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David Horstmann beb90e30de Disallow overlong encoding when parsing OIDs 
OID subidentifiers are encoded as follow. For every byte:
* The top bit is 1 if there is another byte to come, 0 if this is the
last byte.
* The other 7 bits form 7 bits of the number. These groups of 7 are
concatenated together in big-endian order.

Overlong encodings are explicitly disallowed by the BER/DER/X690
specification. For example, the number 1 cannot be encoded as:

0x80 0x80 0x01

It must be encoded as:

0x01

Enforce this in Mbed TLS' OID DER-to-string parser.

Signed-off-by: David Horstmann <david.horstmann@arm.com>
2023-02-20 14:44:18 +00:00
..
.gitignore
Split libs with make + general make cleanups
2015-06-25 10:59:56 +02:00
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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check_crypto_config.h
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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 LTS version to 2.28.2
2022-12-08 11:05:11 +00:00
common.h
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constant_time_internal.h
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constant_time_invasive.h
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constant_time.c
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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
Address missed instances of sizeof
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ecp_invasive.h
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ecp.c
Fix IAR warnings
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entropy_poll.c
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entropy.c
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error.c
Update generated files
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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
Add a selftest run for the TIMING_ALT test
2023-01-26 04:33:59 -05:00
md2.c
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md4.c
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md5.c
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md.c
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memory_buffer_alloc.c
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mps_common.h
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mps_error.h
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mps_reader.c
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mps_reader.h
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mps_trace.c
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mps_trace.h
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net_sockets.c
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nist_kw.c
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oid.c
Disallow overlong encoding when parsing OIDs
2023-02-20 14:44:18 +00:00
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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psa_crypto_aead.c
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psa_crypto_aead.h
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psa_crypto_cipher.c
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psa_crypto_cipher.h
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psa_crypto_client.c
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psa_crypto_core.h
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psa_crypto_driver_wrappers.c
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psa_crypto_driver_wrappers.h
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psa_crypto_ecp.c
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psa_crypto_ecp.h
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psa_crypto_hash.c
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psa_crypto_hash.h
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psa_crypto_invasive.h
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psa_crypto_its.h
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psa_crypto_mac.c
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psa_crypto_mac.h
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psa_crypto_random_impl.h
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psa_crypto_rsa.c
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psa_crypto_rsa.h
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psa_crypto_se.c
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psa_crypto_se.h
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psa_crypto_slot_management.c
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psa_crypto_slot_management.h
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psa_crypto_storage.c
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psa_crypto_storage.h
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psa_crypto.c
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psa_its_file.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_msg.c
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ssl_srv.c
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ssl_ticket.c
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ssl_tls13_keys.c
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ssl_tls13_keys.h
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ssl_tls.c
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threading.c
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timing.c
Enable the timing.c selftest with MBEDTLS_TIMING_ALT
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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
X.509: Remove red'n bounds checks and zeroiz'n in OtherName parsing
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x509_csr.c
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x509.c
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x509write_crt.c
x509write_crt: reject serial longer than X509_RFC5280_MAX_SERIAL_LEN
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x509write_csr.c
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xtea.c
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