gcrypt: Use ROUND_DOWN() macro.

[paraslash.git] / crypt.h

diff --git a/crypt.h b/crypt.h
index 5e25748c09551bf1b33e7b142baaafd73df5bd36..3e5a8d313b5ffd10273c27717c135e150f1c6d04 100644 (file)
--- a/crypt.h
+++ b/crypt.h
@@ -1,20 +1,15 @@
-/*
- * Copyright (C) 2005 Andre Noll <maan@tuebingen.mpg.de>
- *
- * Licensed under the GPL v2. For licencing details see COPYING.
- */
+/* Copyright (C) 2005 Andre Noll <maan@tuebingen.mpg.de>, see file COPYING. */
 
 /** \file crypt.h Public crypto interface. */
 
+/*
+ * Asymmetric pubkey cryptosystem (apc).
+ *
+ * This is just RSA, but this fact is a hidden implementation detail.
+ */
 
-/* These are used to distinguish between loading of private/public key. */
-
-/** The key to load is a public key. */
-#define LOAD_PUBLIC_KEY 0
-/** The key to load is a private key. */
-#define LOAD_PRIVATE_KEY 1
 /** The size of the challenge sent to the client. */
-#define CHALLENGE_SIZE 64
+#define APC_CHALLENGE_SIZE 64
 
 /** Opaque structure for public and private keys. */
 struct asymmetric_key;
@@ -29,7 +24,7 @@ struct asymmetric_key;
  *
  * \return The size of the encrypted data on success, negative on errors.
  */
-int pub_encrypt(struct asymmetric_key *pub, unsigned char *inbuf,
+int apc_pub_encrypt(struct asymmetric_key *pub, unsigned char *inbuf,
                unsigned len, unsigned char *outbuf);
 
 /**
@@ -44,7 +39,7 @@ int pub_encrypt(struct asymmetric_key *pub, unsigned char *inbuf,
  *
  * \return The size of the recovered plaintext on success, negative on errors.
  */
-int priv_decrypt(const char *key_file, unsigned char *outbuf,
+int apc_priv_decrypt(const char *key_file, unsigned char *outbuf,
                unsigned char *inbuf, int inlen);
 
 /**
@@ -55,17 +50,17 @@ int priv_decrypt(const char *key_file, unsigned char *outbuf,
  *
  * \return The size of the key on success, negative on errors.
  */
-int get_public_key(const char *key_file, struct asymmetric_key **result);
+int apc_get_pubkey(const char *key_file, struct asymmetric_key **result);
 
 /**
  * Deallocate a public key.
  *
  * \param key Pointer to the key structure to free.
  *
- * This should be called for keys obtained by get_public_key() if the key is no
+ * This should be called for keys obtained by \ref apc_get_pubkey() if the key is no
  * longer needed.
  */
-void free_public_key(struct asymmetric_key *key);
+void apc_free_pubkey(struct asymmetric_key *key);
 
 
 /**