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Merge pull request #8326 from daverodgman/aesce-thumb2

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Support hw-accelerated AES on Thumb and Arm
This commit is contained in:
Dave Rodgman
2023-11-27 09:58:58 +00:00
committed by GitHub
parent c94f8f1163 5e41937eba
commit 9fbac381e6
6 changed files with 219 additions and 32 deletions
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12
library/aesce.h
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@@ -2,7 +2,7 @@
* \file aesce.h
*
* \brief Support hardware AES acceleration on Armv8-A processors with
* the Armv8-A Cryptographic Extension in AArch64 execution state.
* the Armv8-A Cryptographic Extension.
*
* \warning These functions are only for internal use by other library
* functions; you must not call them directly.
@@ -19,7 +19,7 @@
#include "mbedtls/aes.h"
#if defined(MBEDTLS_AESCE_C) && defined(MBEDTLS_ARCH_IS_ARM64)
#if defined(MBEDTLS_AESCE_C) && defined(MBEDTLS_ARCH_IS_ARMV8_A) && defined(__ARM_NEON)
#define MBEDTLS_AESCE_HAVE_CODE
@@ -118,6 +118,12 @@ int mbedtls_aesce_setkey_enc(unsigned char *rk,
}
#endif
#endif /* MBEDTLS_AESCE_C && MBEDTLS_ARCH_IS_ARM64 */
#else
#if defined(MBEDTLS_AES_USE_HARDWARE_ONLY) && defined(MBEDTLS_ARCH_IS_ARMV8_A)
#error "AES hardware acceleration not supported on this platform"
#endif
#endif /* MBEDTLS_AESCE_C && MBEDTLS_ARCH_IS_ARMV8_A && __ARM_NEON */
#endif /* MBEDTLS_AESCE_H */