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authorAdam Harrison <adamdharrison@gmail.com>2023-07-06 06:37:41 -0400
committerAdam Harrison <adamdharrison@gmail.com>2023-07-06 06:37:41 -0400
commit9db10386430479067795bec66bb26343ff176ded (patch)
tree5ad0cf95abde7cf03afaf8f70af8549d46b09a46 /lib/mbedtls-2.27.0/library/aesni.c
parent57092d80cb07fa1a84873769fa92165426196054 (diff)
downloadlite-xl-plugin-manager-9db10386430479067795bec66bb26343ff176ded.tar.gz
lite-xl-plugin-manager-9db10386430479067795bec66bb26343ff176ded.zip
Removed old mbedtls, replacing with submodule.
Diffstat (limited to 'lib/mbedtls-2.27.0/library/aesni.c')
-rw-r--r--lib/mbedtls-2.27.0/library/aesni.c464
1 files changed, 0 insertions, 464 deletions
diff --git a/lib/mbedtls-2.27.0/library/aesni.c b/lib/mbedtls-2.27.0/library/aesni.c
deleted file mode 100644
index 996292f..0000000
--- a/lib/mbedtls-2.27.0/library/aesni.c
+++ /dev/null
@@ -1,464 +0,0 @@
-/*
- * AES-NI 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.
- */
-
-/*
- * [AES-WP] http://software.intel.com/en-us/articles/intel-advanced-encryption-standard-aes-instructions-set
- * [CLMUL-WP] http://software.intel.com/en-us/articles/intel-carry-less-multiplication-instruction-and-its-usage-for-computing-the-gcm-mode/
- */
-
-#include "common.h"
-
-#if defined(MBEDTLS_AESNI_C)
-
-#if defined(__has_feature)
-#if __has_feature(memory_sanitizer)
-#warning "MBEDTLS_AESNI_C is known to cause spurious error reports with some memory sanitizers as they do not understand the assembly code."
-#endif
-#endif
-
-#include "mbedtls/aesni.h"
-
-#include <string.h>
-
-#ifndef asm
-#define asm __asm
-#endif
-
-#if defined(MBEDTLS_HAVE_X86_64)
-
-/*
- * AES-NI support detection routine
- */
-int mbedtls_aesni_has_support( unsigned int what )
-{
- static int done = 0;
- static unsigned int c = 0;
-
- if( ! done )
- {
- asm( "movl $1, %%eax \n\t"
- "cpuid \n\t"
- : "=c" (c)
- :
- : "eax", "ebx", "edx" );
- done = 1;
- }
-
- return( ( c & what ) != 0 );
-}
-
-/*
- * Binutils needs to be at least 2.19 to support AES-NI instructions.
- * Unfortunately, a lot of users have a lower version now (2014-04).
- * Emit bytecode directly in order to support "old" version of gas.
- *
- * Opcodes from the Intel architecture reference manual, vol. 3.
- * We always use registers, so we don't need prefixes for memory operands.
- * Operand macros are in gas order (src, dst) as opposed to Intel order
- * (dst, src) in order to blend better into the surrounding assembly code.
- */
-#define AESDEC ".byte 0x66,0x0F,0x38,0xDE,"
-#define AESDECLAST ".byte 0x66,0x0F,0x38,0xDF,"
-#define AESENC ".byte 0x66,0x0F,0x38,0xDC,"
-#define AESENCLAST ".byte 0x66,0x0F,0x38,0xDD,"
-#define AESIMC ".byte 0x66,0x0F,0x38,0xDB,"
-#define AESKEYGENA ".byte 0x66,0x0F,0x3A,0xDF,"
-#define PCLMULQDQ ".byte 0x66,0x0F,0x3A,0x44,"
-
-#define xmm0_xmm0 "0xC0"
-#define xmm0_xmm1 "0xC8"
-#define xmm0_xmm2 "0xD0"
-#define xmm0_xmm3 "0xD8"
-#define xmm0_xmm4 "0xE0"
-#define xmm1_xmm0 "0xC1"
-#define xmm1_xmm2 "0xD1"
-
-/*
- * AES-NI AES-ECB block en(de)cryption
- */
-int mbedtls_aesni_crypt_ecb( mbedtls_aes_context *ctx,
- int mode,
- const unsigned char input[16],
- unsigned char output[16] )
-{
- asm( "movdqu (%3), %%xmm0 \n\t" // load input
- "movdqu (%1), %%xmm1 \n\t" // load round key 0
- "pxor %%xmm1, %%xmm0 \n\t" // round 0
- "add $16, %1 \n\t" // point to next round key
- "subl $1, %0 \n\t" // normal rounds = nr - 1
- "test %2, %2 \n\t" // mode?
- "jz 2f \n\t" // 0 = decrypt
-
- "1: \n\t" // encryption loop
- "movdqu (%1), %%xmm1 \n\t" // load round key
- AESENC xmm1_xmm0 "\n\t" // do round
- "add $16, %1 \n\t" // point to next round key
- "subl $1, %0 \n\t" // loop
- "jnz 1b \n\t"
- "movdqu (%1), %%xmm1 \n\t" // load round key
- AESENCLAST xmm1_xmm0 "\n\t" // last round
- "jmp 3f \n\t"
-
- "2: \n\t" // decryption loop
- "movdqu (%1), %%xmm1 \n\t"
- AESDEC xmm1_xmm0 "\n\t" // do round
- "add $16, %1 \n\t"
- "subl $1, %0 \n\t"
- "jnz 2b \n\t"
- "movdqu (%1), %%xmm1 \n\t" // load round key
- AESDECLAST xmm1_xmm0 "\n\t" // last round
-
- "3: \n\t"
- "movdqu %%xmm0, (%4) \n\t" // export output
- :
- : "r" (ctx->nr), "r" (ctx->rk), "r" (mode), "r" (input), "r" (output)
- : "memory", "cc", "xmm0", "xmm1" );
-
-
- return( 0 );
-}
-
-/*
- * GCM multiplication: c = a times b in GF(2^128)
- * Based on [CLMUL-WP] algorithms 1 (with equation 27) and 5.
- */
-void mbedtls_aesni_gcm_mult( unsigned char c[16],
- const unsigned char a[16],
- const unsigned char b[16] )
-{
- unsigned char aa[16], bb[16], cc[16];
- size_t i;
-
- /* The inputs are in big-endian order, so byte-reverse them */
- for( i = 0; i < 16; i++ )
- {
- aa[i] = a[15 - i];
- bb[i] = b[15 - i];
- }
-
- asm( "movdqu (%0), %%xmm0 \n\t" // a1:a0
- "movdqu (%1), %%xmm1 \n\t" // b1:b0
-
- /*
- * Caryless multiplication xmm2:xmm1 = xmm0 * xmm1
- * using [CLMUL-WP] algorithm 1 (p. 13).
- */
- "movdqa %%xmm1, %%xmm2 \n\t" // copy of b1:b0
- "movdqa %%xmm1, %%xmm3 \n\t" // same
- "movdqa %%xmm1, %%xmm4 \n\t" // same
- PCLMULQDQ xmm0_xmm1 ",0x00 \n\t" // a0*b0 = c1:c0
- PCLMULQDQ xmm0_xmm2 ",0x11 \n\t" // a1*b1 = d1:d0
- PCLMULQDQ xmm0_xmm3 ",0x10 \n\t" // a0*b1 = e1:e0
- PCLMULQDQ xmm0_xmm4 ",0x01 \n\t" // a1*b0 = f1:f0
- "pxor %%xmm3, %%xmm4 \n\t" // e1+f1:e0+f0
- "movdqa %%xmm4, %%xmm3 \n\t" // same
- "psrldq $8, %%xmm4 \n\t" // 0:e1+f1
- "pslldq $8, %%xmm3 \n\t" // e0+f0:0
- "pxor %%xmm4, %%xmm2 \n\t" // d1:d0+e1+f1
- "pxor %%xmm3, %%xmm1 \n\t" // c1+e0+f1:c0
-
- /*
- * Now shift the result one bit to the left,
- * taking advantage of [CLMUL-WP] eq 27 (p. 20)
- */
- "movdqa %%xmm1, %%xmm3 \n\t" // r1:r0
- "movdqa %%xmm2, %%xmm4 \n\t" // r3:r2
- "psllq $1, %%xmm1 \n\t" // r1<<1:r0<<1
- "psllq $1, %%xmm2 \n\t" // r3<<1:r2<<1
- "psrlq $63, %%xmm3 \n\t" // r1>>63:r0>>63
- "psrlq $63, %%xmm4 \n\t" // r3>>63:r2>>63
- "movdqa %%xmm3, %%xmm5 \n\t" // r1>>63:r0>>63
- "pslldq $8, %%xmm3 \n\t" // r0>>63:0
- "pslldq $8, %%xmm4 \n\t" // r2>>63:0
- "psrldq $8, %%xmm5 \n\t" // 0:r1>>63
- "por %%xmm3, %%xmm1 \n\t" // r1<<1|r0>>63:r0<<1
- "por %%xmm4, %%xmm2 \n\t" // r3<<1|r2>>62:r2<<1
- "por %%xmm5, %%xmm2 \n\t" // r3<<1|r2>>62:r2<<1|r1>>63
-
- /*
- * Now reduce modulo the GCM polynomial x^128 + x^7 + x^2 + x + 1
- * using [CLMUL-WP] algorithm 5 (p. 20).
- * Currently xmm2:xmm1 holds x3:x2:x1:x0 (already shifted).
- */
- /* Step 2 (1) */
- "movdqa %%xmm1, %%xmm3 \n\t" // x1:x0
- "movdqa %%xmm1, %%xmm4 \n\t" // same
- "movdqa %%xmm1, %%xmm5 \n\t" // same
- "psllq $63, %%xmm3 \n\t" // x1<<63:x0<<63 = stuff:a
- "psllq $62, %%xmm4 \n\t" // x1<<62:x0<<62 = stuff:b
- "psllq $57, %%xmm5 \n\t" // x1<<57:x0<<57 = stuff:c
-
- /* Step 2 (2) */
- "pxor %%xmm4, %%xmm3 \n\t" // stuff:a+b
- "pxor %%xmm5, %%xmm3 \n\t" // stuff:a+b+c
- "pslldq $8, %%xmm3 \n\t" // a+b+c:0
- "pxor %%xmm3, %%xmm1 \n\t" // x1+a+b+c:x0 = d:x0
-
- /* Steps 3 and 4 */
- "movdqa %%xmm1,%%xmm0 \n\t" // d:x0
- "movdqa %%xmm1,%%xmm4 \n\t" // same
- "movdqa %%xmm1,%%xmm5 \n\t" // same
- "psrlq $1, %%xmm0 \n\t" // e1:x0>>1 = e1:e0'
- "psrlq $2, %%xmm4 \n\t" // f1:x0>>2 = f1:f0'
- "psrlq $7, %%xmm5 \n\t" // g1:x0>>7 = g1:g0'
- "pxor %%xmm4, %%xmm0 \n\t" // e1+f1:e0'+f0'
- "pxor %%xmm5, %%xmm0 \n\t" // e1+f1+g1:e0'+f0'+g0'
- // e0'+f0'+g0' is almost e0+f0+g0, ex\tcept for some missing
- // bits carried from d. Now get those\t bits back in.
- "movdqa %%xmm1,%%xmm3 \n\t" // d:x0
- "movdqa %%xmm1,%%xmm4 \n\t" // same
- "movdqa %%xmm1,%%xmm5 \n\t" // same
- "psllq $63, %%xmm3 \n\t" // d<<63:stuff
- "psllq $62, %%xmm4 \n\t" // d<<62:stuff
- "psllq $57, %%xmm5 \n\t" // d<<57:stuff
- "pxor %%xmm4, %%xmm3 \n\t" // d<<63+d<<62:stuff
- "pxor %%xmm5, %%xmm3 \n\t" // missing bits of d:stuff
- "psrldq $8, %%xmm3 \n\t" // 0:missing bits of d
- "pxor %%xmm3, %%xmm0 \n\t" // e1+f1+g1:e0+f0+g0
- "pxor %%xmm1, %%xmm0 \n\t" // h1:h0
- "pxor %%xmm2, %%xmm0 \n\t" // x3+h1:x2+h0
-
- "movdqu %%xmm0, (%2) \n\t" // done
- :
- : "r" (aa), "r" (bb), "r" (cc)
- : "memory", "cc", "xmm0", "xmm1", "xmm2", "xmm3", "xmm4", "xmm5" );
-
- /* Now byte-reverse the outputs */
- for( i = 0; i < 16; i++ )
- c[i] = cc[15 - i];
-
- return;
-}
-
-/*
- * Compute decryption round keys from encryption round keys
- */
-void mbedtls_aesni_inverse_key( unsigned char *invkey,
- const unsigned char *fwdkey, int nr )
-{
- unsigned char *ik = invkey;
- const unsigned char *fk = fwdkey + 16 * nr;
-
- memcpy( ik, fk, 16 );
-
- for( fk -= 16, ik += 16; fk > fwdkey; fk -= 16, ik += 16 )
- asm( "movdqu (%0), %%xmm0 \n\t"
- AESIMC xmm0_xmm0 "\n\t"
- "movdqu %%xmm0, (%1) \n\t"
- :
- : "r" (fk), "r" (ik)
- : "memory", "xmm0" );
-
- memcpy( ik, fk, 16 );
-}
-
-/*
- * Key expansion, 128-bit case
- */
-static void aesni_setkey_enc_128( unsigned char *rk,
- const unsigned char *key )
-{
- asm( "movdqu (%1), %%xmm0 \n\t" // copy the original key
- "movdqu %%xmm0, (%0) \n\t" // as round key 0
- "jmp 2f \n\t" // skip auxiliary routine
-
- /*
- * Finish generating the next round key.
- *
- * On entry xmm0 is r3:r2:r1:r0 and xmm1 is X:stuff:stuff:stuff
- * with X = rot( sub( r3 ) ) ^ RCON.
- *
- * On exit, xmm0 is r7:r6:r5:r4
- * with r4 = X + r0, r5 = r4 + r1, r6 = r5 + r2, r7 = r6 + r3
- * and those are written to the round key buffer.
- */
- "1: \n\t"
- "pshufd $0xff, %%xmm1, %%xmm1 \n\t" // X:X:X:X
- "pxor %%xmm0, %%xmm1 \n\t" // X+r3:X+r2:X+r1:r4
- "pslldq $4, %%xmm0 \n\t" // r2:r1:r0:0
- "pxor %%xmm0, %%xmm1 \n\t" // X+r3+r2:X+r2+r1:r5:r4
- "pslldq $4, %%xmm0 \n\t" // etc
- "pxor %%xmm0, %%xmm1 \n\t"
- "pslldq $4, %%xmm0 \n\t"
- "pxor %%xmm1, %%xmm0 \n\t" // update xmm0 for next time!
- "add $16, %0 \n\t" // point to next round key
- "movdqu %%xmm0, (%0) \n\t" // write it
- "ret \n\t"
-
- /* Main "loop" */
- "2: \n\t"
- AESKEYGENA xmm0_xmm1 ",0x01 \n\tcall 1b \n\t"
- AESKEYGENA xmm0_xmm1 ",0x02 \n\tcall 1b \n\t"
- AESKEYGENA xmm0_xmm1 ",0x04 \n\tcall 1b \n\t"
- AESKEYGENA xmm0_xmm1 ",0x08 \n\tcall 1b \n\t"
- AESKEYGENA xmm0_xmm1 ",0x10 \n\tcall 1b \n\t"
- AESKEYGENA xmm0_xmm1 ",0x20 \n\tcall 1b \n\t"
- AESKEYGENA xmm0_xmm1 ",0x40 \n\tcall 1b \n\t"
- AESKEYGENA xmm0_xmm1 ",0x80 \n\tcall 1b \n\t"
- AESKEYGENA xmm0_xmm1 ",0x1B \n\tcall 1b \n\t"
- AESKEYGENA xmm0_xmm1 ",0x36 \n\tcall 1b \n\t"
- :
- : "r" (rk), "r" (key)
- : "memory", "cc", "0" );
-}
-
-/*
- * Key expansion, 192-bit case
- */
-static void aesni_setkey_enc_192( unsigned char *rk,
- const unsigned char *key )
-{
- asm( "movdqu (%1), %%xmm0 \n\t" // copy original round key
- "movdqu %%xmm0, (%0) \n\t"
- "add $16, %0 \n\t"
- "movq 16(%1), %%xmm1 \n\t"
- "movq %%xmm1, (%0) \n\t"
- "add $8, %0 \n\t"
- "jmp 2f \n\t" // skip auxiliary routine
-
- /*
- * Finish generating the next 6 quarter-keys.
- *
- * On entry xmm0 is r3:r2:r1:r0, xmm1 is stuff:stuff:r5:r4
- * and xmm2 is stuff:stuff:X:stuff with X = rot( sub( r3 ) ) ^ RCON.
- *
- * On exit, xmm0 is r9:r8:r7:r6 and xmm1 is stuff:stuff:r11:r10
- * and those are written to the round key buffer.
- */
- "1: \n\t"
- "pshufd $0x55, %%xmm2, %%xmm2 \n\t" // X:X:X:X
- "pxor %%xmm0, %%xmm2 \n\t" // X+r3:X+r2:X+r1:r4
- "pslldq $4, %%xmm0 \n\t" // etc
- "pxor %%xmm0, %%xmm2 \n\t"
- "pslldq $4, %%xmm0 \n\t"
- "pxor %%xmm0, %%xmm2 \n\t"
- "pslldq $4, %%xmm0 \n\t"
- "pxor %%xmm2, %%xmm0 \n\t" // update xmm0 = r9:r8:r7:r6
- "movdqu %%xmm0, (%0) \n\t"
- "add $16, %0 \n\t"
- "pshufd $0xff, %%xmm0, %%xmm2 \n\t" // r9:r9:r9:r9
- "pxor %%xmm1, %%xmm2 \n\t" // stuff:stuff:r9+r5:r10
- "pslldq $4, %%xmm1 \n\t" // r2:r1:r0:0
- "pxor %%xmm2, %%xmm1 \n\t" // xmm1 = stuff:stuff:r11:r10
- "movq %%xmm1, (%0) \n\t"
- "add $8, %0 \n\t"
- "ret \n\t"
-
- "2: \n\t"
- AESKEYGENA xmm1_xmm2 ",0x01 \n\tcall 1b \n\t"
- AESKEYGENA xmm1_xmm2 ",0x02 \n\tcall 1b \n\t"
- AESKEYGENA xmm1_xmm2 ",0x04 \n\tcall 1b \n\t"
- AESKEYGENA xmm1_xmm2 ",0x08 \n\tcall 1b \n\t"
- AESKEYGENA xmm1_xmm2 ",0x10 \n\tcall 1b \n\t"
- AESKEYGENA xmm1_xmm2 ",0x20 \n\tcall 1b \n\t"
- AESKEYGENA xmm1_xmm2 ",0x40 \n\tcall 1b \n\t"
- AESKEYGENA xmm1_xmm2 ",0x80 \n\tcall 1b \n\t"
-
- :
- : "r" (rk), "r" (key)
- : "memory", "cc", "0" );
-}
-
-/*
- * Key expansion, 256-bit case
- */
-static void aesni_setkey_enc_256( unsigned char *rk,
- const unsigned char *key )
-{
- asm( "movdqu (%1), %%xmm0 \n\t"
- "movdqu %%xmm0, (%0) \n\t"
- "add $16, %0 \n\t"
- "movdqu 16(%1), %%xmm1 \n\t"
- "movdqu %%xmm1, (%0) \n\t"
- "jmp 2f \n\t" // skip auxiliary routine
-
- /*
- * Finish generating the next two round keys.
- *
- * On entry xmm0 is r3:r2:r1:r0, xmm1 is r7:r6:r5:r4 and
- * xmm2 is X:stuff:stuff:stuff with X = rot( sub( r7 )) ^ RCON
- *
- * On exit, xmm0 is r11:r10:r9:r8 and xmm1 is r15:r14:r13:r12
- * and those have been written to the output buffer.
- */
- "1: \n\t"
- "pshufd $0xff, %%xmm2, %%xmm2 \n\t"
- "pxor %%xmm0, %%xmm2 \n\t"
- "pslldq $4, %%xmm0 \n\t"
- "pxor %%xmm0, %%xmm2 \n\t"
- "pslldq $4, %%xmm0 \n\t"
- "pxor %%xmm0, %%xmm2 \n\t"
- "pslldq $4, %%xmm0 \n\t"
- "pxor %%xmm2, %%xmm0 \n\t"
- "add $16, %0 \n\t"
- "movdqu %%xmm0, (%0) \n\t"
-
- /* Set xmm2 to stuff:Y:stuff:stuff with Y = subword( r11 )
- * and proceed to generate next round key from there */
- AESKEYGENA xmm0_xmm2 ",0x00 \n\t"
- "pshufd $0xaa, %%xmm2, %%xmm2 \n\t"
- "pxor %%xmm1, %%xmm2 \n\t"
- "pslldq $4, %%xmm1 \n\t"
- "pxor %%xmm1, %%xmm2 \n\t"
- "pslldq $4, %%xmm1 \n\t"
- "pxor %%xmm1, %%xmm2 \n\t"
- "pslldq $4, %%xmm1 \n\t"
- "pxor %%xmm2, %%xmm1 \n\t"
- "add $16, %0 \n\t"
- "movdqu %%xmm1, (%0) \n\t"
- "ret \n\t"
-
- /*
- * Main "loop" - Generating one more key than necessary,
- * see definition of mbedtls_aes_context.buf
- */
- "2: \n\t"
- AESKEYGENA xmm1_xmm2 ",0x01 \n\tcall 1b \n\t"
- AESKEYGENA xmm1_xmm2 ",0x02 \n\tcall 1b \n\t"
- AESKEYGENA xmm1_xmm2 ",0x04 \n\tcall 1b \n\t"
- AESKEYGENA xmm1_xmm2 ",0x08 \n\tcall 1b \n\t"
- AESKEYGENA xmm1_xmm2 ",0x10 \n\tcall 1b \n\t"
- AESKEYGENA xmm1_xmm2 ",0x20 \n\tcall 1b \n\t"
- AESKEYGENA xmm1_xmm2 ",0x40 \n\tcall 1b \n\t"
- :
- : "r" (rk), "r" (key)
- : "memory", "cc", "0" );
-}
-
-/*
- * Key expansion, wrapper
- */
-int mbedtls_aesni_setkey_enc( unsigned char *rk,
- const unsigned char *key,
- size_t bits )
-{
- switch( bits )
- {
- case 128: aesni_setkey_enc_128( rk, key ); break;
- case 192: aesni_setkey_enc_192( rk, key ); break;
- case 256: aesni_setkey_enc_256( rk, key ); break;
- default : return( MBEDTLS_ERR_AES_INVALID_KEY_LENGTH );
- }
-
- return( 0 );
-}
-
-#endif /* MBEDTLS_HAVE_X86_64 */
-
-#endif /* MBEDTLS_AESNI_C */