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struct optimization for mbedtls_record

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Teppo Järvelin 2019-08-30 09:06:39 +03:00
parent 22854511bb
commit 30185bb82b
1 changed files with 11 additions and 10 deletions
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21
include/mbedtls/ssl_internal.h
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@ -817,14 +817,9 @@ static inline int mbedtls_ssl_transform_uses_aead(
typedef struct typedef struct
{ {
uint8_t ctr[8]; /* In TLS: The implicit record sequence number. #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
* In DTLS: The 2-byte epoch followed by uint8_t cid_len; /* Length of the CID (0 if not present) */
* the 6-byte sequence number. #endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
* This is stored as a raw big endian byte array
* as opposed to a uint64_t because we rarely
* need to perform arithmetic on this, but do
* need it as a Byte array for the purpose of
* MAC computations. */
uint8_t type; /* The record content type. */ uint8_t type; /* The record content type. */
uint8_t ver[2]; /* SSL/TLS version as present on the wire. uint8_t ver[2]; /* SSL/TLS version as present on the wire.
* Convert to internal presentation of versions * Convert to internal presentation of versions
@ -836,9 +831,15 @@ typedef struct
size_t buf_len; /* Buffer length */ size_t buf_len; /* Buffer length */
size_t data_offset; /* Offset of record content */ size_t data_offset; /* Offset of record content */
size_t data_len; /* Length of record content */ size_t data_len; /* Length of record content */
uint8_t ctr[8]; /* In TLS: The implicit record sequence number.
* In DTLS: The 2-byte epoch followed by
* the 6-byte sequence number.
* This is stored as a raw big endian byte array
* as opposed to a uint64_t because we rarely
* need to perform arithmetic on this, but do
* need it as a Byte array for the purpose of
* MAC computations. */
#if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID) #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
uint8_t cid_len; /* Length of the CID (0 if not present) */
unsigned char cid[ MBEDTLS_SSL_CID_LEN_MAX ]; /* The CID */ unsigned char cid[ MBEDTLS_SSL_CID_LEN_MAX ]; /* The CID */
#endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */ #endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
} mbedtls_record; } mbedtls_record;