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91 lines
2.9 KiB
C
91 lines
2.9 KiB
C
/*
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* Copyright (c) 2020 Netflix, Inc
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer,
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* without modification.
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* 2. Redistributions in binary form must reproduce at minimum a disclaimer
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* similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
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* redistribution must be conditioned upon including a substantially
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* similar Disclaimer requirement for further binary redistribution.
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*
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* NO WARRANTY
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
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* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
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* OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
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* IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGES.
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*/
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#ifndef __OSSL_H__
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#define __OSSL_H__
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/* Compatibility shims. */
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#define OPENSSL_cleanse explicit_bzero
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struct cryptop;
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struct crypto_session_params;
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struct ossl_softc;
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struct ossl_session;
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int ossl_chacha20_poly1305_decrypt(struct cryptop *crp,
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const struct crypto_session_params *csp);
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int ossl_chacha20_poly1305_encrypt(struct cryptop *crp,
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const struct crypto_session_params *csp);
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void ossl_cpuid(struct ossl_softc *sc);
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struct ossl_softc {
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int32_t sc_cid;
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bool has_aes;
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bool has_aes_gcm;
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};
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/* Needs to be big enough to hold any hash context. */
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struct ossl_hash_context {
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uint32_t dummy[196];
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} __aligned(32);
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struct ossl_cipher_context {
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uint32_t dummy[196];
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} __aligned(32);
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struct ossl_session_hash {
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struct ossl_hash_context ictx;
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struct ossl_hash_context octx;
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struct auth_hash *axf;
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u_int mlen;
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};
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struct ossl_session_cipher {
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struct ossl_cipher_context dec_ctx;
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struct ossl_cipher_context enc_ctx;
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struct ossl_cipher *cipher;
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};
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struct ossl_session {
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struct ossl_session_cipher cipher;
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struct ossl_session_hash hash;
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};
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extern struct auth_hash ossl_hash_poly1305;
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extern struct auth_hash ossl_hash_sha1;
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extern struct auth_hash ossl_hash_sha224;
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extern struct auth_hash ossl_hash_sha256;
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extern struct auth_hash ossl_hash_sha384;
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extern struct auth_hash ossl_hash_sha512;
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extern struct ossl_cipher ossl_cipher_aes_cbc;
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extern struct ossl_cipher ossl_cipher_aes_gcm;
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extern struct ossl_cipher ossl_cipher_chacha20;
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#endif /* !__OSSL_H__ */
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