linuxÓëjavaµÄmd5¼ÓÃܲî±ðÔÚÄÄ
ÔÚlinuxºÍjavaÖУ¬md5¼ÓÃÜËã·¨µÄʵÏÖÊÇÏàͬµÄ£¬µ«ÔÚʹÓÃÉÏÓÐϸ΢µÄ²î±ð£º1¡¢linuxÖУ¬¿ÉÒÔÖ±½ÓʹÓÃÏÂÁîÐй¤¾ßmd5sum¶ÔÎļþ»ò×Ö·û´®¾ÙÐÐmd5¼ÓÃÜ£¬¶øÔÚjavaÖУ¬ÐèҪʹÓÃmessagedigestÀàÀ´ÅÌËã×Ö·û´®µÄmd5É¢ÁÐÖµ£»2¡¢linuxÖУ¬md5sumÏÂÁîÊä³öµÄÉ¢ÁÐֵͨ³£ÒÔÊ®Áù½øÖÆ×Ö·û´®µÄÐÎʽÌåÏÖ£»¶øÔÚjavaÖУ¬md5É¢ÁÐֵĬÈÏÒÔ×Ö½ÚÊý×éµÄÐÎʽÌåÏÖ¡£
±¾½Ì³Ì²Ù×÷ϵͳ£ºLinux5.18.14ϵͳ¡¢Dell G3µçÄÔ¡£
ÔÚ Linux ºÍ Java ÖУ¬MD5 ¼ÓÃÜËã·¨µÄʵÏÖÊÇÏàͬµÄ£¬µ«ÔÚʹÓÃÉÏ¿ÉÄÜÓÐһЩϸ΢µÄ²î±ð¡£
1¡¢×Ö·û´®´¦Àí·½·¨£º
ÔÚ Linux ÖУ¬¿ÉÒÔÖ±½ÓʹÓÃÏÂÁîÐй¤¾ß md5sum ¶ÔÎļþ»ò×Ö·û´®¾ÙÐÐ MD5 ¼ÓÃÜ¡£Ëü½«¶ÔÕû¸öÎļþ»ò×Ö·û´®ÅÌËã MD5 É¢ÁÐÖµ£¬²¢Êä³öЧ¹û¡£¶øÔÚ Java ÖУ¬ÄãÐèҪʹÓà Java µÄ MessageDigest ÀàÀ´ÅÌËã×Ö·û´®µÄ MD5 É¢ÁÐÖµ¡£
Á¬Ã¦Ñ§Ï°¡°JavaÃâ·ÑѧϰÌõ¼Ç£¨ÉîÈ룩¡±£»
2¡¢ÊäÌØÊâʽ£º
ÔÚ Linux ÖУ¬md5sum ÏÂÁîÊä³öµÄÉ¢ÁÐֵͨ³£ÒÔÊ®Áù½øÖÆ×Ö·û´®µÄÐÎʽÌåÏÖ£¬ÀýÈç d41d8cd98f00b204e9800998ecf8427e¡£¶øÔÚ Java ÖУ¬MD5 É¢ÁÐֵĬÈÏÒÔ×Ö½ÚÊý×éµÄÐÎʽÌåÏÖ£¬Äã¿ÉÒÔ½«Æäת»»³ÉÊ®Áù½øÖÆ×Ö·û´®£¬Ò²¿ÉÒÔ±£´æΪ×Ö½ÚÊý×é¡£
ÏÂÃæ»®·Ö¸ø³öÔÚ Linux ºÍ Java ÖÐÅÌËã×Ö·û´®µÄ MD5 É¢ÁÐÖµµÄʾÀý´úÂ룺
ÔÚ Linux ÖÐʹÓà md5sum ÏÂÁ
echo -n "Hello, World!" | md5sum
µÇ¼ºó¸´ÖÆ
ÔÚ Java ÖÐʹÓà MessageDigest ÅÌËã MD5 É¢ÁÐÖµ£º
import java.nio.charset.StandardCharsets; import java.security.MessageDigest; import java.security.NoSuchAlgorithmException; public class MD5Example { public static void main(String[] args) throws NoSuchAlgorithmException { String input = "Hello, World!"; MessageDigest md = MessageDigest.getInstance("MD5"); byte[] hash = md.digest(input.getBytes(StandardCharsets.UTF_8)); StringBuilder hexString = new StringBuilder(); for (byte b : hash) { String hex = Integer.toHexString(0xFF & b); if (hex.length() == 1) { hexString.append('0'); } hexString.append(hex); } System.out.println(hexString.toString()); } }
µÇ¼ºó¸´ÖÆ
ÎÞÂÛÊÇÔÚ Linux ÕÕ¾É Java ÖУ¬MD5 ¼ÓÃÜËã·¨¶¼Êǵ¥ÏòµÄ£¬²»¿ÉÄæת¡£Ëü¿ÉÒÔÓÃÓÚÑéÖ¤Êý¾ÝµÄÍêÕûÐÔ£¬µ«¹ØÓÚÃÜÂë´æ´¢À´ËµÒѾ²»ÔÙÇå¾²£¬ÍƼöʹÓøüÇ¿Ê¢µÄ¹þÏ£Ëã·¨£¬Èç SHA-256 »ò bcrypt¡£
ÒÔÉϾÍÊÇlinuxÓëjavaµÄmd5¼ÓÃܲî±ðÔÚÄĵÄÏêϸÄÚÈÝ£¬¸ü¶àÇë¹Ø×¢±¾ÍøÄÚÆäËüÏà¹ØÎÄÕ£¡