BB: px5g: generate unique serial numbers

[14.07/openwrt.git] / package / utils / px5g / px5g.c

diff --git a/package/utils/px5g/px5g.c b/package/utils/px5g/px5g.c
index 6b97708..633aa51 100644 (file)
--- a/package/utils/px5g/px5g.c
+++ b/package/utils/px5g/px5g.c
@@ -143,7 +143,7 @@ int selfsigned(char **arg)
        char *keypath = NULL, *certpath = NULL;
        bool pem = true;
        time_t from = time(NULL), to;
-       char fstr[20], tstr[20];
+       char fstr[20], tstr[20], sstr[17];
        int len;
 
        while (*arg && **arg == '-') {
@@ -222,8 +222,12 @@ int selfsigned(char **arg)
        x509write_crt_set_subject_key_identifier(&cert);
        x509write_crt_set_authority_key_identifier(&cert);
 
+       _urandom(NULL, buf, 8);
+       for (len = 0; len < 8; len++)
+               sprintf(sstr + len*2, "%02x", (unsigned char) buf[len]);
+
        mpi_init(&serial);
-       mpi_read_string(&serial, 10, "1");
+       mpi_read_string(&serial, 16, sstr);
        x509write_crt_set_serial(&cert, &serial);
 
        if (pem) {