Skip to content

allow to use input iv. 在工具函数SM4Cbc中，允许使用通过形参输入的iv，以支持并行调用。（兼容使用全局变量IV的情况） #200

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
MaoJianwei wants to merge 3 commits into
base: master
Choose a base branch
from
Open

allow to use input iv. 在工具函数SM4Cbc中，允许使用通过形参输入的iv，以支持并行调用。（兼容使用全局变量IV的情况） #200

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
621d83a
allow to use input iv.
MaoJianwei Dec 31, 2023
95cd236
Create go.yml
MaoJianwei Mar 1, 2025
24ab19f
Update go.yml
MaoJianwei Mar 1, 2025
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
38 changes: 38 additions & 0 deletions .github/workflows/go.yml
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,38 @@
# This workflow will build a golang project
# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-go

name: Go

on:
push:
branches: [ "*" ]
# Build semver tags as releases.
tags: [ '*' ]
pull_request:
branches: [ "*" ]
# Build semver tags as releases.
tags: [ '*' ]
workflow_dispatch:

jobs:

build:
strategy:
fail-fast: false
matrix:
os: ["windows-latest", "ubuntu-latest", "ubuntu-22.04", "ubuntu-20.04", "macos-latest"]
go-version: ["1.24", "1.23", "1.22", "1.21", "1.20", "1.19", "1.18"]
runs-on: ${{ matrix.os }}
steps:
- uses: actions/checkout@v4

- name: Set up Go
uses: actions/setup-go@v5
with:
go-version: ${{ matrix.go-version }}

- name: Build
run: go build -v ./...

- name: Test
run: go test -v ./...
11 changes: 9 additions & 2 deletions sm4/sm4.go
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -299,7 +299,7 @@ func SetIV(iv []byte) error {
return nil
}

func Sm4Cbc(key []byte, in []byte, mode bool) (out []byte, err error) {
func Sm4Cbc(key []byte, in []byte, mode bool, ivInput ...[]byte) (out []byte, err error) {
if len(key) != BlockSize {
return nil, errors.New("SM4: invalid key size " + strconv.Itoa(len(key)))
}
Expand All @@ -310,7 +310,14 @@ func Sm4Cbc(key []byte, in []byte, mode bool) (out []byte, err error) {
inData = in
}
iv := make([]byte, BlockSize)
copy(iv, IV)
if ivInput != nil {
if len(ivInput[0]) != BlockSize {
return nil, errors.New("SM4: invalid iv size")
}
copy(iv, ivInput[0])
} else {
copy(iv, IV)
}
out = make([]byte, len(inData))
c, err := NewCipher(key)
if err != nil {
Expand Down