/*
- * Copyright 2009-2016 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 2009-2020 The OpenSSL Project Authors. All Rights Reserved.
*
- * Licensed under the OpenSSL license (the "License"). You may not use
+ * 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 <openssl/crypto.h>
#include <openssl/bn.h>
#include <internal/cryptlib.h>
-#include <internal/chacha.h>
-#include "bn/bn_lcl.h"
+#include <crypto/chacha.h>
+#include "bn/bn_local.h"
#include "ppc_arch.h"
static sigset_t all_masked;
+
#ifdef OPENSSL_BN_ASM_MONT
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)
return bn_mul_mont_int(rp, ap, bp, np, n0, num);
}
#endif
-
void sha256_block_p8(void *ctx, const void *inp, size_t len);
void sha256_block_ppc(void *ctx, const void *inp, size_t len);
void sha256_block_data_order(void *ctx, const void *inp, size_t len);
sha512_block_ppc(ctx, inp, len);
}
-#ifndef OPENSSL_NO_CHACHA
+/*
+ * TODO(3.0): Temporarily disabled some assembler that hasn't been brought into
+ * the FIPS module yet.
+ */
+#ifndef FIPS_MODULE
+# 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]);
void ChaCha20_ctr32_vmx(unsigned char *out, const unsigned char *inp,
size_t len, const unsigned int key[8],
const unsigned int counter[4]);
+void ChaCha20_ctr32_vsx(unsigned char *out, const unsigned char *inp,
+ size_t len, const unsigned int key[8],
+ const unsigned int counter[4]);
void ChaCha20_ctr32(unsigned char *out, const unsigned char *inp,
size_t len, const unsigned int key[8],
const unsigned int counter[4])
{
- OPENSSL_ppccap_P & PPC_ALTIVEC
- ? ChaCha20_ctr32_vmx(out, inp, len, key, counter)
- : ChaCha20_ctr32_int(out, inp, len, key, counter);
+ OPENSSL_ppccap_P & PPC_CRYPTO207
+ ? ChaCha20_ctr32_vsx(out, inp, len, key, counter)
+ : OPENSSL_ppccap_P & PPC_ALTIVEC
+ ? ChaCha20_ctr32_vmx(out, inp, len, key, counter)
+ : ChaCha20_ctr32_int(out, inp, len, key, counter);
}
-#endif
+# endif
-#ifndef OPENSSL_NO_POLY1305
+# 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);
unsigned int padbit);
void poly1305_emit_fpu(void *ctx, unsigned char mac[16],
const unsigned int nonce[4]);
+void poly1305_init_vsx(void *ctx, const unsigned char key[16]);
+void poly1305_blocks_vsx(void *ctx, const unsigned char *inp, size_t len,
+ unsigned int padbit);
+void poly1305_emit_vsx(void *ctx, unsigned char mac[16],
+ const unsigned int nonce[4]);
int poly1305_init(void *ctx, const unsigned char key[16], void *func[2]);
int poly1305_init(void *ctx, const unsigned char key[16], void *func[2])
{
- if (sizeof(size_t) == 4 && (OPENSSL_ppccap_P & PPC_FPU)) {
+ if (OPENSSL_ppccap_P & PPC_CRYPTO207) {
+ poly1305_init_int(ctx, key);
+ func[0] = (void*)(uintptr_t)poly1305_blocks_vsx;
+ func[1] = (void*)(uintptr_t)poly1305_emit;
+ } else if (sizeof(size_t) == 4 && (OPENSSL_ppccap_P & PPC_FPU)) {
poly1305_init_fpu(ctx, key);
func[0] = (void*)(uintptr_t)poly1305_blocks_fpu;
func[1] = (void*)(uintptr_t)poly1305_emit_fpu;
}
return 1;
}
-#endif
+# endif
+#endif /* FIPS_MODULE */
#ifdef ECP_NISTZ256_ASM
void ecp_nistz256_mul_mont(unsigned long res[4], const unsigned long a[4],
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
- * but don't break the build if it is not. Note that this is *link-time*
- * feature detection, not *run-time*. In other words if we link with
- * symbol present, it's expected to be present even at run-time.
- */
-#if defined(__GNUC__) && __GNUC__>=2 && defined(__ELF__)
-extern unsigned long getauxval(unsigned long type) __attribute__ ((weak));
-#else
-static unsigned long (*getauxval) (unsigned long) = NULL;
+long OPENSSL_rdtsc_mftb(void);
+long OPENSSL_rdtsc_mfspr268(void);
+
+uint32_t OPENSSL_rdtsc(void)
+{
+ if (OPENSSL_ppccap_P & PPC_MFTB)
+ return OPENSSL_rdtsc_mftb();
+ else if (OPENSSL_ppccap_P & PPC_MFSPR268)
+ return OPENSSL_rdtsc_mfspr268();
+ else
+ return 0;
+}
+
+size_t OPENSSL_instrument_bus_mftb(unsigned int *, size_t);
+size_t OPENSSL_instrument_bus_mfspr268(unsigned int *, size_t);
+
+size_t OPENSSL_instrument_bus(unsigned int *out, size_t cnt)
+{
+ if (OPENSSL_ppccap_P & PPC_MFTB)
+ return OPENSSL_instrument_bus_mftb(out, cnt);
+ else if (OPENSSL_ppccap_P & PPC_MFSPR268)
+ return OPENSSL_instrument_bus_mfspr268(out, cnt);
+ else
+ return 0;
+}
+
+size_t OPENSSL_instrument_bus2_mftb(unsigned int *, size_t, size_t);
+size_t OPENSSL_instrument_bus2_mfspr268(unsigned int *, size_t, size_t);
+
+size_t OPENSSL_instrument_bus2(unsigned int *out, size_t cnt, size_t max)
+{
+ if (OPENSSL_ppccap_P & PPC_MFTB)
+ return OPENSSL_instrument_bus2_mftb(out, cnt, max);
+ else if (OPENSSL_ppccap_P & PPC_MFSPR268)
+ return OPENSSL_instrument_bus2_mfspr268(out, cnt, max);
+ else
+ return 0;
+}
+
+#if defined(__GLIBC__) && defined(__GLIBC_PREREQ)
+# if __GLIBC_PREREQ(2, 16)
+# include <sys/auxv.h>
+# define OSSL_IMPLEMENT_GETAUXVAL
+# endif
#endif
/* I wish <sys/auxv.h> was universally available */
}
#endif
- if (getauxval != NULL) {
+#ifdef OSSL_IMPLEMENT_GETAUXVAL
+ {
unsigned long hwcap = getauxval(HWCAP);
+ unsigned long hwcap2 = getauxval(HWCAP2);
if (hwcap & HWCAP_FPU) {
OPENSSL_ppccap_P |= PPC_FPU;
if (hwcap & HWCAP_ALTIVEC) {
OPENSSL_ppccap_P |= PPC_ALTIVEC;
- if ((hwcap & HWCAP_VSX) && (getauxval(HWCAP2) & HWCAP_VEC_CRYPTO))
+ if ((hwcap & HWCAP_VSX) && (hwcap2 & HWCAP_VEC_CRYPTO))
OPENSSL_ppccap_P |= PPC_CRYPTO207;
}
- if (hwcap & HWCAP_ARCH_3_00) {
+ if (hwcap2 & HWCAP_ARCH_3_00) {
OPENSSL_ppccap_P |= PPC_MADD300;
}
-
- return;
}
+#endif
sigfillset(&all_masked);
sigdelset(&all_masked, SIGILL);
sigprocmask(SIG_SETMASK, &ill_act.sa_mask, &oset);
sigaction(SIGILL, &ill_act, &ill_oact);
+#ifndef OSSL_IMPLEMENT_GETAUXVAL
if (sigsetjmp(ill_jmp,1) == 0) {
OPENSSL_fpu_probe();
OPENSSL_ppccap_P |= PPC_FPU;
if (sizeof(size_t) == 4) {
-#ifdef __linux
+# ifdef __linux
struct utsname uts;
if (uname(&uts) == 0 && strcmp(uts.machine, "ppc64") == 0)
-#endif
+# endif
if (sigsetjmp(ill_jmp, 1) == 0) {
OPENSSL_ppc64_probe();
OPENSSL_ppccap_P |= PPC_FPU64;
OPENSSL_madd300_probe();
OPENSSL_ppccap_P |= PPC_MADD300;
}
+#endif
+
+ if (sigsetjmp(ill_jmp, 1) == 0) {
+ OPENSSL_rdtsc_mftb();
+ OPENSSL_ppccap_P |= PPC_MFTB;
+ } else if (sigsetjmp(ill_jmp, 1) == 0) {
+ OPENSSL_rdtsc_mfspr268();
+ OPENSSL_ppccap_P |= PPC_MFSPR268;
+ }
sigaction(SIGILL, &ill_oact, NULL);
sigprocmask(SIG_SETMASK, &oset, NULL);