- for (i=1; i<=ex[0]; i++) {
- sprintf(str+len, "%04x", ex[i]);
- len += strlen(str+len);
- }
- str[len++] = '/';
- for (i=1; i<=md[0]; i++) {
- sprintf(str+len, "%04x", md[i]);
- len += strlen(str+len);
- }
+ len += sprintf(str+len, "0x");
+
+ nibbles = (3 + ssh1_bignum_bitcount(ex))/4; if (nibbles<1) nibbles=1;
+ for (i=nibbles; i-- ;)
+ str[len++] = hex[(bignum_byte(ex, i/2) >> (4*(i%2))) & 0xF];
+
+ len += sprintf(str+len, ",0x");
+
+ nibbles = (3 + ssh1_bignum_bitcount(md))/4; if (nibbles<1) nibbles=1;
+ for (i=nibbles; i-- ;)
+ str[len++] = hex[(bignum_byte(md, i/2) >> (4*(i%2))) & 0xF];
+