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//======================================================================
//
// test-sha256.c
// -------------
// test program for Cryptech Novena framwwork with EIM interface
// using the sha256 core.
//
//======================================================================
//------------------------------------------------------------------------------
// Headers
//------------------------------------------------------------------------------
#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include "novena-eim.h"
//------------------------------------------------------------------------------
// Defines
//
// Symbolic names for the SHA256 core API.
//------------------------------------------------------------------------------
#define SHA256_PREFIX (0x0000)
#define SHA256_BASE (EIM_BASE_ADDR + SHA256_PREFIX)
#define ADDR_NAME0 (SHA256_BASE + (0x00 << 2))
#define ADDR_NAME1 (SHA256_BASE + (0x01 << 2))
#define ADDR_VERSION (SHA256_BASE + (0x02 << 2))
#define ADDR_CTRL (SHA256_BASE + (0x08 << 2))
#define CTRL_INIT_BIT 0
#define CTRL_NEXT_BIT 1
#define ADDR_STATUS (SHA256_BASE + (0x09 << 2))
#define STATUS_READY_BIT 0
#define STATUS_VALID_BIT 1
#define ADDR_BLOCK0 (SHA256_BASE + (0x10 << 2))
#define ADDR_BLOCK1 (SHA256_BASE + (0x11 << 2))
#define ADDR_BLOCK2 (SHA256_BASE + (0x12 << 2))
#define ADDR_BLOCK3 (SHA256_BASE + (0x13 << 2))
#define ADDR_BLOCK4 (SHA256_BASE + (0x14 << 2))
#define ADDR_BLOCK5 (SHA256_BASE + (0x15 << 2))
#define ADDR_BLOCK6 (SHA256_BASE + (0x16 << 2))
#define ADDR_BLOCK7 (SHA256_BASE + (0x17 << 2))
#define ADDR_BLOCK8 (SHA256_BASE + (0x18 << 2))
#define ADDR_BLOCK9 (SHA256_BASE + (0x19 << 2))
#define ADDR_BLOCK10 (SHA256_BASE + (0x1a << 2))
#define ADDR_BLOCK11 (SHA256_BASE + (0x1b << 2))
#define ADDR_BLOCK12 (SHA256_BASE + (0x1c << 2))
#define ADDR_BLOCK13 (SHA256_BASE + (0x1d << 2))
#define ADDR_BLOCK14 (SHA256_BASE + (0x1e << 2))
#define ADDR_BLOCK15 (SHA256_BASE + (0x1f << 2))
#define ADDR_DIGEST0 (SHA256_BASE + (0x20 << 2))
#define ADDR_DIGEST1 (SHA256_BASE + (0x21 << 2))
#define ADDR_DIGEST2 (SHA256_BASE + (0x22 << 2))
#define ADDR_DIGEST3 (SHA256_BASE + (0x23 << 2))
#define ADDR_DIGEST4 (SHA256_BASE + (0x24 << 2))
#define ADDR_DIGEST5 (SHA256_BASE + (0x25 << 2))
#define ADDR_DIGEST6 (SHA256_BASE + (0x26 << 2))
#define ADDR_DIGEST7 (SHA256_BASE + (0x27 << 2))
//------------------------------------------------------------------------------
//------------------------------------------------------------------------------
void test_single_block()
{
// Single block test vector as specified by NIST.
//tc0 = 512'h61626380000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000018;
//res0 = 256'hBA7816BF8F01CFEA414140DE5DAE2223B00361A396177A9CB410FF61F20015AD;
}
//------------------------------------------------------------------------------
//------------------------------------------------------------------------------
void test_dual_block()
{
// Dual block test vectors as specified by NIST.
// tc1_0 = 512'h6162636462636465636465666465666765666768666768696768696A68696A6B696A6B6C6A6B6C6D6B6C6D6E6C6D6E6F6D6E6F706E6F70718000000000000000;
// res1_0 = 256'h85E655D6417A17953363376A624CDE5C76E09589CAC5F811CC4B32C1F20E533A;
// tc1_1 = 512'h000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001C0;
// res1_1 = 256'h248D6A61D20638B8E5C026930C3E6039A33CE45964FF2167F6ECEDD419DB06C1;
}
//------------------------------------------------------------------------------
//------------------------------------------------------------------------------
void test_sha256()
{
unsigned int write_addr;
unsigned int write_data;
unsigned int read_addr;
unsigned int read_data;
int ok;
unsigned int i;
// Dump register contents. See if we have the core.
for (i = 0 ; i < 200 ; i += 4) {
read_addr = SHA256_BASE + i;
eim_read_32(read_addr, &read_data);
printf("address 0x%08x = 0x%08x\n", read_addr, read_data);
}
// Try to iniate block processing and then dump
write_addr = SHA256_BASE + 0x20;
write_data = 0x00000001;
eim_write_32(write_addr, &write_data);
// Dump register contents. See if we have the core.
for (i = 0 ; i < 200 ; i += 4) {
read_addr = SHA256_BASE + i;
eim_read_32(read_addr, &read_data);
printf("address 0x%08x = 0x%08x\n", read_addr, read_data);
}
}
//------------------------------------------------------------------------------
// main()
//------------------------------------------------------------------------------
int main()
{
int ok;
unsigned int i;
// try to setup eim (return value should be 1)
printf("Configuring EIM .. ");
ok = eim_setup();
if (ok < 1) {
printf("ERROR\n");
return EXIT_FAILURE;
}
else {
printf("EIM Setup ok.\n");
}
test_sha256();
return 0;
}
//======================================================================
// EOF test-sha256.c
//======================================================================
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