some importannt files

[arm-crypto-lib.git] / hashfunction_descriptor.h

diff --git a/hashfunction_descriptor.h b/hashfunction_descriptor.h
new file mode 100644 (file)
index 0000000..93c7c91
--- /dev/null
+++ b/hashfunction_descriptor.h
@@ -0,0 +1,57 @@
+/* hashfunction_descriptor.h */
+
+#ifndef HASHFUNCTION_DESCRIPTOR_H_
+#define HASHFUNCTION_DESCRIPTOR_H_
+#include <stdint.h>
+
+#ifndef VOID_FPT
+#define VOID_FPT
+typedef void(*void_fpt)(void);
+#endif
+
+typedef void(*hf_init_fpt)(void*);
+typedef void(*hf_nextBlock_fpt)(void*, const void*);
+typedef void(*hf_lastBlock_fpt)(void*, const void*, uint16_t);
+typedef void(*hf_ctx2hash_fpt)(void*, void*);
+typedef void(*hf_free_fpt)(void*);
+typedef void(*hf_mem_fpt)(void*, const void*, uint32_t);
+
+
+#define HFDESC_TYPE_HASHFUNCTION 0x02
+
+typedef struct {
+       /** typefield, always 2 for hash functions */
+       uint8_t  type; /* 2 == hashfunction */
+       /** flags, currently unused should be set to zero */
+       uint8_t  flags;
+       /** name, flash pointer to the name string */
+       const char*    name;
+       /** ctxsize_B, size of the hash context in bytes */
+       uint16_t ctxsize_B;
+       /** blocksize_b, size of an input block in bits */
+       uint16_t blocksize_b;
+       /** hashsize_b, size of the output hash value in bits */
+       uint16_t hashsize_b;
+       /** init, function pointer to the algorithms init function */
+       hf_init_fpt init;
+       /** nextBlock, function pointer to the algorithms nextBlock function */
+       hf_nextBlock_fpt  nextBlock;
+       /** lastBlock, function pointer to the algorithms lastBlock function */
+       hf_lastBlock_fpt  lastBlock;
+       /** ctx2hash, function pointer to the algorithms ctx2hash function */
+       hf_ctx2hash_fpt   ctx2hash;
+       /** free, function pointer to the algorithms free function or NULL if 
+        *  there is no such function */
+       hf_free_fpt free;
+       /** mem, function pointer to a function which hashes a message in RAM
+        *  completely or NULL if there is no such function */
+       hf_mem_fpt mem;
+} hfdesc_t; /* hashfunction descriptor type */
+
+typedef struct{
+       hfdesc_t* desc_ptr;
+       void*     ctx;
+} hfgen_ctx_t;
+
+#endif /* HASHFUNCTION_DESCRIPTOR_H_ */
+