На 4 ноября GitHub назначил временное отключение алгоритма подписи ssh-rsa, использующего RSA и SHA-1 и алгоритма обмена ключами diffie-hellman-group-exchange-sha256. Повторную проверку планируют на 9 декабря, окончательное отключение — на 13 января 2027 года.
Проверка затрагивает клиентов, которые используют эти алгоритмы при работе с Git по SSH. Существующий RSA-ключ можно сохранить, если клиент умеет подписывать с SHA-2, используя rsa-sha2-256 или rsa-sha2-512. График и рекомендации GitHub.
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