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Add public API for tls_prf

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Add a public API for key derivation, introducing an enum for `tls_prf`
type.
This commit is contained in:
Ron Eldor 2019-05-12 14:54:30 +03:00
parent b7fd64ce2b
commit 51d3ab544f
5 changed files with 164 additions and 60 deletions
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8
include/mbedtls/ssl_internal.h
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@ -276,6 +276,10 @@ struct mbedtls_ssl_sig_hash_set_t
#endif /* MBEDTLS_SSL_PROTO_TLS1_2 &&
MBEDTLS_KEY_EXCHANGE__WITH_CERT__ENABLED */
typedef int mbedtls_ssl_tls_prf_cb( const unsigned char *secret, size_t slen,
const char *label,
const unsigned char *random, size_t rlen,
unsigned char *dstbuf, size_t dlen );
/*
* This structure contains the parameters only needed during handshake.
*/
@ -425,9 +429,7 @@ struct mbedtls_ssl_handshake_params
void (*update_checksum)(mbedtls_ssl_context *, const unsigned char *, size_t);
void (*calc_verify)(mbedtls_ssl_context *, unsigned char *);
void (*calc_finished)(mbedtls_ssl_context *, unsigned char *, int);
int (*tls_prf)(const unsigned char *, size_t, const char *,
const unsigned char *, size_t,
unsigned char *, size_t);
mbedtls_ssl_tls_prf_cb *tls_prf;
mbedtls_ssl_ciphersuite_t const *ciphersuite_info;