Merge branch 'sha256_core' of git.cryptech.is:test/novena_base into sha256_core

1 files changed, 106 insertions, 75 deletions

diff --git a/sw/test-sha256/test-sha256.c b/sw/test-sha256/test-sha256.c
index 9f7b331..bc3190c 100644
--- a/sw/test-sha256/test-sha256.c
+++ b/sw/test-sha256/test-sha256.c
@@ -18,112 +18,135 @@
 
 //------------------------------------------------------------------------------
 // Defines
+//
+// Symbolic names for the SHA256 core API.
 //------------------------------------------------------------------------------
 #define SHA256_PREFIX (0x0000)
-#define SHA_BASE (EIM_BASE_ADDR + SHA256_PREFIX)
-
-#define DEMO_ADDER_BASE_ADDR (EIM_BASE_ADDR + 0x0000)
-#define DEMO_ADDER_X_REG     (DEMO_ADDER_BASE_ADDR + 0)
-#define DEMO_ADDER_Y_REG     (DEMO_ADDER_BASE_ADDR + 4)
+#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))
 
 
 //------------------------------------------------------------------------------
-// Testing Parameters
 //------------------------------------------------------------------------------
+uint32_t get_w32(uint32_t addr)
+{
+  unsigned int read_addr;
+  unsigned int read_data;
+  eim_read_32(read_addr, &read_data);
+
+  return read_data;
+}
 
 
 //------------------------------------------------------------------------------
 //------------------------------------------------------------------------------
-void test_regs() 
+void test_single_block()
 {
-  unsigned int read_addr;
-  unsigned int read_data;
-  unsigned int write_addr;
-  unsigned int write_data;
-  unsigned int i;
+  uint32_t write_data;
+
+  write_data = 0x61626380;
+  eim_write_32(ADDR_BLOCK0, &write_data);
+  write_data = 0x00000000;
+  eim_write_32(ADDR_BLOCK1, &write_data);
+  eim_write_32(ADDR_BLOCK2, &write_data);
+  eim_write_32(ADDR_BLOCK3, &write_data);
+  eim_write_32(ADDR_BLOCK4, &write_data);
+  eim_write_32(ADDR_BLOCK5, &write_data);
+  eim_write_32(ADDR_BLOCK6, &write_data);
+  eim_write_32(ADDR_BLOCK7, &write_data);
+  eim_write_32(ADDR_BLOCK8, &write_data);
+  eim_write_32(ADDR_BLOCK9, &write_data);
+  eim_write_32(ADDR_BLOCK10, &write_data);
+  eim_write_32(ADDR_BLOCK11, &write_data);
+  eim_write_32(ADDR_BLOCK12, &write_data);
+  eim_write_32(ADDR_BLOCK13, &write_data);
+  eim_write_32(ADDR_BLOCK14, &write_data);
+  write_data = 0x00000018;
+  eim_write_32(ADDR_BLOCK15, &write_data);
 
-//
-//  for (i = 0 ; i < 0x40000 ; i += 4) {
-//    read_addr = EIM_BASE_ADDR + i;
-//    eim_read_32(read_addr, &read_data);
-//    printf("address 0x%08x = 0x%08x\n", read_addr, read_data);
-//  }
-
-  read_addr = DEMO_ADDER_X_REG;
-  eim_read_32(read_addr, &read_data);
-  printf("address 0x%08x = 0x%08x\n", read_addr, read_data);
+  write_data = 0x00000001;
+  eim_write_32(ADDR_CTRL, &write_data);
 
-  read_addr = DEMO_ADDER_Y_REG;
-  eim_read_32(read_addr, &read_data);
-  printf("address 0x%08x = 0x%08x\n", read_addr, read_data);
+  printf("digest0 = 0x%08x\n", get_w32(ADDR_DIGEST0));
+  printf("digest1 = 0x%08x\n", get_w32(ADDR_DIGEST1));
+  printf("digest2 = 0x%08x\n", get_w32(ADDR_DIGEST2));
+  printf("digest3 = 0x%08x\n", get_w32(ADDR_DIGEST3));
+  printf("digest4 = 0x%08x\n", get_w32(ADDR_DIGEST4));
+  printf("digest5 = 0x%08x\n", get_w32(ADDR_DIGEST5));
+  printf("digest6 = 0x%08x\n", get_w32(ADDR_DIGEST6));
+  printf("digest7 = 0x%08x\n", get_w32(ADDR_DIGEST7));
 
-  write_addr = DEMO_ADDER_Y_REG;
-  write_data = 0xaa55aa55;
-  eim_write_32(write_addr, &write_data);
+  // What we want to see:
+  // res0 = 256'hBA7816BF8F01CFEA414140DE5DAE2223B00361A396177A9CB410FF61F20015AD;
 
-  read_addr = DEMO_ADDER_Y_REG;
-  eim_read_32(read_addr, &read_data);
-  printf("address 0x%08x = 0x%08x\n", read_addr, read_data);
 }
 
 
 //------------------------------------------------------------------------------
 //------------------------------------------------------------------------------
-void test_sha256()
+void test_dual_block()
 {
-  unsigned int write_addr;
-  unsigned int write_data;
-  unsigned int read_addr;
-  unsigned int read_data;
-  int ok;
-  unsigned int i;
+  // Dual block test vectors as specified by NIST.
+ // tc1_0 = 512'h6162636462636465636465666465666765666768666768696768696A68696A6B696A6B6C6A6B6C6D6B6C6D6E6C6D6E6F6D6E6F706E6F70718000000000000000;
+ // res1_0 = 256'h85E655D6417A17953363376A624CDE5C76E09589CAC5F811CC4B32C1F20E533A;
+ // tc1_1 = 512'h000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001C0;
+ // res1_1 = 256'h248D6A61D20638B8E5C026930C3E6039A33CE45964FF2167F6ECEDD419DB06C1;
 
-  // Dump register contents. See if we have the core.
-  for (i = 0 ; i < 200 ; i += 4) {
-    read_addr = SHA_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 = SHA_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 = SHA_BASE + i;
-    eim_read_32(read_addr, &read_data);
-    printf("address 0x%08x = 0x%08x\n", read_addr, read_data);
-  }
+}
 
-  // Dump register contents. See if we have the core.
-  for (i = 0 ; i < 200 ; i += 4) {
-    read_addr = SHA_BASE + i;
-    eim_read_32(read_addr, &read_data);
-    printf("address 0x%08x = 0x%08x\n", read_addr, read_data);
-  }
 
-  // Dump register contents. See if we have the core.
-  for (i = 0 ; i < 200 ; i += 4) {
-    read_addr = SHA_BASE + i;
-    eim_read_32(read_addr, &read_data);
-    printf("address 0x%08x = 0x%08x\n", read_addr, read_data);
-  }
+//------------------------------------------------------------------------------
+//------------------------------------------------------------------------------
+void test_sha256()
+{
+  uint32_t i;
 
-  // Dump register contents. See if we have the core.
-  for (i = 0 ; i < 200 ; i += 4) {
-    read_addr = SHA_BASE + i;
-    eim_read_32(read_addr, &read_data);
-    printf("address 0x%08x = 0x%08x\n", read_addr, read_data);
-  }
+  test_single_block();
 
 }
 
+
 //------------------------------------------------------------------------------
-// main()
 //------------------------------------------------------------------------------
-int main()
+int config_eim()
 {
   int ok;
   unsigned int i;
@@ -139,6 +162,14 @@ int main()
     printf("EIM Setup ok.\n");
   }
 
+}
+
+//------------------------------------------------------------------------------
+// main()
+//------------------------------------------------------------------------------
+int main()
+{
+  config_eim();
   test_sha256();
 
   return 0;