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afc2717e84
mbedtls/library
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Doru Gucea afc2717e84 Avoid stack-allocation of large memory buffers 
Using a stack-buffer with a size > 2K could easily produce a stack
overflow for an embedded device which has a limited stack size.
This commit dynamically allocates the large CSR buffer.

This commit avoids using a temporary buffer for storing the OIDs.
A single buffer is used:
a) OIDs are written backwards starting with the end of the buffer;
b) OIDs are memmove'd to the beginning of the buffer;
c) signature over this OIDs is computed and written backwards from the
end of the buffer;
d) the two memory regions are compacted.

Signed-off-by: Doru Gucea <doru-cristian.gucea@nxp.com>
2020-07-10 18:19:23 +00:00
..
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CMakeLists.txt Bump version to Mbed TLS 2.16.7 2020-06-26 12:35:53 +01:00
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ecp.c Merge branch 'mbedtls-2.16-restricted' into mbedtls-2.16.7r0 2020-06-25 09:19:21 +01:00
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Makefile Fix #2370, minor typos and spelling mistakes 2019-02-18 14:50:57 +00:00
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ssl_tls.c Merge branch 'mbedtls-2.16-restricted' into mbedtls-2.16.7r0 2020-06-25 09:19:21 +01:00
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x509write_csr.c Avoid stack-allocation of large memory buffers 2020-07-10 18:19:23 +00:00
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