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mbedtls/library
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Hanno Becker 1292c35c03 Add config.h option to hardcode choice of single MD algorithm 
This commit introduces the configuration option

  MBEDTLS_MD_SINGLE_HASH

which can be used to hardcode support for a single digest algorithm
at compile-time, at the benefit of reduced code-size.

To use, it needs to be defined to evaluate to a macro of the form
MBEDTLS_MD_INFO_{DIGEST}, and macros MBEDTLS_MD_INFO_{DIGEST}_FIELD
must be defined, giving rise to the various aspects (name, type,
size, ...) of the chosen digest algorithm. MBEDTLS_MD_INFO_SHA256
provides an example, but other algorithms can be added if needed.

At the moment, the effect of using MBEDTLS_MD_SINGLE_HASH is that
the implementation of the MD API (e.g. mbedtls_md_update()) need no
longer to through the abstraction of the mbedtls_md_info structures
by calling their corresponding function pointers fields (akin to
virtual functions in C++), but the directly call the corresponding
core digest function (such as mbedtls_sha256_update()).

Therefore, MBEDTLS_MD_SINGLE_HASH so far removes the second layer
of indirection in the chain

  User calls MD API -> MD API calls underlying digest impl'n
                    -> Core digest impl'n does the actual work,

but the first indirection remains, as the MD API remains untouched
and cannot yet be inlined. Studying to what extend inlining the
shortened MD API implementations would lead to further code-savings
is left for a later commit.
2019-09-09 09:45:57 +01:00
..
.gitignore
aes.c Add further missing brackets around macro parameters 2019-04-24 10:52:45 +02:00
aesni.c Warn if using a memory sanitizer on AESNI 2018-04-05 15:37:38 +02:00
arc4.c Rename mbedtls_zeroize to mbedtls_platform_zeroize 2018-04-17 10:00:21 -05:00
aria.c Implement parameter validation for ARIA module 2018-12-19 12:51:00 +00:00
asn1parse.c [FIXUP] Fix bug in ASN.1 traversal of silently ignored tag 2019-06-25 10:41:34 +01:00
asn1write.c Fix ASN1 bitstring writing 2019-02-11 21:13:33 +00:00
base64.c Add comment to integer overflow fix in base64.c 2017-02-15 23:31:07 +02:00
bignum.c Consistently use (type *) instead of (type*) for pointer conversion 2019-06-25 09:10:57 +01:00
blowfish.c Implement parameter validation for Blowfish module 2018-12-19 12:52:59 +00:00
camellia.c Minor improvements to Camellia module and documentation 2018-12-19 13:42:05 +00:00
ccm.c Improve macro hygiene 2019-04-24 10:51:54 +02:00
certs.c Fixup certs.c: Remove redundant TinyCrypt guard 2019-09-04 16:19:49 +01:00
chacha20.c Improve macro hygiene 2019-04-24 10:51:54 +02:00
chachapoly.c Fix wrong conditional in free() functions 2018-12-18 15:30:30 +00:00
cipher.c Consistently use (type *) instead of (type*) for pointer conversion 2019-06-25 09:10:57 +01:00
cipher_wrap.c Consistently use (type *) instead of (type*) for pointer conversion 2019-06-25 09:10:57 +01:00
cmac.c Merge remote-tracking branch 'public/pr/1390' into development 2018-06-27 10:51:47 +01:00
CMakeLists.txt Inline md_wrap.c in md.c 2019-09-09 09:45:57 +01:00
ctr_drbg.c Streamline mbedtls_xxx_drbg_update_seed_file 2018-11-26 19:26:22 +01:00
debug.c Consistently use (type *) instead of (type*) for pointer conversion 2019-06-25 09:10:57 +01:00
des.c Improve macro hygiene 2019-04-24 10:51:54 +02:00
dhm.c Allow DHM self test to run without MBEDTLS_PEM_PARSE_C 2019-05-30 10:58:12 +01:00
ecdh.c Fix mbedtls_ecdh_get_params with new ECDH context 2019-02-22 12:51:51 +01:00
ecdsa.c Introduce MD handle type 2019-09-09 09:45:57 +01:00
ecjpake.c Introduce MD handle type 2019-09-09 09:45:57 +01:00
ecp.c Improve macro hygiene 2019-04-24 10:51:54 +02:00
ecp_curves.c Improve macro hygiene 2019-04-24 10:51:54 +02:00
entropy.c Rename mbedtls_zeroize to mbedtls_platform_zeroize 2018-04-17 10:00:21 -05:00
entropy_poll.c Add missing bracket 2018-11-06 13:12:47 +00:00
error.c Merge branch 'mbedtls-2.16' into baremetal-2.16-01_07_19 2019-07-01 11:25:42 +01:00
gcm.c Improve parameter validation in mbedtls_gcm_free() 2018-12-19 17:32:19 +01:00
havege.c Prevent building the HAVEGE module on platforms where it doesn't work 2019-06-17 15:12:51 +02:00
hkdf.c Introduce MD handle type 2019-09-09 09:45:57 +01:00
hmac_drbg.c Introduce getter for MD handle from MD context 2019-09-09 09:45:57 +01:00
Makefile Inline md_wrap.c in md.c 2019-09-09 09:45:57 +01:00
md.c Add config.h option to hardcode choice of single MD algorithm 2019-09-09 09:45:57 +01:00
md2.c Rename mbedtls_zeroize to mbedtls_platform_zeroize 2018-04-17 10:00:21 -05:00
md4.c Add more missing parentheses around macro parameters 2019-04-24 10:52:53 +02:00
md5.c Add further missing brackets around macro parameters 2019-04-24 10:52:45 +02:00
memory_buffer_alloc.c Fix braces in mbedtls_memory_buffer_alloc_status() 2018-06-12 16:56:04 +01:00
net_sockets.c Merge remote-tracking branch 'restricted/pr/608' into baremetal-proposed 2019-07-03 10:31:46 +02:00
nist_kw.c Remove faulty cipher_finish calls from nist_kw 2018-12-20 12:15:40 +01:00
oid.c Fixup: Add missing TinyCrypt guards 2019-09-04 16:17:45 +01:00
padlock.c
pem.c Clear pk context and other minor changes in *_free() procedures 2018-06-12 18:25:09 +03:00
pk.c Introduce MD handle type 2019-09-09 09:45:57 +01:00
pk_wrap.c Fixup TinyCrypt PK wrap: Check TinyCrypt signature return code 2019-09-04 16:19:49 +01:00
pkcs5.c Introduce getter for MD handle from MD context 2019-09-09 09:45:57 +01:00
pkcs11.c Introduce MD handle type 2019-09-09 09:45:57 +01:00
pkcs12.c Introduce MD handle type 2019-09-09 09:45:57 +01:00
pkparse.c Fixup TinyCrypt PK parse: Correct function name in comment 2019-09-04 16:19:49 +01:00
pkwrite.c Fixup: Add missing TinyCrypt guards 2019-09-04 16:17:45 +01:00
platform.c Omit runtime configuration of calloc/free if macro config enabled 2018-10-11 11:04:20 +01:00
platform_util.c Remove the library provided function of MBEDTLS_PARAM_FAILED 2018-12-11 12:28:56 +01:00
poly1305.c Improve macro hygiene 2019-04-24 10:51:54 +02:00
ripemd160.c Improve macro hygiene 2019-04-24 10:51:54 +02:00
rsa.c Introduce getter for MD handle from MD context 2019-09-09 09:45:57 +01:00
rsa_internal.c Bignum: Deprecate mbedtls_mpi_is_prime() 2018-10-09 16:36:53 +01:00
sha1.c Add further missing brackets around macro parameters 2019-04-24 10:52:45 +02:00
sha256.c Completely ignore is224 if SHA-224 is disabled 2019-09-09 10:21:30 +02:00
sha512.c Add more missing parentheses around macro parameters 2019-04-24 10:52:53 +02:00
ssl_cache.c Remove compression field from SSL session if compression disabled 2019-08-01 10:11:20 +02:00
ssl_ciphersuites.c Fixup: Add missing TinyCrypt guards 2019-09-04 16:17:45 +01:00
ssl_cli.c TinyCrypt ECDHE-PSK: Implement ClientKeyExchange writing 2019-09-04 16:19:49 +01:00
ssl_cookie.c Remove dependency of ssl_cookie on SHA-224 2019-09-09 10:21:30 +02:00
ssl_srv.c TinyCrypt ECDHE-PSK: Implement CliKeyExchange parsing 2019-09-04 16:19:49 +01:00
ssl_ticket.c Move session save/load function to ssl_tls.c 2019-06-03 09:51:08 +02:00
ssl_tls.c Introduce MD handle type 2019-09-09 09:45:57 +01:00
threading.c Don't declare and define gmtime()-mutex on Windows platforms 2018-09-06 12:09:56 +01:00
timing.c timing: Remove redundant include file 2019-06-20 16:33:02 +01:00
version.c Fix missing void argument declarations #678 2016-11-04 23:05:56 +01:00
version_features.c Add MBEDTLS_SHA256_NO_SHA244 option (unimplemented) 2019-09-09 09:06:56 +02:00
x509.c Introduce MD handle type 2019-09-09 09:45:57 +01:00
x509_create.c Move declarations of internal X.509 functions to separate header 2019-06-25 09:10:57 +01:00
x509_crl.c Move declarations of internal X.509 functions to separate header 2019-06-25 09:10:57 +01:00
x509_crt.c Introduce MD handle type 2019-09-09 09:45:57 +01:00
x509_csr.c Move declarations of internal X.509 functions to separate header 2019-06-25 09:10:57 +01:00
x509write_crt.c Move declarations of internal X.509 functions to separate header 2019-06-25 09:10:57 +01:00
x509write_csr.c Move declarations of internal X.509 functions to separate header 2019-06-25 09:10:57 +01:00
xtea.c Rename mbedtls_zeroize to mbedtls_platform_zeroize 2018-04-17 10:00:21 -05:00