diff options
Diffstat (limited to 'dropbearkey.c')
| -rw-r--r-- | dropbearkey.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/dropbearkey.c b/dropbearkey.c index 2433381..aff809f 100644 --- a/dropbearkey.c +++ b/dropbearkey.c @@ -75,6 +75,7 @@ static void printhelp(char * progname) { #endif "-f filename Use filename for the secret key\n" "-s bits Key size in bits, should be a multiple of 8 (optional)\n" + " (DSS has a fixed size of 1024 bits)\n" "-y Just print the publickey and fingerprint for the\n private key in <filename>.\n" #ifdef DEBUG_TRACE "-v verbose\n" @@ -187,8 +188,11 @@ int main(int argc, char ** argv) { fprintf(stderr, "Bits must be an integer\n"); exit(EXIT_FAILURE); } - - if (bits < 512 || bits > 4096 || (bits % 8 != 0)) { + + if (keytype == DROPBEAR_SIGNKEY_DSS && bits != 1024) { + fprintf(stderr, "DSS keys have a fixed size of 1024 bits\n"); + exit(EXIT_FAILURE); + } else if (bits < 512 || bits > 4096 || (bits % 8 != 0)) { fprintf(stderr, "Bits must satisfy 512 <= bits <= 4096, and be a" " multiple of 8\n"); exit(EXIT_FAILURE); |