mirror of
https://github.com/yuzu-emu/mbedtls.git
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23 lines
1.1 KiB
Plaintext
23 lines
1.1 KiB
Plaintext
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API changes
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* The functions mbedtls_cipher_auth_encrypt() and
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mbedtls_cipher_auth_decrypt() no longer accept NIST_KW contexts,
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as they have no way to check if the output buffer is large enough.
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Please use mbedtls_cipher_auth_encrypt_ext() and
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mbedtls_cipher_auth_decrypt_ext() instead.
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Security
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* The functions mbedtls_cipher_auth_encrypt() and
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mbedtls_cipher_auth_decrypt() would write past the minimum documented
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size of the output buffer when used with NIST_KW. As a result, code using
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those functions as documented with NIST_KW could have a buffer overwrite
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of up to 15 bytes, with consequences ranging up to arbitrary code
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execution depending on the location of the output buffer.
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New deprecations
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* The functions mbedtls_cipher_auth_encrypt() and
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mbedtls_cipher_auth_decrypt() are deprecated in favour of the new
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functions mbedtls_cipher_auth_encrypt_ext() and
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mbedtls_cipher_auth_decrypt_ext(). Please note that with AEAD ciphers,
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these new functions always append the tag to the ciphertext, and include
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the tag in the ciphertext length.
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