1 /* 2 * Copyright 2019-2021 The OpenSSL Project Authors. All Rights Reserved. 3 * 4 * Licensed under the Apache License 2.0 (the "License"). You may not use 5 * this file except in compliance with the License. You can obtain a copy 6 * in the file LICENSE in the source distribution or at 7 * https://www.openssl.org/source/license.html 8 */ 9 10 #include <openssl/aes.h> 11 #include "prov/ciphercommon.h" 12 #include "prov/ciphercommon_gcm.h" 13 #include "crypto/aes_platform.h" 14 15 typedef struct prov_aes_gcm_ctx_st { 16 PROV_GCM_CTX base; /* must be first entry in struct */ 17 union { 18 OSSL_UNION_ALIGN; 19 AES_KEY ks; 20 } ks; /* AES key schedule to use */ 21 22 /* Platform specific data */ 23 union { 24 int dummy; 25 #if defined(OPENSSL_CPUID_OBJ) && defined(__s390__) 26 struct { 27 union { 28 OSSL_UNION_ALIGN; 29 S390X_KMA_PARAMS kma; 30 } param; 31 unsigned int fc; 32 unsigned int hsflag; /* hash subkey set flag */ 33 unsigned char ares[16]; 34 unsigned char mres[16]; 35 unsigned char kres[16]; 36 int areslen; 37 int mreslen; 38 int kreslen; 39 int res; 40 } s390x; 41 #endif /* defined(OPENSSL_CPUID_OBJ) && defined(__s390__) */ 42 } plat; 43 } PROV_AES_GCM_CTX; 44 45 const PROV_GCM_HW *ossl_prov_aes_hw_gcm(size_t keybits); 46