1 files changed, 191 insertions, 0 deletions
diff --git a/common/t-sexputil.c b/common/t-sexputil.c
new file mode 100644
index 0000000..ceb8280
--- /dev/null
+++ b/common/t-sexputil.c
@@ -0,0 +1,191 @@
+/* t-sexputil.c - Module test for sexputil.c
+ *	Copyright (C) 2007 Free Software Foundation, Inc.
+ *
+ * This file is part of GnuPG.
+ *
+ * GnuPG is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * GnuPG 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "util.h"
+
+#define pass()  do { ; } while(0)
+#define fail(a)  do { fprintf (stderr, "%s:%d: test %d failed\n",\
+                               __FILE__,__LINE__, (a));          \
+                     exit (1);                                   \
+                   } while(0)
+
+
+static void
+test_hash_algo_from_sigval (void)
+{
+  int algo;
+  /* A real world example.  */
+  unsigned char example1_rsa_sha1[] =
+    ("\x28\x37\x3A\x73\x69\x67\x2D\x76\x61\x6C\x28\x33\x3A\x72\x73\x61"
+     "\x28\x31\x3A\x73\x31\x32\x38\x3A\x17\xD2\xE9\x5F\xB4\x24\xD4\x1E"
+     "\x8C\xEE\x94\xDA\x41\x42\x1F\x26\x5E\xF4\x6D\xEC\x5B\xBD\x5B\x89"
+     "\x7A\x69\x11\x43\xE9\xD2\x23\x21\x25\x64\xA6\xB0\x56\xEF\xB4\xE9"
+     "\x06\xB2\x44\xF6\x80\x1E\xFF\x41\x23\xEB\xC9\xFA\xFD\x09\xBF\x9C"
+     "\x8E\xCF\x7F\xC3\x7F\x3A\x40\x48\x89\xDC\xBA\xB7\xDB\x9E\xF1\xBA"
+     "\x7C\x08\xEA\x74\x1D\x49\xE7\x65\xEF\x67\x79\xBC\x23\xD9\x49\xCD"
+     "\x05\x99\xD3\xD8\xB7\x7B\xC7\x0E\xF2\xB3\x01\x48\x0F\xC8\xEB\x05"
+     "\x7B\xFB\x61\xCC\x41\x04\x74\x6D\x33\x84\xB1\xE6\x6A\xD8\x0F\xBC"
+     "\x27\xAC\x43\x45\xFA\x04\xD1\x22\x29\x29\x28\x34\x3A\x68\x61\x73"
+     "\x68\x34\x3A\x73\x68\x61\x31\x29\x29");
+  /* The same but without the hash algo. */
+  unsigned char example1_rsa[] =
+    ("\x28\x37\x3A\x73\x69\x67\x2D\x76\x61\x6C\x28\x33\x3A\x72\x73\x61"
+     "\x28\x31\x3A\x73\x31\x32\x38\x3A\x17\xD2\xE9\x5F\xB4\x24\xD4\x1E"
+     "\x8C\xEE\x94\xDA\x41\x42\x1F\x26\x5E\xF4\x6D\xEC\x5B\xBD\x5B\x89"
+     "\x7A\x69\x11\x43\xE9\xD2\x23\x21\x25\x64\xA6\xB0\x56\xEF\xB4\xE9"
+     "\x06\xB2\x44\xF6\x80\x1E\xFF\x41\x23\xEB\xC9\xFA\xFD\x09\xBF\x9C"
+     "\x8E\xCF\x7F\xC3\x7F\x3A\x40\x48\x89\xDC\xBA\xB7\xDB\x9E\xF1\xBA"
+     "\x7C\x08\xEA\x74\x1D\x49\xE7\x65\xEF\x67\x79\xBC\x23\xD9\x49\xCD"
+     "\x05\x99\xD3\xD8\xB7\x7B\xC7\x0E\xF2\xB3\x01\x48\x0F\xC8\xEB\x05"
+     "\x7B\xFB\x61\xCC\x41\x04\x74\x6D\x33\x84\xB1\xE6\x6A\xD8\x0F\xBC"
+     "\x27\xAC\x43\x45\xFA\x04\xD1\x22\x29\x29\x29");
+
+  algo = hash_algo_from_sigval (example1_rsa_sha1);
+  if (algo != GCRY_MD_SHA1)
+    fail (0);
+  algo = hash_algo_from_sigval (example1_rsa);
+  if (algo)
+    fail (0);
+}
+
+
+static void
+test_make_canon_sexp_from_rsa_pk (void)
+{
+  struct {
+    unsigned char *m;
+    size_t mlen;
+    unsigned char *e;
+    size_t elen;
+    unsigned char *result;
+    size_t resultlen;
+    gpg_err_code_t reverr;  /* Expected error from the reverse function.  */
+  } tests[] = {
+    {
+      "\x82\xB4\x12\x48\x08\x48\xC0\x76\xAA\x8E\xF1\xF8\x7F\x5E\x9B\x89"
+      "\xA9\x62\x92\xA2\x16\x1B\xF5\x9F\xE1\x41\xF3\xF0\x42\xB5\x5C\x46"
+      "\xB8\x83\x9F\x39\x97\x73\xFF\xC5\xB2\xF4\x59\x5F\xBA\xC7\x0E\x03"
+      "\x9D\x27\xC0\x86\x37\x31\x46\xE0\xA1\xFE\xA1\x41\xD4\xE3\xE9\xB3"
+      "\x9B\xD5\x84\x65\xA5\x37\x35\x34\x07\x58\xB6\xBA\x21\xCA\x21\x72"
+      "\x4C\xF3\xFC\x91\x47\xD1\x3C\x1D\xA5\x9C\x38\x4D\x58\x39\x92\x16"
+      "\xB1\xE5\x43\xFE\xB5\x46\x4B\x43\xD1\x47\xB0\xE8\x2A\xDB\xF8\x34"
+      "\xB0\x5A\x22\x3D\x14\xBB\xEA\x63\x65\xA7\xF1\xF2\xF8\x97\x74\xA7",
+      128,
+      "\x40\x00\x00\x81",
+      4,
+      "\x28\x31\x30\x3a\x70\x75\x62\x6c\x69\x63\x2d\x6b\x65\x79\x28\x33"
+      "\x3a\x72\x73\x61\x28\x31\x3a\x6e\x31\x32\x39\x3a\x00\x82\xb4\x12"
+      "\x48\x08\x48\xc0\x76\xaa\x8e\xf1\xf8\x7f\x5e\x9b\x89\xa9\x62\x92"
+      "\xa2\x16\x1b\xf5\x9f\xe1\x41\xf3\xf0\x42\xb5\x5c\x46\xb8\x83\x9f"
+      "\x39\x97\x73\xff\xc5\xb2\xf4\x59\x5f\xba\xc7\x0e\x03\x9d\x27\xc0"
+      "\x86\x37\x31\x46\xe0\xa1\xfe\xa1\x41\xd4\xe3\xe9\xb3\x9b\xd5\x84"
+      "\x65\xa5\x37\x35\x34\x07\x58\xb6\xba\x21\xca\x21\x72\x4c\xf3\xfc"
+      "\x91\x47\xd1\x3c\x1d\xa5\x9c\x38\x4d\x58\x39\x92\x16\xb1\xe5\x43"
+      "\xfe\xb5\x46\x4b\x43\xd1\x47\xb0\xe8\x2a\xdb\xf8\x34\xb0\x5a\x22"
+      "\x3d\x14\xbb\xea\x63\x65\xa7\xf1\xf2\xf8\x97\x74\xa7\x29\x28\x31"
+      "\x3a\x65\x34\x3a\x40\x00\x00\x81\x29\x29\x29",
+      171
+    },
+    {
+      "\x63\xB4\x12\x48\x08\x48\xC0\x76\xAA\x8E\xF1\xF8\x7F\x5E\x9B\x89",
+      16,
+      "\x03",
+      1,
+      "\x28\x31\x30\x3a\x70\x75\x62\x6c\x69\x63\x2d\x6b\x65\x79\x28\x33"
+      "\x3a\x72\x73\x61\x28\x31\x3a\x6e\x31\x36\x3a\x63\xb4\x12\x48\x08"
+      "\x48\xc0\x76\xaa\x8e\xf1\xf8\x7f\x5e\x9b\x89\x29\x28\x31\x3a\x65"
+      "\x31\x3a\x03\x29\x29\x29",
+      54,
+    },
+    {
+      "",
+      0,
+      "",
+      0,
+      "\x28\x31\x30\x3a\x70\x75\x62\x6c\x69\x63\x2d\x6b\x65\x79\x28\x33"
+      "\x3a\x72\x73\x61\x28\x31\x3a\x6e\x31\x3a\x00\x29\x28\x31\x3a\x65"
+      "\x31\x3a\x00\x29\x29\x29",
+      38,
+      GPG_ERR_BAD_PUBKEY
+    },
+    {
+      NULL
+    }
+  };
+  int idx;
+  gpg_error_t err;
+  unsigned char *sexp;
+  size_t length;
+  const unsigned char *rsa_n, *rsa_e;
+  size_t rsa_n_len, rsa_e_len;
+
+  for (idx=0; tests[idx].m; idx++)
+    {
+      sexp = make_canon_sexp_from_rsa_pk (tests[idx].m, tests[idx].mlen,
+                                          tests[idx].e, tests[idx].elen,
+                                          &length);
+      if (!sexp)
+        {
+          fprintf (stderr, "%s:%d: out of core\n", __FILE__, __LINE__);
+          exit (1);
+        }
+
+      if (length != tests[idx].resultlen)
+        fail (idx);
+      if (memcmp (sexp, tests[idx].result, tests[idx].resultlen))
+        fail (idx);
+
+      /* Test the reverse function.  */
+      err = get_rsa_pk_from_canon_sexp (sexp, length,
+                                        &rsa_n, &rsa_n_len,
+                                        &rsa_e, &rsa_e_len);
+      if (gpg_err_code (err) != tests[idx].reverr)
+        fail (idx);
+      if (!err)
+        {
+          if (tests[idx].mlen != rsa_n_len)
+            fail (idx);
+          if (memcmp (tests[idx].m, rsa_n, rsa_n_len))
+            fail (idx);
+          if (tests[idx].elen != rsa_e_len)
+            fail (idx);
+          if (memcmp (tests[idx].e, rsa_e, rsa_e_len))
+            fail (idx);
+        }
+
+      xfree (sexp);
+    }
+}
+
+
+int
+main (int argc, char **argv)
+{
+  (void)argc;
+  (void)argv;
+
+  test_hash_algo_from_sigval ();
+  test_make_canon_sexp_from_rsa_pk ();
+
+  return 0;
+}