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| author | hopehook <hopehook.com@gmail.com> | 2022-08-03 13:31:10 +0800 |
|---|---|---|
| committer | Gopher Robot <gobot@golang.org> | 2022-08-24 17:17:10 +0000 |
| commit | 5757bc0c5503e9832a646fcf49ea46445f253091 (patch) | |
| tree | 6989e241a7a314ad92cf5683f5973230b4d34ab1 /cryptobyte/string.go | |
| parent | bc19a97f63c84bfb02ed9bb14fb0f8f6bec9a964 (diff) | |
| download | go-x-crypto-5757bc0c5503e9832a646fcf49ea46445f253091.tar.xz | |
cryptobyte: add ReadUint64 and AddUint64
Fixes golang/go#53481.
Change-Id: Ic00eef498d1d3b5b0ca5c9c526fac7c26de30cf2
Reviewed-on: https://go-review.googlesource.com/c/crypto/+/421014
TryBot-Result: Gopher Robot <gobot@golang.org>
Auto-Submit: Filippo Valsorda <filippo@golang.org>
Run-TryBot: hopehook <hopehook@qq.com>
Reviewed-by: Damien Neil <dneil@google.com>
Reviewed-by: Roland Shoemaker <roland@golang.org>
Diffstat (limited to 'cryptobyte/string.go')
| -rw-r--r-- | cryptobyte/string.go | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/cryptobyte/string.go b/cryptobyte/string.go index 589d297..0531a3d 100644 --- a/cryptobyte/string.go +++ b/cryptobyte/string.go @@ -81,6 +81,17 @@ func (s *String) ReadUint32(out *uint32) bool { return true } +// ReadUint64 decodes a big-endian, 64-bit value into out and advances over it. +// It reports whether the read was successful. +func (s *String) ReadUint64(out *uint64) bool { + v := s.read(8) + if v == nil { + return false + } + *out = uint64(v[0])<<56 | uint64(v[1])<<48 | uint64(v[2])<<40 | uint64(v[3])<<32 | uint64(v[4])<<24 | uint64(v[5])<<16 | uint64(v[6])<<8 | uint64(v[7]) + return true +} + func (s *String) readUnsigned(out *uint32, length int) bool { v := s.read(length) if v == nil { |