-8e7b5e777333fa4cd070d96e94ea82e3e1132739
+ff29ea8e4e69eb94958aef4388da09a61b2b52b6
The first line of this file holds the git revision number of the last
merge done from the gofrontend repository.
-7bc40ffb05d8813bf9b41a331b45d37216f9e747
+f5cf5673590a68c55b2330df9dfcdd6fac75b893
The first line of this file holds the git revision number of the
last merge done from the master library sources.
-go1.6
\ No newline at end of file
+go1.6.1
\ No newline at end of file
func Verify(pub *PublicKey, hash []byte, r, s *big.Int) bool {
// FIPS 186-3, section 4.7
+ if pub.P.Sign() == 0 {
+ return false
+ }
+
if r.Sign() < 1 || r.Cmp(pub.Q) >= 0 {
return false
}
"crypto/elliptic"
"crypto/sha512"
"encoding/asn1"
+ "errors"
"io"
"math/big"
)
return new(big.Int).Exp(k, nMinus2, N)
}
+var errZeroParam = errors.New("zero parameter")
+
// Sign signs an arbitrary length hash (which should be the result of hashing a
// larger message) using the private key, priv. It returns the signature as a
// pair of integers. The security of the private key depends on the entropy of
// See [NSA] 3.4.1
c := priv.PublicKey.Curve
N := c.Params().N
-
+ if N.Sign() == 0 {
+ return nil, nil, errZeroParam
+ }
var k, kInv *big.Int
for {
for {
if in, ok := priv.Curve.(invertible); ok {
kInv = in.Inverse(k)
} else {
- kInv = fermatInverse(k, N)
+ kInv = fermatInverse(k, N) // N != 0
}
r, _ = priv.Curve.ScalarBaseMult(k.Bytes())
s = new(big.Int).Mul(priv.D, r)
s.Add(s, e)
s.Mul(s, kInv)
- s.Mod(s, N)
+ s.Mod(s, N) // N != 0
if s.Sign() != 0 {
break
}
err = ErrDecryption
return
}
+ if priv.N.Sign() == 0 {
+ return nil, ErrDecryption
+ }
var ir *big.Int
if random != nil {
}
}
bigE := big.NewInt(int64(priv.E))
- rpowe := new(big.Int).Exp(r, bigE, priv.N)
+ rpowe := new(big.Int).Exp(r, bigE, priv.N) // N != 0
cCopy := new(big.Int).Set(c)
cCopy.Mul(cCopy, rpowe)
cCopy.Mod(cCopy, priv.N)
// End of linear dependency definitions.
// Operating system access.
- "syscall": {"L0", "internal/race", "unicode/utf16"},
+ "syscall": {"L0", "internal/race", "internal/syscall/windows/sysdll", "unicode/utf16"},
"internal/syscall/unix": {"L0", "syscall"},
- "internal/syscall/windows": {"L0", "syscall"},
- "internal/syscall/windows/registry": {"L0", "syscall", "unicode/utf16"},
+ "internal/syscall/windows": {"L0", "syscall", "internal/syscall/windows/sysdll"},
+ "internal/syscall/windows/registry": {"L0", "syscall", "internal/syscall/windows/sysdll", "unicode/utf16"},
"time": {"L0", "syscall", "internal/syscall/windows/registry"},
"os": {"L1", "os", "syscall", "time", "internal/syscall/windows"},
"path/filepath": {"L2", "os", "syscall"},
import "syscall"
-//go:generate go run $GOROOT/src/syscall/mksyscall_windows.go -output zsyscall_windows.go syscall.go
+//go:generate go run $GOROOT/src/syscall/mksyscall_windows.go -output zsyscall_windows.go -systemdll syscall.go
const (
_REG_OPTION_NON_VOLATILE = 0
import "unsafe"
import "syscall"
+import "internal/syscall/windows/sysdll"
var _ unsafe.Pointer
var (
- modadvapi32 = syscall.NewLazyDLL("advapi32.dll")
- modkernel32 = syscall.NewLazyDLL("kernel32.dll")
+ modadvapi32 = syscall.NewLazyDLL(sysdll.Add("advapi32.dll"))
+ modkernel32 = syscall.NewLazyDLL(sysdll.Add("kernel32.dll"))
procRegCreateKeyExW = modadvapi32.NewProc("RegCreateKeyExW")
procRegDeleteKeyW = modadvapi32.NewProc("RegDeleteKeyW")
import "syscall"
-//go:generate go run ../../../syscall/mksyscall_windows.go -output zsyscall_windows.go syscall_windows.go
+//go:generate go run ../../../syscall/mksyscall_windows.go -output zsyscall_windows.go -systemdll syscall_windows.go
const GAA_FLAG_INCLUDE_PREFIX = 0x00000010
--- /dev/null
+// Copyright 2016 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// Package sysdll is an internal leaf package that records and reports
+// which Windows DLL names are used by Go itself. These DLLs are then
+// only loaded from the System32 directory. See Issue 14959.
+package sysdll
+
+// IsSystemDLL reports whether the named dll key (a base name, like
+// "foo.dll") is a system DLL which should only be loaded from the
+// Windows SYSTEM32 directory.
+//
+// Filenames are case sensitive, but that doesn't matter because
+// the case registered with Add is also the same case used with
+// LoadDLL later.
+//
+// It has no associated mutex and should only be mutated serially
+// (currently: during init), and not concurrent with DLL loading.
+var IsSystemDLL = map[string]bool{}
+
+// Add notes that dll is a system32 DLL which should only be loaded
+// from the Windows SYSTEM32 directory. It returns its argument back,
+// for ease of use in generated code.
+func Add(dll string) string {
+ IsSystemDLL[dll] = true
+ return dll
+}
import "unsafe"
import "syscall"
+import "internal/syscall/windows/sysdll"
var _ unsafe.Pointer
var (
- modiphlpapi = syscall.NewLazyDLL("iphlpapi.dll")
- modkernel32 = syscall.NewLazyDLL("kernel32.dll")
+ modiphlpapi = syscall.NewLazyDLL(sysdll.Add("iphlpapi.dll"))
+ modkernel32 = syscall.NewLazyDLL(sysdll.Add("kernel32.dll"))
procGetAdaptersAddresses = modiphlpapi.NewProc("GetAdaptersAddresses")
procGetComputerNameExW = modkernel32.NewProc("GetComputerNameExW")
stdcall1(_GetSystemInfo, uintptr(unsafe.Pointer(&info)))
return int32(info.dwnumberofprocessors)
}
+
+func LoadLibraryExStatus() (useEx, haveEx, haveFlags bool) {
+ return useLoadLibraryEx, _LoadLibraryExW != nil, _AddDllDirectory != nil
+}
projects / gcc.git / commitdiff