diff options
| author | Nick Mathewson <nickm@torproject.org> | 2003-07-30 19:10:20 +0000 |
|---|---|---|
| committer | Nick Mathewson <nickm@torproject.org> | 2003-07-30 19:10:20 +0000 |
| commit | f12fdd62aa9ac5561dc2133a2110c3f9dd42900c (patch) | |
| tree | bf5ea7c1cea4a6a8e777418baac60915ea30fb2f /src/common/crypto.h | |
| parent | ab0f263fb95d2c79fa0b245b854c507d9df81a1e (diff) | |
| download | tor-f12fdd62aa9ac5561dc2133a2110c3f9dd42900c.tar.gz tor-f12fdd62aa9ac5561dc2133a2110c3f9dd42900c.zip | |
Be smarter about getting key matter from DH.
Formerly, once we had g^xy, we took the last N bytes from g^xy.
Now, we take SHA(g^xy || [0]) || SHA1(g^xy || [1]) || ... , in order
to use all bits from g^xy equally, and generate as much key material
as we need.
svn:r370
Diffstat (limited to 'src/common/crypto.h')
| -rw-r--r-- | src/common/crypto.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/common/crypto.h b/src/common/crypto.h index 50b2c9540d..181101b592 100644 --- a/src/common/crypto.h +++ b/src/common/crypto.h @@ -81,7 +81,7 @@ int crypto_dh_get_public(crypto_dh_env_t *dh, char *pubkey_out, int pubkey_out_len); int crypto_dh_compute_secret(crypto_dh_env_t *dh, char *pubkey, int pubkey_len, - char *secret_out); + char *secret_out, int secret_out_len); void crypto_dh_free(crypto_dh_env_t *dh); /* symmetric crypto */ |