VeraCrypt
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-rw-r--r--src/Crypto/Twofish.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/src/Crypto/Twofish.c b/src/Crypto/Twofish.c
index 8ab59081..ad93b66f 100644
--- a/src/Crypto/Twofish.c
+++ b/src/Crypto/Twofish.c
@@ -54,7 +54,7 @@
#define UNROLL_TWOFISH
#endif
-#if CRYPTOPP_BOOL_X64
+#if CRYPTOPP_BOOL_X64 && !defined(CRYPTOPP_DISABLE_ASM)
/* these are 64-bit assembly implementation taken from https://github.com/jkivilin/supercop-blockciphers
Copyright © 2011-2013 Jussi Kivilinna <jussi.kivilinna@iki.fi>
@@ -607,7 +607,7 @@ void twofish_set_key(TwofishInstance *instance, const u4byte in_key[])
byte S8[16];
uint32 S32[4];
} us;
- int i;
+ unsigned int i;
const byte* key = (const byte*) in_key;
us.S32[0] = RS[0][key[0]] ^ RS[1][key[1]] ^ RS[2][key[2]] ^ RS[3][key[3]] ^ RS[4][key[4]] ^ RS[5][key[5]] ^ RS[6][key[6]] ^ RS[7][key[7]];
@@ -630,7 +630,7 @@ void twofish_set_key(TwofishInstance *instance, const u4byte in_key[])
uint32 b = rotl32(MDSQ[0][Q[0][Q[0][Q[1][Q[1][i + 1] ^ key[28]] ^ key[20]] ^ key[12]] ^ key[4]] ^ MDSQ[1][Q[0][Q[1][Q[1][Q[0][i + 1] ^ key[29]] ^ key[21]] ^ key[13]] ^ key[5]]
^ MDSQ[2][Q[1][Q[0][Q[0][Q[0][i + 1] ^ key[30]] ^ key[22]] ^ key[14]] ^ key[6]] ^ MDSQ[3][Q[1][Q[1][Q[0][Q[1][i + 1] ^ key[31]] ^ key[23]] ^ key[15]] ^ key[7]], 8);
a += b;
-#if CRYPTOPP_BOOL_X64
+#if CRYPTOPP_BOOL_X64 && !defined(CRYPTOPP_DISABLE_ASM)
if (i < 8)
{
instance->w[i] = a;
@@ -998,7 +998,7 @@ void twofish_set_key(TwofishInstance *instance, const u4byte in_key[])
#ifndef TC_MINIMIZE_CODE_SIZE
-#if (CRYPTOPP_BOOL_X64 == 0)
+#if (CRYPTOPP_BOOL_X64 == 0) || defined(CRYPTOPP_DISABLE_ASM)
void twofish_encrypt(TwofishInstance *ks, const u4byte in_blk[4], u4byte out_blk[4])
{
uint32* rk = ks->l_key;
@@ -1071,7 +1071,7 @@ void twofish_encrypt(TwofishInstance *instance, const u4byte in_blk[4], u4byte o
#ifndef TC_MINIMIZE_CODE_SIZE
-#if (CRYPTOPP_BOOL_X64 == 0)
+#if (CRYPTOPP_BOOL_X64 == 0) || defined(CRYPTOPP_DISABLE_ASM)
void twofish_decrypt(TwofishInstance *ks, const u4byte in_blk[4], u4byte out_blk[4])
{
uint32* rk = ks->l_key;