crypto/s390x_arch.h

   1 /*
   2  * Copyright 2017-2020 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 void s390x_kimd(const unsigned char *in, size_t len, unsigned int fc,
  16                 void *param);
  17 void s390x_klmd(const unsigned char *in, size_t inlen, unsigned char *out,
  18                 size_t outlen, unsigned int fc, void *param);
  19 void s390x_km(const unsigned char *in, size_t len, unsigned char *out,
  20               unsigned int fc, void *param);
  21 void s390x_kmac(const unsigned char *in, size_t len, unsigned int fc,
  22                 void *param);
  23 void s390x_kmo(const unsigned char *in, size_t len, unsigned char *out,
  24                unsigned int fc, void *param);
  25 void s390x_kmf(const unsigned char *in, size_t len, unsigned char *out,
  26                unsigned int fc, void *param);
  27 void s390x_kma(const unsigned char *aad, size_t alen, const unsigned char *in,
  28                size_t len, unsigned char *out, unsigned int fc, void *param);
  29 int s390x_pcc(unsigned int fc, void *param);
  30 int s390x_kdsa(unsigned int fc, void *param, const unsigned char *in,
  31                size_t len);
  32
  33 void s390x_flip_endian32(unsigned char dst[32], const unsigned char src[32]);
  34 void s390x_flip_endian64(unsigned char dst[64], const unsigned char src[64]);
  35
  36 int s390x_x25519_mul(unsigned char u_dst[32],
  37                      const unsigned char u_src[32],
  38                      const unsigned char d_src[32]);
  39 int s390x_x448_mul(unsigned char u_dst[56],
  40                    const unsigned char u_src[56],
  41                    const unsigned char d_src[56]);
  42 int s390x_ed25519_mul(unsigned char x_dst[32],
  43                       unsigned char y_dst[32],
  44                       const unsigned char x_src[32],
  45                       const unsigned char y_src[32],
  46                       const unsigned char d_src[32]);
  47 int s390x_ed448_mul(unsigned char x_dst[57],
  48                     unsigned char y_dst[57],
  49                     const unsigned char x_src[57],
  50                     const unsigned char y_src[57],
  51                     const unsigned char d_src[57]);
  52
  53 /*
  54  * The field elements of OPENSSL_s390xcap_P are the 64-bit words returned by
  55  * the STFLE instruction followed by the 64-bit word pairs returned by
  56  * instructions' QUERY functions. If STFLE returns fewer data or an instruction
  57  * is not supported, the corresponding field elements are zero.
  58  */
  59 struct OPENSSL_s390xcap_st {
  60     unsigned long long stfle[4];
  61     unsigned long long kimd[2];
  62     unsigned long long klmd[2];
  63     unsigned long long km[2];
  64     unsigned long long kmc[2];
  65     unsigned long long kmac[2];
  66     unsigned long long kmctr[2];
  67     unsigned long long kmo[2];
  68     unsigned long long kmf[2];
  69     unsigned long long prno[2];
  70     unsigned long long kma[2];
  71     unsigned long long pcc[2];
  72     unsigned long long kdsa[2];
  73 };
  74
  75 extern struct OPENSSL_s390xcap_st OPENSSL_s390xcap_P;
  76
  77 /* Max number of 64-bit words currently returned by STFLE */
  78 #  define S390X_STFLE_MAX       3
  79
  80 /* convert facility bit number or function code to bit mask */
  81 #  define S390X_CAPBIT(i)       (1ULL << (63 - (i) % 64))
  82
  83 # endif
  84
  85 /* OPENSSL_s390xcap_P offsets [bytes] */
  86 # define S390X_STFLE            0x00
  87 # define S390X_KIMD             0x20
  88 # define S390X_KLMD             0x30
  89 # define S390X_KM               0x40
  90 # define S390X_KMC              0x50
  91 # define S390X_KMAC             0x60
  92 # define S390X_KMCTR            0x70
  93 # define S390X_KMO              0x80
  94 # define S390X_KMF              0x90
  95 # define S390X_PRNO             0xa0
  96 # define S390X_KMA              0xb0
  97 # define S390X_PCC              0xc0
  98 # define S390X_KDSA             0xd0
  99
 100 /* Facility Bit Numbers */
 101 # define S390X_MSA              17      /* message-security-assist */
 102 # define S390X_STCKF            25      /* store-clock-fast */
 103 # define S390X_MSA5             57      /* message-security-assist-ext. 5 */
 104 # define S390X_MSA3             76      /* message-security-assist-ext. 3 */
 105 # define S390X_MSA4             77      /* message-security-assist-ext. 4 */
 106 # define S390X_VX               129     /* vector */
 107 # define S390X_VXD              134     /* vector packed decimal */
 108 # define S390X_VXE              135     /* vector enhancements 1 */
 109 # define S390X_MSA8             146     /* message-security-assist-ext. 8 */
 110 # define S390X_MSA9             155     /* message-security-assist-ext. 9 */
 111
 112 /* Function Codes */
 113
 114 /* all instructions */
 115 # define S390X_QUERY            0
 116
 117 /* kimd/klmd */
 118 # define S390X_SHA_1            1
 119 # define S390X_SHA_256          2
 120 # define S390X_SHA_512          3
 121 # define S390X_SHA3_224         32
 122 # define S390X_SHA3_256         33
 123 # define S390X_SHA3_384         34
 124 # define S390X_SHA3_512         35
 125 # define S390X_SHAKE_128        36
 126 # define S390X_SHAKE_256        37
 127 # define S390X_GHASH            65
 128
 129 /* km/kmc/kmac/kmctr/kmo/kmf/kma */
 130 # define S390X_AES_128          18
 131 # define S390X_AES_192          19
 132 # define S390X_AES_256          20
 133
 134 /* km */
 135 # define S390X_XTS_AES_128      50
 136 # define S390X_XTS_AES_256      52
 137
 138 /* prno */
 139 # define S390X_SHA_512_DRNG     3
 140 # define S390X_TRNG             114
 141
 142 /* pcc */
 143 # define S390X_SCALAR_MULTIPLY_P256     64
 144 # define S390X_SCALAR_MULTIPLY_P384     65
 145 # define S390X_SCALAR_MULTIPLY_P521     66
 146 # define S390X_SCALAR_MULTIPLY_ED25519  72
 147 # define S390X_SCALAR_MULTIPLY_ED448    73
 148 # define S390X_SCALAR_MULTIPLY_X25519   80
 149 # define S390X_SCALAR_MULTIPLY_X448     81
 150
 151 /* kdsa */
 152 # define S390X_ECDSA_VERIFY_P256        1
 153 # define S390X_ECDSA_VERIFY_P384        2
 154 # define S390X_ECDSA_VERIFY_P521        3
 155 # define S390X_ECDSA_SIGN_P256          9
 156 # define S390X_ECDSA_SIGN_P384          10
 157 # define S390X_ECDSA_SIGN_P521          11
 158 # define S390X_EDDSA_VERIFY_ED25519     32
 159 # define S390X_EDDSA_VERIFY_ED448       36
 160 # define S390X_EDDSA_SIGN_ED25519       40
 161 # define S390X_EDDSA_SIGN_ED448         44
 162
 163 /* Register 0 Flags */
 164 # define S390X_DECRYPT          0x80
 165 # define S390X_KMA_LPC          0x100
 166 # define S390X_KMA_LAAD         0x200
 167 # define S390X_KMA_HS           0x400
 168 # define S390X_KDSA_D           0x80
 169
 170 #endif