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aes: move the fake key operations to AES_SCA_COUNTERMEASURES define

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Signed-off-by: Andrzej Kurek <andrzej.kurek@arm.com>
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Andrzej Kurek 2020-07-19 00:32:34 -04:00
parent e78775eed2
commit fac2f9b4ce
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2 changed files with 10 additions and 0 deletions
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include/mbedtls/aes.h
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@ -87,7 +87,9 @@ typedef struct mbedtls_aes_context
{
int nr; /*!< The number of rounds. */
uint32_t *rk; /*!< AES round keys. */
#if defined(MBEDTLS_AES_SCA_COUNTERMEASURES)
uint32_t frk[8]; /*!< Fake AES round keys. */
#endif
#if defined(MBEDTLS_AES_ONLY_128_BIT_KEY_LENGTH) && !defined(MBEDTLS_PADLOCK_C)
uint32_t buf[44]; /*!< Unaligned data buffer */
#else /* MBEDTLS_AES_ONLY_128_BIT_KEY_LENGTH */