+static int rsa_setkey(RSA** key, unsigned char* ctext, int idx)
+{
+ int clen = 0;
+ *key = RSA_new();
+ switch (idx) {
+ case 0:
+ clen = key1(*key, ctext);
+ break;
+ case 1:
+ clen = key2(*key, ctext);
+ break;
+ case 2:
+ clen = key3(*key, ctext);
+ break;
+ }
+ return clen;
+}