pro.fessional.mirana.bits

Class MdHelp

java.lang.Object

pro.fessional.mirana.bits.MdHelp

public class MdHelp
extends Object

MessageDigest helper and thread safe

Since:

2021-01-24

Author:

trydofor

Field Summary

Fields

Modifier and Type	Field and Description
String	algorithm
static int	LEN_MD5_HEX
static int	LEN_SHA1_HEX
static int	LEN_SHA256_HEX
static MdHelp	md5
static MdHelp	sha1
static MdHelp	sha256

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	MdHelp(String algorithm)

Method Summary

Modifier and Type	Method and Description
boolean	check(@Nullable String sum, byte[] bytes)
boolean	check(@Nullable String sum, @Nullable InputStream ins)
boolean	check(@Nullable String sum, @Nullable String str)
static boolean	checks(@Nullable String sum, @Nullable Object obj) Auto check sum based on sum length, and obj type
byte[]	digest(byte[] bytes)
static @NotNull MessageDigest	newMd5()
@NotNull MessageDigest	newOne() create a Mac instance, the instance it not thread-safe
static @NotNull MessageDigest	newOne(@NotNull String algorithm)
static @NotNull MessageDigest	newSha1()
static @NotNull MessageDigest	newSha256()
static @NotNull MdHelp	of(@NotNull String algorithm)
@NotNull String	sum(byte[] bytes)
@NotNull String	sum(byte[] bytes, boolean upper)
@NotNull String	sum(@Nullable InputStream ins)
@NotNull String	sum(@Nullable InputStream ins, boolean upper)
@NotNull String	sum(@Nullable String str)
@NotNull String	sum(@Nullable String str, boolean upper)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

algorithm

public final String algorithm

LEN_MD5_HEX

public static final int LEN_MD5_HEX

See Also:

Constant Field Values

LEN_SHA1_HEX

public static final int LEN_SHA1_HEX

See Also:

Constant Field Values

LEN_SHA256_HEX

public static final int LEN_SHA256_HEX

See Also:

Constant Field Values

md5

public static final MdHelp md5

sha1

public static final MdHelp sha1

sha256

public static final MdHelp sha256

Constructor Detail

MdHelp

protected MdHelp(String algorithm)

Method Detail

sum

@NotNull
public @NotNull String sum(@Nullable
                                    @Nullable String str)

sum

@NotNull
public @NotNull String sum(@Nullable
                                    @Nullable InputStream ins)

sum

@NotNull
public @NotNull String sum(byte[] bytes)

sum

@NotNull
public @NotNull String sum(@Nullable
                                    @Nullable String str,
                                    boolean upper)

sum

@NotNull
public @NotNull String sum(@Nullable
                                    @Nullable InputStream ins,
                                    boolean upper)

sum

@NotNull
public @NotNull String sum(byte[] bytes,
                                    boolean upper)

digest

public byte[] digest(byte[] bytes)

newOne

@NotNull
public @NotNull MessageDigest newOne()

create a Mac instance, the instance it not thread-safe

check

public boolean check(@Nullable
                     @Nullable String sum,
                     byte[] bytes)

check

public boolean check(@Nullable
                     @Nullable String sum,
                     @Nullable
                     @Nullable String str)

check

public boolean check(@Nullable
                     @Nullable String sum,
                     @Nullable
                     @Nullable InputStream ins)

of

@NotNull
public static @NotNull MdHelp of(@NotNull
                                          @NotNull String algorithm)

newMd5

@NotNull
public static @NotNull MessageDigest newMd5()

newSha1

@NotNull
public static @NotNull MessageDigest newSha1()

newSha256

@NotNull
public static @NotNull MessageDigest newSha256()

newOne

@NotNull
public static @NotNull MessageDigest newOne(@NotNull
                                                     @NotNull String algorithm)

checks

public static boolean checks(@Nullable
                             @Nullable String sum,
                             @Nullable
                             @Nullable Object obj)

Auto check sum based on sum length, and obj type

Parameters:

sum - case-insensitive HEX string, support MD5,SHA1,SHA256

obj - support byte[], CharSequence, InputStream