X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=crypt.h;h=9623a0035a3b1a89818bd99c3c09c1dac041519b;hp=3e5a8d313b5ffd10273c27717c135e150f1c6d04;hb=43614711df496ca48e368e6e74c9d2abb264ce5d;hpb=a4c2c4f9c7cd580252917729a65d482de3c14a97

diff --git a/crypt.h b/crypt.h
index 3e5a8d31..9623a003 100644
--- a/crypt.h
+++ b/crypt.h
@@ -77,17 +77,20 @@ void apc_free_pubkey(struct asymmetric_key *key);
 void get_random_bytes_or_die(unsigned char *buf, int num);
 
 /**
- * Seed pseudo random number generators.
+ * Initialize the crypto backend.
  *
- * This function seeds the PRNG used by random() with a random seed obtained
- * from the crypto implementation. On errors, an error message is logged and
- * the function calls exit().
+ * This function initializes the crypto library and seeds the pseudo random
+ * number generator used by random() with a random seed obtained from the
+ * crypto implementation. On errors, an error message is logged and the
+ * function calls exit().
  *
  * \sa \ref get_random_bytes_or_die(), srandom(3), random(3), \ref
  * para_random().
  */
-void init_random_seed_or_die(void);
+void crypt_init(void);
 
+/** Allocate all resources of the crypto backend. */
+void crypt_shutdown(void);
 
 /** Opaque structure for stream ciphers. */
 struct stream_cipher;
@@ -155,7 +158,7 @@ _static_inline_ void sc_trafo(struct iovec *src, struct iovec *dst,
 /**
  * Deallocate a stream cipher structure.
  *
- * \param sc A stream cipher previously obtained by sc_new().
+ * \param sc A stream cipher previously obtained by \ref sc_new().
  */
 void sc_free(struct stream_cipher *sc);
 
@@ -185,7 +188,7 @@ void hash_function(const char *data, unsigned long len, unsigned char *hash);
  * will be filled by the function with the ascii representation of the hash
  * value given by \a hash, and a terminating \p NULL byte.
  */
-void hash_to_asc(unsigned char *hash, char *asc);
+void hash_to_asc(const unsigned char *hash, char *asc);
 
 /**
  * Compare two hashes.
@@ -196,4 +199,4 @@ void hash_to_asc(unsigned char *hash, char *asc);
  * \return 1, -1, or zero, depending on whether \a h1 is greater than,
  * less than or equal to h2, respectively.
  */
-int hash_compare(unsigned char *h1, unsigned char *h2);
+int hash_compare(const unsigned char *h1, const unsigned char *h2);