1 /* 2 * Copyright (c) 2020 Netflix, Inc 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer, 9 * without modification. 10 * 2. Redistributions in binary form must reproduce at minimum a disclaimer 11 * similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any 12 * redistribution must be conditioned upon including a substantially 13 * similar Disclaimer requirement for further binary redistribution. 14 * 15 * NO WARRANTY 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18 * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY 19 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL 20 * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, 21 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER 24 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 26 * THE POSSIBILITY OF SUCH DAMAGES. 27 */ 28 29 #ifndef __OSSL_H__ 30 #define __OSSL_H__ 31 32 /* Compatibility shims. */ 33 #define OPENSSL_cleanse explicit_bzero 34 35 struct cryptop; 36 struct crypto_session_params; 37 struct ossl_softc; 38 struct ossl_session; 39 40 int ossl_chacha20_poly1305_decrypt(struct cryptop *crp, 41 const struct crypto_session_params *csp); 42 int ossl_chacha20_poly1305_encrypt(struct cryptop *crp, 43 const struct crypto_session_params *csp); 44 void ossl_cpuid(struct ossl_softc *sc); 45 46 struct ossl_softc { 47 int32_t sc_cid; 48 bool has_aes; 49 bool has_aes_gcm; 50 }; 51 52 /* Needs to be big enough to hold any hash context. */ 53 struct ossl_hash_context { 54 uint32_t dummy[196]; 55 } __aligned(32); 56 57 struct ossl_cipher_context { 58 uint32_t dummy[196]; 59 } __aligned(32); 60 61 struct ossl_session_hash { 62 struct ossl_hash_context ictx; 63 struct ossl_hash_context octx; 64 struct auth_hash *axf; 65 u_int mlen; 66 }; 67 68 struct ossl_session_cipher { 69 struct ossl_cipher_context dec_ctx; 70 struct ossl_cipher_context enc_ctx; 71 struct ossl_cipher *cipher; 72 }; 73 74 struct ossl_session { 75 struct ossl_session_cipher cipher; 76 struct ossl_session_hash hash; 77 }; 78 79 extern struct auth_hash ossl_hash_poly1305; 80 extern struct auth_hash ossl_hash_sha1; 81 extern struct auth_hash ossl_hash_sha224; 82 extern struct auth_hash ossl_hash_sha256; 83 extern struct auth_hash ossl_hash_sha384; 84 extern struct auth_hash ossl_hash_sha512; 85 86 extern struct ossl_cipher ossl_cipher_aes_cbc; 87 extern struct ossl_cipher ossl_cipher_aes_gcm; 88 extern struct ossl_cipher ossl_cipher_chacha20; 89 90 #endif /* !__OSSL_H__ */ 91