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Expand documentation of internal mbedtls_record structure

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Hanno Becker 2019-07-11 09:24:36 +01:00 committed by Manuel Pégourié-Gonnard
parent 6c0e53ce6f
commit e84b28cb9d
1 changed files with 20 additions and 9 deletions
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17
include/mbedtls/ssl_internal.h
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@ -789,9 +789,20 @@ static inline int mbedtls_ssl_transform_uses_aead(
typedef struct typedef struct
{ {
uint8_t ctr[8]; /* Record sequence number */ uint8_t ctr[8]; /* In TLS: The implicit record sequence number.
uint8_t type; /* Record type */ * In DTLS: The 2-byte epoch followed by
uint8_t ver[2]; /* SSL/TLS version */ * 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. */
uint8_t type; /* The record content type. */
uint8_t ver[2]; /* SSL/TLS version as present on the wire.
* Convert to internal presentation of versions
* using mbedtls_ssl_read_version() and
* mbedtls_ssl_write_version().
* Keep wire-format for MAC computations. */
unsigned char *buf; /* Memory buffer enclosing the record content */ unsigned char *buf; /* Memory buffer enclosing the record content */
size_t buf_len; /* Buffer length */ size_t buf_len; /* Buffer length */