core: move CFG_CORE_BIGNUM_MAX_BITS default definition

Move CFG_CORE_BIGNUM_MAX_BITS definition to mk/crypto.mk to allow crypto drivers to override the default value. Signed-off-by: Clement Faure <[email protected]> Acked-by: Jens Wiklander <[email protected]>
ihalip · Feb 21, 2024 · f8388fd · f8388fd
1 parent 9e35f11
commit f8388fd
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Showing 2 changed files with 7 additions and 7 deletions.
diff --git a/core/crypto.mk b/core/crypto.mk
@@ -79,6 +79,13 @@ endif
 # Otherwise, you need to implement hw_get_random_bytes() for your platform
 CFG_WITH_SOFTWARE_PRNG ?= y
 
+# Define the maximum size, in bits, for big numbers in the TEE core (privileged
+# layer).
+# This value is an upper limit for the key size in any cryptographic algorithm
+# implemented by the TEE core.
+# Set this to a lower value to reduce the memory footprint.
+CFG_CORE_BIGNUM_MAX_BITS ?= 4096
+
 ifeq ($(CFG_WITH_PAGER),y)
 ifneq ($(CFG_CRYPTO_SHA256),y)
 $(warning Warning: Enabling CFG_CRYPTO_SHA256 [required by CFG_WITH_PAGER])

diff --git a/mk/config.mk b/mk/config.mk
@@ -703,13 +703,6 @@ CFG_CORE_LARGE_PHYS_ADDR ?= n
 # Set this to a lower value to reduce the TA memory footprint.
 CFG_TA_BIGNUM_MAX_BITS ?= 2048
 
-# Define the maximum size, in bits, for big numbers in the TEE core (privileged
-# layer).
-# This value is an upper limit for the key size in any cryptographic algorithm
-# implemented by the TEE core.
-# Set this to a lower value to reduce the memory footprint.
-CFG_CORE_BIGNUM_MAX_BITS ?= 4096
-
 # Not used since libmpa was removed. Force the values to catch build scripts
 # that would set = n.
 $(call force,CFG_TA_MBEDTLS_MPI,y)