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diff -up openssl-1.0.0c/apps/genrsa.c.x931 openssl-1.0.0c/apps/genrsa.c
--- openssl-1.0.0c/apps/genrsa.c.x931 2010-03-01 15:22:02.000000000 +0100
+++ openssl-1.0.0c/apps/genrsa.c 2011-02-01 18:32:05.000000000 +0100
@@ -95,6 +95,7 @@ int MAIN(int argc, char **argv)
int ret=1;
int i,num=DEFBITS;
long l;
+ int use_x931 = 0;
const EVP_CIPHER *enc=NULL;
unsigned long f4=RSA_F4;
char *outfile=NULL;
@@ -138,6 +139,8 @@ int MAIN(int argc, char **argv)
f4=3;
else if (strcmp(*argv,"-F4") == 0 || strcmp(*argv,"-f4") == 0)
f4=RSA_F4;
+ else if (strcmp(*argv,"-x931") == 0)
+ use_x931 = 1;
#ifndef OPENSSL_NO_ENGINE
else if (strcmp(*argv,"-engine") == 0)
{
@@ -273,7 +276,14 @@ bad:
if (!rsa)
goto err;
- if(!BN_set_word(bn, f4) || !RSA_generate_key_ex(rsa, num, bn, &cb))
+ if (use_x931)
+ {
+ if (!BN_set_word(bn, f4))
+ goto err;
+ if (!RSA_X931_generate_key_ex(rsa, num, bn, &cb))
+ goto err;
+ }
+ else if(!BN_set_word(bn, f4) || !RSA_generate_key_ex(rsa, num, bn, &cb))
goto err;
app_RAND_write_file(NULL, bio_err);