openssl/providers/implementations/ciphers/cipher_aes_gcm.h

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/*
* Copyright 2019 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#include <openssl/aes.h>
#include "prov/ciphercommon.h"
#include "prov/ciphercommon_gcm.h"
#include "crypto/aes_platform.h"
typedef struct prov_aes_gcm_ctx_st {
PROV_GCM_CTX base; /* must be first entry in struct */
union {
OSSL_UNION_ALIGN;
AES_KEY ks;
} ks; /* AES key schedule to use */
/* Platform specific data */
union {
int dummy;
#if defined(OPENSSL_CPUID_OBJ) && defined(__s390__)
struct {
union {
OSSL_UNION_ALIGN;
S390X_KMA_PARAMS kma;
} param;
unsigned int fc;
unsigned char ares[16];
unsigned char mres[16];
unsigned char kres[16];
int areslen;
int mreslen;
int kreslen;
int res;
} s390x;
#endif /* defined(OPENSSL_CPUID_OBJ) && defined(__s390__) */
} plat;
} PROV_AES_GCM_CTX;
const PROV_GCM_HW *PROV_AES_HW_gcm(size_t keybits);