diff options
-rw-r--r-- | doc/spec/proposals/103-multilevel-keys.txt | 1 | ||||
-rw-r--r-- | src/tools/tor-gencert.c | 22 |
2 files changed, 22 insertions, 1 deletions
diff --git a/doc/spec/proposals/103-multilevel-keys.txt b/doc/spec/proposals/103-multilevel-keys.txt index 39814b80d..ce4da1fee 100644 --- a/doc/spec/proposals/103-multilevel-keys.txt +++ b/doc/spec/proposals/103-multilevel-keys.txt @@ -118,6 +118,7 @@ Extensions to Proposal 101. "dir-identity-key": The long-term identity key for this authority. "dir-key-published": The time when this directory's signing key was last changed. + "dir-key-expires": A time after which this key is no longer valid. "dir-signing-key": As in proposal 101. "dir-key-certification": A signature of the above fields, in order. The signed material extends from the beginning of diff --git a/src/tools/tor-gencert.c b/src/tools/tor-gencert.c index 617557dc8..fadefc13d 100644 --- a/src/tools/tor-gencert.c +++ b/src/tools/tor-gencert.c @@ -29,12 +29,14 @@ #define IDENTITY_KEY_BITS 3072 #define SIGNING_KEY_BITS 1024 +#define DEFAULT_LIFETIME 12 char *identity_key_file = NULL; char *signing_key_file = NULL; char *certificate_file = NULL; int verbose = 0; int make_new_id = 0; +int months_lifetime = DEFAULT_LIFETIME; EVP_PKEY *identity_key = NULL; EVP_PKEY *signing_key = NULL; @@ -92,6 +94,16 @@ parse_commandline(int argc, char **argv) return 1; } certificate_file = tor_strdup(argv[++i]); + } else if (!strcmp(argv[i], "-m")) { + if (i+1>=argc) { + fprintf(stderr, "No argument to -m\n"); + return 1; + } + months_lifetime = atoi(argv[++i]); + if (months_lifetime > 24 || months_lifetime < 0) { + fprintf(stderr, "Lifetime (in months) was out of range."); + return 1; + } } else if (!strcmp(argv[i], "-v")) { verbose = 1; } else if (!strcmp(argv[i], "--create-identity-key")) { @@ -275,7 +287,9 @@ generate_certificate(void) { char buf[8192]; time_t now = time(NULL); + struct tm tm; char published[ISO_TIME_LEN+1]; + char expires[ISO_TIME_LEN+1]; char fingerprint[FINGERPRINT_LEN+1]; char *ident = key_to_string(identity_key); char *signing = key_to_string(signing_key); @@ -286,16 +300,22 @@ generate_certificate(void) int r; get_fingerprint(identity_key, fingerprint); + + tor_localtime_r(&now, &tm); + tm.tm_mon += months_lifetime; + format_iso_time(published, now); + format_iso_time(expires, mktime(&tm)); tor_snprintf(buf, sizeof(buf), "dir-key-certificate-version 3\n" "fingerprint %s\n" "dir-key-published %s\n" + "dir-key-expires %s\n" "dir-identity-key\n%s" "dir-signing-key\n%s" "dir-key-certification\n", - fingerprint, published, ident, signing); + fingerprint, published, expires, ident, signing); signed_len = strlen(buf); SHA1((const unsigned char*)buf,signed_len,(unsigned char*)digest); |