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mbedtls/library
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Gilles Peskine d48761317c mbedtls_mpi_read_string: make an empty bignum for an empty string 
In mbedtls_mpi_read_string, if the string is empty, return an empty bignum
rather than a bignum with one limb with the value 0.

Both representations are correct, so this is not, in principle, a
user-visible change. The change does leak however through
mbedtls_mpi_write_string in base 16 (but not in other bases), as it writes a
bignum with 0 limbs as "" but a bignum with the value 0 and at least one
limb as "00".

This change makes it possible to construct an empty bignum through
mbedtls_mpi_read_string, which is especially useful to construct test
cases (a common use of mbedtls_mpi_read_string, as most formats use in
production encode numbers in binary, to be read with mbedtls_mpi_read_binary
or mbedtls_mpi_read_binary_le).

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
2021-06-22 12:39:17 +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
ARIA: add missing context init/free
2021-05-25 18:45:04 +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
mbedtls_mpi_read_string: make an empty bignum for an empty string
2021-06-22 12:39:17 +02:00
blowfish.c
Update copyright notices to use Linux Foundation guidance
2020-08-19 10:35:41 +02:00
camellia.c
CAMELLIA: add missing context init/free
2021-05-25 18:45:04 +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
Allow skipping 3DES in CMAC self-test when ALT implemented
2021-04-30 10:09:52 +02:00
CMakeLists.txt
Add boilerplate for dispatching MAC operations
2021-05-11 18:56:01 +02:00
common.h
Move MBEDTLS_ERR_ADD macro and functions to error.*
2021-04-13 15:21:43 +01:00
ctr_drbg.c
Document mutex invariant for CTR_DRBG
2021-02-22 19:24:03 +01:00
debug.c
Add missing parentheses
2021-06-07 21:42:15 +02:00
des.c
Update copyright notices to use Linux Foundation guidance
2020-08-19 10:35:41 +02:00
dhm.c
DHM: add notes about leading zeros
2021-06-02 21:39:31 +02:00
ecdh.c
Update copyright notices to use Linux Foundation guidance
2020-08-19 10:35:41 +02:00
ecdsa.c
avoid "maybe-uninitialized" and "free-nonheap-object" errors/warnings with gcc11
2021-05-12 09:37:00 -04:00
ecjpake.c
ecjpake_zkp_read() now returns ...BAD_INPUT_DATA when r len == 0 and test follows that
2021-03-17 11:36:31 +01:00
ecp_curves.c
Fix low-probability arithmetic error in ECC
2021-04-04 01:10:41 +02:00
ecp_invasive.h
Move mbedtls_mpi_random to the bignum module
2021-06-02 21:31:24 +02:00
ecp.c
ECP: use mbedtls_mpi_random for blinding
2021-06-02 21:31:24 +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
Revert "Remove deprecated things from hashing modules"
2021-04-15 12:28:15 +02:00
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
Add boilerplate for dispatching MAC operations
2021-05-11 18:56:01 +02:00
md2.c
Revert "Remove deprecated things from hashing modules"
2021-04-15 12:28:15 +02:00
md4.c
Revert "Remove deprecated things from hashing modules"
2021-04-15 12:28:15 +02:00
md5.c
Revert "Remove deprecated things from hashing modules"
2021-04-15 12:28:15 +02:00
md.c
Revert "Remove deprecated things from hashing modules"
2021-04-15 12:28:15 +02:00
memory_buffer_alloc.c
Update copyright notices to use Linux Foundation guidance
2020-08-19 10:35:41 +02:00
mps_common.h
Capitalise MPS trace macros
2021-04-07 12:45:35 +01:00
mps_error.h
Fix Doxygen headers for MPS files
2021-03-29 14:20:18 +01:00
mps_reader.c
Capitalise MPS trace macros
2021-04-07 12:45:35 +01:00
mps_reader.h
Fix Doxygen headers for MPS files
2021-03-29 14:20:18 +01:00
mps_trace.c
Capitalise MPS trace macros
2021-04-07 12:45:35 +01:00
mps_trace.h
Capitalise MPS trace macros
2021-04-07 12:45:35 +01:00
net_sockets.c
Fix fd range for select on Windows
2021-06-20 23:17:39 +02:00
nist_kw.c
Fix null pointer arithmetic in error case
2021-06-01 11:57:18 +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
Apply MBEDTLS_ERROR_ADD to library
2021-04-15 11:19:47 +01:00
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
Apply MBEDTLS_ERROR_ADD to library
2021-04-15 11:19:47 +01:00
pkcs11.c
Update copyright notices to use Linux Foundation guidance
2020-08-19 10:35:41 +02:00
pkcs12.c
Apply MBEDTLS_ERROR_ADD to library
2021-04-15 11:19:47 +01:00
pkparse.c
Remove dead code from pk_parse_key_pkcs8_unencrypted_der
2021-04-28 14:12:07 +01:00
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_aead.c
Update all uses of old AEAD output size macros
2021-04-15 17:32:06 +02:00
psa_crypto_aead.h
psa: aead: Move AEAD driver entry points to psa_crypto_aead.c
2021-04-07 16:03:31 +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
Merge pull request #4357 from gabor-mezei-arm/3267_Implement_psa_sign_message_and_verify
2021-05-17 10:14:46 +02:00
psa_crypto_driver_wrappers.c
Fix missing compilation guard around psa_crypto_driver_wrappers.c
2021-05-19 21:03:46 +02:00
psa_crypto_driver_wrappers.h
Merge pull request #4357 from gabor-mezei-arm/3267_Implement_psa_sign_message_and_verify
2021-05-17 10:14:46 +02:00
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
psa: hash: Fix is_hash_accelerated signature
2021-04-01 10:50:03 +02:00
psa_crypto_hash.h
psa: include: Merge crypto_builtin_hash.h and crypto_builtin_cipher.h
2021-04-01 16:54:30 +02:00
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_mac.c
Refactor out mac_sign_setup and mac_verify_setup
2021-05-11 18:56:01 +02:00
psa_crypto_mac.h
Move is_sign and mac_size checking back to PSA core scope
2021-05-11 18:56:01 +02:00
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
psa: Support RSA signature without MBEDTLS_GENPRIME
2021-05-21 10:21:27 +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
Minor code flow improvements
2021-04-16 11:22:17 +02:00
psa_crypto_slot_management.h
psa: Fix error code when creating/registering a key with invalid id
2021-04-01 14:05:41 +02:00
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
Fix missing state check for tls12_prf output
2021-06-14 18:08:26 +02:00
psa_its_file.c
Correct fix for potential truncation
2021-03-10 17:00:32 +00:00
ripemd160.c
Revert "Remove deprecated things from hashing modules"
2021-04-15 12:28:15 +02:00
rsa_internal.c
Update copyright notices to use Linux Foundation guidance
2020-08-19 10:35:41 +02:00
rsa.c
Fix misc issues with unused parameters and check-names.sh
2021-04-13 15:26:59 +01:00
sha1.c
Revert "Remove deprecated things from hashing modules"
2021-04-15 12:28:15 +02:00
sha256.c
Revert "Remove deprecated things from hashing modules"
2021-04-15 12:28:15 +02:00
sha512.c
Revert "Remove deprecated things from hashing modules"
2021-04-15 12:28:15 +02:00
ssl_cache.c
Don't check ciphersuite and compression in SSL session cache lookup
2021-05-19 05:09:56 +01:00
ssl_ciphersuites.c
Fix dependencies on SHA384 cipher suites
2021-05-19 16:58:08 +02:00
ssl_cli.c
Enforce dhm_min_bitlen exactly, not just the byte size
2021-04-01 14:20:03 +02:00
ssl_cookie.c
Improve documentation for error code checking
2021-04-22 15:28:56 +01:00
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 misuse of MD API in SSL constant-flow HMAC
2021-05-19 10:40:02 +02:00
ssl_srv.c
Don't check ciphersuite and compression in SSL session cache lookup
2021-05-19 05:09:56 +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
Merge pull request #4493 from netfoundry/gcc11.fixes_2.x
2021-05-20 15:54:20 +02:00
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
Implement support for MBEDTLS_PSA_CRYPTO_BUILTIN_KEYS
2021-04-15 15:04:26 +02:00
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
Apply MBEDTLS_ERROR_ADD to library
2021-04-15 11:19:47 +01:00
x509_crt.c
Document more precisely what goes into the default profile
2021-06-07 21:24:26 +02:00
x509_csr.c
Apply MBEDTLS_ERROR_ADD to library
2021-04-15 11:19:47 +01:00
x509.c
Apply MBEDTLS_ERROR_ADD to library
2021-04-15 11:19:47 +01:00
x509write_crt.c
avoid "maybe-uninitialized" and "free-nonheap-object" errors/warnings with gcc11
2021-05-12 09:37:00 -04:00
x509write_csr.c
avoid "maybe-uninitialized" and "free-nonheap-object" errors/warnings with gcc11
2021-05-12 09:37:00 -04:00
xtea.c
Update copyright notices to use Linux Foundation guidance
2020-08-19 10:35:41 +02:00