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author | Jhon Honce <jhonce@redhat.com> | 2020-01-14 15:34:15 -0700 |
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committer | Jhon Honce <jhonce@redhat.com> | 2020-01-15 09:13:45 -0700 |
commit | 89678ab0edb0429adc515b7abfedb69db7323bde (patch) | |
tree | 58eb1065d53f5d90a6cb4185d9b0b960f8316907 /vendor/golang.org/x/crypto/poly1305/bits_compat.go | |
parent | ad5137bc7b346ef2e28eb85c872728b6748bc629 (diff) | |
download | podman-89678ab0edb0429adc515b7abfedb69db7323bde.tar.gz podman-89678ab0edb0429adc515b7abfedb69db7323bde.tar.bz2 podman-89678ab0edb0429adc515b7abfedb69db7323bde.zip |
Add APIv2 CLI example POC
* Add ReadMe, CLI and unit files to support socket activation, both for
system and rootless
Signed-off-by: Jhon Honce <jhonce@redhat.com>
Diffstat (limited to 'vendor/golang.org/x/crypto/poly1305/bits_compat.go')
-rw-r--r-- | vendor/golang.org/x/crypto/poly1305/bits_compat.go | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/vendor/golang.org/x/crypto/poly1305/bits_compat.go b/vendor/golang.org/x/crypto/poly1305/bits_compat.go new file mode 100644 index 000000000..157a69f61 --- /dev/null +++ b/vendor/golang.org/x/crypto/poly1305/bits_compat.go @@ -0,0 +1,39 @@ +// Copyright 2019 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. + +// +build !go1.13 + +package poly1305 + +// Generic fallbacks for the math/bits intrinsics, copied from +// src/math/bits/bits.go. They were added in Go 1.12, but Add64 and Sum64 had +// variable time fallbacks until Go 1.13. + +func bitsAdd64(x, y, carry uint64) (sum, carryOut uint64) { + sum = x + y + carry + carryOut = ((x & y) | ((x | y) &^ sum)) >> 63 + return +} + +func bitsSub64(x, y, borrow uint64) (diff, borrowOut uint64) { + diff = x - y - borrow + borrowOut = ((^x & y) | (^(x ^ y) & diff)) >> 63 + return +} + +func bitsMul64(x, y uint64) (hi, lo uint64) { + const mask32 = 1<<32 - 1 + x0 := x & mask32 + x1 := x >> 32 + y0 := y & mask32 + y1 := y >> 32 + w0 := x0 * y0 + t := x1*y0 + w0>>32 + w1 := t & mask32 + w2 := t >> 32 + w1 += x0 * y1 + hi = x1*y1 + w2 + w1>>32 + lo = x * y + return +} |