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Clean up DEFAULT_SSL_CIPHERS comments

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Jakub Roztocil 2023-05-19 21:50:58 +02:00
parent 4e29a6d561
commit d021b94b5d
1 changed files with 40 additions and 40 deletions
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80
httpie/ssl_.py
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@ -8,46 +8,46 @@ from urllib3.util.ssl_ import (
resolve_ssl_version,
)
# Default ciphers imported from urllib3 as a work around for https://github.com/httpie/httpie/issues/1499
# Removed from urllib3 in this commit: https://github.com/urllib3/urllib3/commit/e5eac0c
####################
# A secure default.
# Sources for more information on TLS ciphers:
#
# - https://wiki.mozilla.org/Security/Server_Side_TLS
# - https://www.ssllabs.com/projects/best-practices/index.html
# - https://hynek.me/articles/hardening-your-web-servers-ssl-ciphers/
#
# The general intent is:
# - prefer cipher suites that offer perfect forward secrecy (DHE/ECDHE),
# - prefer ECDHE over DHE for better performance,
# - prefer any AES-GCM and ChaCha20 over any AES-CBC for better performance and
# security,
# - prefer AES-GCM over ChaCha20 because hardware-accelerated AES is common,
# - disable NULL authentication, MD5 MACs, DSS, and other
# insecure ciphers for security reasons.
# - NOTE: TLS 1.3 cipher suites are managed through a different interface
# not exposed by CPython (yet!) and are enabled by default if they're available.
DEFAULT_SSL_CIPHERS = ":".join(
[
"ECDHE+AESGCM",
"ECDHE+CHACHA20",
"DHE+AESGCM",
"DHE+CHACHA20",
"ECDH+AESGCM",
"DH+AESGCM",
"ECDH+AES",
"DH+AES",
"RSA+AESGCM",
"RSA+AES",
"!aNULL",
"!eNULL",
"!MD5",
"!DSS",
"!AESCCM",
]
)
# We used to import default SSL ciphers via `SSL_CIPHERS` from `urllib3` but it’s been removed,
# so we’ve copied the original list here.
# Our issue: <https://github.com/httpie/httpie/issues/1499>
# Removal commit: <https://github.com/urllib3/urllib3/commit/e5eac0c>
DEFAULT_SSL_CIPHERS = ":".join([
# <urllib3>
# A secure default.
# Sources for more information on TLS ciphers:
#
# - https://wiki.mozilla.org/Security/Server_Side_TLS
# - https://www.ssllabs.com/projects/best-practices/index.html
# - https://hynek.me/articles/hardening-your-web-servers-ssl-ciphers/
#
# The general intent is:
# - prefer cipher suites that offer perfect forward secrecy (DHE/ECDHE),
# - prefer ECDHE over DHE for better performance,
# - prefer any AES-GCM and ChaCha20 over any AES-CBC for better performance and
# security,
# - prefer AES-GCM over ChaCha20 because hardware-accelerated AES is common,
# - disable NULL authentication, MD5 MACs, DSS, and other
# insecure ciphers for security reasons.
# - NOTE: TLS 1.3 cipher suites are managed through a different interface
# not exposed by CPython (yet!) and are enabled by default if they're available.
"ECDHE+AESGCM",
"ECDHE+CHACHA20",
"DHE+AESGCM",
"DHE+CHACHA20",
"ECDH+AESGCM",
"DH+AESGCM",
"ECDH+AES",
"DH+AES",
"RSA+AESGCM",
"RSA+AES",
"!aNULL",
"!eNULL",
"!MD5",
"!DSS",
"!AESCCM",
# </urllib3>
])
SSL_VERSION_ARG_MAPPING = {
'ssl2.3': 'PROTOCOL_SSLv23',
'ssl3': 'PROTOCOL_SSLv3',