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tinyCrypt: Move key buffers to end of mbedtls_ssl_handshake_params

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This saves considerable amount of code on Thumb due to single-instruction
load/stores for fields preceding these buffers.
This commit is contained in:
Hanno Becker 2019-07-24 11:47:22 +01:00
parent af9ff4ab9d
commit 9175c21b72
1 changed files with 6 additions and 5 deletions
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11
include/mbedtls/ssl_internal.h
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@ -392,11 +392,6 @@ struct mbedtls_ssl_handshake_params
defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED) defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED)
uint16_t curve_tls_id; /*!< TLS ID of EC for ECDHE. */ uint16_t curve_tls_id; /*!< TLS ID of EC for ECDHE. */
#endif #endif
#if defined(MBEDTLS_USE_TINYCRYPT)
uint8_t ecdh_privkey[NUM_ECC_BYTES];
uint8_t ecdh_ownpubkey[2*NUM_ECC_BYTES];
uint8_t ecdh_peerkey[2*NUM_ECC_BYTES];
#endif /* MBEDTLS_USE_TINYCRYPT */
#if defined(MBEDTLS_KEY_EXCHANGE__SOME__PSK_ENABLED) #if defined(MBEDTLS_KEY_EXCHANGE__SOME__PSK_ENABLED)
unsigned char *psk; /*!< PSK from the callback */ unsigned char *psk; /*!< PSK from the callback */
size_t psk_len; /*!< Length of PSK from callback */ size_t psk_len; /*!< Length of PSK from callback */
@ -554,6 +549,12 @@ struct mbedtls_ssl_handshake_params
* The library does not use it internally. */ * The library does not use it internally. */
void *user_async_ctx; void *user_async_ctx;
#endif /* MBEDTLS_SSL_ASYNC_PRIVATE */ #endif /* MBEDTLS_SSL_ASYNC_PRIVATE */
#if defined(MBEDTLS_USE_TINYCRYPT)
uint8_t ecdh_privkey[NUM_ECC_BYTES];
uint8_t ecdh_ownpubkey[2*NUM_ECC_BYTES];
uint8_t ecdh_peerkey[2*NUM_ECC_BYTES];
#endif /* MBEDTLS_USE_TINYCRYPT */
}; };
/* /*