+/*
+ * Copyright 2009-2016 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the OpenSSL license (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>
# define __power_set(a) (_system_configuration.implementation & (a))
# endif
#endif
+#if defined(__APPLE__) && defined(__MACH__)
+# include <sys/types.h>
+# include <sys/sysctl.h>
+#endif
#include <openssl/crypto.h>
#include <openssl/bn.h>
int bn_mul_mont(BN_ULONG *rp, const BN_ULONG *ap, const BN_ULONG *bp,
const BN_ULONG *np, const BN_ULONG *n0, int num)
{
- int bn_mul_mont_fpu64(BN_ULONG *rp, const BN_ULONG *ap,
- const BN_ULONG *bp, const BN_ULONG *np,
- const BN_ULONG *n0, int num);
int bn_mul_mont_int(BN_ULONG *rp, const BN_ULONG *ap, const BN_ULONG *bp,
const BN_ULONG *np, const BN_ULONG *n0, int num);
+ int bn_mul4x_mont_int(BN_ULONG *rp, const BN_ULONG *ap, const BN_ULONG *bp,
+ const BN_ULONG *np, const BN_ULONG *n0, int num);
- if (sizeof(size_t) == 4) {
-# if 1 || (defined(__APPLE__) && defined(__MACH__))
- if (num >= 8 && (num & 3) == 0 && (OPENSSL_ppccap_P & PPC_FPU64))
- return bn_mul_mont_fpu64(rp, ap, bp, np, n0, num);
-# else
- /*
- * boundary of 32 was experimentally determined on Linux 2.6.22,
- * might have to be adjusted on AIX...
- */
- if (num >= 32 && (num & 3) == 0 && (OPENSSL_ppccap_P & PPC_FPU64)) {
- sigset_t oset;
- int ret;
-
- sigprocmask(SIG_SETMASK, &all_masked, &oset);
- ret = bn_mul_mont_fpu64(rp, ap, bp, np, n0, num);
- sigprocmask(SIG_SETMASK, &oset, NULL);
-
- return ret;
- }
-# endif
- } else if ((OPENSSL_ppccap_P & PPC_FPU64))
- /*
- * this is a "must" on POWER6, but run-time detection is not
- * implemented yet...
- */
- return bn_mul_mont_fpu64(rp, ap, bp, np, n0, num);
+ if (num < 4)
+ return 0;
+
+ if ((num & 3) == 0)
+ return bn_mul4x_mont_int(rp, ap, bp, np, n0, num);
+
+ /*
+ * There used to be [optional] call to bn_mul_mont_fpu64 here,
+ * but above subroutine is faster on contemporary processors.
+ * Formulation means that there might be old processors where
+ * FPU code path would be faster, POWER6 perhaps, but there was
+ * no opportunity to figure it out...
+ */
return bn_mul_mont_int(rp, ap, bp, np, n0, num);
}
sha512_block_ppc(ctx, inp, len);
}
+#ifndef OPENSSL_NO_CHACHA
void ChaCha20_ctr32_int(unsigned char *out, const unsigned char *inp,
size_t len, const unsigned int key[8],
const unsigned int counter[4]);
? ChaCha20_ctr32_vmx(out, inp, len, key, counter)
: ChaCha20_ctr32_int(out, inp, len, key, counter);
}
+#endif
+#ifndef OPENSSL_NO_POLY1305
void poly1305_init_int(void *ctx, const unsigned char key[16]);
void poly1305_blocks(void *ctx, const unsigned char *inp, size_t len,
unsigned int padbit);
int poly1305_init(void *ctx, const unsigned char key[16], void *func[2])
{
if (sizeof(size_t) == 4 && (OPENSSL_ppccap_P & PPC_FPU)) {
- poly1305_init_fpu(ctx,key);
+ poly1305_init_fpu(ctx, key);
func[0] = poly1305_blocks_fpu;
func[1] = poly1305_emit_fpu;
} else {
- poly1305_init_int(ctx,key);
+ poly1305_init_int(ctx, key);
func[0] = poly1305_blocks;
func[1] = poly1305_emit;
}
return 1;
}
+#endif
+
+#ifdef ECP_NISTZ256_ASM
+void ecp_nistz256_mul_mont(unsigned long res[4], const unsigned long a[4],
+ const unsigned long b[4]);
+
+void ecp_nistz256_to_mont(unsigned long res[4], const unsigned long in[4]);
+void ecp_nistz256_to_mont(unsigned long res[4], const unsigned long in[4])
+{
+ static const unsigned long RR[] = { 0x0000000000000003U,
+ 0xfffffffbffffffffU,
+ 0xfffffffffffffffeU,
+ 0x00000004fffffffdU };
+
+ ecp_nistz256_mul_mont(res, in, RR);
+}
+
+void ecp_nistz256_from_mont(unsigned long res[4], const unsigned long in[4]);
+void ecp_nistz256_from_mont(unsigned long res[4], const unsigned long in[4])
+{
+ static const unsigned long one[] = { 1, 0, 0, 0 };
+
+ ecp_nistz256_mul_mont(res, in, one);
+}
+#endif
static sigjmp_buf ill_jmp;
static void ill_handler(int sig)
void OPENSSL_ppc64_probe(void);
void OPENSSL_altivec_probe(void);
void OPENSSL_crypto207_probe(void);
+void OPENSSL_madd300_probe(void);
/*
* Use a weak reference to getauxval() so we can use it if it is available
#define HWCAP2 26 /* AT_HWCAP2 */
#define HWCAP_VEC_CRYPTO (1U << 25)
+#define HWCAP_ARCH_3_00 (1U << 23)
# if defined(__GNUC__) && __GNUC__>=2
__attribute__ ((constructor))
if (__power_set(0xffffffffU<<16)) /* POWER8 and later */
OPENSSL_ppccap_P |= PPC_CRYPTO207;
+ if (__power_set(0xffffffffU<<17)) /* POWER9 and later */
+ OPENSSL_ppccap_P |= PPC_MADD300;
+
return;
# endif
#endif
+#if defined(__APPLE__) && defined(__MACH__)
+ OPENSSL_ppccap_P |= PPC_FPU;
+
+ {
+ int val;
+ size_t len = sizeof(val);
+
+ if (sysctlbyname("hw.optional.64bitops", &val, &len, NULL, 0) == 0) {
+ if (val)
+ OPENSSL_ppccap_P |= PPC_FPU64;
+ }
+
+ len = sizeof(val);
+ if (sysctlbyname("hw.optional.altivec", &val, &len, NULL, 0) == 0) {
+ if (val)
+ OPENSSL_ppccap_P |= PPC_ALTIVEC;
+ }
+
+ return;
+ }
+#endif
+
if (getauxval != NULL) {
unsigned long hwcap = getauxval(HWCAP);
if (hwcap & HWCAP_FPU) {
- OPENSSL_ppccap_P |= PPC_FPU;
+ OPENSSL_ppccap_P |= PPC_FPU;
if (sizeof(size_t) == 4) {
/* In 32-bit case PPC_FPU64 is always fastest [if option] */
OPENSSL_ppccap_P |= PPC_CRYPTO207;
}
+ if (hwcap & HWCAP_ARCH_3_00) {
+ OPENSSL_ppccap_P |= PPC_MADD300;
+ }
+
return;
}
}
}
+ if (sigsetjmp(ill_jmp, 1) == 0) {
+ OPENSSL_madd300_probe();
+ OPENSSL_ppccap_P |= PPC_MADD300;
+ }
+
sigaction(SIGILL, &ill_oact, NULL);
sigprocmask(SIG_SETMASK, &oset, NULL);
}
projects / openssl.git / blobdiff