完善不同加密方法的使用
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yun
+230
-58
@@ -1,80 +1,252 @@
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package sha512x
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package sha512x_test
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import (
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"bytes"
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"encoding/base64"
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"encoding/hex"
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"errors"
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"os"
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"path/filepath"
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"strings"
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"testing"
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"code.yun.ink/pkg/encryptx/sha512x"
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)
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func TestSha512(t *testing.T) {
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// 测试基本功能
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input := "hello world"
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hash := Sha512(input)
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// 测试向量来源：FIPS 180-4 示例与 NIST 标准测试向量，并经 Python 3 hashlib 独立复算确认。
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var vectors384 = []struct {
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name string
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input string
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want string
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}{
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{"空串", "", "38b060a751ac96384cd9327eb1b1e36a21fdb71114be07434c0cc7bf63f6e1da274edebfe76f65fbd51ad2f14898b95b"},
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{"abc", "abc", "cb00753f45a35e8bb5a03d699ac65007272c32ab0eded1631a8b605a43ff5bed8086072ba1e7cc2358baeca134c825a7"},
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}
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// SHA512应该产生128字符的十六进制字符串
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if len(hash) != 128 {
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t.Errorf("SHA512哈希长度错误，期望: 128, 实际: %d", len(hash))
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var vectors512 = []struct {
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name string
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input string
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want string
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}{
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{"空串", "", "cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e"},
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{"abc", "abc", "ddaf35a193617abacc417349ae20413112e6fa4e89a97ea20a9eeee64b55d39a2192992a274fc1a836ba3c23a3feebbd454d4423643ce80e2a9ac94fa54ca49f"},
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}
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type failingReader struct{}
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func (failingReader) Read([]byte) (int, error) { return 0, errors.New("模拟读取失败") }
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func TestConstants(t *testing.T) {
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if sha512x.Size384 != 48 || sha512x.Size512 != 64 {
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t.Fatalf("Size384 = %d, Size512 = %d, 期望 48 / 64", sha512x.Size384, sha512x.Size512)
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}
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// 相同输入应该产生相同输出
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hash2 := Sha512(input)
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if hash != hash2 {
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t.Errorf("相同输入产生了不同的哈希: %s vs %s", hash, hash2)
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}
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// 不同输入应该产生不同输出
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hash3 := Sha512("different input")
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if hash == hash3 {
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t.Errorf("不同输入产生了相同的哈希")
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if sha512x.BlockSize != 128 {
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t.Fatalf("BlockSize = %d, 期望 128", sha512x.BlockSize)
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}
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}
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func TestSha512Consistency(t *testing.T) {
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// 测试一致性
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input := "test string"
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// 多次计算应该得到相同结果
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hash1 := Sha512(input)
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hash2 := Sha512(input)
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hash3 := Sha512(input)
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if hash1 != hash2 || hash2 != hash3 {
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t.Errorf("多次计算应该得到相同的哈希")
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func TestVectors384(t *testing.T) {
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for _, v := range vectors384 {
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t.Run(v.name, func(t *testing.T) {
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data := []byte(v.input)
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sum := sha512x.Sum384(data)
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if len(sum) != sha512x.Size384 {
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t.Fatalf("Sum384 长度 = %d, 期望 %d", len(sum), sha512x.Size384)
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}
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if got := hex.EncodeToString(sum); got != v.want {
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t.Errorf("Sum384 = %s, 期望 %s", got, v.want)
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}
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if got := sha512x.Hex384(data); got != v.want {
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t.Errorf("Hex384 = %s, 期望 %s", got, v.want)
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}
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if want := base64.StdEncoding.EncodeToString(sum); sha512x.Base64Sum384(data) != want {
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t.Errorf("Base64Sum384 = %s, 期望 %s", sha512x.Base64Sum384(data), want)
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}
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h := sha512x.New384()
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if _, err := h.Write(data); err != nil {
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t.Fatalf("Write 失败: %v", err)
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}
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if got := hex.EncodeToString(h.Sum(nil)); got != v.want {
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t.Errorf("New384+Write = %s, 期望 %s", got, v.want)
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}
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})
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}
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}
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func TestSha512EdgeCases(t *testing.T) {
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// 空字符串
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emptyHash := Sha512("")
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if len(emptyHash) != 128 {
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t.Errorf("空字符串的SHA512哈希长度错误，期望: 128, 实际: %d", len(emptyHash))
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}
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// 长字符串
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longString := strings.Repeat("a", 10000)
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longHash := Sha512(longString)
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if len(longHash) != 128 {
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t.Errorf("长字符串的SHA512哈希长度错误，期望: 128, 实际: %d", len(longHash))
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}
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// 特殊字符
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specialChars := Sha512("!@#$%^&*()_+-=[]{}|;':\",./<>?")
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if len(specialChars) != 128 {
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t.Errorf("特殊字符的SHA512哈希长度错误，期望: 128, 实际: %d", len(specialChars))
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func TestVectors512(t *testing.T) {
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for _, v := range vectors512 {
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t.Run(v.name, func(t *testing.T) {
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data := []byte(v.input)
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sum := sha512x.Sum512(data)
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if len(sum) != sha512x.Size512 {
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t.Fatalf("Sum512 长度 = %d, 期望 %d", len(sum), sha512x.Size512)
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}
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if got := hex.EncodeToString(sum); got != v.want {
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t.Errorf("Sum512 = %s, 期望 %s", got, v.want)
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}
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if got := sha512x.Hex512(data); got != v.want {
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t.Errorf("Hex512 = %s, 期望 %s", got, v.want)
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}
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if want := base64.StdEncoding.EncodeToString(sum); sha512x.Base64Sum512(data) != want {
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t.Errorf("Base64Sum512 = %s, 期望 %s", sha512x.Base64Sum512(data), want)
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}
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h := sha512x.New512()
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if _, err := h.Write(data); err != nil {
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t.Fatalf("Write 失败: %v", err)
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}
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if got := hex.EncodeToString(h.Sum(nil)); got != v.want {
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t.Errorf("New512+Write = %s, 期望 %s", got, v.want)
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}
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})
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}
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}
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func BenchmarkSha512(b *testing.B) {
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input := "benchmark test string"
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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Sha512(input)
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func TestDefaultAliasesMatch512(t *testing.T) {
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data := []byte("encryptx alias check")
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if !bytes.Equal(sha512x.Sum(data), sha512x.Sum512(data)) {
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t.Error("Sum 应等价于 Sum512")
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}
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if sha512x.Hex(data) != sha512x.Hex512(data) {
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t.Error("Hex 应等价于 Hex512")
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}
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if sha512x.Base64(data) != sha512x.Base64Sum512(data) {
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t.Error("Base64 应等价于 Base64Sum512")
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}
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if h := sha512x.New(); h.Size() != sha512x.Size512 {
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t.Errorf("New().Size() = %d, 期望 %d", h.Size(), sha512x.Size512)
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}
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}
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func BenchmarkSha512Long(b *testing.B) {
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input := strings.Repeat("benchmark test string ", 100) // 约2.5KB
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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Sha512(input)
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func TestVariantsDiffer(t *testing.T) {
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data := []byte("abc")
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if sha512x.Hex384(data) == sha512x.Hex512(data) {
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t.Error("SHA-384 与 SHA-512 的摘要不应相同")
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}
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}
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func TestStreamingMatchesSum(t *testing.T) {
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data := []byte(strings.Repeat("encryptx-sha512-", 100))
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for _, tc := range []struct {
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name string
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h hashLike
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whole []byte
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}{
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{"SHA-384", sha512x.New384(), sha512x.Sum384(data)},
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{"SHA-512", sha512x.New512(), sha512x.Sum512(data)},
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} {
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t.Run(tc.name, func(t *testing.T) {
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for i := 0; i < len(data); i += 11 {
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end := i + 11
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if end > len(data) {
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end = len(data)
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}
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if _, err := tc.h.Write(data[i:end]); err != nil {
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t.Fatalf("Write 失败: %v", err)
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}
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}
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if sum := tc.h.Sum(nil); !bytes.Equal(sum, tc.whole) {
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t.Errorf("分块写入 = %x, 期望 %x", sum, tc.whole)
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}
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})
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}
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}
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// hashLike 是测试用的最小哈希接口。
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type hashLike interface {
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Write([]byte) (int, error)
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Sum([]byte) []byte
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}
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func TestReaderConsistency(t *testing.T) {
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const s = "encryptx 一致性检查"
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sum, err := sha512x.SumReader(strings.NewReader(s))
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if err != nil {
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t.Fatalf("SumReader 失败: %v", err)
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}
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if want := sha512x.Sum512([]byte(s)); !bytes.Equal(sum, want) {
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t.Errorf("SumReader = %x, 期望 %x", sum, want)
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}
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hexStr, err := sha512x.HexReader(strings.NewReader(s))
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if err != nil {
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t.Fatalf("HexReader 失败: %v", err)
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}
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if want := sha512x.Hex512([]byte(s)); hexStr != want {
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t.Errorf("HexReader = %s, 期望 %s", hexStr, want)
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}
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}
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func TestReaderErrors(t *testing.T) {
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if _, err := sha512x.SumReader(nil); err == nil {
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t.Fatal("nil 读取器应返回 error")
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}
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if _, err := sha512x.HexReader(nil); err == nil {
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t.Fatal("nil 读取器应返回 error")
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}
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if _, err := sha512x.SumReader(failingReader{}); err == nil {
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t.Fatal("读取失败时应返回 error")
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}
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}
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func TestHexFile(t *testing.T) {
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dir := t.TempDir()
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content := []byte("文件内容 file content\n")
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path := filepath.Join(dir, "sample.bin")
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if err := os.WriteFile(path, content, 0o600); err != nil {
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t.Fatalf("写入测试文件失败: %v", err)
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}
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got, err := sha512x.HexFile(path)
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if err != nil {
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t.Fatalf("HexFile 失败: %v", err)
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}
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if want := sha512x.Hex512(content); got != want {
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t.Errorf("HexFile = %s, 期望 %s", got, want)
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}
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}
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func TestHexFileErrors(t *testing.T) {
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if _, err := sha512x.HexFile(filepath.Join(t.TempDir(), "不存在.bin")); err == nil {
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t.Fatal("不存在的文件应返回 error")
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}
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if _, err := sha512x.HexFile(""); err == nil {
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t.Fatal("空路径应返回 error")
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}
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if _, err := sha512x.HexFile(t.TempDir()); err == nil {
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t.Fatal("目录路径应返回 error")
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}
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}
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func TestLargeInput(t *testing.T) {
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data := largeData(1 << 20)
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want := sha512x.Hex512(data)
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if got := sha512x.Hex512(data); got != want {
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t.Errorf("重复计算结果不一致: %s vs %s", got, want)
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}
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got, err := sha512x.HexReader(bytes.NewReader(data))
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if err != nil {
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t.Fatalf("HexReader 失败: %v", err)
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}
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if got != want {
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t.Errorf("HexReader = %s, 期望 %s", got, want)
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}
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h := sha512x.New512()
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if _, err := h.Write(data[:1<<19]); err != nil {
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t.Fatalf("Write 失败: %v", err)
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}
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if _, err := h.Write(data[1<<19:]); err != nil {
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t.Fatalf("Write 失败: %v", err)
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}
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if got := hex.EncodeToString(h.Sum(nil)); got != want {
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t.Errorf("1MiB 分块 = %s, 期望 %s", got, want)
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}
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}
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// largeData 生成确定性的 n 字节数据。
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func largeData(n int) []byte {
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b := make([]byte, n)
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for i := range b {
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b[i] = byte(i*31 + i/7)
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}
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return b
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}
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