + 2;
+ ret = malloc(rsize + 1);
+ if (!gcry_mpi_cmp_ui(bn, 0))
+ strcpy(ret, "0");
+ else
+ {
+ for (bndup = gcry_mpi_copy(bn), ten = bignum_new(), num = bignum_new(),
+ bignum_set_word(ten, 10), count = rsize; count; --count)
+ {
+ gcry_mpi_div(bndup, num, bndup, ten, 0);
+ for (decnum = 0, count2 = gcry_mpi_get_nbits(num); count2; decnum *= 2,
+ decnum += (gcry_mpi_test_bit(num, count2 - 1) ? 1 : 0), --count2)
+ ;
+ ret[count - 1] = decnum + '0';
+ }
+ for (count = 0; count < rsize && ret[count] == '0'; ++count)
+ ;
+ for (count2 = 0; count2 < rsize - count; ++count2)
+ ret[count2] = ret[count2 + count];
+ ret[count2] = 0;
+ bignum_free(num);
+ bignum_free(bndup);
+ bignum_free(ten);
+ }
+ return ret;
+}
+#endif