Unify parsing of the signature algorithms extension in TLS 1.2 and TLS 1.3
CI ABI API check job failure is expected as the PR do some changes in ssl_misc.h.
@RcColes if you eventually want to request some changes, they can be done in a follow-up PR.
Rename local variables and to simplify things use static_assert to
determine if the default signiture algorithms are not fit into the
SSL handshake structure.
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
Rename `mbedtls_ssl_sig_hash_set_find` function to a suitable name
and rewrite to operate TLS signature algorithm identifiers.
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
Introduce a new macro MBEDTLS_TLS_SIG_NONE for invalid signiture algorithm.
It is intended to use in common code of TLS 1.2 and 1.3.
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
Several call sites flagged by Coverity that may potentially cause
a pointer argument to be NULL.
In two cases the issue is using a function call as a parameter to
a second function, where the first function may return NULL, while
the second function does not check for the NULL argument value.
Remaining case is when static configuration is mixed with run-time
decision, that could result in a data buffer argument being NULL.
Signed-off-by: Leonid Rozenboim <leonid.rozenboim@oracle.com>
Overly restrictive protocol version negotiation checks might be
"version intolerant". TLS 1.3 and DTLS 1.3 move the version to
the "supported_versions" ClientHello extension.
Signed-off-by: Glenn Strauss <gstrauss@gluelogic.com>
remove use of MBEDTLS_SSL_MINOR_VERSION_*
remove use of MBEDTLS_SSL_MAJOR_VERSION_*
(only remaining use is in tests/suites/test_suite_ssl.data)
Signed-off-by: Glenn Strauss <gstrauss@gluelogic.com>
Store the TLS version in tls_version instead of major, minor version num
Note: existing application use which accesses the struct member
(using MBEDTLS_PRIVATE) is not compatible, as the struct is now smaller.
Reduce size of mbedtls_ssl_ciphersuite_t
members are defined using integral types instead of enums in
order to pack structure and reduce memory usage by internal
ciphersuite_definitions[]
Signed-off-by: Glenn Strauss <gstrauss@gluelogic.com>
Store the TLS version instead of minor version number in tls_version.
Note: struct member size changed from unsigned char to uint16_t
Due to standard structure padding, the structure size does not change
unless alignment is 1-byte (instead of 2-byte or more)
Note: existing application use which accesses the struct member
(using MBEDTLS_PRIVATE) is compatible on little-endian platforms,
but not compatible on big-endian platforms. The enum values for
the lower byte of MBEDTLS_SSL_VERSION_TLS1_2 and of
MBEDTLS_SSL_VERSION_TLS1_3 matches MBEDTLS_SSL_MINOR_VERSION_3 and
MBEDTLS_SSL_MINOR_VERSION_4, respectively.
Note: care has been taken to preserve serialized session format,
which uses only the lower byte of the TLS version.
Signed-off-by: Glenn Strauss <gstrauss@gluelogic.com>
