+char *random_state_encode(random_state *state);
+random_state *random_state_decode(char *input);
+/* random.c also exports SHA, which occasionally comes in useful. */
+typedef unsigned long uint32;
+typedef struct {
+ uint32 h[5];
+ unsigned char block[64];
+ int blkused;
+ uint32 lenhi, lenlo;
+} SHA_State;
+void SHA_Init(SHA_State *s);
+void SHA_Bytes(SHA_State *s, void *p, int len);
+void SHA_Final(SHA_State *s, unsigned char *output);
+void SHA_Simple(void *p, int len, unsigned char *output);