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Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
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Dave Rodgman 2021-04-26 14:58:26 +01:00
parent ddb8ea6847
commit 10ba553c2e
23 changed files with 100 additions and 110 deletions
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100
ChangeLog
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@ -1,5 +1,105 @@
mbed TLS ChangeLog (Sorted per branch, date) mbed TLS ChangeLog (Sorted per branch, date)
= mbed TLS x.x.x branch released xxxx-xx-xx
API changes
* Remove HAVEGE module.
The design of HAVEGE makes it unsuitable for microcontrollers. Platforms
with a more complex CPU usually have an operating system interface that
provides better randomness. Instead of HAVEGE, declare OS or hardware RNG
interfaces with mbedtls_entropy_add_source() and/or use an entropy seed
file created securely during device provisioning. See
https://tls.mbed.org/kb/how-to/add-entropy-sources-to-entropy-pool for
more information.
* Add missing const attributes to API functions.
* Remove helpers for the transition from Mbed TLS 1.3 to Mbed TLS 2.0: the
header compat-1.3.h and the script rename.pl.
* Remove certs module from the API.
Transfer keys and certificates embedded in the library to the test
component. This contributes to minimizing library API and discourages
users from using unsafe keys in production.
* Move alt helpers and definitions.
Various helpers and definitions available for use in alt implementations
have been moved out of the include/ directory and into the library/
directory. The files concerned are ecp_internal.h and rsa_internal.h
which have also been renamed to ecp_alt.h and rsa_alt_helpers.h
respectively.
* Move internal headers.
Header files that were only meant for the library's internal use and
were not meant to be used in application code have been moved out of
the include/ directory. The headers concerned are bn_mul.h, aesni.h,
padlock.h, entropy_poll.h and *_internal.h.
* Drop support for parsing SSLv2 ClientHello
(MBEDTLS_SSL_SRV_SUPPORT_SSLV2_CLIENT_HELLO).
* Drop support for SSLv3 (MBEDTLS_SSL_PROTO_SSL3).
* Drop support for compatibility with our own previous buggy
implementation of truncated HMAC (MBEDTLS_SSL_TRUNCATED_HMAC_COMPAT).
* Drop support for TLS record-level compression (MBEDTLS_ZLIB_SUPPORT).
* Drop support for RC4 TLS ciphersuites.
* Drop support for single-DES ciphersuites.
* Drop support for MBEDTLS_SSL_HW_RECORD_ACCEL.
Requirement changes
* The library now uses the %zu format specifier with the printf() family of
functions, so requires a toolchain that supports it. This change does not
affect the maintained LTS branches, so when contributing changes please
bear this in mind and do not add them to backported code.
Removals
* Remove the MBEDTLS_TLS_DEFAULT_ALLOW_SHA1_IN_CERTIFICATES
compile-time option, which was off by default. Users should not trust
certificates signed with SHA-1 due to the known attacks against SHA-1.
If needed, SHA-1 cerificate can still be used by providing custom
verification profile to mbedtls_x509_crt_verify_with_profile function
in x509_crt.h, or mbedtls_ssl_conf_cert_profile function in ssl.h.
Example of custom verification profile, supporting SHA-1:
const mbedtls_x509_crt_profile mbedtls_x509_crt_custom = {
MBEDTLS_X509_ID_FLAG( MBEDTLS_MD_SHA1 ),
0xFFFFFFF, /* Any PK alg */
0xFFFFFFF, /* Any curve */
2048
};
* Removed deprecated things in psa/crypto_compat.h. Fixes #4284
* Removed deprecated functions from hashing modules. Fixes #4280.
* Remove PKCS#11 library wrapper. PKCS#11 has limited functionality,
lacks automated tests and has scarce documentation. Also, PSA Crypto
provides a more flexible private key management.
More details on PCKS#11 wrapper removal can be found in the mailing list
https://lists.trustedfirmware.org/pipermail/mbed-tls/2020-April/000024.html
* Remove deprecated error codes. Fix #4283
Features
* Add mbedtls_rsa_rsassa_pss_sign_ext() function allowing to generate a
signature with a specific salt length. This function allows to validate
test cases provided in the NIST's CAVP test suite. Contributed by Cédric
Meuter in PR #3183.
Bugfix
* Fix premature fopen() call in mbedtls_entropy_write_seed_file which may
lead to the seed file corruption in case if the path to the seed file is
equal to MBEDTLS_PLATFORM_STD_NV_SEED_FILE. Contributed by Victor
Krasnoshchok in #3616.
* PSA functions creating a key now return PSA_ERROR_INVALID_ARGUMENT rather
than PSA_ERROR_INVALID_HANDLE when the identifier specified for the key
to create is not valid, bringing them in line with version 1.0.0 of the
specification. Fix #4271.
* Add printf function attributes to mbedtls_debug_print_msg to ensure we
get printf format specifier warnings.
* PSA functions other than psa_open_key now return PSA_ERROR_INVALID_HANDLE
rather than PSA_ERROR_DOES_NOT_EXIST for an invalid handle, bringing them
in line with version 1.0.0 of the specification. Fix #4162.
* Fix a bug in ECDSA that would cause it to fail when the hash is all-bits
zero. Fixes #1792
* mbedtls_mpi_read_string on "-0" produced an MPI object that was not treated
as equal to 0 in all cases. Fix it to produce the same object as "0".
Changes
* Fix the setting of the read timeout in the DTLS sample programs.
* Add extra printf compiler warning flags to builds.
* Fix memsan build false positive in x509_crt.c with clang 11
* There is ongoing work for the next release (= Mbed TLS 3.0.0 branch to
be released 2021-xx-xx), including various API-breaking changes.
= mbed TLS 2.26.0 branch released 2021-03-08 = mbed TLS 2.26.0 branch released 2021-03-08
API changes API changes

2
ChangeLog.d/add_const_parameters.txt
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@ -1,2 +0,0 @@
API changes
* Add missing const attributes to API functions.

5
ChangeLog.d/bugfix_PR3616.txt
View file

@ -1,5 +0,0 @@
Bugfix
* Fix premature fopen() call in mbedtls_entropy_write_seed_file which may
lead to the seed file corruption in case if the path to the seed file is
equal to MBEDTLS_PLATFORM_STD_NV_SEED_FILE. Contributed by Victor
Krasnoshchok in #3616.

2
ChangeLog.d/dtls_sample_use_read_timeout.txt
View file

@ -1,2 +0,0 @@
Changes
* Fix the setting of the read timeout in the DTLS sample programs.

5
ChangeLog.d/fix-invalid-id-error-code.txt
View file

@ -1,5 +0,0 @@
Bugfix
* PSA functions creating a key now return PSA_ERROR_INVALID_ARGUMENT rather
than PSA_ERROR_INVALID_HANDLE when the identifier specified for the key
to create is not valid, bringing them in line with version 1.0.0 of the
specification. Fix #4271.

10
ChangeLog.d/fix-printf-specifiers.txt
View file

@ -1,10 +0,0 @@
Bugfix
* Add printf function attributes to mbedtls_debug_print_msg to ensure we
get printf format specifier warnings.
Changes
* Add extra printf compiler warning flags to builds.
Requirement changes
* The library now uses the %zu format specifier with the printf() family of
functions, so requires a toolchain that supports it. This change does not
affect the maintained LTS branches, so when contributing changes please
bear this in mind and do not add them to backported code.

2
ChangeLog.d/fix_memsan_build_clang11.txt
View file

@ -1,2 +0,0 @@
Changes
* Fix memsan build false positive in x509_crt.c with clang 11

4
ChangeLog.d/fix_return_type_for_invalid_crypto_key.txt
View file

@ -1,4 +0,0 @@
Bugfix
* PSA functions other than psa_open_key now return PSA_ERROR_INVALID_HANDLE
rather than PSA_ERROR_DOES_NOT_EXIST for an invalid handle, bringing them
in line with version 1.0.0 of the specification. Fix #4162.

3
ChangeLog.d/issue1792.txt
View file

@ -1,3 +0,0 @@
Bugfix
* Fix a bug in ECDSA that would cause it to fail when the hash is all-bits
zero. Fixes #1792

2
ChangeLog.d/issue4280.txt
View file

@ -1,2 +0,0 @@
Removals
* Removed deprecated functions from hashing modules. Fixes #4280.

2
ChangeLog.d/issue4283.txt
View file

@ -1,2 +0,0 @@
Removals
* Remove deprecated error codes. Fix #4283

2
ChangeLog.d/issue4284.txt
View file

@ -1,2 +0,0 @@
Removals
* Removed deprecated things in psa/crypto_compat.h. Fixes #4284

3
ChangeLog.d/mbedtls3.0.txt
View file

@ -1,3 +0,0 @@
Changes
* There is ongoing work for the next release (= Mbed TLS 3.0.0 branch to
be released 2021-xx-xx), including various API-breaking changes.

7
ChangeLog.d/move_alt_helpers.txt
View file

@ -1,7 +0,0 @@
API changes
* Move alt helpers and definitions.
Various helpers and definitions available for use in alt implementations
have been moved out of the include/ directory and into the library/
directory. The files concerned are ecp_internal.h and rsa_internal.h
which have also been renamed to ecp_alt.h and rsa_alt_helpers.h
respectively.

6
ChangeLog.d/move_internal_headers.txt
View file

@ -1,6 +0,0 @@
API changes
* Move internal headers.
Header files that were only meant for the library's internal use and
were not meant to be used in application code have been moved out of
the include/ directory. The headers concerned are bn_mul.h, aesni.h,
padlock.h, entropy_poll.h and *_internal.h.

3
ChangeLog.d/mpi_read_negative_zero.txt
View file

@ -1,3 +0,0 @@
Bugfix
* mbedtls_mpi_read_string on "-0" produced an MPI object that was not treated
as equal to 0 in all cases. Fix it to produce the same object as "0".

5
ChangeLog.d/pkcs1_v21_sign_ext.txt
View file

@ -1,5 +0,0 @@
Features
* Add mbedtls_rsa_rsassa_pss_sign_ext() function allowing to generate a
signature with a specific salt length. This function allows to validate
test cases provided in the NIST's CAVP test suite. Contributed by Cédric
Meuter in PR #3183.

14
ChangeLog.d/remove_allow_sha1_in_certificates.txt
View file

@ -1,14 +0,0 @@
Removals
* Remove the MBEDTLS_TLS_DEFAULT_ALLOW_SHA1_IN_CERTIFICATES
compile-time option, which was off by default. Users should not trust
certificates signed with SHA-1 due to the known attacks against SHA-1.
If needed, SHA-1 cerificate can still be used by providing custom
verification profile to mbedtls_x509_crt_verify_with_profile function
in x509_crt.h, or mbedtls_ssl_conf_cert_profile function in ssl.h.
Example of custom verification profile, supporting SHA-1:
const mbedtls_x509_crt_profile mbedtls_x509_crt_custom = {
MBEDTLS_X509_ID_FLAG( MBEDTLS_MD_SHA1 ),
0xFFFFFFF, /* Any PK alg */
0xFFFFFFF, /* Any curve */
2048
};

5
ChangeLog.d/remove_certs.txt
View file

@ -1,5 +0,0 @@
API changes
* Remove certs module from the API.
Transfer keys and certificates embedded in the library to the test
component. This contributes to minimizing library API and discourages
users from using unsafe keys in production.

9
ChangeLog.d/remove_havege.txt
View file

@ -1,9 +0,0 @@
API changes
* Remove HAVEGE module.
The design of HAVEGE makes it unsuitable for microcontrollers. Platforms
with a more complex CPU usually have an operating system interface that
provides better randomness. Instead of HAVEGE, declare OS or hardware RNG
interfaces with mbedtls_entropy_add_source() and/or use an entropy seed
file created securely during device provisioning. See
https://tls.mbed.org/kb/how-to/add-entropy-sources-to-entropy-pool for
more information.

10
ChangeLog.d/remove_obsolete_tls_features.txt
View file

@ -1,10 +0,0 @@
API changes
* Drop support for parsing SSLv2 ClientHello
(MBEDTLS_SSL_SRV_SUPPORT_SSLV2_CLIENT_HELLO).
* Drop support for SSLv3 (MBEDTLS_SSL_PROTO_SSL3).
* Drop support for compatibility with our own previous buggy
implementation of truncated HMAC (MBEDTLS_SSL_TRUNCATED_HMAC_COMPAT).
* Drop support for TLS record-level compression (MBEDTLS_ZLIB_SUPPORT).
* Drop support for RC4 TLS ciphersuites.
* Drop support for single-DES ciphersuites.
* Drop support for MBEDTLS_SSL_HW_RECORD_ACCEL.

3
ChangeLog.d/remove_old_transition_helpers.txt
View file

@ -1,3 +0,0 @@
API changes
* Remove helpers for the transition from Mbed TLS 1.3 to Mbed TLS 2.0: the
header compat-1.3.h and the script rename.pl.

6
ChangeLog.d/remove_pkcs11.txt
View file

@ -1,6 +0,0 @@
Removals
* Remove PKCS#11 library wrapper. PKCS#11 has limited functionality,
lacks automated tests and has scarce documentation. Also, PSA Crypto
provides a more flexible private key management.
More details on PCKS#11 wrapper removal can be found in the mailing list
https://lists.trustedfirmware.org/pipermail/mbed-tls/2020-April/000024.html