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Diffstat (limited to 'src/or/relay_crypto_st.h')
| -rw-r--r-- | src/or/relay_crypto_st.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/src/or/relay_crypto_st.h b/src/or/relay_crypto_st.h new file mode 100644 index 0000000000..4e23f4e404 --- /dev/null +++ b/src/or/relay_crypto_st.h @@ -0,0 +1,27 @@ +/* Copyright (c) 2001 Matej Pfajfar. + * Copyright (c) 2001-2004, Roger Dingledine. + * Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson. + * Copyright (c) 2007-2018, The Tor Project, Inc. */ +/* See LICENSE for licensing information */ + +#ifndef RELAY_CRYPTO_ST_H +#define RELAY_CRYPTO_ST_H + +struct relay_crypto_t { + /* crypto environments */ + /** Encryption key and counter for cells heading towards the OR at this + * step. */ + crypto_cipher_t *f_crypto; + /** Encryption key and counter for cells heading back from the OR at this + * step. */ + crypto_cipher_t *b_crypto; + + /** Digest state for cells heading towards the OR at this step. */ + crypto_digest_t *f_digest; /* for integrity checking */ + /** Digest state for cells heading away from the OR at this step. */ + crypto_digest_t *b_digest; + +}; + +#endif + |