These functions are generally useful for displaying a hash value and finding available algorithms, so export them.
Signed-off-by: Simon Glass sjg@chromium.org --- common/hash.c | 13 ++++++------- include/hash.h | 22 ++++++++++++++++++++++ 2 files changed, 28 insertions(+), 7 deletions(-)
diff --git a/common/hash.c b/common/hash.c index 722c40b..7b34e83 100644 --- a/common/hash.c +++ b/common/hash.c @@ -204,7 +204,7 @@ static int parse_verify_sum(struct hash_algo *algo, char *verify_str, u8 *vsum, return 0; }
-static struct hash_algo *find_hash_algo(const char *name) +struct hash_algo *hash_find_algo(const char *name) { int i;
@@ -216,8 +216,7 @@ static struct hash_algo *find_hash_algo(const char *name) return NULL; }
-static void show_hash(struct hash_algo *algo, ulong addr, ulong len, - u8 *output) +void hash_show(struct hash_algo *algo, ulong addr, ulong len, u8 *output) { int i;
@@ -231,7 +230,7 @@ int hash_block(const char *algo_name, const void *data, unsigned int len, { struct hash_algo *algo;
- algo = find_hash_algo(algo_name); + algo = hash_find_algo(algo_name); if (!algo) { debug("Unknown hash algorithm '%s'\n", algo_name); return -EPROTONOSUPPORT; @@ -265,7 +264,7 @@ int hash_command(const char *algo_name, int flags, cmd_tbl_t *cmdtp, int flag, u8 vsum[HASH_MAX_DIGEST_SIZE]; void *buf;
- algo = find_hash_algo(algo_name); + algo = hash_find_algo(algo_name); if (!algo) { printf("Unknown hash algorithm '%s'\n", algo_name); return CMD_RET_USAGE; @@ -298,7 +297,7 @@ int hash_command(const char *algo_name, int flags, cmd_tbl_t *cmdtp, int flag, if (memcmp(output, vsum, algo->digest_size) != 0) { int i;
- show_hash(algo, addr, len, output); + hash_show(algo, addr, len, output); printf(" != "); for (i = 0; i < algo->digest_size; i++) printf("%02x", vsum[i]); @@ -306,7 +305,7 @@ int hash_command(const char *algo_name, int flags, cmd_tbl_t *cmdtp, int flag, return 1; } } else { - show_hash(algo, addr, len, output); + hash_show(algo, addr, len, output); printf("\n");
if (argc) { diff --git a/include/hash.h b/include/hash.h index e92d272..c69bc25 100644 --- a/include/hash.h +++ b/include/hash.h @@ -77,4 +77,26 @@ 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_find_algo() - Find an algorithm by name + * + * @name: Name of algorithm to search for + * @return pointer to algorithm structure, or NULL if not found + */ +struct hash_algo *hash_find_algo(const char *name); + +/** + * 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, u8 *output); + #endif