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mbedtls/include/mbedtls
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Janos Follath 867a3abff5 Change mbedtls_mpi_cmp_mpi_ct to check less than 
The signature of mbedtls_mpi_cmp_mpi_ct() meant to support using it in
place of mbedtls_mpi_cmp_mpi(). This meant full comparison functionality
and a signed result.

To make the function more universal and friendly to constant time
coding, we change the result type to unsigned. Theoretically, we could
encode the comparison result in an unsigned value, but it would be less
intuitive.

Therefore we won't be able to represent the result as unsigned anymore
and the functionality will be constrained to checking if the first
operand is less than the second. This is sufficient to support the
current use case and to check any relationship between MPIs.

The only drawback is that we need to call the function twice when
checking for equality, but this can be optimised later if an when it is
needed.
2019-11-11 12:32:12 +00:00
..
aes.h Merge remote-tracking branch 'public/pr/975' into mbedtls-2.16 2019-01-08 16:34:19 +00:00
aesni.h Merge remote-tracking branch 'origin/pr/1375' into mbedtls-2.16 2019-01-30 16:09:08 +00:00
arc4.h Merge remote-tracking branch 'public/pr/975' into mbedtls-2.16 2019-01-08 16:34:19 +00:00
aria.h Leave behaviour on NULL input unspecified in ARIA 2018-12-19 12:51:00 +00:00
asn1.h Merge remote-tracking branch 'upstream-restricted/pr/398' into development-restricted-proposed 2018-03-13 17:18:06 +01:00
asn1write.h Improve macro hygiene 2019-04-24 10:51:54 +02:00
base64.h Merge remote-tracking branch 'origin/pr/1375' into mbedtls-2.16 2019-01-30 16:09:08 +00:00
bignum.h Change mbedtls_mpi_cmp_mpi_ct to check less than 2019-11-11 12:32:12 +00:00
blowfish.h Minor Blowfish documentation improvements 2018-12-19 15:48:37 +00:00
bn_mul.h bn_mul.h: require at least ARMv6 to enable the ARM DSP code 2019-08-03 14:22:32 +02:00
camellia.h Merge remote-tracking branch 'public/pr/975' into mbedtls-2.16 2019-01-08 16:34:19 +00:00
ccm.h Merge remote-tracking branch 'origin/pr/1375' into mbedtls-2.16 2019-01-30 16:09:08 +00:00
certs.h Document origin of hardcoded certificates in library/certs.c 2019-05-30 10:27:49 +01:00
chacha20.h Minor improvements to ChaCha20/Poly1305/ChaChaPoly documentation 2018-12-18 15:30:30 +00:00
chachapoly.h Minor improvements to ChaCha20/Poly1305/ChaChaPoly documentation 2018-12-18 15:30:30 +00:00
check_config.h Add cfg dep MBEDTLS_MEMORY_DEBUG->MBEDTLS_MEMORY_BUFFER_ALLOC_C 2019-09-09 05:28:13 -04:00
cipher.h Fix include file path 2018-12-28 11:11:10 +08:00
cipher_internal.h Move definition to cipher.h 2018-07-01 10:22:53 +03:00
cmac.h Include configuration file to headers 2018-12-16 12:02:50 +02:00
compat-1.3.h Include configuration file to headers 2018-12-16 12:02:50 +02:00
config.h Add a note about CTR_DRBG security strength to config.h 2019-10-04 11:21:25 +02:00
ctr_drbg.h mbedtls_ctr_drbg_set_entropy_len() only matters when reseeding 2019-10-04 18:25:05 +02:00
debug.h Debug: Add functions for ECDH contexts 2018-12-06 12:22:46 +00:00
des.h Merge remote-tracking branch 'public/pr/975' into mbedtls-2.16 2019-01-08 16:34:19 +00:00
dhm.h Merge remote-tracking branch 'public/pr/975' into mbedtls-2.16 2019-01-08 16:34:19 +00:00
ecdh.h Merge remote-tracking branch 'origin/pr/1375' into mbedtls-2.16 2019-01-30 16:09:08 +00:00
ecdsa.h Add a safer deterministic ECDSA function 2019-03-06 14:41:44 +00:00
ecjpake.h Merge remote-tracking branch 'origin/pr/1375' into mbedtls-2.16 2019-01-30 16:09:08 +00:00
ecp.h Fix typo in documentation 2019-02-21 16:58:20 +01:00
ecp_internal.h Include configuration file to headers 2018-12-16 12:02:50 +02:00
entropy.h Allow to forward declare of public structs #1215 2018-07-24 10:02:47 +02:00
entropy_poll.h Update Doxygen file blocks to remove copyright and license information 2018-01-23 15:44:39 +00:00
error.h Merge remote-tracking branch 'origin/pr/1375' into mbedtls-2.16 2019-01-30 16:09:08 +00:00
gcm.h Merge remote-tracking branch 'origin/pr/1375' into mbedtls-2.16 2019-01-30 16:09:08 +00:00
havege.h Include configuration file for all headers 2018-12-16 12:14:37 +02:00
hkdf.h Fix the license header of hkdf 2019-07-31 14:04:38 +03:00
hmac_drbg.h mbedtls_hmac_drbg_set_entropy_len() only matters when reseeding 2019-10-04 18:28:51 +02:00
md.h Deprecate hardware acceleration errors 2018-11-09 15:01:07 +00:00
md2.h Merge remote-tracking branch 'public/pr/975' into mbedtls-2.16 2019-01-08 16:34:19 +00:00
md4.h Merge remote-tracking branch 'public/pr/975' into mbedtls-2.16 2019-01-08 16:34:19 +00:00
md5.h Merge remote-tracking branch 'public/pr/975' into mbedtls-2.16 2019-01-08 16:34:19 +00:00
md_internal.h Merge remote-tracking branch 'upstream-public/pr/1294' into development 2018-01-25 14:47:39 +00:00
memory_buffer_alloc.h Update Doxygen file blocks to remove copyright and license information 2018-01-23 15:44:39 +00:00
net.h Include configuration file to headers 2018-12-16 12:02:50 +02:00
net_sockets.h Merge remote-tracking branch 'upstream-public/pr/1861' into development 2018-08-10 11:17:14 +01:00
nist_kw.h Include configuration file for all headers 2018-12-16 12:14:37 +02:00
oid.h Merge remote-tracking branch 'upstream-public/pr/1861' into development 2018-08-10 11:17:14 +01:00
padlock.h Improve macro hygiene 2019-04-24 10:51:54 +02:00
pem.h Include configuration file to headers 2018-12-16 12:02:50 +02:00
pk.h Add documentation notes about the required size of the signature buffers 2019-06-06 13:13:54 +02:00
pk_internal.h Merge branch 'development' into iotssl-1260-non-blocking-ecc-restricted 2018-06-13 09:52:54 +02:00
pkcs5.h Merge remote-tracking branch 'origin/pr/1375' into mbedtls-2.16 2019-01-30 16:09:08 +00:00
pkcs11.h Allow to forward declare of public structs #1215 2018-07-24 10:02:47 +02:00
pkcs12.h Include configuration file for all headers 2018-12-16 12:14:37 +02:00
platform.h Add common feature unavailable error 2018-11-09 13:57:37 +00:00
platform_time.h Update Doxygen file blocks to remove copyright and license information 2018-01-23 15:44:39 +00:00
platform_util.h Make it easier to define MBEDTLS_PARAM_FAILED as assert 2019-06-17 19:07:42 +02:00
poly1305.h Fix include file path 2018-12-28 11:11:10 +08:00
ripemd160.h Merge remote-tracking branch 'public/pr/975' into mbedtls-2.16 2019-01-08 16:34:19 +00:00
rsa.h Merge remote-tracking branch 'restricted/pr/582' into mbedtls-2.16-restricted 2019-06-24 11:40:59 +01:00
rsa_internal.h Merge remote-tracking branch 'upstream-public/pr/1457' into development-proposed 2018-04-04 09:19:27 +02:00
sha1.h Merge remote-tracking branch 'public/pr/975' into mbedtls-2.16 2019-01-08 16:34:19 +00:00
sha256.h Merge remote-tracking branch 'public/pr/975' into mbedtls-2.16 2019-01-08 16:34:19 +00:00
sha512.h Merge remote-tracking branch 'public/pr/975' into mbedtls-2.16 2019-01-08 16:34:19 +00:00
ssl.h Merge remote-tracking branch 'origin/pr/2450' into mbedtls-2.16 2019-06-21 15:59:29 +01:00
ssl_cache.h Include configuration file for all headers 2018-12-16 12:14:37 +02:00
ssl_ciphersuites.h Include configuration file to headers 2018-12-16 12:02:50 +02:00
ssl_cookie.h Include configuration file to headers 2018-12-16 12:02:50 +02:00
ssl_internal.h Include configuration file to headers 2018-12-16 12:02:50 +02:00
ssl_ticket.h Fix #2370, minor typos and spelling mistakes 2019-02-18 14:50:57 +00:00
threading.h Deprecate hardware acceleration errors 2018-11-09 15:01:07 +00:00
timing.h Allow to forward declare of public structs #1215 2018-07-24 10:02:47 +02:00
version.h Bump version to Mbed TLS 2.16.3 2019-09-06 13:27:00 +01:00
x509.h Fix #2370, minor typos and spelling mistakes 2019-02-18 14:50:57 +00:00
x509_crl.h Fix #2370, minor typos and spelling mistakes 2019-02-18 14:50:57 +00:00
x509_crt.h Improve macro hygiene 2019-04-24 10:51:54 +02:00
x509_csr.h Improve docs for ASN.1 bitstrings and their usage 2019-02-11 21:25:09 +00:00
xtea.h Merge remote-tracking branch 'public/pr/975' into mbedtls-2.16 2019-01-08 16:34:19 +00:00