Commit Graph

4 Commits

Author SHA1 Message Date
Adam Langley
1049e26f6b Support several flavours of AES-192.
Change-Id: I28d302fad0d3d00fa69d3224a96366207729d8d5
2015-04-06 16:58:46 -07:00
Adam Langley
087930f5b5 Add OFB mode.
Change-Id: I267cf7897b5a9f73f8de729971cb9e92937011dd
2015-04-06 16:58:45 -07:00
David Benjamin
165de16c2e Import additional AES-GCM test vector from upstream.
Upstream added another test vector in 4e049c52599d4a3fd918ba8570f49d88159e551b.

Change-Id: I17855dd479214657f0698b78f93e183cd6cb912e
Reviewed-on: https://boringssl-review.googlesource.com/3880
Reviewed-by: Adam Langley <agl@google.com>
2015-03-13 19:41:49 +00:00
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