Merge git://git.denx.de/u-boot-usb

[J-u-boot.git] / include / hash.h

diff --git a/include/hash.h b/include/hash.h
index dc21678045e8df71eb30fbb01d72a28c8c92e17e..e6d0f1db92ef27a1a39c554611b9bb0081429ace 100644 (file)
--- a/include/hash.h
+++ b/include/hash.h
@@ -6,6 +6,17 @@
 #ifndef _HASH_H
 #define _HASH_H
 
+/*
+ * Maximum digest size for all algorithms we support. Having this value
+ * avoids a malloc() or C99 local declaration in common/cmd_hash.c.
+ */
+#define HASH_MAX_DIGEST_SIZE   32
+
+enum {
+       HASH_FLAG_VERIFY        = 1 << 0,       /* Enable verify mode */
+       HASH_FLAG_ENV           = 1 << 1,       /* Allow env vars */
+};
+
 #if defined(CONFIG_SHA1SUM_VERIFY) || defined(CONFIG_CRC32_VERIFY)
 #define CONFIG_HASH_VERIFY
 #endif
@@ -65,17 +76,7 @@ struct hash_algo {
                           int size);
 };
 
-/*
- * Maximum digest size for all algorithms we support. Having this value
- * avoids a malloc() or C99 local declaration in common/cmd_hash.c.
- */
-#define HASH_MAX_DIGEST_SIZE   32
-
-enum {
-       HASH_FLAG_VERIFY        = 1 << 0,       /* Enable verify mode */
-       HASH_FLAG_ENV           = 1 << 1,       /* Allow env vars */
-};
-
+#ifndef USE_HOSTCC
 /**
  * hash_command: Process a hash command for a particular algorithm
  *
@@ -113,6 +114,23 @@ int hash_command(const char *algo_name, int flags, cmd_tbl_t *cmdtp, int flag,
 int hash_block(const char *algo_name, const void *data, unsigned int len,
               uint8_t *output, int *output_size);
 
+/**
+ * hash_show() - Print out a hash algorithm and value
+ *
+ * You will get a message like this (without a newline at the end):
+ *
+ * "sha1 for 9eb3337c ... 9eb3338f ==> 7942ef1df479fd3130f716eb9613d107dab7e257"
+ *
+ * @algo:              Algorithm used for hash
+ * @addr:              Address of data that was hashed
+ * @len:               Length of data that was hashed
+ * @output:            Hash value to display
+ */
+void hash_show(struct hash_algo *algo, ulong addr, ulong len,
+              uint8_t *output);
+
+#endif /* !USE_HOSTCC */
+
 /**
  * hash_lookup_algo() - Look up the hash_algo struct for an algorithm
  *
@@ -125,4 +143,33 @@ int hash_block(const char *algo_name, const void *data, unsigned int len,
  * @return 0 if ok, -EPROTONOSUPPORT for an unknown algorithm.
  */
 int hash_lookup_algo(const char *algo_name, struct hash_algo **algop);
+
+/**
+ * hash_progressive_lookup_algo() - Look up hash_algo for prog. hash support
+ *
+ * The function returns the pointer to the struct or -EPROTONOSUPPORT if the
+ * algorithm is not available with progressive hash support.
+ *
+ * @algo_name: Hash algorithm to look up
+ * @algop: Pointer to the hash_algo struct if found
+ *
+ * @return 0 if ok, -EPROTONOSUPPORT for an unknown algorithm.
+ */
+int hash_progressive_lookup_algo(const char *algo_name,
+                                struct hash_algo **algop);
+
+/**
+ * hash_parse_string() - Parse hash string into a binary array
+ *
+ * The function parses a hash string into a binary array that
+ * can for example easily be used to compare to hash values.
+ *
+ * @algo_name: Hash algorithm to look up
+ * @str: Hash string to get parsed
+ * @result: Binary array of the parsed hash string
+ *
+ * @return 0 if ok, -EPROTONOSUPPORT for an unknown algorithm.
+ */
+int hash_parse_string(const char *algo_name, const char *str, uint8_t *result);
+
 #endif