{"id":123602,"date":"2025-04-19T15:05:06","date_gmt":"2025-04-19T13:05:06","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/v-python-zadejstvovany-kriptofunkczii-s-matematicheskim-dokazatelstvom-nadyozhnosti"},"modified":"2025-04-19T15:05:06","modified_gmt":"2025-04-19T13:05:06","slug":"v-python-zadejstvovany-kriptofunkczii-s-matematicheskim-dokazatelstvom-nadyozhnosti","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/news\/v-python-zadejstvovany-kriptofunkczii-s-matematicheskim-dokazatelstvom-nadyozhnosti","title":{"rendered":"Pythonis on kaasatud kr\u00fcptofunktsioonid, millel on matemaatiline t\u00f5end usaldusv\u00e4\u00e4rsuse kohta.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

\u041e\u0431\u044a\u044f\u0432\u043b\u0435\u043d\u043e \u043e\u0431 \u0443\u0441\u043f\u0435\u0448\u043d\u043e\u043c \u0437\u0430\u0432\u0435\u0440\u0448\u0435\u043d\u0438\u0438 \u0438\u043d\u0438\u0446\u0438\u0430\u0442\u0438\u0432\u044b \u043f\u043e \u0437\u0430\u043c\u0435\u043d\u0435 \u0432 Python \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0439 \u043a\u0440\u0438\u043f\u0442\u043e\u0433\u0440\u0430\u0444\u0438\u0447\u0435\u0441\u043a\u0438\u0445 \u0430\u043b\u0433\u043e\u0440\u0438\u0442\u043c\u043e\u0432, \u043f\u0440\u0435\u0434\u043b\u0430\u0433\u0430\u0435\u043c\u044b\u0445 \u0432 \u043c\u043e\u0434\u0443\u043b\u044f\u0445 hashlib \u0438 hmac, \u043d\u0430 \u0432\u0430\u0440\u0438\u0430\u043d\u0442\u044b \u0441 \u043c\u0430\u0442\u0435\u043c\u0430\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u043c \u0434\u043e\u043a\u0430\u0437\u0430\u0442\u0435\u043b\u044c\u0441\u0442\u0432\u043e\u043c \u043d\u0430\u0434\u0451\u0436\u043d\u043e\u0441\u0442\u0438, \u043f\u043e\u0434\u0433\u043e\u0442\u043e\u0432\u043b\u0435\u043d\u043d\u044b\u0435 \u043f\u0440\u043e\u0435\u043a\u0442\u043e\u043c «HACL*». \u0420\u0430\u0431\u043e\u0442\u0430 \u043f\u043e \u043f\u0435\u0440\u0435\u0445\u043e\u0434\u0443 \u043d\u0430 \u0444\u0443\u043d\u043a\u0446\u0438\u0438 \u0441 \u043c\u0430\u0442\u0435\u043c\u0430\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u043c \u0434\u043e\u043a\u0430\u0437\u0430\u0442\u0435\u043b\u044c\u0441\u0442\u0432\u043e\u043c \u043d\u0430\u0434\u0451\u0436\u043d\u043e\u0441\u0442\u0438 \u0432\u0435\u043b\u0430\u0441\u044c \u0441 2022 \u0433\u043e\u0434\u0430 \u0438 \u0431\u044b\u043b\u0430 \u0438\u043d\u0438\u0446\u0438\u0438\u0440\u043e\u0432\u0430\u043d \u043f\u043e\u0441\u043b\u0435 \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0438\u044f \u043f\u0435\u0440\u0435\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u0431\u0443\u0444\u0435\u0440\u0430 \u0432 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u0430\u043b\u0433\u043e\u0440\u0438\u0442\u043c\u0430 SHA3, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u043c\u043e\u0439 \u0432 Python-\u043c\u043e\u0434\u0443\u043b\u0435 hashlib. <\/p>\n

The main repository of the CPython project accepted code with new implementations of cryptographic hash functions and HMAC (hash-based message authentication code). All default hash functions and HMACs provided in Python have been replaced with verified variants. Among other things, an implementation of HMAC-BLAKE2, which uses AVX2 SIMD instructions to accelerate computations, has been added. It is expected that the verified code will be included in the upcoming autumn release of Python 3.14. <\/p>\n

\u041d\u043e\u0432\u044b\u0435 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u043a\u0440\u0438\u043f\u0442\u043e\u0433\u0440\u0430\u0444\u0438\u0447\u0435\u0441\u043a\u0438\u0445 \u0444\u0443\u043d\u043a\u0446\u0438\u0439 \u043f\u0435\u0440\u0435\u043d\u0435\u0441\u0435\u043d\u044b \u0438\u0437 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438 HACL*, \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0435\u043c\u043e\u0439 \u0438\u0441\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u044f\u043c\u0438 \u0438\u0437 \u0444\u0440\u0430\u043d\u0446\u0443\u0437\u0441\u043a\u043e\u0433\u043e \u0433\u043e\u0441\u0443\u0434\u0430\u0440\u0441\u0442\u0432\u0435\u043d\u043d\u043e\u0433\u043e \u0438\u043d\u0441\u0442\u0438\u0442\u0443\u0442\u0430 \u0438\u0441\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u043d\u0438\u0439 \u0432 \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0442\u0438\u043a\u0435 \u0438 \u0430\u0432\u0442\u043e\u043c\u0430\u0442\u0438\u043a\u0435 (INRIA), \u043f\u043e\u0434\u0440\u0430\u0437\u0434\u0435\u043b\u0435\u043d\u0438\u044f Microsoft Research \u0438 \u0443\u043d\u0438\u0432\u0435\u0440\u0441\u0438\u0442\u0435\u0442\u0430 \u041a\u0430\u0440\u043d\u0435\u0433\u0438 — \u041c\u0435\u043b\u043b\u043e\u043d\u0430. \u0411\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0430 HACL* \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u0442 \u0442\u0438\u043f\u043e\u0432\u044b\u0435 \u043a\u0440\u0438\u043f\u0442\u043e\u0433\u0440\u0430\u0444\u0438\u0447\u0435\u0441\u043a\u0438\u0435 \u0444\u0443\u043d\u043a\u0446\u0438\u0438, \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u0434\u043e\u0441\u0442\u0430\u0442\u043e\u0447\u043d\u043e \u0434\u043b\u044f \u0440\u0430\u0431\u043e\u0442\u044b TLS 1.3 \u0438 \u043f\u043e\u043b\u043d\u043e\u0439 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0438 API NaCl (Networking and Cryptography library), \u0442\u0430\u043a\u0438\u0435 \u043a\u0430\u043a Curve25519, Ed25519, AES-GCM, Chacha20, Poly1305, SHA-2, SHA-3, HMAC \u0438 HKDF. \u041f\u043e \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u0438 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0430 HACL* \u0431\u043b\u0438\u0437\u043a\u0430 \u043a OpenSSL, \u043d\u043e \u0432 \u043e\u0442\u043b\u0438\u0447\u0438\u0435 \u043e\u0442 \u043f\u043e\u0441\u043b\u0435\u0434\u043d\u0435\u0439 \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 \u0434\u043e\u043f\u043e\u043b\u043d\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0435 \u0433\u0430\u0440\u0430\u043d\u0442\u0438\u0438 \u043d\u0430\u0434\u0451\u0436\u043d\u043e\u0441\u0442\u0438 \u0438 \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438. <\/p>\n

The HACL* code is written in a subset of the functional language F*, which offers a system of dependent types and refinements that allow for precise specifications (mathematical models) and ensures the absence of implementation errors through SMT formulas and supporting proof tools. The reference code in F* is translated into C code using the KaRaMeL compiler and is available for integration with other projects. <\/p>\n

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\u00dcleminekuprotsess verifitseeritud koodile v\u00f5ttis aega kaks ja pool aastat ning n\u00f5udis HACL* teegi t\u00e4iustamist, mille funktsionaalsust laiendati olemasoleva hashlib funktsionaalsuse sujuvaks asendamiseks vajalike omadustega. N\u00e4iteks HACL*s lisati HMAC-i voogedastuse re\u017eiimi toimetamine, laiendati Blake2 algoritmide t\u00f6\u00f6re\u017eiime ning rakendati uus SHA3 API, mis katab k\u00f5ik Keclaki perekonna algoritmide variandid, samuti tagatakse vajalikke veateate vahendeid (nt m\u00e4luhaldusprobleemide puhul) ja t\u00f6\u00f6tati v\u00e4lja skriptid HACL* uute versioonide automaatseks Python reposse \u00fcleviimiseks.
\n
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