mirror of
https://github.com/openssl/openssl.git
synced 2024-12-21 06:09:35 +08:00
cc731bc3f6
Reviewed-by: Shane Lontis <shane.lontis@oracle.com> Reviewed-by: Matt Caswell <matt@openssl.org> (Merged from https://github.com/openssl/openssl/pull/10662)
49 lines
1.6 KiB
C
49 lines
1.6 KiB
C
/*
|
|
* 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_ccm.h"
|
|
#include "crypto/aes_platform.h"
|
|
|
|
typedef struct prov_aes_ccm_ctx_st {
|
|
PROV_CCM_CTX base; /* Must be first */
|
|
union {
|
|
OSSL_UNION_ALIGN;
|
|
/*-
|
|
* Padding is chosen so that s390x.kmac.k overlaps with ks.ks and
|
|
* fc with ks.ks.rounds. Remember that on s390x, an AES_KEY's
|
|
* rounds field is used to store the function code and that the key
|
|
* schedule is not stored (if aes hardware support is detected).
|
|
*/
|
|
struct {
|
|
unsigned char pad[16];
|
|
AES_KEY ks;
|
|
} ks;
|
|
#if defined(OPENSSL_CPUID_OBJ) && defined(__s390__)
|
|
struct {
|
|
S390X_KMAC_PARAMS kmac;
|
|
unsigned long long blocks;
|
|
union {
|
|
unsigned long long g[2];
|
|
unsigned char b[AES_BLOCK_SIZE];
|
|
} nonce;
|
|
union {
|
|
unsigned long long g[2];
|
|
unsigned char b[AES_BLOCK_SIZE];
|
|
} buf;
|
|
unsigned char dummy_pad[168];
|
|
unsigned int fc; /* fc has same offset as ks.ks.rounds */
|
|
} s390x;
|
|
#endif /* defined(OPENSSL_CPUID_OBJ) && defined(__s390__) */
|
|
} ccm;
|
|
} PROV_AES_CCM_CTX;
|
|
|
|
const PROV_CCM_HW *PROV_AES_HW_ccm(size_t keylen);
|