1 files changed, 80 insertions, 0 deletions
diff --git a/libtomcrypt/headers/tomcrypt_prng.h b/libtomcrypt/headers/tomcrypt_prng.h
new file mode 100644
index 0000000..26bf711
--- /dev/null
+++ b/libtomcrypt/headers/tomcrypt_prng.h
@@ -0,0 +1,80 @@
+/* ---- PRNG Stuff ---- */
+
+typedef union Prng_state {
+    char dummy[1];
+} prng_state;
+
+/** PRNG descriptor */
+extern struct ltc_prng_descriptor {
+    /** Name of the PRNG */
+    char *name;
+    /** size in bytes of exported state */
+    int  export_size;
+    /** Start a PRNG state
+        @param prng   [out] The state to initialize
+        @return CRYPT_OK if successful
+    */
+    int (*start)(prng_state *prng);
+    /** Add entropy to the PRNG
+        @param in         The entropy
+        @param inlen      Length of the entropy (octets)\
+        @param prng       The PRNG state
+        @return CRYPT_OK if successful
+    */
+    int (*add_entropy)(const unsigned char *in, unsigned long inlen, prng_state *prng);
+    /** Ready a PRNG state to read from
+        @param prng       The PRNG state to ready
+        @return CRYPT_OK if successful
+    */
+    int (*ready)(prng_state *prng);
+    /** Read from the PRNG
+        @param out     [out] Where to store the data
+        @param outlen  Length of data desired (octets)
+        @param prng    The PRNG state to read from
+        @return Number of octets read
+    */
+    unsigned long (*read)(unsigned char *out, unsigned long outlen, prng_state *prng);
+    /** Terminate a PRNG state
+        @param prng   The PRNG state to terminate
+        @return CRYPT_OK if successful
+    */
+    int (*done)(prng_state *prng);
+    /** Export a PRNG state  
+        @param out     [out] The destination for the state
+        @param outlen  [in/out] The max size and resulting size of the PRNG state
+        @param prng    The PRNG to export
+        @return CRYPT_OK if successful
+    */
+    int (*pexport)(unsigned char *out, unsigned long *outlen, prng_state *prng);
+    /** Import a PRNG state
+        @param in      The data to import
+        @param inlen   The length of the data to import (octets)
+        @param prng    The PRNG to initialize/import
+        @return CRYPT_OK if successful
+    */
+    int (*pimport)(const unsigned char *in, unsigned long inlen, prng_state *prng);
+    /** Self-test the PRNG
+        @return CRYPT_OK if successful, CRYPT_NOP if self-testing has been disabled
+    */
+    int (*test)(void);
+} prng_descriptor[];
+
+int linux_start(prng_state *prng);
+int linux_add_entropy(const unsigned char *in, unsigned long inlen, prng_state *prng);
+int linux_ready(prng_state *prng);
+unsigned long linux_read(unsigned char *out, unsigned long outlen, prng_state *prng);
+int linux_done(prng_state *prng);
+int  linux_export(unsigned char *out, unsigned long *outlen, prng_state *prng);
+int  linux_import(const unsigned char *in, unsigned long inlen, prng_state *prng);
+int  linux_test(void);
+
+extern const struct ltc_prng_descriptor linux_desc;
+
+int find_prng(const char *name);
+int register_prng(const struct ltc_prng_descriptor *prng);
+int unregister_prng(const struct ltc_prng_descriptor *prng);
+int prng_is_valid(int idx);
+
+/* $Source: /cvs/libtom/libtomcrypt/src/headers/tomcrypt_prng.h,v $ */
+/* $Revision: 1.9 $ */
+/* $Date: 2007/05/12 14:32:35 $ */