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/*
* Copyright 2017-2022 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
*/
#ifndef OSSL_CRYPTO_S390X_ARCH_H
# define OSSL_CRYPTO_S390X_ARCH_H
# ifndef __ASSEMBLER__
#include "crypto/bn.h"
void s390x_kimd(const unsigned char *in, size_t len, unsigned int fc,
void *param);
void s390x_klmd(const unsigned char *in, size_t inlen, unsigned char *out,
size_t outlen, unsigned int fc, void *param);
void s390x_km(const unsigned char *in, size_t len, unsigned char *out,
unsigned int fc, void *param);
void s390x_kmac(const unsigned char *in, size_t len, unsigned int fc,
void *param);
void s390x_kmo(const unsigned char *in, size_t len, unsigned char *out,
unsigned int fc, void *param);
void s390x_kmf(const unsigned char *in, size_t len, unsigned char *out,
unsigned int fc, void *param);
void s390x_kma(const unsigned char *aad, size_t alen, const unsigned char *in,
size_t len, unsigned char *out, unsigned int fc, void *param);
int s390x_pcc(unsigned int fc, void *param);
int s390x_kdsa(unsigned int fc, void *param, const unsigned char *in,
size_t len);
void s390x_flip_endian32(unsigned char dst[32], const unsigned char src[32]);
void s390x_flip_endian64(unsigned char dst[64], const unsigned char src[64]);
int s390x_x25519_mul(unsigned char u_dst[32],
const unsigned char u_src[32],
const unsigned char d_src[32]);
int s390x_x448_mul(unsigned char u_dst[56],
const unsigned char u_src[56],
const unsigned char d_src[56]);
int s390x_ed25519_mul(unsigned char x_dst[32],
unsigned char y_dst[32],
const unsigned char x_src[32],
const unsigned char y_src[32],
const unsigned char d_src[32]);
int s390x_ed448_mul(unsigned char x_dst[57],
unsigned char y_dst[57],
const unsigned char x_src[57],
const unsigned char y_src[57],
const unsigned char d_src[57]);
/*
* The field elements of OPENSSL_s390xcap_P are the 64-bit words returned by
* the STFLE instruction followed by the 64-bit word pairs returned by
* instructions' QUERY functions. If STFLE returns fewer data or an instruction
* is not supported, the corresponding field elements are zero.
*/
struct OPENSSL_s390xcap_st {
unsigned long long stfle[4];
unsigned long long kimd[2];
unsigned long long klmd[2];
unsigned long long km[2];
unsigned long long kmc[2];
unsigned long long kmac[2];
unsigned long long kmctr[2];
unsigned long long kmo[2];
unsigned long long kmf[2];
unsigned long long prno[2];
unsigned long long kma[2];
unsigned long long pcc[2];
unsigned long long kdsa[2];
};
#if defined(__GNUC__) && defined(__linux)
__attribute__ ((visibility("hidden")))
#endif
extern struct OPENSSL_s390xcap_st OPENSSL_s390xcap_P;
#ifdef S390X_MOD_EXP
# if defined(__GNUC__) && defined(__linux)
__attribute__ ((visibility("hidden")))
# endif
extern int OPENSSL_s390xcex;
#endif
/* Max number of 64-bit words currently returned by STFLE */
# define S390X_STFLE_MAX 3
/* convert facility bit number or function code to bit mask */
# define S390X_CAPBIT(i) (1ULL << (63 - (i) % 64))
# endif
/* OPENSSL_s390xcap_P offsets [bytes] */
# define S390X_STFLE 0x00
# define S390X_KIMD 0x20
# define S390X_KLMD 0x30
# define S390X_KM 0x40
# define S390X_KMC 0x50
# define S390X_KMAC 0x60
# define S390X_KMCTR 0x70
# define S390X_KMO 0x80
# define S390X_KMF 0x90
# define S390X_PRNO 0xa0
# define S390X_KMA 0xb0
# define S390X_PCC 0xc0
# define S390X_KDSA 0xd0
/* Facility Bit Numbers */
# define S390X_MSA 17 /* message-security-assist */
# define S390X_STCKF 25 /* store-clock-fast */
# define S390X_MSA5 57 /* message-security-assist-ext. 5 */
# define S390X_MSA3 76 /* message-security-assist-ext. 3 */
# define S390X_MSA4 77 /* message-security-assist-ext. 4 */
# define S390X_VX 129 /* vector */
# define S390X_VXD 134 /* vector packed decimal */
# define S390X_VXE 135 /* vector enhancements 1 */
# define S390X_MSA8 146 /* message-security-assist-ext. 8 */
# define S390X_MSA9 155 /* message-security-assist-ext. 9 */
/* Function Codes */
/* all instructions */
# define S390X_QUERY 0
/* kimd/klmd */
# define S390X_SHA_1 1
# define S390X_SHA_256 2
# define S390X_SHA_512 3
# define S390X_SHA3_224 32
# define S390X_SHA3_256 33
# define S390X_SHA3_384 34
# define S390X_SHA3_512 35
# define S390X_KECCAK_224 32
# define S390X_KECCAK_256 33
# define S390X_KECCAK_384 34
# define S390X_KECCAK_512 35
# define S390X_SHAKE_128 36
# define S390X_SHAKE_256 37
# define S390X_GHASH 65
/* km/kmc/kmac/kmctr/kmo/kmf/kma */
# define S390X_AES_128 18
# define S390X_AES_192 19
# define S390X_AES_256 20
/* km */
# define S390X_XTS_AES_128 50
# define S390X_XTS_AES_256 52
/* prno */
# define S390X_SHA_512_DRNG 3
# define S390X_TRNG 114
/* pcc */
# define S390X_SCALAR_MULTIPLY_P256 64
# define S390X_SCALAR_MULTIPLY_P384 65
# define S390X_SCALAR_MULTIPLY_P521 66
# define S390X_SCALAR_MULTIPLY_ED25519 72
# define S390X_SCALAR_MULTIPLY_ED448 73
# define S390X_SCALAR_MULTIPLY_X25519 80
# define S390X_SCALAR_MULTIPLY_X448 81
/* kdsa */
# define S390X_ECDSA_VERIFY_P256 1
# define S390X_ECDSA_VERIFY_P384 2
# define S390X_ECDSA_VERIFY_P521 3
# define S390X_ECDSA_SIGN_P256 9
# define S390X_ECDSA_SIGN_P384 10
# define S390X_ECDSA_SIGN_P521 11
# define S390X_EDDSA_VERIFY_ED25519 32
# define S390X_EDDSA_VERIFY_ED448 36
# define S390X_EDDSA_SIGN_ED25519 40
# define S390X_EDDSA_SIGN_ED448 44
/* Register 0 Flags */
# define S390X_DECRYPT 0x80
# define S390X_KMA_LPC 0x100
# define S390X_KMA_LAAD 0x200
# define S390X_KMA_HS 0x400
# define S390X_KDSA_D 0x80
# define S390X_KLMD_PS 0x100
#endif
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