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d5cfe6fbd0
This commit changes the internal identifiers
MBEDTLS_SSL_MINOR_VERSION_XXX
in DTLS-only builds to match the version encoding used by the
DTLS standard, encoding DTLS 1.0 as 255 and DTLS 1.2 as DTLS 1.0.
Accordingly, the version comparison functions introduced in the
previous commit must be re-implemented, as older version have
_larger_ identifiers now.
Further, since we identify DTLS 1.0 as MBEDTLS_SSL_MINOR_VERSION_2
and DTLS 1.2 as MBEDTLS_SSL_MINOR_VERSION_3, what remains is to
define MBEDTLS_SSL_MINOR_VERSION_{0|1}. While these don't have any
meaning meaning in DTLS, they still need to be set and obey the
ordering in the sense that the version comparison functions '<='
should attest that
MBEDTLS_SSL_MINOR_VERSION_i '<=' MBEDTLS_SSL_MINOR_VERSION_j
for i <= j. Since '<=' is actually >= and the wire format value
for DTLS 1.0 == MBEDTLS_SSL_MINOR_VERSION_2 is the 255, this
forces us to use values beyond 255, and hence to extend the
storage type for minor versions from uint8_t to uint16_t.
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| .. | ||
| mbedtls | ||
| tinycrypt | ||
| .gitignore | ||
| CMakeLists.txt | ||