- i=list_elem(args,0);
- if (i) {
- if (i->type!=t_string) {
- cfgfatal(i->loc,"rsa-public","first argument must be a string\n");
- }
- e=i->data.string;
- if (mpz_init_set_str(&st->e,e,10)!=0) {
- cfgfatal(i->loc,"rsa-public","encryption key \"%s\" is not a "
- "decimal number string\n",e);
- }
- } else {
- cfgfatal(loc,"rsa-public","you must provide an encryption key\n");
- }
- if (mpz_sizeinbase(&st->e, 256) > RSA_MAX_MODBYTES) {
- cfgfatal(loc, "rsa-public", "implausibly large public exponent\n");
- }
-
- i=list_elem(args,1);
- if (i) {
- if (i->type!=t_string) {
- cfgfatal(i->loc,"rsa-public","second argument must be a string\n");
- }
- n=i->data.string;
- if (mpz_init_set_str(&st->n,n,10)!=0) {
- cfgfatal(i->loc,"rsa-public","modulus \"%s\" is not a decimal "
- "number string\n",n);
- }
- } else {
- cfgfatal(loc,"rsa-public","you must provide a modulus\n");
- }
- if (mpz_sizeinbase(&st->n, 256) > RSA_MAX_MODBYTES) {
- cfgfatal(loc, "rsa-public", "implausibly large modulus\n");
+#define RSAPUB_APPLY_GETBN(ix,en,what) \
+ char *en; \
+ i=list_elem(args,ix); \
+ if (i) { \
+ if (i->type!=t_string) { \
+ cfgfatal(i->loc,"rsa-public",what " must be a string\n"); \
+ } \
+ en=i->data.string; \
+ if (mpz_init_set_str(&st->en,en,10)!=0) { \
+ cfgfatal(i->loc,"rsa-public", what " \"%s\" is not a " \
+ "decimal number string\n",en); \
+ } \
+ } else { \
+ cfgfatal(loc,"rsa-public","you must provide the " what "\n"); \
+ } \
+ if (mpz_sizeinbase(&st->en, 256) > RSA_MAX_MODBYTES) { \
+ cfgfatal(loc, "rsa-public", "implausibly large " what "\n"); \