boringssl/crypto/cipher/CMakeLists.txt
David Benjamin ea72bd0b60 Implement all TLS ciphers with stateful AEADs.
The EVP_CIPHER codepath should no longer be used with TLS. It still exists for
DTLS and SSLv3. The AEAD construction in TLS does not allow for
variable-overhead AEADs, so stateful AEADs do not include the length in the ad
parameter. Rather the AEADs internally append the unpadded length once it is
known. EVP_aead_rc4_md5_tls is modified to account for this.

Tests are added (and RC4-MD5's regenerated) for each of the new AEADs. The
cipher tests are all moved into crypto/cipher/test because there's now a lot of
them and they clutter the directory listing.

In ssl/, the stateful AEAD logic is also modified to account for stateful AEADs
with a fixed IV component, and for AEADs which use a random nonce (for the
explicit-IV CBC mode ciphers).

The new implementation fixes a bug/quirk in stateless CBC mode ciphers where
the fixed IV portion of the keyblock was generated regardless. This is at the
end, so it's only relevant for EAP-TLS which generates a MSK from the end of
the key block.

Change-Id: I2d8b8aa11deb43bde2fd733f4f90b5d5b8cb1334
Reviewed-on: https://boringssl-review.googlesource.com/2692
Reviewed-by: Adam Langley <agl@google.com>
2015-01-14 20:30:26 +00:00

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CMake

include_directories(. .. ../../include)
add_library(
cipher
OBJECT
cipher.c
cipher_error.c
derive_key.c
aead.c
e_null.c
e_rc2.c
e_rc4.c
e_des.c
e_aes.c
e_chacha20poly1305.c
tls_cbc.c
e_tls.c
)
add_executable(
cipher_test
cipher_test.c
)
add_executable(
aead_test
aead_test.c
)
target_link_libraries(cipher_test crypto)
target_link_libraries(aead_test crypto)