From d04075478d378d9e15f3e1abfd14b0bd124077d4 Mon Sep 17 00:00:00 2001
From: Kevin
Date: Sat, 15 Nov 2014 11:48:36 +0800
Subject: init commit via android 4.4 uboot

---
 cpu/arm920t/wmt/cypherif.c | 180 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 180 insertions(+)
 create mode 100755 cpu/arm920t/wmt/cypherif.c

(limited to 'cpu/arm920t/wmt/cypherif.c')

diff --git a/cpu/arm920t/wmt/cypherif.c b/cpu/arm920t/wmt/cypherif.c
new file mode 100755
index 0000000..7077c83
--- /dev/null
+++ b/cpu/arm920t/wmt/cypherif.c
@@ -0,0 +1,180 @@
+/*++ 
+Copyright (c) 2010 WonderMedia Technologies, Inc.
+
+This program is free software: you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free Software 
+Foundation, either version 2 of the License, or (at your option) any later 
+version.
+
+This program is distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+PARTICULAR PURPOSE.  See the GNU General Public License for more details. You
+should have received a copy of the GNU General Public License along with this
+program. If not, see http://www.gnu.org/licenses/>.
+
+WonderMedia Technologies, Inc.
+10F, 529, Chung-Cheng Road, Hsin-Tien, Taipei 231, R.O.C.
+--*/
+/*--
+Revision History:
+-------------------------------------------------------------------------------
+
+--*/
+
+#include "common.h"
+#include <malloc.h>
+
+#include <stdarg.h>
+#include "../../../board/wmt/include/wmt_clk.h"
+#include "cypher.h"
+
+
+
+//#define DEBUG_CYPHER
+#ifdef DEBUG_CYPHER
+
+	#define DPRINTK printf
+
+    #define DPRINT_FUNC_IN() DPRINTK("--- Enter %s() ---\n", __FUNCTION__)
+    #define DPRINT_FUNC_OUT() DPRINTK("=== Exit %s() ===\n", __FUNCTION__)
+#else
+    #define DPRINT_FUNC_IN()
+    #define DPRINT_FUNC_OUT()
+#endif
+
+/****************************************************************/
+extern int auto_pll_divisor(enum dev_id dev, enum clk_cmd cmd, int unit, int freq);
+
+
+
+/* NOTICE: the input data length of SHA256 must be multiple of 4Bytes */
+u8 Input_Plainttext[] = "abc";
+
+u8 Output_Plainttext[3] = {0};
+
+
+
+
+u8 Plaintext[DATA_MAX + 1];		// for output of decrypt
+
+u8 Ciphertext[DATA_MAX + 1];		// for output of encrypt
+
+int text_len;
+
+
+ 
+/****************************************************************/
+int Cypher_Action( IN OUT cypher_base_cfg_t *cypher_base );
+void Clear_All_Buf(void);
+void Set_Input_Buf( IN unsigned int src_addr, unsigned int src_size, unsigned int dec_enc );
+void Get_Output_Buf( OUT unsigned int dest_addr, unsigned int dest_size, unsigned int dec_enc );
+void Show_Register(int start, int end);
+void cypher_isr(void);
+
+
+
+
+
+/****************************************************************/
+int cipher_enc_dec( IN OUT cypher_base_cfg_t *cipher_obj )
+{
+	DPRINT_FUNC_IN();
+
+	Clear_All_Buf();
+	Cypher_Action(cipher_obj);
+	Get_Output_Buf(cipher_obj->output_addr, cipher_obj->text_length, cipher_obj->dec_enc);
+
+	DPRINT_FUNC_OUT();
+
+	return 0;
+}
+
+
+
+/****************************************************************/
+void cipher_obj_clear( IN cypher_base_cfg_t *cipher_obj )
+{
+	DPRINT_FUNC_IN();
+
+	cipher_obj->algo_mode = CYPHER_ALGO_SHA256;
+	cipher_obj->op_mode = 0;
+	cipher_obj->dec_enc = CYPHER_DECRYPT;
+	cipher_obj->text_length = 0x0;
+	cipher_obj->key_addr = CYPHER_ZERO;
+	cipher_obj->IV_addr = CYPHER_ZERO;
+
+	cipher_obj->input_addr = CYPHER_ZERO;  // address
+	cipher_obj->output_addr = CYPHER_ZERO;	 // address
+	cipher_obj->INC = 0x0;
+	cipher_obj->sha1_data_length = 0x0;
+	cipher_obj->sha256_data_length = 0x0;
+
+	DPRINT_FUNC_OUT();
+}
+
+
+
+
+/****************************************************************/
+int sha256_action( cypher_base_cfg_t *test_object, u32 input_buf, u32 output_buf)
+{
+	int ret = 0;
+
+	test_object->algo_mode = CYPHER_ALGO_SHA256;
+	test_object->op_mode = 0;
+	
+	// encrypt
+	test_object->input_addr = (u32)input_buf;  // address
+	test_object->output_addr = (u32)Ciphertext;	 		// address	
+
+	test_object->dec_enc = CYPHER_ENCRYPT;
+	cipher_enc_dec(test_object);
+
+	memcpy((void*)output_buf, (void*)Ciphertext, 32);
+
+	return ret;
+}
+
+
+
+/****************************************************************/
+void cypher_initialization(void)
+{
+	auto_pll_divisor(DEV_SAE,CLK_ENABLE,0,0);
+#ifdef CYPHER_INT_ENABLE
+	/* Interrupt setting */
+	set_irq_handlers(IRQ_SAE, cypher_isr);
+	set_int_route(IRQ_SAE, 0);
+	unmask_interrupt(IRQ_SAE);
+#endif
+
+}
+
+void cipher_release(void)
+{
+
+	auto_pll_divisor(DEV_SAE,CLK_DISABLE,0,0);
+
+} /* End of cipher_release() */
+
+
+int cypher_encode(unsigned int buf_in, unsigned int in_len, unsigned int buf_out)
+{
+	cypher_base_cfg_t test_object;
+	int ret = 1;
+
+	cipher_obj_clear(&test_object);
+
+	test_object.sha256_data_length = in_len;
+	test_object.text_length = in_len;
+
+	ret = sha256_action(&test_object, (unsigned int)buf_in, (unsigned int)buf_out);
+	
+	return ret;
+}
+
+
+
+
+
+
-- 
cgit