tree 1ad0fa81acbc81d72a178287fc7dfb0abaa80edc
parent c0c9001440db8121bdc1ff1307b3a9aedf26fcd8
author Adam Langley <agl@google.com> 1539717111 -0700
committer CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org> 1540249977 +0000

Flatten EVP_AEAD_CTX

An EVP_AEAD_CTX used to be a small struct that contained a pointer to
an AEAD-specific context. That involved heap allocating the
AEAD-specific context, which was a problem for users who wanted to setup
and discard these objects quickly.

Instead this change makes EVP_AEAD_CTX large enough to contain the
AEAD-specific context inside itself. The dominant AEAD is AES-GCM, and
that's also the largest. So, in practice, this shouldn't waste too much
memory.

Change-Id: I795cb37afae9df1424f882adaf514a222e040c80
Reviewed-on: https://boringssl-review.googlesource.com/c/32506
Commit-Queue: Adam Langley <agl@google.com>
CQ-Verified: CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org>
Reviewed-by: David Benjamin <davidben@google.com>