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authorAdam Harrison <adamdharrison@gmail.com>2022-11-26 16:20:59 -0500
committerAdam Harrison <adamdharrison@gmail.com>2022-11-29 18:39:46 -0500
commitfc0c4ed9a3103e0e6534311923668879fc8e0875 (patch)
tree6e7723c3f45d39f06c243d9c18a3c038da948793 /lib/mbedtls-2.27.0/library/padlock.c
parent3836606e2b735ba7b2dc0f580231843660587fb4 (diff)
downloadlite-xl-plugin-manager-fc0c4ed9a3103e0e6534311923668879fc8e0875.tar.gz
lite-xl-plugin-manager-fc0c4ed9a3103e0e6534311923668879fc8e0875.zip
Removed openssl, and curl, and added mbedded tls.curl-removal
Almost fully removed curl, needs more testing. Fixed most issues, now trying to cross compile. Fix? Sigh.
Diffstat (limited to 'lib/mbedtls-2.27.0/library/padlock.c')
-rw-r--r--lib/mbedtls-2.27.0/library/padlock.c164
1 files changed, 164 insertions, 0 deletions
diff --git a/lib/mbedtls-2.27.0/library/padlock.c b/lib/mbedtls-2.27.0/library/padlock.c
new file mode 100644
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--- /dev/null
+++ b/lib/mbedtls-2.27.0/library/padlock.c
@@ -0,0 +1,164 @@
+/*
+ * VIA PadLock support functions
+ *
+ * Copyright The Mbed TLS Contributors
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may
+ * not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+/*
+ * This implementation is based on the VIA PadLock Programming Guide:
+ *
+ * http://www.via.com.tw/en/downloads/whitepapers/initiatives/padlock/
+ * programming_guide.pdf
+ */
+
+#include "common.h"
+
+#if defined(MBEDTLS_PADLOCK_C)
+
+#include "mbedtls/padlock.h"
+
+#include <string.h>
+
+#ifndef asm
+#define asm __asm
+#endif
+
+#if defined(MBEDTLS_HAVE_X86)
+
+/*
+ * PadLock detection routine
+ */
+int mbedtls_padlock_has_support( int feature )
+{
+ static int flags = -1;
+ int ebx = 0, edx = 0;
+
+ if( flags == -1 )
+ {
+ asm( "movl %%ebx, %0 \n\t"
+ "movl $0xC0000000, %%eax \n\t"
+ "cpuid \n\t"
+ "cmpl $0xC0000001, %%eax \n\t"
+ "movl $0, %%edx \n\t"
+ "jb 1f \n\t"
+ "movl $0xC0000001, %%eax \n\t"
+ "cpuid \n\t"
+ "1: \n\t"
+ "movl %%edx, %1 \n\t"
+ "movl %2, %%ebx \n\t"
+ : "=m" (ebx), "=m" (edx)
+ : "m" (ebx)
+ : "eax", "ecx", "edx" );
+
+ flags = edx;
+ }
+
+ return( flags & feature );
+}
+
+/*
+ * PadLock AES-ECB block en(de)cryption
+ */
+int mbedtls_padlock_xcryptecb( mbedtls_aes_context *ctx,
+ int mode,
+ const unsigned char input[16],
+ unsigned char output[16] )
+{
+ int ebx = 0;
+ uint32_t *rk;
+ uint32_t *blk;
+ uint32_t *ctrl;
+ unsigned char buf[256];
+
+ rk = ctx->rk;
+ blk = MBEDTLS_PADLOCK_ALIGN16( buf );
+ memcpy( blk, input, 16 );
+
+ ctrl = blk + 4;
+ *ctrl = 0x80 | ctx->nr | ( ( ctx->nr + ( mode^1 ) - 10 ) << 9 );
+
+ asm( "pushfl \n\t"
+ "popfl \n\t"
+ "movl %%ebx, %0 \n\t"
+ "movl $1, %%ecx \n\t"
+ "movl %2, %%edx \n\t"
+ "movl %3, %%ebx \n\t"
+ "movl %4, %%esi \n\t"
+ "movl %4, %%edi \n\t"
+ ".byte 0xf3,0x0f,0xa7,0xc8 \n\t"
+ "movl %1, %%ebx \n\t"
+ : "=m" (ebx)
+ : "m" (ebx), "m" (ctrl), "m" (rk), "m" (blk)
+ : "memory", "ecx", "edx", "esi", "edi" );
+
+ memcpy( output, blk, 16 );
+
+ return( 0 );
+}
+
+/*
+ * PadLock AES-CBC buffer en(de)cryption
+ */
+int mbedtls_padlock_xcryptcbc( mbedtls_aes_context *ctx,
+ int mode,
+ size_t length,
+ unsigned char iv[16],
+ const unsigned char *input,
+ unsigned char *output )
+{
+ int ebx = 0;
+ size_t count;
+ uint32_t *rk;
+ uint32_t *iw;
+ uint32_t *ctrl;
+ unsigned char buf[256];
+
+ if( ( (long) input & 15 ) != 0 ||
+ ( (long) output & 15 ) != 0 )
+ return( MBEDTLS_ERR_PADLOCK_DATA_MISALIGNED );
+
+ rk = ctx->rk;
+ iw = MBEDTLS_PADLOCK_ALIGN16( buf );
+ memcpy( iw, iv, 16 );
+
+ ctrl = iw + 4;
+ *ctrl = 0x80 | ctx->nr | ( ( ctx->nr + ( mode ^ 1 ) - 10 ) << 9 );
+
+ count = ( length + 15 ) >> 4;
+
+ asm( "pushfl \n\t"
+ "popfl \n\t"
+ "movl %%ebx, %0 \n\t"
+ "movl %2, %%ecx \n\t"
+ "movl %3, %%edx \n\t"
+ "movl %4, %%ebx \n\t"
+ "movl %5, %%esi \n\t"
+ "movl %6, %%edi \n\t"
+ "movl %7, %%eax \n\t"
+ ".byte 0xf3,0x0f,0xa7,0xd0 \n\t"
+ "movl %1, %%ebx \n\t"
+ : "=m" (ebx)
+ : "m" (ebx), "m" (count), "m" (ctrl),
+ "m" (rk), "m" (input), "m" (output), "m" (iw)
+ : "memory", "eax", "ecx", "edx", "esi", "edi" );
+
+ memcpy( iv, iw, 16 );
+
+ return( 0 );
+}
+
+#endif /* MBEDTLS_HAVE_X86 */
+
+#endif /* MBEDTLS_PADLOCK_C */