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Gilles Peskine ff6a32d79c Fix low-probability arithmetic error in ECC 
Fix the subtraction in fix_negative, which was incorrectly not looking
for a carry. This caused the result to be wrong when the least
significant limb of N was 0. Fix #4296.

The bug was introduced by d10e8fae9e30cac60297b1e1834002db183429e5
"Optimize fix_negative". Thanks to Philippe Antoine (catenacyber) for
reporting the bug which was found by his EC differential fuzzer.
Credit to OSS-Fuzz.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
2021-04-04 01:10:41 +02:00
..
.gitignore
Split libs with make + general make cleanups
2015-06-25 10:59:56 +02:00
aes.c
Merge pull request #3823 from gabor-mezei-arm/3818_MBEDTLS_AES_SETKEY_DEC_ALT_excludes_MBEDTLS_CIPHER_MODE_XTS
2020-11-09 20:44:08 +01:00
aesni.c
Update copyright notices to use Linux Foundation guidance
2020-08-19 10:35:41 +02:00
arc4.c
Update copyright notices to use Linux Foundation guidance
2020-08-19 10:35:41 +02:00
aria.c
Update copyright notices to use Linux Foundation guidance
2020-08-19 10:35:41 +02:00
asn1parse.c
Update copyright notices to use Linux Foundation guidance
2020-08-19 10:35:41 +02:00
asn1write.c
Update copyright notices to use Linux Foundation guidance
2020-08-19 10:35:41 +02:00
base64.c
Code style fixups
2021-03-04 14:34:50 +00:00
bignum.c
Fix and simplify sign handling in mbedtls_mpi_read_string
2021-04-04 01:10:07 +02:00
blowfish.c
Update copyright notices to use Linux Foundation guidance
2020-08-19 10:35:41 +02:00
camellia.c
Update copyright notices to use Linux Foundation guidance
2020-08-19 10:35:41 +02:00
ccm.c
Fix additional data length field check for CCM
2020-10-08 12:09:44 +02:00
certs.c
Update copyright notices to use Linux Foundation guidance
2020-08-19 10:35:41 +02:00
chacha20.c
Update copyright notices to use Linux Foundation guidance
2020-08-19 10:35:41 +02:00
chachapoly.c
Update copyright notices to use Linux Foundation guidance
2020-08-19 10:35:41 +02:00
check_crypto_config.h
psa: config: Add CAMELLIA to the list of possible CMAC ciphers
2021-03-25 14:25:46 +01:00
cipher_wrap.c
Do not set IV size for ECB mode ciphers
2020-11-06 09:40:21 +01:00
cipher.c
Fix unused param warnings in auth_xxcrypt_ext()
2020-12-07 10:42:21 +01:00
cmac.c
Update comment to only apply to AES-192
2021-01-29 11:09:50 +01:00
CMakeLists.txt
Rename MPS files library/mps/xxx.[ch] to library/mps_xxx.[ch]
2021-03-29 14:19:32 +01:00
common.h
Update copyright notices to use Linux Foundation guidance
2020-08-19 10:35:41 +02:00
ctr_drbg.c
Document mutex invariant for CTR_DRBG
2021-02-22 19:24:03 +01:00
debug.c
Declare mbedtls_debug_print_msg as printf-like
2021-03-10 17:00:32 +00:00
des.c
Update copyright notices to use Linux Foundation guidance
2020-08-19 10:35:41 +02:00
dhm.c
Merge development into development-restricted
2020-08-20 11:07:12 +01:00
ecdh.c
Update copyright notices to use Linux Foundation guidance
2020-08-19 10:35:41 +02:00
ecdsa.c
Fix unused argument when compiling with MBEDTLS_ECDSA_SIGN_ALT
2021-02-10 17:07:20 +01:00
ecjpake.c
Skip tests requiring known entropy for ECJPAKE ALT implementations
2021-01-22 14:23:08 +01:00
ecp_curves.c
Fix low-probability arithmetic error in ECC
2021-04-04 01:10:41 +02:00
ecp_invasive.h
Add unit tests for fix_negative
2021-04-04 01:10:41 +02:00
ecp.c
Create a header file for ECP internal functions
2021-04-04 01:10:41 +02:00
entropy_poll.c
Merge pull request #4110 from gilles-peskine-arm/psa-external-random-in-mbedtls
2021-02-22 14:47:29 +00:00
entropy.c
Merge pull request #3616 from militant-daos/bug_3175
2021-03-30 17:33:08 +02:00
error.c
Simplify conditional guards in error.c
2020-11-16 15:02:16 +01:00
gcm.c
Allow GCM selftest to skip non-12-byte IVs for ALT implementations
2021-02-10 15:34:52 +01:00
havege.c
Update copyright notices to use Linux Foundation guidance
2020-08-19 10:35:41 +02:00
hkdf.c
Update copyright notices to use Linux Foundation guidance
2020-08-19 10:35:41 +02:00
hmac_drbg.c
Document mutex invariant for HMAC_DRBG
2021-02-22 19:24:03 +01:00
Makefile
Adjust spacing for MPS reader entries in library/Makefile
2021-03-29 14:20:18 +01:00
md2.c
Merge branch 'development' into development-restricted
2020-12-03 09:59:42 +01:00
md4.c
Merge branch 'development' into development-restricted
2020-12-03 09:59:42 +01:00
md5.c
Merge branch 'development' into development-restricted
2020-12-03 09:59:42 +01:00
md.c
Fix wrong \file name in Doxygen comments
2021-02-23 20:29:38 +01:00
memory_buffer_alloc.c
Update copyright notices to use Linux Foundation guidance
2020-08-19 10:35:41 +02:00
mps_common.h
Fix Doxygen headers for MPS files
2021-03-29 14:20:18 +01:00
mps_error.h
Fix Doxygen headers for MPS files
2021-03-29 14:20:18 +01:00
mps_reader.c
Apply suggestions from code review
2021-03-29 14:20:18 +01:00
mps_reader.h
Fix Doxygen headers for MPS files
2021-03-29 14:20:18 +01:00
mps_trace.c
Put MPS under the umbrella of the TLS 1.3 experimental configuration
2021-03-29 14:20:18 +01:00
mps_trace.h
Fix Doxygen headers for MPS files
2021-03-29 14:20:18 +01:00
net_sockets.c
Fix sloppy wording around stricly less-than vs less or equal
2021-03-01 11:39:21 +01:00
nist_kw.c
Update copyright notices to use Linux Foundation guidance
2020-08-19 10:35:41 +02:00
oid.c
Update copyright notices to use Linux Foundation guidance
2020-08-19 10:35:41 +02:00
padlock.c
Update copyright notices to use Linux Foundation guidance
2020-08-19 10:35:41 +02:00
pem.c
Remove Extraneous bytes from buffer post pem write
2020-12-07 17:29:42 +00:00
pk_wrap.c
psa: Move from key handle to key identifier
2020-11-10 16:00:41 +01:00
pk.c
psa: Move from key handle to key identifier
2020-11-10 16:00:41 +01:00
pkcs5.c
Merge pull request #731 from gabor-mezei-arm/692_missing_zeroizations_of_sensitive_data
2020-09-18 16:20:13 +02:00
pkcs11.c
Update copyright notices to use Linux Foundation guidance
2020-08-19 10:35:41 +02:00
pkcs12.c
Update copyright notices to use Linux Foundation guidance
2020-08-19 10:35:41 +02:00
pkparse.c
fix return code
2020-09-22 11:57:16 +02:00
pkwrite.c
adding parentheses to macro definitions, to avoid confusion and possible mistakes in usage.
2021-02-01 14:26:08 +01:00
platform_util.c
Fixes two _POSIX_C_SOURCE typos.
2020-11-13 09:20:18 +00:00
platform.c
Update copyright notices to use Linux Foundation guidance
2020-08-19 10:35:41 +02:00
poly1305.c
Update copyright notices to use Linux Foundation guidance
2020-08-19 10:35:41 +02:00
psa_crypto_cipher.c
psa: cipher: Remove cipher_generate_iv driver entry point
2021-03-26 15:58:25 +01:00
psa_crypto_cipher.h
psa: cipher: Remove cipher_generate_iv driver entry point
2021-03-26 15:58:25 +01:00
psa_crypto_client.c
psa: Make sure MBEDTLS_PSA_CRYPTO_CLIENT is defined
2021-02-09 15:36:08 +01:00
psa_crypto_core.h
Move mbedtls_cipher_info_from_psa to psa_crypto_cipher.c
2021-03-26 15:48:13 +01:00
psa_crypto_driver_wrappers.c
psa: cipher: Remove cipher_generate_iv driver entry point
2021-03-26 15:58:25 +01:00
psa_crypto_driver_wrappers.h
psa: cipher: Remove cipher_generate_iv driver entry point
2021-03-26 15:58:25 +01:00
psa_crypto_ecp.c
Move mbedtls_md_info_from_psa into the mbedtls hash driver
2021-03-15 12:14:40 +01:00
psa_crypto_ecp.h
psa: Rework ECDSA sign/verify support in the transparent test driver
2021-02-18 15:45:12 +01:00
psa_crypto_hash.c
Simplify compilation guards around hash driver testing
2021-03-16 11:07:55 +01:00
psa_crypto_hash.h
Move mbedtls_md_info_from_psa into the mbedtls hash driver
2021-03-15 12:14:40 +01:00
psa_crypto_invasive.h
Rework MAC algorithm / key type validation
2021-03-03 19:58:02 +01:00
psa_crypto_its.h
Update documentation
2020-11-25 13:10:50 +01:00
psa_crypto_random_impl.h
Work around MSVC bug with duplicate static declarations
2021-02-16 18:55:05 +01:00
psa_crypto_rsa.c
Move mbedtls_md_info_from_psa into the mbedtls hash driver
2021-03-15 12:14:40 +01:00
psa_crypto_rsa.h
psa: Add RSA sign/verify hash support to the transparent test driver
2021-02-18 15:45:06 +01:00
psa_crypto_se.c
Update copyright notices to use Linux Foundation guidance
2020-08-19 10:35:41 +02:00
psa_crypto_se.h
Update documentation
2020-11-25 13:10:50 +01:00
psa_crypto_service_integration.h
Update copyright notices to use Linux Foundation guidance
2020-08-19 10:35:41 +02:00
psa_crypto_slot_management.c
Fix:4162 Return correct error type for invalid key
2021-03-17 13:41:07 +00:00
psa_crypto_slot_management.h
Rename PSA_KEY_SLOT_COUNT to MBEDTLS_PSA_KEY_SLOT_COUNT
2021-02-15 14:26:44 +01:00
psa_crypto_storage.c
Merge pull request #3872 from gabor-mezei-arm/3275_use_PSA_ERROR_DATA_INVALID_where_warranted
2021-02-03 20:54:46 +01:00
psa_crypto_storage.h
Rename PSA_KEY_SLOT_COUNT to MBEDTLS_PSA_KEY_SLOT_COUNT
2021-02-15 14:26:44 +01:00
psa_crypto.c
psa: cipher: Remove cipher_generate_iv driver entry point
2021-03-26 15:58:25 +01:00
psa_its_file.c
Correct fix for potential truncation
2021-03-10 17:00:32 +00:00
ripemd160.c
Merge branch 'development' into development-restricted
2020-12-03 09:59:42 +01:00
rsa_internal.c
Update copyright notices to use Linux Foundation guidance
2020-08-19 10:35:41 +02:00
rsa.c
Fix mutex leak in RSA
2021-02-22 19:24:03 +01:00
sha1.c
Merge pull request #731 from gabor-mezei-arm/692_missing_zeroizations_of_sensitive_data
2020-09-18 16:20:13 +02:00
sha256.c
Merge pull request #731 from gabor-mezei-arm/692_missing_zeroizations_of_sensitive_data
2020-09-18 16:20:13 +02:00
sha512.c
Merge branch 'development' into development-restricted
2020-12-03 09:59:42 +01:00
ssl_cache.c
Update copyright notices to use Linux Foundation guidance
2020-08-19 10:35:41 +02:00
ssl_ciphersuites.c
Update copyright notices to use Linux Foundation guidance
2020-08-19 10:35:41 +02:00
ssl_cli.c
Fix size_t and longlong specifiers for MinGW
2021-03-10 17:00:32 +00:00
ssl_cookie.c
Update copyright notices to use Linux Foundation guidance
2020-08-19 10:35:41 +02:00
ssl_invasive.h
Merge pull request #736 from mpg/cf-varpos-copy-dev-restricted
2020-08-25 14:35:55 +01:00
ssl_msg.c
Fix size_t and longlong specifiers for MinGW
2021-03-10 17:00:32 +00:00
ssl_srv.c
Merge pull request #4098 from gstrauss/remove-redundant-condition
2021-03-27 22:47:13 +01:00
ssl_ticket.c
Stop using deprecated functions in the library
2020-12-03 12:25:10 +01:00
ssl_tls13_keys.c
Comment on hardcoding of maximum HKDF key expansion of 255 Bytes
2020-09-16 09:50:17 +01:00
ssl_tls13_keys.h
Comment on hardcoding of maximum HKDF key expansion of 255 Bytes
2020-09-16 09:50:17 +01:00
ssl_tls.c
Fix missed size_t printf
2021-03-10 18:17:12 +00:00
threading.c
Explain the usage of is_valid in pthread mutexes
2021-02-22 19:24:03 +01:00
timing.c
Update copyright notices to use Linux Foundation guidance
2020-08-19 10:35:41 +02:00
version_features.c
Add MBEDTLS_PSA_CRYPTO_CLIENT configuration option
2021-02-01 13:16:01 +01:00
version.c
Update copyright notices to use Linux Foundation guidance
2020-08-19 10:35:41 +02:00
x509_create.c
Update copyright notices to use Linux Foundation guidance
2020-08-19 10:35:41 +02:00
x509_crl.c
Merge development into development-restricted
2020-08-20 11:07:12 +01:00
x509_crt.c
Fix memsan build with clang 11
2021-03-05 14:24:03 +00:00
x509_csr.c
Update copyright notices to use Linux Foundation guidance
2020-08-19 10:35:41 +02:00
x509.c
x509.c: Remove one unnecessary cast
2020-09-01 11:04:53 +02:00
x509write_crt.c
Mark basic constraints critical as appropriate.
2020-09-21 18:25:35 -07:00
x509write_csr.c
Update copyright notices to use Linux Foundation guidance
2020-08-19 10:35:41 +02:00
xtea.c
Update copyright notices to use Linux Foundation guidance
2020-08-19 10:35:41 +02:00