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Add accessors for ciphersuite info

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Signed-off-by: Glenn Strauss <gstrauss@gluelogic.com>
This commit is contained in:
Glenn Strauss 2022-01-13 00:04:49 -05:00
parent dfc5c7117e
commit 8f52690956
5 changed files with 40 additions and 0 deletions
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3
ChangeLog.d/mbedtls_ssl_get_ciphersuite_id.txt Normal file
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@ -0,0 +1,3 @@
Features
* Add accessor to obtain ciphersuite id from ssl context.
* Add accessors to get members from ciphersuite info.

9
include/mbedtls/ssl.h
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@ -3888,6 +3888,15 @@ size_t mbedtls_ssl_get_bytes_avail( const mbedtls_ssl_context *ssl );
*/
uint32_t mbedtls_ssl_get_verify_result( const mbedtls_ssl_context *ssl );
/**
* \brief Return the id of the current ciphersuite
*
* \param ssl SSL context
*
* \return a ciphersuite id
*/
int mbedtls_ssl_get_ciphersuite_id_from_ssl( const mbedtls_ssl_context *ssl );
/**
* \brief Return the name of the current ciphersuite
*

7
include/mbedtls/ssl_ciphersuites.h
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@ -394,6 +394,13 @@ mbedtls_pk_type_t mbedtls_ssl_get_ciphersuite_sig_alg( const mbedtls_ssl_ciphers
int mbedtls_ssl_ciphersuite_uses_ec( const mbedtls_ssl_ciphersuite_t *info );
int mbedtls_ssl_ciphersuite_uses_psk( const mbedtls_ssl_ciphersuite_t *info );
static inline const char *mbedtls_ssl_ciphersuite_get_name( const mbedtls_ssl_ciphersuite_t *info )
{
return info->MBEDTLS_PRIVATE(name);
}
size_t mbedtls_ssl_ciphersuite_get_cipher_key_bitlen( const mbedtls_ssl_ciphersuite_t *info );
#if defined(MBEDTLS_KEY_EXCHANGE_SOME_PFS_ENABLED)
static inline int mbedtls_ssl_ciphersuite_has_pfs( const mbedtls_ssl_ciphersuite_t *info )
{

13
library/ssl_ciphersuites.c
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@ -2064,6 +2064,19 @@ int mbedtls_ssl_get_ciphersuite_id( const char *ciphersuite_name )
return( cur->id );
}
size_t mbedtls_ssl_ciphersuite_get_cipher_key_bitlen( const mbedtls_ssl_ciphersuite_t *info )
{
#if defined(MBEDTLS_CIPHER_C)
const mbedtls_cipher_info_t * const cipher_info =
mbedtls_cipher_info_from_type( info->cipher );
return( mbedtls_cipher_info_get_key_bitlen( cipher_info ) );
#else
(void)info;
return( 0 );
#endif
}
#if defined(MBEDTLS_PK_C)
mbedtls_pk_type_t mbedtls_ssl_get_ciphersuite_sig_pk_alg( const mbedtls_ssl_ciphersuite_t *info )
{

8
library/ssl_tls.c
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@ -4358,6 +4358,14 @@ uint32_t mbedtls_ssl_get_verify_result( const mbedtls_ssl_context *ssl )
return( 0xFFFFFFFF );
}
int mbedtls_ssl_get_ciphersuite_id_from_ssl( const mbedtls_ssl_context *ssl )
{
if( ssl == NULL || ssl->session == NULL )
return( 0 );
return( ssl->session->ciphersuite );
}
const char *mbedtls_ssl_get_ciphersuite( const mbedtls_ssl_context *ssl )
{
if( ssl == NULL || ssl->session == NULL )