crypto/s390x_arch.h

   1 /*
   2  * Copyright 2017-2018 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 /*
  37  * The field elements of OPENSSL_s390xcap_P are the 64-bit words returned by
  38  * the STFLE instruction followed by the 64-bit word pairs returned by
  39  * instructions' QUERY functions. If STFLE returns fewer data or an instruction
  40  * is not supported, the corresponding field elements are zero.
  41  */
  42 struct OPENSSL_s390xcap_st {
  43     unsigned long long stfle[4];
  44     unsigned long long kimd[2];
  45     unsigned long long klmd[2];
  46     unsigned long long km[2];
  47     unsigned long long kmc[2];
  48     unsigned long long kmac[2];
  49     unsigned long long kmctr[2];
  50     unsigned long long kmo[2];
  51     unsigned long long kmf[2];
  52     unsigned long long prno[2];
  53     unsigned long long kma[2];
  54     unsigned long long pcc[2];
  55     unsigned long long kdsa[2];
  56 };
  57
  58 extern struct OPENSSL_s390xcap_st OPENSSL_s390xcap_P;
  59
  60 /* Max number of 64-bit words currently returned by STFLE */
  61 #  define S390X_STFLE_MAX       3
  62
  63 /* convert facility bit number or function code to bit mask */
  64 #  define S390X_CAPBIT(i)       (1ULL << (63 - (i) % 64))
  65
  66 # endif
  67
  68 /* OPENSSL_s390xcap_P offsets [bytes] */
  69 # define S390X_STFLE            0x00
  70 # define S390X_KIMD             0x20
  71 # define S390X_KLMD             0x30
  72 # define S390X_KM               0x40
  73 # define S390X_KMC              0x50
  74 # define S390X_KMAC             0x60
  75 # define S390X_KMCTR            0x70
  76 # define S390X_KMO              0x80
  77 # define S390X_KMF              0x90
  78 # define S390X_PRNO             0xa0
  79 # define S390X_KMA              0xb0
  80 # define S390X_PCC              0xc0
  81 # define S390X_KDSA             0xd0
  82
  83 /* Facility Bit Numbers */
  84 # define S390X_MSA              17      /* message-security-assist */
  85 # define S390X_STCKF            25      /* store-clock-fast */
  86 # define S390X_MSA5             57      /* message-security-assist-ext. 5 */
  87 # define S390X_MSA3             76      /* message-security-assist-ext. 3 */
  88 # define S390X_MSA4             77      /* message-security-assist-ext. 4 */
  89 # define S390X_VX               129     /* vector */
  90 # define S390X_VXD              134     /* vector packed decimal */
  91 # define S390X_VXE              135     /* vector enhancements 1 */
  92 # define S390X_MSA8             146     /* message-security-assist-ext. 8 */
  93 # define S390X_MSA9             155     /* message-security-assist-ext. 9 */
  94
  95 /* Function Codes */
  96
  97 /* all instructions */
  98 # define S390X_QUERY            0
  99
 100 /* kimd/klmd */
 101 # define S390X_SHA_1            1
 102 # define S390X_SHA_256          2
 103 # define S390X_SHA_512          3
 104 # define S390X_SHA3_224         32
 105 # define S390X_SHA3_256         33
 106 # define S390X_SHA3_384         34
 107 # define S390X_SHA3_512         35
 108 # define S390X_SHAKE_128        36
 109 # define S390X_SHAKE_256        37
 110 # define S390X_GHASH            65
 111
 112 /* km/kmc/kmac/kmctr/kmo/kmf/kma */
 113 # define S390X_AES_128          18
 114 # define S390X_AES_192          19
 115 # define S390X_AES_256          20
 116
 117 /* km */
 118 # define S390X_XTS_AES_128      50
 119 # define S390X_XTS_AES_256      52
 120
 121 /* prno */
 122 # define S390X_SHA_512_DRNG     3
 123 # define S390X_TRNG             114
 124
 125 /* pcc */
 126 # define S390X_SCALAR_MULTIPLY_P256     64
 127 # define S390X_SCALAR_MULTIPLY_P384     65
 128 # define S390X_SCALAR_MULTIPLY_P521     66
 129 # define S390X_SCALAR_MULTIPLY_ED25519  72
 130 # define S390X_SCALAR_MULTIPLY_ED448    73
 131 # define S390X_SCALAR_MULTIPLY_X25519   80
 132 # define S390X_SCALAR_MULTIPLY_X448     81
 133
 134 /* kdsa */
 135 # define S390X_ECDSA_VERIFY_P256        1
 136 # define S390X_ECDSA_VERIFY_P384        2
 137 # define S390X_ECDSA_VERIFY_P521        3
 138 # define S390X_ECDSA_SIGN_P256          9
 139 # define S390X_ECDSA_SIGN_P384          10
 140 # define S390X_ECDSA_SIGN_P521          11
 141 # define S390X_EDDSA_VERIFY_ED25519     32
 142 # define S390X_EDDSA_VERIFY_ED448       36
 143 # define S390X_EDDSA_SIGN_ED25519       40
 144 # define S390X_EDDSA_SIGN_ED448         44
 145
 146 /* Register 0 Flags */
 147 # define S390X_DECRYPT          0x80
 148 # define S390X_KMA_LPC          0x100
 149 # define S390X_KMA_LAAD         0x200
 150 # define S390X_KMA_HS           0x400
 151 # define S390X_KDSA_D           0x80
 152
 153 #endif