diff options
| author | Justus Winter <justus@sequoia-pgp.org> | 2020-07-28 17:25:24 +0200 |
|---|---|---|
| committer | Justus Winter <justus@sequoia-pgp.org> | 2020-07-28 17:25:24 +0200 |
| commit | 076e1bc52c3bad717b8a6b8322ebb0daf044793a (patch) | |
| tree | 9925f0f964a80ad26944059c455994480b70a513 /openpgp/src/crypto/backend/nettle/ecdh.rs | |
| parent | b9f1dac59c758826c7c92541d01f447179a1e4d2 (diff) | |
openpgp: Explicitly handle plaintexts being too large.
- Fixes undefined behavior (a likely crash) in pkcs5_pad.
Diffstat (limited to 'openpgp/src/crypto/backend/nettle/ecdh.rs')
| -rw-r--r-- | openpgp/src/crypto/backend/nettle/ecdh.rs | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/openpgp/src/crypto/backend/nettle/ecdh.rs b/openpgp/src/crypto/backend/nettle/ecdh.rs index c6bd5552..f3f820b5 100644 --- a/openpgp/src/crypto/backend/nettle/ecdh.rs +++ b/openpgp/src/crypto/backend/nettle/ecdh.rs @@ -138,7 +138,7 @@ pub fn encrypt_shared<R>(recipient: &Key<key::PublicParts, R>, // m = sym_alg_ID || session key || checksum || pkcs5_padding; let mut m = Vec::with_capacity(40); m.extend_from_slice(session_key); - let m = pkcs5_pad(m.into(), 40); + let m = pkcs5_pad(m.into(), 40)?; // Note: We always pad up to 40 bytes to obfuscate the // length of the symmetric key. |