VeraCrypt
aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorMounir IDRASSI <mounir.idrassi@idrix.fr>2016-12-07 09:35:10 +0100
committerMounir IDRASSI <mounir.idrassi@idrix.fr>2016-12-07 12:36:08 +0100
commita0eadbd660b48931f7ff88bb9c1f708474ef7e69 (patch)
tree006f5c72e40d9a8b8182417c709567477cef00e2
parentfb38269c89e0fadf51e6912d5a9e017d02833b34 (diff)
downloadVeraCrypt-a0eadbd660b48931f7ff88bb9c1f708474ef7e69.tar.gz
VeraCrypt-a0eadbd660b48931f7ff88bb9c1f708474ef7e69.zip
Windows: Don't use Twofish x64 assembly implementation for UEFI bootloader (for now, yasm is not integrated in EDKII framework).
-rw-r--r--src/Common/Crypto.c6
-rw-r--r--src/Crypto/Twofish.c10
-rw-r--r--src/Crypto/Twofish.h4
3 files changed, 10 insertions, 10 deletions
diff --git a/src/Common/Crypto.c b/src/Common/Crypto.c
index 808c8af7..e44ad1ba 100644
--- a/src/Common/Crypto.c
+++ b/src/Common/Crypto.c
@@ -247,7 +247,7 @@ void EncipherBlocks (int cipher, void *dataPtr, void *ks, size_t blockCount)
#endif
}
#endif
-#if CRYPTOPP_BOOL_X64
+#if CRYPTOPP_BOOL_X64 && !defined(_UEFI)
else if (cipher == TWOFISH) {
twofish_encrypt_blocks(ks, data, data, (uint32) blockCount);
}
@@ -347,7 +347,7 @@ void DecipherBlocks (int cipher, void *dataPtr, void *ks, size_t blockCount)
#endif
}
#endif
-#if CRYPTOPP_BOOL_X64
+#if CRYPTOPP_BOOL_X64 && !defined(_UEFI)
else if (cipher == TWOFISH) {
twofish_decrypt_blocks(ks, data, data, (uint32) blockCount);
}
@@ -428,7 +428,7 @@ BOOL CipherSupportsIntraDataUnitParallelization (int cipher)
#if CRYPTOPP_BOOL_SSE2_INTRINSICS_AVAILABLE && !defined (_UEFI)
|| (cipher == SERPENT && HasSSE2())
#endif
-#if CRYPTOPP_BOOL_X64
+#if CRYPTOPP_BOOL_X64 && !defined(_UEFI)
|| (cipher == TWOFISH)
#endif
;
diff --git a/src/Crypto/Twofish.c b/src/Crypto/Twofish.c
index 16788378..23a5dfda 100644
--- a/src/Crypto/Twofish.c
+++ b/src/Crypto/Twofish.c
@@ -50,11 +50,11 @@
Botan is released under the Simplified BSD License (see license.txt)
*/
-#if !defined (_MSC_VER) || defined(_WIN64)
+#if !defined (_MSC_VER) || defined(_M_X64)
#define UNROLL_TWOFISH
#endif
-#if CRYPTOPP_BOOL_X64
+#if CRYPTOPP_BOOL_X64 && !defined(_UEFI)
/* these are 64-bit assembly implementation taken from https://github.com/jkivilin/supercop-blockciphers
Copyright 2011-2013 Jussi Kivilinna <jussi.kivilinna@iki.fi>
@@ -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(_UEFI)
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(_UEFI)
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(_UEFI)
void twofish_decrypt(TwofishInstance *ks, const u4byte in_blk[4], u4byte out_blk[4])
{
uint32* rk = ks->l_key;
diff --git a/src/Crypto/Twofish.h b/src/Crypto/Twofish.h
index b2d44ddb..57723138 100644
--- a/src/Crypto/Twofish.h
+++ b/src/Crypto/Twofish.h
@@ -35,7 +35,7 @@ extern "C"
#endif
typedef struct
{
-#if CRYPTOPP_BOOL_X64
+#if CRYPTOPP_BOOL_X64 && !defined(_UEFI)
u4byte mk_tab[4][256], w[8], k[32];
#else
u4byte l_key[40];
@@ -52,7 +52,7 @@ typedef struct
/* in_key must be 32-bytes long */
void twofish_set_key(TwofishInstance *instance, const u4byte in_key[]);
-#if CRYPTOPP_BOOL_X64
+#if CRYPTOPP_BOOL_X64 && !defined(_UEFI)
void twofish_encrypt_blocks(TwofishInstance *instance, const byte* in_blk, byte* out_blk, uint32 blockCount);
void twofish_decrypt_blocks(TwofishInstance *instance, const byte* in_blk, byte* out_blk, uint32 blockCount);
#define twofish_encrypt(instance,in_blk,out_blk) twofish_encrypt_blocks(instance, (const byte*) in_blk, (byte*) out_blk, 1)