From 315098f2da4f0d4990b432ad7a932a2918af1dfb Mon Sep 17 00:00:00 2001
From: Egor Tensin <Egor.Tensin@gmail.com>
Date: Sun, 24 May 2015 16:44:40 +0300
Subject: add block formatting/printing functions

---
 src/common.c | 138 +++++++++++++++++++++++++++++++++++++++++++++++++++++------
 1 file changed, 126 insertions(+), 12 deletions(-)

(limited to 'src')

diff --git a/src/common.c b/src/common.c
index f4020db..c15da4e 100644
--- a/src/common.c
+++ b/src/common.c
@@ -12,32 +12,146 @@
 
 #include <stdio.h>
 
-AesBlock make_aes_block(int highest, int high, int low, int lowest)
+AesBlock128 make_aes_block128(int hi3, int hi2, int lo1, int lo0)
 {
-    return _mm_set_epi32(highest, high, low, lowest);
+    return _mm_set_epi32(hi3, hi2, lo1, lo0);
 }
 
-AesState aes_block_to_state(AesBlock block)
+AesBlock192 make_aes_block192(int hi5, int hi4, int lo3, int lo2, int lo1, int lo0)
 {
-    AesState state;
-    _mm_storeu_si128((__m128i*) &state.bytes, block);
-    return state;
+    AesBlock192 result;
+    result.hi = make_aes_block128(  0,   0, hi5, hi4);
+    result.lo = make_aes_block128(lo3, lo2, lo1, lo0);
+    return result;
 }
 
-AesBlock aes_state_to_block(AesState state)
+AesBlock256 make_aes_block256(int hi7, int hi6, int hi5, int hi4, int lo3, int lo2, int lo1, int lo0)
 {
-    return _mm_loadu_si128((__m128i*) &state.bytes);
+    AesBlock256 result;
+    result.hi = make_aes_block128(hi7, hi6, hi5, hi4);
+    result.lo = make_aes_block128(lo3, lo2, lo1, lo0);
+    return result;
 }
 
-void print_aes_block(AesBlock block)
+AesBlockString128 format_aes_block128(AesBlock128* block)
+{
+    int i;
+    char *cursor;
+    AesBlockString128 result;
+
+    for (i = 0, cursor = result.str; i < 16; ++i, cursor += 2)
+        sprintf(cursor, "%02x", *((unsigned char*) block + 15 - i));
+
+    *cursor = '\0';
+    return result;
+}
+
+AesBlockString192 format_aes_block192(AesBlock192* block)
+{
+    int i;
+    char *cursor;
+    AesBlockString192 result;
+
+    for (i = 0, cursor = result.str; i < 24; ++i, cursor += 2)
+        sprintf(cursor, "%02x", *((unsigned char*) block + 15 - i));
+
+    *cursor = '\0';
+    return result;
+}
+
+AesBlockString256 format_aes_block256(AesBlock256* block)
+{
+    int i;
+    char *cursor;
+    AesBlockString256 result;
+
+    for (i = 0, cursor = result.str; i < 32; ++i, cursor += 2)
+        sprintf(cursor, "%02x", *((unsigned char*) block + 15 - i));
+
+    *cursor = '\0';
+    return result;
+}
+
+AesBlockString128 format_aes_block128_fips_style(AesBlock128* block)
+{
+    int i;
+    char *cursor;
+    AesBlockString128 result;
+
+    for (i = 0, cursor = result.str; i < 16; ++i, cursor += 2)
+        sprintf(cursor, "%02x", *((unsigned char*) block + i));
+
+    *cursor = '\0';
+    return result;
+}
+
+AesBlockString192 format_aes_block192_fips_style(AesBlock192* block)
+{
+    int i;
+    char *cursor;
+    AesBlockString192 result;
+
+    for (i = 0, cursor = result.str; i < 24; ++i, cursor += 2)
+        sprintf(cursor, "%02x", *((unsigned char*) block + i));
+
+    *cursor = '\0';
+    return result;
+}
+
+AesBlockString256 format_aes_block256_fips_style(AesBlock256* block)
+{
+    int i;
+    char *cursor;
+    AesBlockString256 result;
+
+    for (i = 0, cursor = result.str; i < 32; ++i, cursor += 2)
+        sprintf(cursor, "%02x", *((unsigned char*) block + i));
+
+    *cursor = '\0';
+    return result;
+}
+
+void print_aes_block128(AesBlock128* block)
+{
+    printf("%s\n", format_aes_block128(block).str);
+}
+
+void print_aes_block192(AesBlock192* block)
+{
+    printf("%s\n", format_aes_block192(block).str);
+}
+
+void print_aes_block256(AesBlock256* block)
+{
+    printf("%s\n", format_aes_block256(block).str);
+}
+
+void print_aes_block128_fips_style(AesBlock128* block)
+{
+    printf("%s\n", format_aes_block128_fips_style(block).str);
+}
+
+void print_aes_block192_fips_style(AesBlock192* block)
+{
+    printf("%s\n", format_aes_block192_fips_style(block).str);
+}
+
+void print_aes_block256_fips_style(AesBlock256* block)
+{
+    printf("%s\n", format_aes_block256_fips_style(block).str);
+}
+
+void print_aes_block128_fips_matrix_style(AesBlock128* block)
 {
     int i, j;
-    AesState state = aes_block_to_state(block);
+    __declspec(align(16)) unsigned char bytes[4][4];
+
+    _mm_store_si128((AesBlock128*) bytes, *block);
 
     for (i = 0; i < 4; ++i)
     {
         for (j = 0; j < 3; ++j)
-            printf("%02x ", state.bytes[j][i]);
-        printf("%02x\n", state.bytes[3][i]);
+            printf("%02x ", bytes[j][i]);
+        printf("%02x\n", bytes[3][i]);
     }
 }
-- 
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