Thank you Mark!
Am 05.12.22 um 16:01 schrieb Mark Thomas:
Fixed.
The changes are in the current OpenSSL main development branch which
(currently) is configured to be 3.2.x.
Mark
On 05/12/2022 11:16, Rainer Jung wrote:
Hi there,
the following tests fail for me when using tcnative 2.0.2 build
against OpenSSL 3.1.0-alpha1:
testHIGH: Expected 127 ciphers but got 137 for the specification 'HIGH'
testMEDIUM: Expected 10 ciphers but got 0 for the specification 'MEDIUM'
testSpecification01: Expected 115 ciphers but got 125 for the
specification 'HIGH:!aNULL:!eNULL:!EXPORT:!DES:!RC4:!MD5'
In all three cases the reason seems to be, that the following ciphers
have moved from MEDIUM to HIGH:
TLS_DHE_RSA_WITH_AES_128_CCM_8
TLS_DHE_RSA_WITH_AES_256_CCM_8
TLS_ECDHE_ECDSA_WITH_AES_128_CCM_8
TLS_ECDHE_ECDSA_WITH_AES_256_CCM_8
TLS_PSK_DHE_WITH_AES_128_CCM_8
TLS_PSK_DHE_WITH_AES_256_CCM_8
TLS_PSK_WITH_AES_128_CCM_8
TLS_PSK_WITH_AES_256_CCM_8
TLS_RSA_WITH_AES_128_CCM_8
TLS_RSA_WITH_AES_256_CCM_8
I could verify this by running:
/path/to/openssl301/bin/openssl ciphers -v HIGH|grep 'CCM8'|sort
AES128-CCM8 TLSv1.2 Kx=RSA Au=RSA
Enc=AESCCM8(128) Mac=AEAD
AES256-CCM8 TLSv1.2 Kx=RSA Au=RSA
Enc=AESCCM8(256) Mac=AEAD
DHE-PSK-AES128-CCM8 TLSv1.2 Kx=DHEPSK Au=PSK
Enc=AESCCM8(128) Mac=AEAD
DHE-PSK-AES256-CCM8 TLSv1.2 Kx=DHEPSK Au=PSK
Enc=AESCCM8(256) Mac=AEAD
DHE-RSA-AES128-CCM8 TLSv1.2 Kx=DH Au=RSA
Enc=AESCCM8(128) Mac=AEAD
DHE-RSA-AES256-CCM8 TLSv1.2 Kx=DH Au=RSA
Enc=AESCCM8(256) Mac=AEAD
ECDHE-ECDSA-AES128-CCM8 TLSv1.2 Kx=ECDH Au=ECDSA
Enc=AESCCM8(128) Mac=AEAD
ECDHE-ECDSA-AES256-CCM8 TLSv1.2 Kx=ECDH Au=ECDSA
Enc=AESCCM8(256) Mac=AEAD
PSK-AES128-CCM8 TLSv1.2 Kx=PSK Au=PSK
Enc=AESCCM8(128) Mac=AEAD
PSK-AES256-CCM8 TLSv1.2 Kx=PSK Au=PSK
Enc=AESCCM8(256) Mac=AEAD
It seems these are the same ciphers that changed from MEDIUM to high.
Our change lowering those ciphers to MEDIUM in our code was
https://github.com/apache/tomcat/commit/4e20c36e399a61ad173f850fcb7acc863ea4b076
which seems to have been triggered by the OpenSSL changes
https://github.com/openssl/openssl/commit/1a473d1cc67e04ae9fea517b36dc332143250cf5
https://github.com/openssl/openssl/commit/56ffcce492ffc6f36b2f0d9431e23febe054dd04
https://github.com/openssl/openssl/commit/e07102220afe4059bc45aa3d7073b7678329e26e
But these changes on the OpenSSL main branch are not part of the 3.1
branch.
Best regards,
Rainer
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