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8759e16242
Prior to this commit, the security parameter struct `ssl_transform` contained a `ciphersuite_info` field pointing to the information structure for the negotiated ciphersuite. However, the only information extracted from that structure that was used in the core encryption and decryption functions `ssl_encrypt_buf`/`ssl_decrypt_buf` was the authentication tag length in case of an AEAD cipher. The present commit removes the `ciphersuite_info` field from the `ssl_transform` structure and adds an explicit `taglen` field for AEAD authentication tag length. This is in accordance with the principle that the `ssl_transform` structure should contain the raw parameters needed for the record encryption and decryption functions to work, but not the higher-level information that gave rise to them. For example, the `ssl_transform` structure implicitly contains the encryption/decryption keys within their cipher contexts, but it doesn't contain the SSL master or premaster secrets. Likewise, it contains an explicit `maclen`, while the status of the 'Truncated HMAC' extension -- which determines the value of `maclen` when the `ssl_transform` structure is created in `ssl_derive_keys` -- is not contained in `ssl_transform`. The `ciphersuite_info` pointer was used in other places outside the encryption/decryption functions during the handshake, and for these functions to work, this commit adds a `ciphersuite_info` pointer field to the handshake-local `ssl_handshake_params` structure. |
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| .. | ||
| .gitignore | ||
| aes.c | ||
| aesni.c | ||
| arc4.c | ||
| aria.c | ||
| asn1parse.c | ||
| asn1write.c | ||
| base64.c | ||
| bignum.c | ||
| blowfish.c | ||
| camellia.c | ||
| ccm.c | ||
| certs.c | ||
| chacha20.c | ||
| chachapoly.c | ||
| cipher_wrap.c | ||
| cipher.c | ||
| cmac.c | ||
| CMakeLists.txt | ||
| ctr_drbg.c | ||
| debug.c | ||
| des.c | ||
| dhm.c | ||
| ecdh.c | ||
| ecdsa.c | ||
| ecjpake.c | ||
| ecp_curves.c | ||
| ecp.c | ||
| entropy_poll.c | ||
| entropy.c | ||
| error.c | ||
| gcm.c | ||
| havege.c | ||
| hkdf.c | ||
| hmac_drbg.c | ||
| Makefile | ||
| md2.c | ||
| md4.c | ||
| md5.c | ||
| md_wrap.c | ||
| md.c | ||
| memory_buffer_alloc.c | ||
| net_sockets.c | ||
| nist_kw.c | ||
| oid.c | ||
| padlock.c | ||
| pem.c | ||
| pk_wrap.c | ||
| pk.c | ||
| pkcs5.c | ||
| pkcs11.c | ||
| pkcs12.c | ||
| pkparse.c | ||
| pkwrite.c | ||
| platform_util.c | ||
| platform.c | ||
| poly1305.c | ||
| ripemd160.c | ||
| rsa_internal.c | ||
| rsa.c | ||
| sha1.c | ||
| sha256.c | ||
| sha512.c | ||
| ssl_cache.c | ||
| ssl_ciphersuites.c | ||
| ssl_cli.c | ||
| ssl_cookie.c | ||
| ssl_srv.c | ||
| ssl_ticket.c | ||
| ssl_tls.c | ||
| threading.c | ||
| timing.c | ||
| version_features.c | ||
| version.c | ||
| x509_create.c | ||
| x509_crl.c | ||
| x509_crt.c | ||
| x509_csr.c | ||
| x509.c | ||
| x509write_crt.c | ||
| x509write_csr.c | ||
| xtea.c | ||