padlock.h

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/*
 *  Copyright The Mbed TLS Contributors
 *  SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
 */
#ifndef MBEDTLS_PADLOCK_H
#define MBEDTLS_PADLOCK_H
 
#include "mbedtls/build_info.h"
 
#include "mbedtls/aes.h"
 
#define MBEDTLS_ERR_PADLOCK_DATA_MISALIGNED               -0x0030  
#if defined(__has_feature)
#if __has_feature(address_sanitizer)
#define MBEDTLS_HAVE_ASAN
#endif
#endif
 
/*
 * - `padlock` is implements with GNUC assembly for x86 target.
 * - Some versions of ASan result in errors about not enough registers.
 */
#if defined(MBEDTLS_PADLOCK_C) && \
    defined(__GNUC__) && defined(MBEDTLS_ARCH_IS_X86) && \
    defined(MBEDTLS_HAVE_ASM) && \
    !defined(MBEDTLS_HAVE_ASAN)
 
#define MBEDTLS_VIA_PADLOCK_HAVE_CODE
 
#include <stdint.h>
 
#define MBEDTLS_PADLOCK_RNG 0x000C
#define MBEDTLS_PADLOCK_ACE 0x00C0
#define MBEDTLS_PADLOCK_PHE 0x0C00
#define MBEDTLS_PADLOCK_PMM 0x3000
 
#define MBEDTLS_PADLOCK_ALIGN16(x) (uint32_t *) (16 + ((int32_t) (x) & ~15))
 
#ifdef __cplusplus
extern "C" {
#endif
 
int mbedtls_padlock_has_support(int feature);
 
int mbedtls_padlock_xcryptecb(mbedtls_aes_context *ctx,
                              int mode,
                              const unsigned char input[16],
                              unsigned char output[16]);
 
int mbedtls_padlock_xcryptcbc(mbedtls_aes_context *ctx,
                              int mode,
                              size_t length,
                              unsigned char iv[16],
                              const unsigned char *input,
                              unsigned char *output);
 
#ifdef __cplusplus
}
#endif
 
#endif /* HAVE_X86  */
 
#endif /* padlock.h */