crypto/s390x_arch.h

   1 /*
   2  * Copyright 2017-2023 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 #ifndef OSSL_CRYPTO_S390X_ARCH_H
  11 # define OSSL_CRYPTO_S390X_ARCH_H
  12
  13 # ifndef __ASSEMBLER__
  14
  15 #include "crypto/bn.h"
  16
  17 void s390x_kimd(const unsigned char *in, size_t len, unsigned int fc,
  18                 void *param);
  19 void s390x_klmd(const unsigned char *in, size_t inlen, unsigned char *out,
  20                 size_t outlen, unsigned int fc, void *param);
  21 void s390x_km(const unsigned char *in, size_t len, unsigned char *out,
  22               unsigned int fc, void *param);
  23 void s390x_kmac(const unsigned char *in, size_t len, unsigned int fc,
  24                 void *param);
  25 void s390x_kmo(const unsigned char *in, size_t len, unsigned char *out,
  26                unsigned int fc, void *param);
  27 void s390x_kmf(const unsigned char *in, size_t len, unsigned char *out,
  28                unsigned int fc, void *param);
  29 void s390x_kma(const unsigned char *aad, size_t alen, const unsigned char *in,
  30                size_t len, unsigned char *out, unsigned int fc, void *param);
  31 int s390x_pcc(unsigned int fc, void *param);
  32 int s390x_kdsa(unsigned int fc, void *param, const unsigned char *in,
  33                size_t len);
  34
  35 void s390x_flip_endian32(unsigned char dst[32], const unsigned char src[32]);
  36 void s390x_flip_endian64(unsigned char dst[64], const unsigned char src[64]);
  37
  38 int s390x_x25519_mul(unsigned char u_dst[32],
  39                      const unsigned char u_src[32],
  40                      const unsigned char d_src[32]);
  41 int s390x_x448_mul(unsigned char u_dst[56],
  42                    const unsigned char u_src[56],
  43                    const unsigned char d_src[56]);
  44 int s390x_ed25519_mul(unsigned char x_dst[32],
  45                       unsigned char y_dst[32],
  46                       const unsigned char x_src[32],
  47                       const unsigned char y_src[32],
  48                       const unsigned char d_src[32]);
  49 int s390x_ed448_mul(unsigned char x_dst[57],
  50                     unsigned char y_dst[57],
  51                     const unsigned char x_src[57],
  52                     const unsigned char y_src[57],
  53                     const unsigned char d_src[57]);
  54
  55 /*
  56  * The field elements of OPENSSL_s390xcap_P are the 64-bit words returned by
  57  * the STFLE instruction followed by the 64-bit word pairs returned by
  58  * instructions' QUERY functions. If STFLE returns fewer data or an instruction
  59  * is not supported, the corresponding field elements are zero.
  60  */
  61 struct OPENSSL_s390xcap_st {
  62     unsigned long long stfle[4];
  63     unsigned long long kimd[2];
  64     unsigned long long klmd[2];
  65     unsigned long long km[2];
  66     unsigned long long kmc[2];
  67     unsigned long long kmac[2];
  68     unsigned long long kmctr[2];
  69     unsigned long long kmo[2];
  70     unsigned long long kmf[2];
  71     unsigned long long prno[2];
  72     unsigned long long kma[2];
  73     unsigned long long pcc[2];
  74     unsigned long long kdsa[2];
  75 };
  76
  77 #if defined(__GNUC__) && defined(__linux)
  78 __attribute__ ((visibility("hidden")))
  79 #endif
  80 extern struct OPENSSL_s390xcap_st OPENSSL_s390xcap_P;
  81
  82 #ifdef S390X_MOD_EXP
  83 # if defined(__GNUC__) && defined(__linux)
  84 __attribute__ ((visibility("hidden")))
  85 # endif
  86 extern int OPENSSL_s390xcex;
  87 #endif
  88
  89 /* Max number of 64-bit words currently returned by STFLE */
  90 #  define S390X_STFLE_MAX       3
  91
  92 /* convert facility bit number or function code to bit mask */
  93 #  define S390X_CAPBIT(i)       (1ULL << (63 - (i) % 64))
  94
  95 # endif
  96
  97 /* OPENSSL_s390xcap_P offsets [bytes] */
  98 # define S390X_STFLE            0x00
  99 # define S390X_KIMD             0x20
 100 # define S390X_KLMD             0x30
 101 # define S390X_KM               0x40
 102 # define S390X_KMC              0x50
 103 # define S390X_KMAC             0x60
 104 # define S390X_KMCTR            0x70
 105 # define S390X_KMO              0x80
 106 # define S390X_KMF              0x90
 107 # define S390X_PRNO             0xa0
 108 # define S390X_KMA              0xb0
 109 # define S390X_PCC              0xc0
 110 # define S390X_KDSA             0xd0
 111
 112 /* Facility Bit Numbers */
 113 # define S390X_MSA              17      /* message-security-assist */
 114 # define S390X_STCKF            25      /* store-clock-fast */
 115 # define S390X_MSA5             57      /* message-security-assist-ext. 5 */
 116 # define S390X_MSA3             76      /* message-security-assist-ext. 3 */
 117 # define S390X_MSA4             77      /* message-security-assist-ext. 4 */
 118 # define S390X_VX               129     /* vector */
 119 # define S390X_VXD              134     /* vector packed decimal */
 120 # define S390X_VXE              135     /* vector enhancements 1 */
 121 # define S390X_MSA8             146     /* message-security-assist-ext. 8 */
 122 # define S390X_MSA9             155     /* message-security-assist-ext. 9 */
 123
 124 /* Function Codes */
 125
 126 /* all instructions */
 127 # define S390X_QUERY            0
 128
 129 /* kimd/klmd */
 130 # define S390X_SHA_1            1
 131 # define S390X_SHA_256          2
 132 # define S390X_SHA_512          3
 133 # define S390X_SHA3_224         32
 134 # define S390X_SHA3_256         33
 135 # define S390X_SHA3_384         34
 136 # define S390X_SHA3_512         35
 137 # define S390X_KECCAK_224       32
 138 # define S390X_KECCAK_256       33
 139 # define S390X_KECCAK_384       34
 140 # define S390X_KECCAK_512       35
 141 # define S390X_SHAKE_128        36
 142 # define S390X_SHAKE_256        37
 143 # define S390X_GHASH            65
 144
 145 /* km/kmc/kmac/kmctr/kmo/kmf/kma */
 146 # define S390X_AES_128          18
 147 # define S390X_AES_192          19
 148 # define S390X_AES_256          20
 149
 150 /* km */
 151 # define S390X_XTS_AES_128      50
 152 # define S390X_XTS_AES_256      52
 153
 154 /* prno */
 155 # define S390X_SHA_512_DRNG     3
 156 # define S390X_TRNG             114
 157
 158 /* pcc */
 159 # define S390X_SCALAR_MULTIPLY_P256     64
 160 # define S390X_SCALAR_MULTIPLY_P384     65
 161 # define S390X_SCALAR_MULTIPLY_P521     66
 162 # define S390X_SCALAR_MULTIPLY_ED25519  72
 163 # define S390X_SCALAR_MULTIPLY_ED448    73
 164 # define S390X_SCALAR_MULTIPLY_X25519   80
 165 # define S390X_SCALAR_MULTIPLY_X448     81
 166
 167 /* kdsa */
 168 # define S390X_ECDSA_VERIFY_P256        1
 169 # define S390X_ECDSA_VERIFY_P384        2
 170 # define S390X_ECDSA_VERIFY_P521        3
 171 # define S390X_ECDSA_SIGN_P256          9
 172 # define S390X_ECDSA_SIGN_P384          10
 173 # define S390X_ECDSA_SIGN_P521          11
 174 # define S390X_EDDSA_VERIFY_ED25519     32
 175 # define S390X_EDDSA_VERIFY_ED448       36
 176 # define S390X_EDDSA_SIGN_ED25519       40
 177 # define S390X_EDDSA_SIGN_ED448         44
 178
 179 /* Register 0 Flags */
 180 # define S390X_DECRYPT          0x80
 181 # define S390X_KMA_LPC          0x100
 182 # define S390X_KMA_LAAD         0x200
 183 # define S390X_KMA_HS           0x400
 184 # define S390X_KDSA_D           0x80
 185 # define S390X_KLMD_PS          0x100
 186
 187 #endif