苹果签名使用第三方签名工具签名失败问题

看看你的证书组织单位是不是G3：

20200924144314.jpg

如果这里是G3,说明根证书验证是苹果新的G3证书，需要找到工具签名验证的地方，一般都是明文，很好找：

20200924144500.jpg

请自行增加判断逻辑，G3证书改成下面这个根证书：

const char *appleDevCACert_G3 = "-----BEGIN CERTIFICATE-----" "\n"
                                "MIIEUTCCAzmgAwIBAgIQfK9pCiW3Of57m0R6wXjF7jANBgkqhkiG9w0BAQsFADBi" "\n"
                                "MQswCQYDVQQGEwJVUzETMBEGA1UEChMKQXBwbGUgSW5jLjEmMCQGA1UECxMdQXBw" "\n"
                                "bGUgQ2VydGlmaWNhdGlvbiBBdXRob3JpdHkxFjAUBgNVBAMTDUFwcGxlIFJvb3Qg" "\n"
                                "Q0EwHhcNMjAwMjE5MTgxMzQ3WhcNMzAwMjIwMDAwMDAwWjB1MUQwQgYDVQQDDDtB" "\n"
                                "cHBsZSBXb3JsZHdpZGUgRGV2ZWxvcGVyIFJlbGF0aW9ucyBDZXJ0aWZpY2F0aW9u" "\n"
                                "IEF1dGhvcml0eTELMAkGA1UECwwCRzMxEzARBgNVBAoMCkFwcGxlIEluYy4xCzAJ" "\n"
                                "BgNVBAYTAlVTMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2PWJ/KhZ" "\n"
                                "C4fHTJEuLVaQ03gdpDDppUjvC0O/LYT7JF1FG+XrWTYSXFRknmxiLbTGl8rMPPbW" "\n"
                                "BpH85QKmHGq0edVny6zpPwcR4YS8Rx1mjjmi6LRJ7TrS4RBgeo6TjMrA2gzAg9Dj" "\n"
                                "+ZHWp4zIwXPirkbRYp2SqJBgN31ols2N4Pyb+ni743uvLRfdW/6AWSN1F7gSwe0b" "\n"
                                "5TTO/iK1nkmw5VW/j4SiPKi6xYaVFuQAyZ8D0MyzOhZ71gVcnetHrg21LYwOaU1A" "\n"
                                "0EtMOwSejSGxrC5DVDDOwYqGlJhL32oNP/77HK6XF8J4CjDgXx9UO0m3JQAaN4LS" "\n"
                                "VpelUkl8YDib7wIDAQABo4HvMIHsMBIGA1UdEwEB/wQIMAYBAf8CAQAwHwYDVR0j" "\n"
                                "BBgwFoAUK9BpR5R2Cf70a40uQKb3R01/CF4wRAYIKwYBBQUHAQEEODA2MDQGCCsG" "\n"
                                "AQUFBzABhihodHRwOi8vb2NzcC5hcHBsZS5jb20vb2NzcDAzLWFwcGxlcm9vdGNh" "\n"
                                "MC4GA1UdHwQnMCUwI6AhoB+GHWh0dHA6Ly9jcmwuYXBwbGUuY29tL3Jvb3QuY3Js" "\n"
                                "MB0GA1UdDgQWBBQJ/sAVkPmvZAqSErkmKGMMl+ynsjAOBgNVHQ8BAf8EBAMCAQYw" "\n"
                                "EAYKKoZIhvdjZAYCAQQCBQAwDQYJKoZIhvcNAQELBQADggEBAK1lE+j24IF3RAJH" "\n"
                                "Qr5fpTkg6mKp/cWQyXMT1Z6b0KoPjY3L7QHPbChAW8dVJEH4/M/BtSPp3Ozxb8qA" "\n"
                                "HXfCxGFJJWevD8o5Ja3T43rMMygNDi6hV0Bz+uZcrgZRKe3jhQxPYdwyFot30ETK" "\n"
                                "XXIDMUacrptAGvr04NM++i+MZp+XxFRZ79JI9AeZSWBZGcfdlNHAwWx/eCHvDOs7" "\n"
                                "bJmCS1JgOLU5gm3sUjFTvg+RTElJdI+mUcuER04ddSduvfnSXPN/wmwLCTbiZOTC" "\n"
                                "NwMUGdXqapSqqdv+9poIZ4vvK7iqF0mDr8/LvOnP6pVxsLRFoszlh6oKw0E6eVza" "\n"
                                "UDSdlTs=" "\n"
                                "-----END CERTIFICATE-----" "\n";

这个是根据苹果根证书提取的，下载根证书请看前几篇文章。