文档说:“如果不是所有验证叶证书所需的证书都包含在信任管理对象中,那么 SecTrustEvaluate 在钥匙串(keychain)搜索列表(请参阅 SecTrustSetKeychains)和系统的 anchor 证书存储中搜索证书(请参阅 SecTrustSetAnchorCertificates)。”
但是,由于 SecTrustSetKeychains() 在 iOS 上不可用,尚不清楚此函数是否也会在应用程序的钥匙串(keychain)中查找。
好像你发帖已经有一段时间了,所以我不确定你是否还需要答案。如果您的用例是“我遇到了 connection:didReceiveAuthenticationChallenge:
,并且我想确保正在评估 exact 证书,那么您可以使用 iOS 内置的信任方法或通过 Foundation API 做更多的工作注意这里没有专门调用 SecTrustEvaulate,但可以很容易地添加它)
#import <Security/Security.h>
#import <CommonCrypto/CommonDigest.h>
从那里,您可以迭代整个证书数组,并将其与挑战服务器信任引用的 SHA1 之类的东西进行比较:
// way #1 - iOS built-in ================================================ //
SecTrustRef trust = challenge.protectionSpace.serverTrust;
CFIndex cnt = SecTrustGetCertificateCount(trust);
// way #2 - build it in yourself from a file ============================ //
OSErr err;
NSString *path = [[NSBundle mainBundle] pathForResource"my.cert"
ofType"der"];
NSData *derData = [NSData dataWithContentsOfFile:path];
SecCertificateRef myCert =
SecCertificateCreateWithData(NULL, (CFDataRef)derData);
CFMutableArrayRef array = CFArrayCreateMutable(NULL, 1, NULL);
CFArrayInsertValueAtIndex(array, 0, myCert);
err = SecTrustSetAnchorCertificates(trust, array);
if (err != errSecSuccess) {
// do something smarter here, obviously, logging would be a start
abort();
}
CFArrayRef certs = NULL;
err = SecTrustCopyCustomAnchorCertificates(trust, &certs);
if (err != errSecSuccess) {
// again, better choices needed
abort();
}
CFIndex cnt = CFArrayGetCount(certs);
// loop and compare 'em
for (int i = 0; i < cnt; i++) {
SecCertificateRef cert = SecTrustGetCertificateAtIndex(trust, i);
CFDataRef cdata = SecCertificateCopyData(cert);
NSData *data = [[NSData alloc] initWithDataNSData *)cdata];
unsigned char digest_result[CC_SHA1_DIGEST_LENGTH];
CC_SHA1(data.bytes, data.length, digest_result);
// compare each byte with your in-code SHA1 bytes
if (allBytesMatch) {
NSURLCredential *cred = [NSURLCredential credentialForTrust:trust];
[challenge.sender useCredential:cred
forAuthenticationChallenge:challenge];
}
}
// don't forget to release & CFRelease all the alloc'ed stuff from above
关于iphone - SecTrustEvaluate() 是否在应用程序钥匙串(keychain)中查找根证书?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/4669255/
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