c version: make the state accessible

Signed-off-by: Mattias Andrée <maandree@operamail.com>

2 files changed, 19 insertions, 0 deletions

diff --git a/c/sha3.c b/c/sha3.c
index 5ac3144..6c35267 100644
--- a/c/sha3.c
+++ b/c/sha3.c
@@ -842,3 +842,14 @@ extern byte* sha3_squeeze(void)
   return rc;
 }
 
+
+/**
+ * Retrieve the state of the Keccak sponge
+ * 
+ * @return  A 25-element array with the state, changes will be applied to the sponge
+ */
+extern llong* sha3_state(void)
+{
+  return S;
+}
+
diff --git a/c/sha3.h b/c/sha3.h
index 950ef1e..99cd209 100644
--- a/c/sha3.h
+++ b/c/sha3.h
@@ -98,3 +98,11 @@ extern void sha3_fastSqueeze(long times);
  */
 extern byte* sha3_squeeze(void);
 
+
+/**
+ * Retrieve the state of the Keccak sponge
+ * 
+ * @return  A 25-element array with the state, changes will be applied to the sponge
+ */
+extern llong* sha3_state(void);
+