Mercurial > dropbear
diff libtomcrypt/testprof/ecc_test.c @ 285:1b9e69c058d2
propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3)
to branch 'au.asn.ucc.matt.dropbear' (head fdf4a7a3b97ae5046139915de7e40399cceb2c01)
author | Matt Johnston <matt@ucc.asn.au> |
---|---|
date | Wed, 08 Mar 2006 13:23:58 +0000 |
parents | |
children | 0cbe8f6dbf9e |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libtomcrypt/testprof/ecc_test.c Wed Mar 08 13:23:58 2006 +0000 @@ -0,0 +1,137 @@ +#include <tomcrypt_test.h> + +#ifdef MECC + +static int sizes[] = { +#ifdef ECC192 +24, +#endif +#ifdef ECC224 +28, +#endif +#ifdef ECC256 +32, +#endif +#ifdef ECC384 +48, +#endif +#ifdef ECC512 +65 +#endif +}; + +int ecc_tests (void) +{ + unsigned char buf[4][4096]; + unsigned long x, y, z, s; + int stat, stat2; + ecc_key usera, userb, pubKey, privKey; + + DO(ecc_test ()); + + for (s = 0; s < (int)(sizeof(sizes)/sizeof(sizes[0])); s++) { + /* make up two keys */ + DO(ecc_make_key (&yarrow_prng, find_prng ("yarrow"), sizes[s], &usera)); + DO(ecc_make_key (&yarrow_prng, find_prng ("yarrow"), sizes[s], &userb)); + + /* make the shared secret */ + x = 4096; + DO(ecc_shared_secret (&usera, &userb, buf[0], &x)); + + y = 4096; + DO(ecc_shared_secret (&userb, &usera, buf[1], &y)); + + if (y != x) { + fprintf(stderr, "ecc Shared keys are not same size."); + return 1; + } + + if (memcmp (buf[0], buf[1], x)) { + fprintf(stderr, "ecc Shared keys not same contents."); + return 1; + } + + /* now export userb */ + y = 4096; + DO(ecc_export (buf[1], &y, PK_PUBLIC, &userb)); + ecc_free (&userb); + + /* import and make the shared secret again */ + DO(ecc_import (buf[1], y, &userb)); + + z = 4096; + DO(ecc_shared_secret (&usera, &userb, buf[2], &z)); + + if (z != x) { + fprintf(stderr, "failed. Size don't match?"); + return 1; + } + if (memcmp (buf[0], buf[2], x)) { + fprintf(stderr, "Failed. Contents didn't match."); + return 1; + } + ecc_free (&usera); + ecc_free (&userb); + + /* test encrypt_key */ + DO(ecc_make_key (&yarrow_prng, find_prng ("yarrow"), sizes[s], &usera)); + + /* export key */ + x = sizeof(buf[0]); + DO(ecc_export(buf[0], &x, PK_PUBLIC, &usera)); + DO(ecc_import(buf[0], x, &pubKey)); + x = sizeof(buf[0]); + DO(ecc_export(buf[0], &x, PK_PRIVATE, &usera)); + DO(ecc_import(buf[0], x, &privKey)); + + for (x = 0; x < 32; x++) { + buf[0][x] = x; + } + y = sizeof (buf[1]); + DO(ecc_encrypt_key (buf[0], 32, buf[1], &y, &yarrow_prng, find_prng ("yarrow"), find_hash ("sha256"), &pubKey)); + zeromem (buf[0], sizeof (buf[0])); + x = sizeof (buf[0]); + DO(ecc_decrypt_key (buf[1], y, buf[0], &x, &privKey)); + if (x != 32) { + fprintf(stderr, "Failed (length)"); + return 1; + } + for (x = 0; x < 32; x++) { + if (buf[0][x] != x) { + fprintf(stderr, "Failed (contents)"); + return 1; + } + } + /* test sign_hash */ + for (x = 0; x < 16; x++) { + buf[0][x] = x; + } + x = sizeof (buf[1]); + DO(ecc_sign_hash (buf[0], 16, buf[1], &x, &yarrow_prng, find_prng ("yarrow"), &privKey)); + DO(ecc_verify_hash (buf[1], x, buf[0], 16, &stat, &pubKey)); + buf[0][0] ^= 1; + DO(ecc_verify_hash (buf[1], x, buf[0], 16, &stat2, &privKey)); + if (!(stat == 1 && stat2 == 0)) { + fprintf(stderr, "ecc_verify_hash failed %d, %d, ", stat, stat2); + return 1; + } + ecc_free (&usera); + ecc_free (&pubKey); + ecc_free (&privKey); + } + return 0; +} + +#else + +int ecc_tests(void) +{ + fprintf(stderr, "NOP"); + return 0; +} + +#endif + +/* $Source: /cvs/libtom/libtomcrypt/testprof/ecc_test.c,v $ */ +/* $Revision: 1.9 $ */ +/* $Date: 2005/06/14 19:43:29 $ */