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7d6766cb53
Also convert the names to lower case. Reviewed-by: Richard Levitte <levitte@openssl.org> (Merged from https://github.com/openssl/openssl/pull/13014)
49 lines
1.6 KiB
C
49 lines
1.6 KiB
C
/*
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* Copyright 2019 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the Apache License 2.0 (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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#include <openssl/aes.h>
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#include "prov/ciphercommon.h"
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#include "prov/ciphercommon_ccm.h"
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#include "crypto/aes_platform.h"
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typedef struct prov_aes_ccm_ctx_st {
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PROV_CCM_CTX base; /* Must be first */
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union {
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OSSL_UNION_ALIGN;
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/*-
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* Padding is chosen so that s390x.kmac.k overlaps with ks.ks and
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* fc with ks.ks.rounds. Remember that on s390x, an AES_KEY's
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* rounds field is used to store the function code and that the key
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* schedule is not stored (if aes hardware support is detected).
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*/
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struct {
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unsigned char pad[16];
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AES_KEY ks;
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} ks;
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#if defined(OPENSSL_CPUID_OBJ) && defined(__s390__)
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struct {
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S390X_KMAC_PARAMS kmac;
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unsigned long long blocks;
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union {
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unsigned long long g[2];
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unsigned char b[AES_BLOCK_SIZE];
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} nonce;
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union {
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unsigned long long g[2];
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unsigned char b[AES_BLOCK_SIZE];
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} buf;
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unsigned char dummy_pad[168];
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unsigned int fc; /* fc has same offset as ks.ks.rounds */
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} s390x;
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#endif /* defined(OPENSSL_CPUID_OBJ) && defined(__s390__) */
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} ccm;
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} PROV_AES_CCM_CTX;
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const PROV_CCM_HW *ossl_prov_aes_hw_ccm(size_t keylen);
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