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openssl/crypto/s390xcap.c
Juergen Christ 79040cf29e S390x: Support ME and CRT offloading 
S390x has to ability to offload modular exponentiation and CRT operations to
Crypto Express Adapters.  This possible performance optimization was not yet
used by OpenSSL.  Add support for offloading and implement an optimized
version of RSA and DH with it.

The environment variable OPENSSL_s390xcap now recognizes the token "nocex" to
prevent offloading.

Signed-off-by: Juergen Christ <jchrist@linux.ibm.com>

Reviewed-by: Paul Dale <pauli@openssl.org>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/20113)
2023-02-08 16:53:12 +01:00

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/*
* Copyright 2010-2022 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
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <setjmp.h>
#include <signal.h>
#include "internal/cryptlib.h"
#include "crypto/ctype.h"
#include "s390x_arch.h"
#if defined(OPENSSL_SYS_LINUX) && !defined(FIPS_MODULE)
# include <sys/types.h>
# include <sys/stat.h>
# include <fcntl.h>
# include <asm/zcrypt.h>
# include <sys/ioctl.h>
# include <unistd.h>
#endif
#if defined(__GLIBC__) && defined(__GLIBC_PREREQ)
# if __GLIBC_PREREQ(2, 16)
# include <sys/auxv.h>
# if defined(HWCAP_S390_STFLE) && defined(HWCAP_S390_VX)
# define OSSL_IMPLEMENT_GETAUXVAL
# endif
# endif
#endif
#define LEN 128
#define STR_(S) #S
#define STR(S) STR_(S)
#define TOK_FUNC(NAME) \
(sscanf(tok_begin, \
" " STR(NAME) " : %" STR(LEN) "[^:] : " \
"%" STR(LEN) "s %" STR(LEN) "s ", \
tok[0], tok[1], tok[2]) == 2) { \
\
off = (tok[0][0] == '~') ? 1 : 0; \
if (sscanf(tok[0] + off, "%llx", &cap->NAME[0]) != 1) \
goto ret; \
if (off) \
cap->NAME[0] = ~cap->NAME[0]; \
\
off = (tok[1][0] == '~') ? 1 : 0; \
if (sscanf(tok[1] + off, "%llx", &cap->NAME[1]) != 1) \
goto ret; \
if (off) \
cap->NAME[1] = ~cap->NAME[1]; \
}
#define TOK_CPU(NAME) \
(sscanf(tok_begin, \
" %" STR(LEN) "s %" STR(LEN) "s ", \
tok[0], tok[1]) == 1 \
&& !strcmp(tok[0], #NAME)) { \
memcpy(cap, &NAME, sizeof(*cap)); \
}
#ifndef OSSL_IMPLEMENT_GETAUXVAL
static sigjmp_buf ill_jmp;
static void ill_handler(int sig)
{
siglongjmp(ill_jmp, sig);
}
void OPENSSL_vx_probe(void);
#endif
static const char *env;
static int parse_env(struct OPENSSL_s390xcap_st *cap, int *cex);
void OPENSSL_s390x_facilities(void);
void OPENSSL_s390x_functions(void);
struct OPENSSL_s390xcap_st OPENSSL_s390xcap_P;
#ifdef S390X_MOD_EXP
static int probe_cex(void);
int OPENSSL_s390xcex;
#if defined(__GNUC__)
__attribute__ ((visibility("hidden")))
#endif
void OPENSSL_s390x_cleanup(void);
#if defined(__GNUC__)
__attribute__ ((visibility("hidden")))
#endif
void OPENSSL_s390x_cleanup(void)
{
if (OPENSSL_s390xcex != -1) {
(void)close(OPENSSL_s390xcex);
OPENSSL_s390xcex = -1;
}
}
#endif
#if defined(__GNUC__) && defined(__linux)
__attribute__ ((visibility("hidden")))
#endif
void OPENSSL_cpuid_setup(void)
{
struct OPENSSL_s390xcap_st cap;
int cex = 1;
if (OPENSSL_s390xcap_P.stfle[0])
return;
/* set a bit that will not be tested later */
OPENSSL_s390xcap_P.stfle[0] |= S390X_CAPBIT(0);
#if defined(OSSL_IMPLEMENT_GETAUXVAL)
{
const unsigned long hwcap = getauxval(AT_HWCAP);
/* protection against missing store-facility-list-extended */
if (hwcap & HWCAP_S390_STFLE)
OPENSSL_s390x_facilities();
/* protection against disabled vector facility */
if (!(hwcap & HWCAP_S390_VX)) {
OPENSSL_s390xcap_P.stfle[2] &= ~(S390X_CAPBIT(S390X_VX)
| S390X_CAPBIT(S390X_VXD)
| S390X_CAPBIT(S390X_VXE));
}
}
#else
{
sigset_t oset;
struct sigaction ill_act, oact_ill, oact_fpe;
memset(&ill_act, 0, sizeof(ill_act));
ill_act.sa_handler = ill_handler;
sigfillset(&ill_act.sa_mask);
sigdelset(&ill_act.sa_mask, SIGILL);
sigdelset(&ill_act.sa_mask, SIGFPE);
sigdelset(&ill_act.sa_mask, SIGTRAP);
sigprocmask(SIG_SETMASK, &ill_act.sa_mask, &oset);
sigaction(SIGILL, &ill_act, &oact_ill);
sigaction(SIGFPE, &ill_act, &oact_fpe);
/* protection against missing store-facility-list-extended */
if (sigsetjmp(ill_jmp, 1) == 0)
OPENSSL_s390x_facilities();
/* protection against disabled vector facility */
if ((OPENSSL_s390xcap_P.stfle[2] & S390X_CAPBIT(S390X_VX))
&& (sigsetjmp(ill_jmp, 1) == 0)) {
OPENSSL_vx_probe();
} else {
OPENSSL_s390xcap_P.stfle[2] &= ~(S390X_CAPBIT(S390X_VX)
| S390X_CAPBIT(S390X_VXD)
| S390X_CAPBIT(S390X_VXE));
}
sigaction(SIGFPE, &oact_fpe, NULL);
sigaction(SIGILL, &oact_ill, NULL);
sigprocmask(SIG_SETMASK, &oset, NULL);
}
#endif
env = getenv("OPENSSL_s390xcap");
if (env != NULL) {
if (!parse_env(&cap, &cex))
env = NULL;
}
if (env != NULL) {
OPENSSL_s390xcap_P.stfle[0] &= cap.stfle[0];
OPENSSL_s390xcap_P.stfle[1] &= cap.stfle[1];
OPENSSL_s390xcap_P.stfle[2] &= cap.stfle[2];
}
OPENSSL_s390x_functions(); /* check OPENSSL_s390xcap_P.stfle */
if (env != NULL) {
OPENSSL_s390xcap_P.kimd[0] &= cap.kimd[0];
OPENSSL_s390xcap_P.kimd[1] &= cap.kimd[1];
OPENSSL_s390xcap_P.klmd[0] &= cap.klmd[0];
OPENSSL_s390xcap_P.klmd[1] &= cap.klmd[1];
OPENSSL_s390xcap_P.km[0] &= cap.km[0];
OPENSSL_s390xcap_P.km[1] &= cap.km[1];
OPENSSL_s390xcap_P.kmc[0] &= cap.kmc[0];
OPENSSL_s390xcap_P.kmc[1] &= cap.kmc[1];
OPENSSL_s390xcap_P.kmac[0] &= cap.kmac[0];
OPENSSL_s390xcap_P.kmac[1] &= cap.kmac[1];
OPENSSL_s390xcap_P.kmctr[0] &= cap.kmctr[0];
OPENSSL_s390xcap_P.kmctr[1] &= cap.kmctr[1];
OPENSSL_s390xcap_P.kmo[0] &= cap.kmo[0];
OPENSSL_s390xcap_P.kmo[1] &= cap.kmo[1];
OPENSSL_s390xcap_P.kmf[0] &= cap.kmf[0];
OPENSSL_s390xcap_P.kmf[1] &= cap.kmf[1];
OPENSSL_s390xcap_P.prno[0] &= cap.prno[0];
OPENSSL_s390xcap_P.prno[1] &= cap.prno[1];
OPENSSL_s390xcap_P.kma[0] &= cap.kma[0];
OPENSSL_s390xcap_P.kma[1] &= cap.kma[1];
OPENSSL_s390xcap_P.pcc[0] &= cap.pcc[0];
OPENSSL_s390xcap_P.pcc[1] &= cap.pcc[1];
OPENSSL_s390xcap_P.kdsa[0] &= cap.kdsa[0];
OPENSSL_s390xcap_P.kdsa[1] &= cap.kdsa[1];
}
#ifdef S390X_MOD_EXP
if (cex == 0) {
OPENSSL_s390xcex = -1;
} else {
OPENSSL_s390xcex = open("/dev/z90crypt", O_RDWR | O_CLOEXEC);
if (probe_cex() == 1)
OPENSSL_atexit(OPENSSL_s390x_cleanup);
}
#endif
}
#ifdef S390X_MOD_EXP
static int probe_cex(void)
{
struct ica_rsa_modexpo me;
const unsigned char inval[16] = {
0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,2
};
const unsigned char modulus[16] = {
0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,3
};
unsigned char res[16];
int olderrno;
int rc = 1;
me.inputdata = (unsigned char *)inval;
me.inputdatalength = sizeof(inval);
me.outputdata = (unsigned char *)res;
me.outputdatalength = sizeof(res);
me.b_key = (unsigned char *)inval;
me.n_modulus = (unsigned char *)modulus;
olderrno = errno;
if (ioctl(OPENSSL_s390xcex, ICARSAMODEXPO, &me) == -1) {
(void)close(OPENSSL_s390xcex);
OPENSSL_s390xcex = -1;
rc = 0;
}
errno = olderrno;
return rc;
}
#endif
static int parse_env(struct OPENSSL_s390xcap_st *cap, int *cex)
{
/*-
* CPU model data
* (only the STFLE- and QUERY-bits relevant to libcrypto are set)
*/
/*-
* z900 (2000) - z/Architecture POP SA22-7832-00
* Facility detection would fail on real hw (no STFLE).
*/
static const struct OPENSSL_s390xcap_st z900 = {
/*.stfle = */{0ULL, 0ULL, 0ULL, 0ULL},
/*.kimd = */{0ULL, 0ULL},
/*.klmd = */{0ULL, 0ULL},
/*.km = */{0ULL, 0ULL},
/*.kmc = */{0ULL, 0ULL},
/*.kmac = */{0ULL, 0ULL},
/*.kmctr = */{0ULL, 0ULL},
/*.kmo = */{0ULL, 0ULL},
/*.kmf = */{0ULL, 0ULL},
/*.prno = */{0ULL, 0ULL},
/*.kma = */{0ULL, 0ULL},
/*.pcc = */{0ULL, 0ULL},
/*.kdsa = */{0ULL, 0ULL},
};
/*-
* z990 (2003) - z/Architecture POP SA22-7832-02
* Implements MSA. Facility detection would fail on real hw (no STFLE).
*/
static const struct OPENSSL_s390xcap_st z990 = {
/*.stfle = */{S390X_CAPBIT(S390X_MSA),
0ULL, 0ULL, 0ULL},
/*.kimd = */{S390X_CAPBIT(S390X_QUERY)
| S390X_CAPBIT(S390X_SHA_1),
0ULL},
/*.klmd = */{S390X_CAPBIT(S390X_QUERY)
| S390X_CAPBIT(S390X_SHA_1),
0ULL},
/*.km = */{S390X_CAPBIT(S390X_QUERY),
0ULL},
/*.kmc = */{S390X_CAPBIT(S390X_QUERY),
0ULL},
/*.kmac = */{S390X_CAPBIT(S390X_QUERY),
0ULL},
/*.kmctr = */{0ULL, 0ULL},
/*.kmo = */{0ULL, 0ULL},
/*.kmf = */{0ULL, 0ULL},
/*.prno = */{0ULL, 0ULL},
/*.kma = */{0ULL, 0ULL},
/*.pcc = */{0ULL, 0ULL},
/*.kdsa = */{0ULL, 0ULL},
};
/*-
* z9 (2005) - z/Architecture POP SA22-7832-04
* Implements MSA and MSA1.
*/
static const struct OPENSSL_s390xcap_st z9 = {
/*.stfle = */{S390X_CAPBIT(S390X_MSA)
| S390X_CAPBIT(S390X_STCKF),
0ULL, 0ULL, 0ULL},
/*.kimd = */{S390X_CAPBIT(S390X_QUERY)
| S390X_CAPBIT(S390X_SHA_1)
| S390X_CAPBIT(S390X_SHA_256),
0ULL},
/*.klmd = */{S390X_CAPBIT(S390X_QUERY)
| S390X_CAPBIT(S390X_SHA_1)
| S390X_CAPBIT(S390X_SHA_256),
0ULL},
/*.km = */{S390X_CAPBIT(S390X_QUERY)
| S390X_CAPBIT(S390X_AES_128),
0ULL},
/*.kmc = */{S390X_CAPBIT(S390X_QUERY)
| S390X_CAPBIT(S390X_AES_128),
0ULL},
/*.kmac = */{S390X_CAPBIT(S390X_QUERY),
0ULL},
/*.kmctr = */{0ULL, 0ULL},
/*.kmo = */{0ULL, 0ULL},
/*.kmf = */{0ULL, 0ULL},
/*.prno = */{0ULL, 0ULL},
/*.kma = */{0ULL, 0ULL},
/*.pcc = */{0ULL, 0ULL},
/*.kdsa = */{0ULL, 0ULL},
};
/*-
* z10 (2008) - z/Architecture POP SA22-7832-06
* Implements MSA and MSA1-2.
*/
static const struct OPENSSL_s390xcap_st z10 = {
/*.stfle = */{S390X_CAPBIT(S390X_MSA)
| S390X_CAPBIT(S390X_STCKF),
0ULL, 0ULL, 0ULL},
/*.kimd = */{S390X_CAPBIT(S390X_QUERY)
| S390X_CAPBIT(S390X_SHA_1)
| S390X_CAPBIT(S390X_SHA_256)
| S390X_CAPBIT(S390X_SHA_512),
0ULL},
/*.klmd = */{S390X_CAPBIT(S390X_QUERY)
| S390X_CAPBIT(S390X_SHA_1)
| S390X_CAPBIT(S390X_SHA_256)
| S390X_CAPBIT(S390X_SHA_512),
0ULL},
/*.km = */{S390X_CAPBIT(S390X_QUERY)
| S390X_CAPBIT(S390X_AES_128)
| S390X_CAPBIT(S390X_AES_192)
| S390X_CAPBIT(S390X_AES_256),
0ULL},
/*.kmc = */{S390X_CAPBIT(S390X_QUERY)
| S390X_CAPBIT(S390X_AES_128)
| S390X_CAPBIT(S390X_AES_192)
| S390X_CAPBIT(S390X_AES_256),
0ULL},
/*.kmac = */{S390X_CAPBIT(S390X_QUERY),
0ULL},
/*.kmctr = */{0ULL, 0ULL},
/*.kmo = */{0ULL, 0ULL},
/*.kmf = */{0ULL, 0ULL},
/*.prno = */{0ULL, 0ULL},
/*.kma = */{0ULL, 0ULL},
/*.pcc = */{0ULL, 0ULL},
/*.kdsa = */{0ULL, 0ULL},
};
/*-
* z196 (2010) - z/Architecture POP SA22-7832-08
* Implements MSA and MSA1-4.
*/
static const struct OPENSSL_s390xcap_st z196 = {
/*.stfle = */{S390X_CAPBIT(S390X_MSA)
| S390X_CAPBIT(S390X_STCKF),
S390X_CAPBIT(S390X_MSA3)
| S390X_CAPBIT(S390X_MSA4),
0ULL, 0ULL},
/*.kimd = */{S390X_CAPBIT(S390X_QUERY)
| S390X_CAPBIT(S390X_SHA_1)
| S390X_CAPBIT(S390X_SHA_256)
| S390X_CAPBIT(S390X_SHA_512),
S390X_CAPBIT(S390X_GHASH)},
/*.klmd = */{S390X_CAPBIT(S390X_QUERY)
| S390X_CAPBIT(S390X_SHA_1)
| S390X_CAPBIT(S390X_SHA_256)
| S390X_CAPBIT(S390X_SHA_512),
0ULL},
/*.km = */{S390X_CAPBIT(S390X_QUERY)
| S390X_CAPBIT(S390X_AES_128)
| S390X_CAPBIT(S390X_AES_192)
| S390X_CAPBIT(S390X_AES_256)
| S390X_CAPBIT(S390X_XTS_AES_128)
| S390X_CAPBIT(S390X_XTS_AES_256),
0ULL},
/*.kmc = */{S390X_CAPBIT(S390X_QUERY)
| S390X_CAPBIT(S390X_AES_128)
| S390X_CAPBIT(S390X_AES_192)
| S390X_CAPBIT(S390X_AES_256),
0ULL},
/*.kmac = */{S390X_CAPBIT(S390X_QUERY)
| S390X_CAPBIT(S390X_AES_128)
| S390X_CAPBIT(S390X_AES_192)
| S390X_CAPBIT(S390X_AES_256),
0ULL},
/*.kmctr = */{S390X_CAPBIT(S390X_QUERY)
| S390X_CAPBIT(S390X_AES_128)
| S390X_CAPBIT(S390X_AES_192)
| S390X_CAPBIT(S390X_AES_256),
0ULL},
/*.kmo = */{S390X_CAPBIT(S390X_QUERY)
| S390X_CAPBIT(S390X_AES_128)
| S390X_CAPBIT(S390X_AES_192)
| S390X_CAPBIT(S390X_AES_256),
0ULL},
/*.kmf = */{S390X_CAPBIT(S390X_QUERY)
| S390X_CAPBIT(S390X_AES_128)
| S390X_CAPBIT(S390X_AES_192)
| S390X_CAPBIT(S390X_AES_256),
0ULL},
/*.prno = */{0ULL, 0ULL},
/*.kma = */{0ULL, 0ULL},
/*.pcc = */{S390X_CAPBIT(S390X_QUERY),
0ULL},
/*.kdsa = */{0ULL, 0ULL},
};
/*-
* zEC12 (2012) - z/Architecture POP SA22-7832-09
* Implements MSA and MSA1-4.
*/
static const struct OPENSSL_s390xcap_st zEC12 = {
/*.stfle = */{S390X_CAPBIT(S390X_MSA)
| S390X_CAPBIT(S390X_STCKF),
S390X_CAPBIT(S390X_MSA3)
| S390X_CAPBIT(S390X_MSA4),
0ULL, 0ULL},
/*.kimd = */{S390X_CAPBIT(S390X_QUERY)
| S390X_CAPBIT(S390X_SHA_1)
| S390X_CAPBIT(S390X_SHA_256)
| S390X_CAPBIT(S390X_SHA_512),
S390X_CAPBIT(S390X_GHASH)},
/*.klmd = */{S390X_CAPBIT(S390X_QUERY)
| S390X_CAPBIT(S390X_SHA_1)
| S390X_CAPBIT(S390X_SHA_256)
| S390X_CAPBIT(S390X_SHA_512),
0ULL},
/*.km = */{S390X_CAPBIT(S390X_QUERY)
| S390X_CAPBIT(S390X_AES_128)
| S390X_CAPBIT(S390X_AES_192)
| S390X_CAPBIT(S390X_AES_256)
| S390X_CAPBIT(S390X_XTS_AES_128)
| S390X_CAPBIT(S390X_XTS_AES_256),
0ULL},
/*.kmc = */{S390X_CAPBIT(S390X_QUERY)
| S390X_CAPBIT(S390X_AES_128)
| S390X_CAPBIT(S390X_AES_192)
| S390X_CAPBIT(S390X_AES_256),
0ULL},
/*.kmac = */{S390X_CAPBIT(S390X_QUERY)
| S390X_CAPBIT(S390X_AES_128)
| S390X_CAPBIT(S390X_AES_192)
| S390X_CAPBIT(S390X_AES_256),
0ULL},
/*.kmctr = */{S390X_CAPBIT(S390X_QUERY)
| S390X_CAPBIT(S390X_AES_128)
| S390X_CAPBIT(S390X_AES_192)
| S390X_CAPBIT(S390X_AES_256),
0ULL},
/*.kmo = */{S390X_CAPBIT(S390X_QUERY)
| S390X_CAPBIT(S390X_AES_128)
| S390X_CAPBIT(S390X_AES_192)
| S390X_CAPBIT(S390X_AES_256),
0ULL},
/*.kmf = */{S390X_CAPBIT(S390X_QUERY)
| S390X_CAPBIT(S390X_AES_128)
| S390X_CAPBIT(S390X_AES_192)
| S390X_CAPBIT(S390X_AES_256),
0ULL},
/*.prno = */{0ULL, 0ULL},
/*.kma = */{0ULL, 0ULL},
/*.pcc = */{S390X_CAPBIT(S390X_QUERY),
0ULL},
/*.kdsa = */{0ULL, 0ULL},
};
/*-
* z13 (2015) - z/Architecture POP SA22-7832-10
* Implements MSA and MSA1-5.
*/
static const struct OPENSSL_s390xcap_st z13 = {
/*.stfle = */{S390X_CAPBIT(S390X_MSA)
| S390X_CAPBIT(S390X_STCKF)
| S390X_CAPBIT(S390X_MSA5),
S390X_CAPBIT(S390X_MSA3)
| S390X_CAPBIT(S390X_MSA4),
S390X_CAPBIT(S390X_VX),
0ULL},
/*.kimd = */{S390X_CAPBIT(S390X_QUERY)
| S390X_CAPBIT(S390X_SHA_1)
| S390X_CAPBIT(S390X_SHA_256)
| S390X_CAPBIT(S390X_SHA_512),
S390X_CAPBIT(S390X_GHASH)},
/*.klmd = */{S390X_CAPBIT(S390X_QUERY)
| S390X_CAPBIT(S390X_SHA_1)
| S390X_CAPBIT(S390X_SHA_256)
| S390X_CAPBIT(S390X_SHA_512),
0ULL},
/*.km = */{S390X_CAPBIT(S390X_QUERY)
| S390X_CAPBIT(S390X_AES_128)
| S390X_CAPBIT(S390X_AES_192)
| S390X_CAPBIT(S390X_AES_256)
| S390X_CAPBIT(S390X_XTS_AES_128)
| S390X_CAPBIT(S390X_XTS_AES_256),
0ULL},
/*.kmc = */{S390X_CAPBIT(S390X_QUERY)
| S390X_CAPBIT(S390X_AES_128)
| S390X_CAPBIT(S390X_AES_192)
| S390X_CAPBIT(S390X_AES_256),
0ULL},
/*.kmac = */{S390X_CAPBIT(S390X_QUERY)
| S390X_CAPBIT(S390X_AES_128)
| S390X_CAPBIT(S390X_AES_192)
| S390X_CAPBIT(S390X_AES_256),
0ULL},
/*.kmctr = */{S390X_CAPBIT(S390X_QUERY)
| S390X_CAPBIT(S390X_AES_128)
| S390X_CAPBIT(S390X_AES_192)
| S390X_CAPBIT(S390X_AES_256),
0ULL},
/*.kmo = */{S390X_CAPBIT(S390X_QUERY)
| S390X_CAPBIT(S390X_AES_128)
| S390X_CAPBIT(S390X_AES_192)
| S390X_CAPBIT(S390X_AES_256),
0ULL},
/*.kmf = */{S390X_CAPBIT(S390X_QUERY)
| S390X_CAPBIT(S390X_AES_128)
| S390X_CAPBIT(S390X_AES_192)
| S390X_CAPBIT(S390X_AES_256),
0ULL},
/*.prno = */{S390X_CAPBIT(S390X_QUERY)
| S390X_CAPBIT(S390X_SHA_512_DRNG),
0ULL},
/*.kma = */{0ULL, 0ULL},
/*.pcc = */{S390X_CAPBIT(S390X_QUERY),
0ULL},
/*.kdsa = */{0ULL, 0ULL},
};
/*-
* z14 (2017) - z/Architecture POP SA22-7832-11
* Implements MSA and MSA1-8.
*/
static const struct OPENSSL_s390xcap_st z14 = {
/*.stfle = */{S390X_CAPBIT(S390X_MSA)
| S390X_CAPBIT(S390X_STCKF)
| S390X_CAPBIT(S390X_MSA5),
S390X_CAPBIT(S390X_MSA3)
| S390X_CAPBIT(S390X_MSA4),
S390X_CAPBIT(S390X_VX)
| S390X_CAPBIT(S390X_VXD)
| S390X_CAPBIT(S390X_VXE)
| S390X_CAPBIT(S390X_MSA8),
0ULL},
/*.kimd = */{S390X_CAPBIT(S390X_QUERY)
| S390X_CAPBIT(S390X_SHA_1)
| S390X_CAPBIT(S390X_SHA_256)
| S390X_CAPBIT(S390X_SHA_512)
| S390X_CAPBIT(S390X_SHA3_224)
| S390X_CAPBIT(S390X_SHA3_256)
| S390X_CAPBIT(S390X_SHA3_384)
| S390X_CAPBIT(S390X_SHA3_512)
| S390X_CAPBIT(S390X_SHAKE_128)
| S390X_CAPBIT(S390X_SHAKE_256),
S390X_CAPBIT(S390X_GHASH)},
/*.klmd = */{S390X_CAPBIT(S390X_QUERY)
| S390X_CAPBIT(S390X_SHA_1)
| S390X_CAPBIT(S390X_SHA_256)
| S390X_CAPBIT(S390X_SHA_512)
| S390X_CAPBIT(S390X_SHA3_224)
| S390X_CAPBIT(S390X_SHA3_256)
| S390X_CAPBIT(S390X_SHA3_384)
| S390X_CAPBIT(S390X_SHA3_512)
| S390X_CAPBIT(S390X_SHAKE_128)
| S390X_CAPBIT(S390X_SHAKE_256),
0ULL},
/*.km = */{S390X_CAPBIT(S390X_QUERY)
| S390X_CAPBIT(S390X_AES_128)
| S390X_CAPBIT(S390X_AES_192)
| S390X_CAPBIT(S390X_AES_256)
| S390X_CAPBIT(S390X_XTS_AES_128)
| S390X_CAPBIT(S390X_XTS_AES_256),
0ULL},
/*.kmc = */{S390X_CAPBIT(S390X_QUERY)
| S390X_CAPBIT(S390X_AES_128)
| S390X_CAPBIT(S390X_AES_192)
| S390X_CAPBIT(S390X_AES_256),
0ULL},
/*.kmac = */{S390X_CAPBIT(S390X_QUERY)
| S390X_CAPBIT(S390X_AES_128)
| S390X_CAPBIT(S390X_AES_192)
| S390X_CAPBIT(S390X_AES_256),
0ULL},
/*.kmctr = */{S390X_CAPBIT(S390X_QUERY)
| S390X_CAPBIT(S390X_AES_128)
| S390X_CAPBIT(S390X_AES_192)
| S390X_CAPBIT(S390X_AES_256),
0ULL},
/*.kmo = */{S390X_CAPBIT(S390X_QUERY)
| S390X_CAPBIT(S390X_AES_128)
| S390X_CAPBIT(S390X_AES_192)
| S390X_CAPBIT(S390X_AES_256),
0ULL},
/*.kmf = */{S390X_CAPBIT(S390X_QUERY)
| S390X_CAPBIT(S390X_AES_128)
| S390X_CAPBIT(S390X_AES_192)
| S390X_CAPBIT(S390X_AES_256),
0ULL},
/*.prno = */{S390X_CAPBIT(S390X_QUERY)
| S390X_CAPBIT(S390X_SHA_512_DRNG),
S390X_CAPBIT(S390X_TRNG)},
/*.kma = */{S390X_CAPBIT(S390X_QUERY)
| S390X_CAPBIT(S390X_AES_128)
| S390X_CAPBIT(S390X_AES_192)
| S390X_CAPBIT(S390X_AES_256),
0ULL},
/*.pcc = */{S390X_CAPBIT(S390X_QUERY),
0ULL},
/*.kdsa = */{0ULL, 0ULL},
};
/*-
* z15 (2019) - z/Architecture POP SA22-7832-12
* Implements MSA and MSA1-9.
*/
static const struct OPENSSL_s390xcap_st z15 = {
/*.stfle = */{S390X_CAPBIT(S390X_MSA)
| S390X_CAPBIT(S390X_STCKF)
| S390X_CAPBIT(S390X_MSA5),
S390X_CAPBIT(S390X_MSA3)
| S390X_CAPBIT(S390X_MSA4),
S390X_CAPBIT(S390X_VX)
| S390X_CAPBIT(S390X_VXD)
| S390X_CAPBIT(S390X_VXE)
| S390X_CAPBIT(S390X_MSA8)
| S390X_CAPBIT(S390X_MSA9),
0ULL},
/*.kimd = */{S390X_CAPBIT(S390X_QUERY)
| S390X_CAPBIT(S390X_SHA_1)
| S390X_CAPBIT(S390X_SHA_256)
| S390X_CAPBIT(S390X_SHA_512)
| S390X_CAPBIT(S390X_SHA3_224)
| S390X_CAPBIT(S390X_SHA3_256)
| S390X_CAPBIT(S390X_SHA3_384)
| S390X_CAPBIT(S390X_SHA3_512)
| S390X_CAPBIT(S390X_SHAKE_128)
| S390X_CAPBIT(S390X_SHAKE_256),
S390X_CAPBIT(S390X_GHASH)},
/*.klmd = */{S390X_CAPBIT(S390X_QUERY)
| S390X_CAPBIT(S390X_SHA_1)
| S390X_CAPBIT(S390X_SHA_256)
| S390X_CAPBIT(S390X_SHA_512)
| S390X_CAPBIT(S390X_SHA3_224)
| S390X_CAPBIT(S390X_SHA3_256)
| S390X_CAPBIT(S390X_SHA3_384)
| S390X_CAPBIT(S390X_SHA3_512)
| S390X_CAPBIT(S390X_SHAKE_128)
| S390X_CAPBIT(S390X_SHAKE_256),
0ULL},
/*.km = */{S390X_CAPBIT(S390X_QUERY)
| S390X_CAPBIT(S390X_AES_128)
| S390X_CAPBIT(S390X_AES_192)
| S390X_CAPBIT(S390X_AES_256)
| S390X_CAPBIT(S390X_XTS_AES_128)
| S390X_CAPBIT(S390X_XTS_AES_256),
0ULL},
/*.kmc = */{S390X_CAPBIT(S390X_QUERY)
| S390X_CAPBIT(S390X_AES_128)
| S390X_CAPBIT(S390X_AES_192)
| S390X_CAPBIT(S390X_AES_256),
0ULL},
/*.kmac = */{S390X_CAPBIT(S390X_QUERY)
| S390X_CAPBIT(S390X_AES_128)
| S390X_CAPBIT(S390X_AES_192)
| S390X_CAPBIT(S390X_AES_256),
0ULL},
/*.kmctr = */{S390X_CAPBIT(S390X_QUERY)
| S390X_CAPBIT(S390X_AES_128)
| S390X_CAPBIT(S390X_AES_192)
| S390X_CAPBIT(S390X_AES_256),
0ULL},
/*.kmo = */{S390X_CAPBIT(S390X_QUERY)
| S390X_CAPBIT(S390X_AES_128)
| S390X_CAPBIT(S390X_AES_192)
| S390X_CAPBIT(S390X_AES_256),
0ULL},
/*.kmf = */{S390X_CAPBIT(S390X_QUERY)
| S390X_CAPBIT(S390X_AES_128)
| S390X_CAPBIT(S390X_AES_192)
| S390X_CAPBIT(S390X_AES_256),
0ULL},
/*.prno = */{S390X_CAPBIT(S390X_QUERY)
| S390X_CAPBIT(S390X_SHA_512_DRNG),
S390X_CAPBIT(S390X_TRNG)},
/*.kma = */{S390X_CAPBIT(S390X_QUERY)
| S390X_CAPBIT(S390X_AES_128)
| S390X_CAPBIT(S390X_AES_192)
| S390X_CAPBIT(S390X_AES_256),
0ULL},
/*.pcc = */{S390X_CAPBIT(S390X_QUERY),
S390X_CAPBIT(S390X_SCALAR_MULTIPLY_P256)
| S390X_CAPBIT(S390X_SCALAR_MULTIPLY_P384)
| S390X_CAPBIT(S390X_SCALAR_MULTIPLY_P521)
| S390X_CAPBIT(S390X_SCALAR_MULTIPLY_ED25519)
| S390X_CAPBIT(S390X_SCALAR_MULTIPLY_ED448)
| S390X_CAPBIT(S390X_SCALAR_MULTIPLY_X25519)
| S390X_CAPBIT(S390X_SCALAR_MULTIPLY_X448)},
/*.kdsa = */{S390X_CAPBIT(S390X_QUERY)
| S390X_CAPBIT(S390X_ECDSA_VERIFY_P256)
| S390X_CAPBIT(S390X_ECDSA_VERIFY_P384)
| S390X_CAPBIT(S390X_ECDSA_VERIFY_P521)
| S390X_CAPBIT(S390X_ECDSA_SIGN_P256)
| S390X_CAPBIT(S390X_ECDSA_SIGN_P384)
| S390X_CAPBIT(S390X_ECDSA_SIGN_P521)
| S390X_CAPBIT(S390X_EDDSA_VERIFY_ED25519)
| S390X_CAPBIT(S390X_EDDSA_VERIFY_ED448)
| S390X_CAPBIT(S390X_EDDSA_SIGN_ED25519)
| S390X_CAPBIT(S390X_EDDSA_SIGN_ED448),
0ULL},
};
/*-
* z16 (2022) - z/Architecture POP
* Implements MSA and MSA1-9 (same as z15).
*/
static const struct OPENSSL_s390xcap_st z16 = z15;
char *tok_begin, *tok_end, *buff, tok[S390X_STFLE_MAX][LEN + 1];
int rc, off, i, n;
buff = malloc(strlen(env) + 1);
if (buff == NULL)
return 0;
rc = 0;
memset(cap, ~0, sizeof(*cap));
strcpy(buff, env);
tok_begin = buff + strspn(buff, ";");
strtok(tok_begin, ";");
tok_end = strtok(NULL, ";");
while (tok_begin != NULL) {
/* stfle token */
if ((n = sscanf(tok_begin,
" stfle : %" STR(LEN) "[^:] : "
"%" STR(LEN) "[^:] : %" STR(LEN) "s ",
tok[0], tok[1], tok[2]))) {
for (i = 0; i < n; i++) {
off = (tok[i][0] == '~') ? 1 : 0;
if (sscanf(tok[i] + off, "%llx", &cap->stfle[i]) != 1)
goto ret;
if (off)
cap->stfle[i] = ~cap->stfle[i];
}
}
/* query function tokens */
else if TOK_FUNC(kimd)
else if TOK_FUNC(klmd)
else if TOK_FUNC(km)
else if TOK_FUNC(kmc)
else if TOK_FUNC(kmac)
else if TOK_FUNC(kmctr)
else if TOK_FUNC(kmo)
else if TOK_FUNC(kmf)
else if TOK_FUNC(prno)
else if TOK_FUNC(kma)
else if TOK_FUNC(pcc)
else if TOK_FUNC(kdsa)
/* CPU model tokens */
else if TOK_CPU(z900)
else if TOK_CPU(z990)
else if TOK_CPU(z9)
else if TOK_CPU(z10)
else if TOK_CPU(z196)
else if TOK_CPU(zEC12)
else if TOK_CPU(z13)
else if TOK_CPU(z14)
else if TOK_CPU(z15)
else if TOK_CPU(z16)
/* nocex to deactivate cex support */
else if (sscanf(tok_begin, " %" STR(LEN) "s %" STR(LEN) "s ",
tok[0], tok[1]) == 1
&& !strcmp(tok[0], "nocex")) {
*cex = 0;
}
/* whitespace(ignored) or invalid tokens */
else {
while (*tok_begin != '\0') {
if (!ossl_isspace(*tok_begin))
goto ret;
tok_begin++;
}
}
tok_begin = tok_end;
tok_end = strtok(NULL, ";");
}
rc = 1;
ret:
free(buff);
return rc;
}
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