FreeBSD/Linux Kernel Cross Reference
sys/crypto/openssl/ossl.h

     /*
      * Copyright (c) 2020 Netflix, Inc
      *
      * Redistribution and use in source and binary forms, with or without
      * modification, are permitted provided that the following conditions
      * are met:
      * 1. Redistributions of source code must retain the above copyright
      *    notice, this list of conditions and the following disclaimer,
      *    without modification.
     * 2. Redistributions in binary form must reproduce at minimum a disclaimer
     *    similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
     *    redistribution must be conditioned upon including a substantially
     *    similar Disclaimer requirement for further binary redistribution.
     *
     * NO WARRANTY
     * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
     * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
     * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
     * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
     * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
     * THE POSSIBILITY OF SUCH DAMAGES.
     *
     * $FreeBSD$
     */
    
    #ifndef __OSSL_H__
    #define __OSSL_H__
    
    /* Compatibility shims. */
    #define OPENSSL_cleanse         explicit_bzero
    
    struct cryptop;
    struct crypto_session_params;
    struct ossl_softc;
    struct ossl_session;
    
    int     ossl_chacha20_poly1305_decrypt(struct cryptop *crp,
                const struct crypto_session_params *csp);
    int     ossl_chacha20_poly1305_encrypt(struct cryptop *crp,
                const struct crypto_session_params *csp);
    void ossl_cpuid(struct ossl_softc *sc);
    
    struct ossl_softc {
            int32_t sc_cid;
            bool has_aes;
    };
    
    /* Needs to be big enough to hold any hash context. */
    struct ossl_hash_context {
            uint32_t        dummy[61];
    } __aligned(32);
    
    struct ossl_cipher_context {
            uint32_t        dummy[61];
    } __aligned(32);
    
    struct ossl_session_hash {
            struct ossl_hash_context ictx;
            struct ossl_hash_context octx;
            struct auth_hash *axf;
            u_int mlen;
    };
    
    struct ossl_session_cipher {
            struct ossl_cipher_context dec_ctx;
            struct ossl_cipher_context enc_ctx;
            struct ossl_cipher *cipher;
    };
    
    struct ossl_session {
            struct ossl_session_cipher cipher;
            struct ossl_session_hash hash;
    };
    
    extern struct auth_hash ossl_hash_poly1305;
    extern struct auth_hash ossl_hash_sha1;
    extern struct auth_hash ossl_hash_sha224;
    extern struct auth_hash ossl_hash_sha256;
    extern struct auth_hash ossl_hash_sha384;
    extern struct auth_hash ossl_hash_sha512;
    
    extern struct ossl_cipher ossl_cipher_aes_cbc;
    extern struct ossl_cipher ossl_cipher_chacha20;
    
    #endif /* !__OSSL_H__ */

Cache object: b40bf44b61623a693ad3ddd2bc8e3843