From 3cd15d775374ff6b83c75e6c675cc62e8abfb1f5 Mon Sep 17 00:00:00 2001
From: Ken Raeburn <raeburn@mit.edu>
Date: Tue, 12 Aug 2008 21:28:30 +0000
Subject: [PATCH] If CONFIG_SMALL_NO_CRYPTO is defined, turn off CONFIG_SMALL
 changes for crypto code only

git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@20648 dc483132-0cff-0310-8789-dd5450dbe970
---
 src/lib/crypto/aes/aesopt.h   | 14 +++++++-------
 src/lib/crypto/des/f_cbc.c    |  2 +-
 src/lib/crypto/des/f_tables.h |  2 +-
 src/lib/crypto/md4/md4.c      |  2 +-
 src/lib/crypto/md5/md5.c      |  2 +-
 src/lib/crypto/sha1/shs.c     |  2 +-
 6 files changed, 12 insertions(+), 12 deletions(-)

diff --git a/src/lib/crypto/aes/aesopt.h b/src/lib/crypto/aes/aesopt.h
index e7f3efa78..006fbb3eb 100644
--- a/src/lib/crypto/aes/aesopt.h
+++ b/src/lib/crypto/aes/aesopt.h
@@ -371,7 +371,7 @@
     unrolling.  The following options allow partial or full loop unrolling 
     to be set independently for encryption and decryption
 */
-#if !defined(CONFIG_SMALL)
+#if !defined(CONFIG_SMALL) || defined(CONFIG_SMALL_NO_CRYPTO)
 #define ENC_UNROLL  FULL
 #elif 0
 #define ENC_UNROLL  PARTIAL
@@ -379,7 +379,7 @@
 #define ENC_UNROLL  NONE
 #endif
 
-#if !defined(CONFIG_SMALL)
+#if !defined(CONFIG_SMALL) || defined(CONFIG_SMALL_NO_CRYPTO)
 #define DEC_UNROLL  FULL
 #elif 0
 #define DEC_UNROLL  PARTIAL
@@ -464,7 +464,7 @@
     of tables used by this implementation.
 */
 
-#if !defined(CONFIG_SMALL)   /* set tables for the normal encryption round */
+#if !defined(CONFIG_SMALL) || defined(CONFIG_SMALL_NO_CRYPTO)   /* set tables for the normal encryption round */
 #define ENC_ROUND   FOUR_TABLES
 #elif 0
 #define ENC_ROUND   ONE_TABLE
@@ -472,7 +472,7 @@
 #define ENC_ROUND   NO_TABLES
 #endif
 
-#if !defined(CONFIG_SMALL)       /* set tables for the last encryption round */
+#if !defined(CONFIG_SMALL) || defined(CONFIG_SMALL_NO_CRYPTO)       /* set tables for the last encryption round */
 #define LAST_ENC_ROUND  FOUR_TABLES
 #elif 0
 #define LAST_ENC_ROUND  ONE_TABLE
@@ -480,7 +480,7 @@
 #define LAST_ENC_ROUND  NO_TABLES
 #endif
 
-#if !defined(CONFIG_SMALL)   /* set tables for the normal decryption round */
+#if !defined(CONFIG_SMALL) || defined(CONFIG_SMALL_NO_CRYPTO)   /* set tables for the normal decryption round */
 #define DEC_ROUND   FOUR_TABLES
 #elif 0
 #define DEC_ROUND   ONE_TABLE
@@ -488,7 +488,7 @@
 #define DEC_ROUND   NO_TABLES
 #endif
 
-#if !defined(CONFIG_SMALL)       /* set tables for the last decryption round */
+#if !defined(CONFIG_SMALL) || defined(CONFIG_SMALL_NO_CRYPTO)       /* set tables for the last decryption round */
 #define LAST_DEC_ROUND  FOUR_TABLES
 #elif 0
 #define LAST_DEC_ROUND  ONE_TABLE
@@ -500,7 +500,7 @@
     way that the round functions can.  Include or exclude the following 
     defines to set this requirement.
 */
-#if !defined(CONFIG_SMALL)
+#if !defined(CONFIG_SMALL) || defined(CONFIG_SMALL_NO_CRYPTO)
 #define KEY_SCHED   FOUR_TABLES
 #elif 0
 #define KEY_SCHED   ONE_TABLE
diff --git a/src/lib/crypto/des/f_cbc.c b/src/lib/crypto/des/f_cbc.c
index 36c4a084f..0949ba140 100644
--- a/src/lib/crypto/des/f_cbc.c
+++ b/src/lib/crypto/des/f_cbc.c
@@ -257,7 +257,7 @@ krb5int_des_cbc_decrypt(const mit_des_cblock *in,
 	}
 }
 
-#ifdef CONFIG_SMALL
+#if defined(CONFIG_SMALL) && !defined(CONFIG_SMALL_NO_CRYPTO)
 void krb5int_des_do_encrypt_2 (unsigned DES_INT32 *left,
 			       unsigned DES_INT32 *right,
 			       const unsigned DES_INT32 *kp)
diff --git a/src/lib/crypto/des/f_tables.h b/src/lib/crypto/des/f_tables.h
index 28c30fcc3..45a6322fe 100644
--- a/src/lib/crypto/des/f_tables.h
+++ b/src/lib/crypto/des/f_tables.h
@@ -251,7 +251,7 @@ extern const unsigned DES_INT32 des_SP_table[8][64];
 		DES_FINAL_PERM((left), (right), (temp2)); \
 	} while (0)
 
-#ifdef CONFIG_SMALL
+#if defined(CONFIG_SMALL) && !defined(CONFIG_SMALL_NO_CRYPTO)
 extern void krb5int_des_do_encrypt_2(unsigned DES_INT32 *l,
 				     unsigned DES_INT32 *r,
 				     const unsigned DES_INT32 *k);
diff --git a/src/lib/crypto/md4/md4.c b/src/lib/crypto/md4/md4.c
index d1da9ef0c..7922c71ed 100644
--- a/src/lib/crypto/md4/md4.c
+++ b/src/lib/crypto/md4/md4.c
@@ -156,7 +156,7 @@ static void Transform (krb5_ui_4 *buf, krb5_ui_4 *in)
 {
   register krb5_ui_4 a = buf[0], b = buf[1], c = buf[2], d = buf[3];
 
-#ifdef CONFIG_SMALL
+#if defined(CONFIG_SMALL) && !defined(CONFIG_SMALL_NO_CRYPTO)
   int i;
 #define ROTATE { krb5_ui_4 temp; temp = d, d = c, c = b, b = a, a = temp; }
   for (i = 0; i < 16; i++) {
diff --git a/src/lib/crypto/md5/md5.c b/src/lib/crypto/md5/md5.c
index da8aca451..e548dbc3a 100644
--- a/src/lib/crypto/md5/md5.c
+++ b/src/lib/crypto/md5/md5.c
@@ -192,7 +192,7 @@ static void Transform (krb5_ui_4 *buf, krb5_ui_4 *in)
 {
   register krb5_ui_4 a = buf[0], b = buf[1], c = buf[2], d = buf[3];
 
-#ifdef CONFIG_SMALL
+#if defined(CONFIG_SMALL) && !defined(CONFIG_SMALL_NO_CRYPTO)
 
   int i;
 #define ROTATE { krb5_ui_4 temp; temp = d, d = c, c = b, b = a, a = temp; }
diff --git a/src/lib/crypto/sha1/shs.c b/src/lib/crypto/sha1/shs.c
index 0089055d7..61f5d2f73 100644
--- a/src/lib/crypto/sha1/shs.c
+++ b/src/lib/crypto/sha1/shs.c
@@ -112,7 +112,7 @@ void SHSTransform(SHS_LONG *digest, const SHS_LONG *data)
     E = digest[ 4 ];
     memcpy(eData, data, sizeof (eData));
 
-#ifdef CONFIG_SMALL
+#if defined(CONFIG_SMALL) && !defined(CONFIG_SMALL_NO_CRYPTO)
 
     {
 	int i;
-- 
2.26.2