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authorMatt Johnston <matt@ucc.asn.au>2007-01-11 03:05:30 +0000
committerMatt Johnston <matt@ucc.asn.au>2007-01-11 03:05:30 +0000
commit4ebcb4da9b179c9bc735698414524ccda5932568 (patch)
tree9ad32b57ddb21adc7906da94974efd721dc139f5 /libtomcrypt/testprof/dsa_test.c
parenta8df079d41495a4b4f6288c2fbeea45e1963e3d5 (diff)
parent1fccffd891ce88522bb018de87faad1487a8b832 (diff)
downloaddropbear-4ebcb4da9b179c9bc735698414524ccda5932568.tar.gz
propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head ffd1015238ffcc959f6cd95176d96fcd0945a397)
to branch 'au.asn.ucc.matt.dropbear' (head 52ccb0ad0587a62bc64aecb939adbb76546aac16)
Diffstat (limited to 'libtomcrypt/testprof/dsa_test.c')
-rw-r--r--libtomcrypt/testprof/dsa_test.c82
1 files changed, 82 insertions, 0 deletions
diff --git a/libtomcrypt/testprof/dsa_test.c b/libtomcrypt/testprof/dsa_test.c
new file mode 100644
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--- /dev/null
+++ b/libtomcrypt/testprof/dsa_test.c
@@ -0,0 +1,82 @@
+#include <tomcrypt_test.h>
+
+#ifdef MDSA
+
+int dsa_test(void)
+{
+ unsigned char msg[16], out[1024], out2[1024];
+ unsigned long x, y;
+ int stat1, stat2;
+ dsa_key key, key2;
+
+ /* make a random key */
+ DO(dsa_make_key(&yarrow_prng, find_prng("yarrow"), 20, 128, &key));
+
+ /* verify it */
+ DO(dsa_verify_key(&key, &stat1));
+ if (stat1 == 0) { fprintf(stderr, "dsa_verify_key "); return 1; }
+
+ /* encrypt a message */
+ for (x = 0; x < 16; x++) { msg[x] = x; }
+ x = sizeof(out);
+ DO(dsa_encrypt_key(msg, 16, out, &x, &yarrow_prng, find_prng("yarrow"), find_hash("sha1"), &key));
+
+ /* decrypt */
+ y = sizeof(out2);
+ DO(dsa_decrypt_key(out, x, out2, &y, &key));
+
+ if (y != 16 || memcmp(out2, msg, 16)) {
+ fprintf(stderr, "dsa_decrypt failed, y == %lu\n", y);
+ return 1;
+ }
+
+ /* sign the message */
+ x = sizeof(out);
+ DO(dsa_sign_hash(msg, sizeof(msg), out, &x, &yarrow_prng, find_prng("yarrow"), &key));
+
+ /* verify it once */
+ DO(dsa_verify_hash(out, x, msg, sizeof(msg), &stat1, &key));
+
+ /* Modify and verify again */
+ msg[0] ^= 1;
+ DO(dsa_verify_hash(out, x, msg, sizeof(msg), &stat2, &key));
+ msg[0] ^= 1;
+ if (!(stat1 == 1 && stat2 == 0)) { fprintf(stderr, "dsa_verify %d %d", stat1, stat2); return 1; }
+
+ /* test exporting it */
+ x = sizeof(out2);
+ DO(dsa_export(out2, &x, PK_PRIVATE, &key));
+ DO(dsa_import(out2, x, &key2));
+
+ /* verify a signature with it */
+ DO(dsa_verify_hash(out, x, msg, sizeof(msg), &stat1, &key2));
+ if (stat1 == 0) { fprintf(stderr, "dsa_verify (import private) %d ", stat1); return 1; }
+ dsa_free(&key2);
+
+ /* export as public now */
+ x = sizeof(out2);
+ DO(dsa_export(out2, &x, PK_PUBLIC, &key));
+
+ DO(dsa_import(out2, x, &key2));
+ /* verify a signature with it */
+ DO(dsa_verify_hash(out, x, msg, sizeof(msg), &stat1, &key2));
+ if (stat1 == 0) { fprintf(stderr, "dsa_verify (import public) %d ", stat1); return 1; }
+ dsa_free(&key2);
+ dsa_free(&key);
+
+ return 0;
+}
+
+#else
+
+int dsa_test(void)
+{
+ fprintf(stderr, "NOP");
+ return 0;
+}
+
+#endif
+
+/* $Source: /cvs/libtom/libtomcrypt/testprof/dsa_test.c,v $ */
+/* $Revision: 1.9 $ */
+/* $Date: 2005/10/30 18:49:14 $ */