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author | davidcunado-arm <david.cunado@arm.com> | 2017-05-30 10:56:47 +0100 |
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committer | GitHub <noreply@github.com> | 2017-05-30 10:56:47 +0100 |
commit | 572e14132706377530ea9f9ba4cd1fcb4b2b9479 (patch) | |
tree | af982ccc1159c358c3b3475eb2621f277ed322da /docs | |
parent | 562aef8e2f69907a888c6e053d868b360d1dd4b3 (diff) | |
parent | d77b98cabf228b277af2bc5e5ea9c4b221a6cd7b (diff) |
Merge pull request #949 from antonio-nino-diaz-arm/an/printf-memory
Reduce code size when building with Trusted Board Boot enabled
Diffstat (limited to 'docs')
-rw-r--r-- | docs/auth-framework.md | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/docs/auth-framework.md b/docs/auth-framework.md index 531505bf..b416acfc 100644 --- a/docs/auth-framework.md +++ b/docs/auth-framework.md @@ -909,9 +909,13 @@ int verify_hash(void *data_ptr, unsigned int data_len, ``` The key algorithm (rsa, ecdsa) must be specified in the build system using the -`MBEDTLS_KEY_ALG` variable, so the Makefile can include the corresponding +`TF_MBEDTLS_KEY_ALG` variable, so the Makefile can include the corresponding sources in the build. +Note: If code size is a concern, the build option `MBEDTLS_SHA256_SMALLER` can +be defined in the platform Makefile. It will make mbed TLS use an implementation +of SHA-256 with smaller memory footprint (~1.5 KB less) but slower (~30%). + - - - - - - - - - - - - - - - - - - - - - - - - - - _Copyright (c) 2015, ARM Limited and Contributors. All rights reserved._ |