{"id":184233,"date":"2026-11-12T11:41:15","date_gmt":"2026-11-12T09:41:15","guid":{"rendered":"https:\/\/prohoster.info\/blog\/news\/udostoveryayushhij-czentr-emudhra-otozval-eshhyo-8-promezhutochnyh-kornevyh-sertifikatov"},"modified":"2026-11-12T11:41:21","modified_gmt":"2026-11-12T09:41:21","slug":"emudhra-certificate-authority-revokes-8-more-intermediate-root-certificates","status":"publish","type":"post","link":"https:\/\/prohoster.info\/es\/blog\/news\/emudhra-certificate-authority-revokes-8-more-intermediate-root-certificates","title":{"rendered":"El centro de certificaci\u00f3n eMudhra ha revocado otros 8 certificados intermedios ra\u00edz.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

La empresa eMudhra revel\u00f3 detalles adicionales sobre el incidente en el que ocho certificados ra\u00edz de la autoridad certificadora ten\u00edan claves privadas f\u00e1ciles de adivinar, con solo 1 byte de entrop\u00eda en lugar de 48. Adem\u00e1s de los ya identificados certificados ra\u00edz intermedios problem\u00e1ticos, se informa del retiro de otros 8, aunque no debido a problemas de entrop\u00eda. El an\u00e1lisis mostr\u00f3 que la fuente de los problemas de entrop\u00eda fue un script de Python hecho a mano, utilizado para transferir claves privadas entre los m\u00f3dulos de seguridad de hardware (HSM) de diferentes proveedores. La transferencia de claves fue necesaria debido a los retrasos en la entrega de modelos mejorados de HSM que cumplen con los nuevos requisitos para las autoridades certificadoras. <\/p>\n

Debido a un error, el tama\u00f1o de las claves privadas ECDSA se redujo a 1 byte. Adem\u00e1s, durante la transferencia de claves entre HSM, el script manejaba las claves privadas en la memoria vol\u00e1til del ordenador en el que se ejecutaba, mientras que las operaciones con claves privadas deben realizarse \u00fanicamente dentro del HSM. Los registros del HSM confirmaron que los m\u00f3dulos de seguridad funcionaban correctamente y que el problema fue causado por el uso del script casero. <\/p>\n

Adem\u00e1s de las claves ECDSA, el script tambi\u00e9n se utiliz\u00f3 para transferir 8 claves RSA-4096, las cuales no presentaron problemas de entrop\u00eda, pero el manejo de claves en la memoria principal viola los requisitos de seguridad impuestos a las autoridades certificadoras, por lo que los certificados RSA tambi\u00e9n han sido retirados.
\n
Fuente: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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