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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aes.c

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aesni.c

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arc4.c

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aria.c

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asn1parse.c

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asn1write.c

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base64.c

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bignum.c

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blowfish.c

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camellia.c

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ccm.c

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certs.c

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chacha20.c

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chachapoly.c

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cipher_wrap.c

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cipher.c

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cmac.c

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CMakeLists.txt

Bump version to Mbed TLS 2.16.7

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ctr_drbg.c

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debug.c

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des.c

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dhm.c

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ecdh.c

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ecdsa.c

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ecjpake.c

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ecp_curves.c

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ecp.c

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entropy_poll.c

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entropy.c

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error.c

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gcm.c

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havege.c

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hkdf.c

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hmac_drbg.c

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Makefile

Fix #2370, minor typos and spelling mistakes

2019-02-18 14:50:57 +00:00

md2.c

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md4.c

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md5.c

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md_wrap.c

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md.c

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memory_buffer_alloc.c

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net_sockets.c

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nist_kw.c

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oid.c

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padlock.c

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pem.c

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pk_wrap.c

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pk.c

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pkcs5.c

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pkcs11.c

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pkcs12.c

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pkparse.c

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pkwrite.c

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platform_util.c

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platform.c

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poly1305.c

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ripemd160.c

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rsa_internal.c

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rsa.c

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sha1.c

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sha256.c

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sha512.c

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ssl_cache.c

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ssl_ciphersuites.c

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ssl_cli.c

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ssl_cookie.c

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ssl_srv.c

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ssl_ticket.c

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ssl_tls.c

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threading.c

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timing.c

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version_features.c

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version.c

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x509_create.c

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x509_crl.c

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x509_crt.c

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x509_csr.c

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x509.c

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x509write_crt.c

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x509write_csr.c

Avoid stack-allocation of large memory buffers

2020-07-10 18:19:23 +00:00

xtea.c

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