...t org.bouncycastle.jce.provider.BouncyCastleProvider; import javax.crypto.Cipher; import javax.crypto.KeyGenerator; import javax.crypto.SecretKey; import javax.crypto.SecretKeyFactory; import java...
...key 恢復(fù)密鑰 SecretKey secretKey = new SecretKeySpec(key, DES); //Cipher完成加密/解密工作 Cipher cipher = Cipher.getInstance(DES); //根據(jù)密鑰,對(duì)Cipher初始化,并選擇加密還是解密 cipher.init(Cipher.ENCRYPT_MODE, secretKey); by...
javax.crypto.Cipher 源碼學(xué)習(xí)筆記 該類是JCE用來(lái)加密的引擎類,支持對(duì)稱和非對(duì)稱加密。該類的介紹可以參考:[[譯]JCA參考指南(二):核心類和接口](https://xshandow.gitee.io/201... 最近看了下OpenJDK中的Cipher源碼,現(xiàn)在介紹一下Cipher的內(nèi)...
...-KeyFactory --X509EncodedKeySpec --PublicKey 加密、解密 --Cipher:為加密解密提供密碼功能的類 2-3 DH算法實(shí)現(xiàn) 代碼演示: package com.myimooc.security.dh; import org.apache.commons.codec.binary.Base64; import java...
...cretKeySpec(Base64.getDecoder().decode(key), DES);//恢復(fù)密鑰 Cipher cipher = null;//Cipher完成加密或解密工作類 try { cipher = Cipher.getInstance(DES); } catch (NoSuchAlgorithm...
...AES) import org.apache.commons.codec.binary.Base64; import javax.crypto.Cipher; import javax.crypto.SecretKey; import javax.crypto.spec.IvParameterSpec; import javax.crypto.spec.SecretKeySpec; im...
...rypto.SecretKeyFactory; import javax.crypto.SecretKey; import javax.crypto.Cipher; public class DES { /** * 測(cè)試方法 */ public static void main(String[] args) { String str = ...
...鑰,而128 bits的key已能夠滿足商用安全需求。 加密模式(Cipher Mode) 分組密碼算法只能加密固定長(zhǎng)度的分組,但是我們需要加密的明文長(zhǎng)度可能會(huì)超過(guò)分組密碼的分組長(zhǎng)度,這時(shí)就需要對(duì)分組密碼算法進(jìn)行迭代,以便將一段很長(zhǎng)...
....binary.Base64; import org.apache.commons.io.IOUtils; import javax.crypto.Cipher; import java.io.ByteArrayOutputStream; import java.security.*; import java.security.interfaces.RSAPublicKey; import...
....binary.Base64; import org.apache.commons.io.IOUtils; import javax.crypto.Cipher; import java.io.ByteArrayOutputStream; import java.security.*; import java.security.interfaces.RSAPublicKey; import...
...ge編寫(xiě)的js代碼實(shí)現(xiàn)AES-ECB加密的代碼就是下面這些: const cipher = forge.cipher.createCipher(AES-ECB, 這里是16字節(jié)密鑰); cipher.start(); cipher.update(forge.util.createBuffer(這里是明文)); cipher.finish(); const result = forge.uti...
...ge編寫(xiě)的js代碼實(shí)現(xiàn)AES-ECB加密的代碼就是下面這些: const cipher = forge.cipher.createCipher(AES-ECB, 這里是16字節(jié)密鑰); cipher.start(); cipher.update(forge.util.createBuffer(這里是明文)); cipher.finish(); const result = forge.uti...
... * @return */ public static String enStr(String str, byte[] key) { Cipher cipher = null; SecretKey generateKey = null; try { generateKey = new SecretKeySpec(key, AES); ...
...ncryptUseDES:(NSString *)plainText key:(NSString *)key { NSString *ciphertext = nil; const charchar *textBytes = [plainText UTF8String]; NSUInteger dataLength = [plainText lengt...
ChatGPT和Sora等AI大模型應(yīng)用,將AI大模型和算力需求的熱度不斷帶上新的臺(tái)階。哪里可以獲得...
大模型的訓(xùn)練用4090是不合適的,但推理(inference/serving)用4090不能說(shuō)合適,...
圖示為GPU性能排行榜,我們可以看到所有GPU的原始相關(guān)性能圖表。同時(shí)根據(jù)訓(xùn)練、推理能力由高到低做了...