X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=include%2Fhw_sha.h;h=ab19a991889ecb37290957b5d142eb2acf461741;hb=c2e398d17bc691a0db4bda95b8e8ece275619592;hp=783350d51366067205cddef01323ca4b664b21e9;hpb=326ea986ac150acdc7656d57fca647db80b50158;p=karo-tx-uboot.git

diff --git a/include/hw_sha.h b/include/hw_sha.h
index 783350d513..ab19a99188 100644
--- a/include/hw_sha.h
+++ b/include/hw_sha.h
@@ -7,7 +7,7 @@
  */
 #ifndef __HW_SHA_H
 #define __HW_SHA_H
-
+#include <hash.h>
 
 /**
  * Computes hash value of input pbuf using h/w acceleration
@@ -34,4 +34,43 @@ void hw_sha256(const uchar * in_addr, uint buflen,
  */
 void hw_sha1(const uchar * in_addr, uint buflen,
 			uchar * out_addr, uint chunk_size);
+
+/*
+ * Create the context for sha progressive hashing using h/w acceleration
+ *
+ * @algo: Pointer to the hash_algo struct
+ * @ctxp: Pointer to the pointer of the context for hashing
+ * @return 0 if ok, -ve on error
+ */
+int hw_sha_init(struct hash_algo *algo, void **ctxp);
+
+/*
+ * Update buffer for sha progressive hashing using h/w acceleration
+ *
+ * The context is freed by this function if an error occurs.
+ *
+ * @algo: Pointer to the hash_algo struct
+ * @ctx: Pointer to the context for hashing
+ * @buf: Pointer to the buffer being hashed
+ * @size: Size of the buffer being hashed
+ * @is_last: 1 if this is the last update; 0 otherwise
+ * @return 0 if ok, -ve on error
+ */
+int hw_sha_update(struct hash_algo *algo, void *ctx, const void *buf,
+		     unsigned int size, int is_last);
+
+/*
+ * Copy sha hash result at destination location
+ *
+ * The context is freed after completion of hash operation or after an error.
+ *
+ * @algo: Pointer to the hash_algo struct
+ * @ctx: Pointer to the context for hashing
+ * @dest_buf: Pointer to the destination buffer where hash is to be copied
+ * @size: Size of the buffer being hashed
+ * @return 0 if ok, -ve on error
+ */
+int hw_sha_finish(struct hash_algo *algo, void *ctx, void *dest_buf,
+		     int size);
+
 #endif