Manuel Pégourié-Gonnard 72177e362b Add fall-back to hash-based KDF for internal ECP DRBG ... The dependency on a DRBG module was perhaps a bit strict for LTS branches, so let's have an option that works with no DRBG when at least one SHA module is present. This changes the internal API of ecp_drbg_seed() by adding the size of the MPI as a parameter. Re-computing the size from the number of limbs doesn't work too well here as we're writing out to a fixed-size buffer and for some curves (P-521) that would round up too much. Using mbedtls_mpi_get_len() is not entirely satisfactory either as it would mean using a variable-length encoding, with could open side channels. Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>		2020-06-16 12:51:42 +02:00
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mbedtls	Add fall-back to hash-based KDF for internal ECP DRBG	2020-06-16 12:51:42 +02:00
.gitignore	Rename include directory to mbedtls	2015-03-10 11:23:56 +00:00
CMakeLists.txt	Create link to include/mbedtls only when testing is enabled	2019-05-27 15:58:36 +08:00