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检查变化后发现,memcmp检查已添加到函数的两个位置(图 1)。 图1:修补程序中已添加到 CreateChainContextFromPathGraph 的代码(突出显示部分) 在修补之前,该函数仅根据其 MD5 指纹来确定接收到的证书是否已位于缓存中(并因此得到验证)。在修补之后,memcmp添加要求两个证书的实际内容完全匹配。 据此,我们推测,如果攻...
if ( memcmp( input, txt, 5 ) != 0 ) { cerr << "DES Encryption/decryption failed.\n"; abort(); } cout << "DES Encryption/decryption succeeded.\n"; return 0; } 回想一下以上代码的编写过程,就可以发现,进行DES加密,流程大概是: 数据准备; 构造加密器; 设置加密密匙; 加密数据; 显示(...
if( memcmp( input, txt,5)!=0) 55 { 56 cerr<<"DES Encryption/decryption failed.\n"; 57 abort(); 58 } 59 cout<<"DES Encryption/decryption succeeded.\n"; 60 61 return0; 62 } 63 回想一下以上代码的编写过程,就可以发现,进行DES加密,流程大概是: 数据准备; 构造加密器; 设置加密密匙; ...
I've cloned the repository and am trying to build using the script, but I get an error: $ ./build-libssl.sh Using openssl-1.0.1f.tar.gz Building openssl-1.0.1f for iPhoneSimulator 7.0 i386 Please stand by... Problem while make - Please c...
CE 模块主要支持的算法如下：- AES 算法 ECB/CBC/CTR/CTS/OFB/CFB/CBC-MAC/XTS 等模式.- HASH ...
("do rsa crypto failed: %d\n", ret); goto out; } ret = memcmp(rsa_ctx->dst_buffer, rsa_signature[i], rsa_bitwidth[i] / 8); if (ret) { printf("rsa encrypt failed\n"); ce_dump("want data: ", rsa_signature[i], rsa_bitwidth[i] / 8, 16); ce_dump("calc data: ", ...
ret .size CRYPTO_memcmp,.-CRYPTO_memcmp Jan 23, 2015 Add assembly support to ios64-cross. 147 148 149 ___ print $code; Feb 17, 2020 Also check for errors in x86_64-xlate.pl. 150 close STDOUT or die "error closing STDOUT: $!";While...
// if(dwHashLen!=dwDestHashLen || memcmp(pbHash, pbDestHash, dwHashLen)) { printf("Key exchange protocol failed in phase 2!\n"); printf("Aborting protocol!\n"); return; } // // Compute hash to be sent to the destination user. // // Create hash object. CryptCreateHash(hProv,...
(memcmp(aes_ctx->dst_buffer, enc_buffer, enc_len) != 0) { ce_dump("want data: ", enc_buffer, enc_len, 16); ce_dump("calc data: ", aes_ctx->dst_buffer, enc_len, 16); printf( "###AES ENC, mode: %d, ksize %d, src len %d, " "fail###\n", m, aes_key_len[i],...