commit 2a68899a63df66f68b63c45c33909dcd764703ff
author Tamas Ban <tamas.ban@arm.com> Fri May 10 10:39:15 2019 +0100
committer Tamas Ban <tamas.ban@arm.com> Fri May 24 13:56:36 2019 +0000
tree b10f52fc3ad2be8f0b7b7ad5f085dbb4d60c7065
parent 2ed30222a7bee85ed315cd7dbdab0aeccc4c079b

Crypto: Increase the buffer size for memory allocation

Increase the size of static buffer to 8KB which is used by
Mbed Crypto to dynamically allocate memory. It is required
due to the ECDSA (NIST P-256) signing of initial attestation
token.

Change-Id: I22d916140b0b65fc590de545cf7a086de0acb5cb
Signed-off-by: Tamas Ban <tamas.ban@arm.com>

secure_fw/services/crypto/crypto_init.c

diff --git a/secure_fw/services/crypto/crypto_init.c b/secure_fw/services/crypto/crypto_init.c
index e68090b..73574c8 100644
--- a/secure_fw/services/crypto/crypto_init.c
+++ b/secure_fw/services/crypto/crypto_init.c
@@ -241,7 +241,7 @@
  *        Crypto for its dynamic allocations
  */
 #ifndef TFM_CRYPTO_ENGINE_BUF_SIZE
-#define TFM_CRYPTO_ENGINE_BUF_SIZE (1024)
+#define TFM_CRYPTO_ENGINE_BUF_SIZE (0x2000) /* 8KB for EC signing in attest */
 #endif
 
 /**