commit 27ac306deb19cd45496cff839c6caccb9e81d37c Author: Nick Mathewson <nickm@torproject.org> Date: Thu Jan 3 12:38:44 2013 -0500 Add a unit test for the curve25519 keypair persistence functions --- src/test/test_crypto.c | 55 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 files changed, 55 insertions(+), 0 deletions(-) diff --git a/src/test/test_crypto.c b/src/test/test_crypto.c index 1cd09e2..9c69f31 100644 --- a/src/test/test_crypto.c +++ b/src/test/test_crypto.c @@ -9,6 +9,7 @@ #include "or.h" #include "test.h" #include "aes.h" +#include "util.h" #ifdef CURVE25519_ENABLED #include "crypto_curve25519.h" #endif @@ -1005,6 +1006,59 @@ test_crypto_curve25519_wrappers(void *arg) done: ; } + +static void +test_crypto_curve25519_persist(void *arg) +{ + curve25519_keypair_t keypair, keypair2; + char *fname = tor_strdup(get_fname("curve25519_keypair")); + char *tag = NULL; + char *content = NULL; + const char *cp; + struct stat st; + + (void)arg; + + tt_int_op(0,==,curve25519_keypair_generate(&keypair, 0)); + + tt_int_op(0,==,curve25519_keypair_write_to_file(&keypair, fname, "testing")); + tt_int_op(0,==,curve25519_keypair_read_from_file(&keypair2, &tag, fname)); + tt_str_op(tag,==,"testing"); + + test_memeq(keypair.pubkey.public_key, + keypair2.pubkey.public_key, + CURVE25519_PUBKEY_LEN); + test_memeq(keypair.seckey.secret_key, + keypair2.seckey.secret_key, + CURVE25519_SECKEY_LEN); + + content = read_file_to_str(fname, RFTS_BIN, &st); + tt_assert(content); + tt_assert(!strcmpstart(content, "== c25519v1: testing ==")); + cp = content + strlen("== c25519v1: testing =="); + tt_int_op(st.st_size, ==, 64 + strlen("== c25519v1: testing ==")); + test_memeq(keypair.seckey.secret_key, + cp, + CURVE25519_SECKEY_LEN); + cp += CURVE25519_SECKEY_LEN; + test_memeq(keypair.pubkey.public_key, + cp, + CURVE25519_SECKEY_LEN); + + tor_free(fname); + fname = tor_strdup(get_fname("bogus_keypair")); + + tt_int_op(-1, ==, curve25519_keypair_read_from_file(&keypair2, &tag, fname)); + + content[64] ^= 0xff; + tt_int_op(0, ==, write_bytes_to_file(fname, content, st.st_size, 1)); + tt_int_op(-1, ==, curve25519_keypair_read_from_file(&keypair2, &tag, fname)); + + done: + tor_free(fname); + tor_free(content); +} + #endif static void * @@ -1043,6 +1097,7 @@ struct testcase_t crypto_tests[] = { #ifdef CURVE25519_ENABLED { "curve25519_impl", test_crypto_curve25519_impl, 0, NULL, NULL }, { "curve25519_wrappers", test_crypto_curve25519_wrappers, 0, NULL, NULL }, + { "curve25519_persist", test_crypto_curve25519_persist, 0, NULL, NULL }, #endif END_OF_TESTCASES };