SecCertificateCopyKey returns always nil on iOS 14.4.0, 14.4.1 and
.2 but on iOS 13 and 14.1 works fine.
That’s not my experience (pasted in below is my test code, tested on 14.4.2). Can you post an example certificate that’s causing you problems.
Share and Enjoy
—
Quinn “The Eskimo!” @ Developer Technical Support @ Apple
let myEmail = "eskimo" + "1" + "@" + "apple.com"Code Block | let certBytes: [UInt8] = [ |
| 0x30, 0x82, 0x02, 0xEA, 0x30, 0x82, 0x01, 0xD2, 0xA0, 0x03, 0x02, 0x01, 0x02, 0x02, 0x01, 0x0C, |
| 0x30, 0x0D, 0x06, 0x09, 0x2A, 0x86, 0x48, 0x86, 0xF7, 0x0D, 0x01, 0x01, 0x0B, 0x05, 0x00, 0x30, |
| 0x1F, 0x31, 0x10, 0x30, 0x0E, 0x06, 0x03, 0x55, 0x04, 0x03, 0x0C, 0x07, 0x4D, 0x6F, 0x75, 0x73, |
| 0x65, 0x43, 0x41, 0x31, 0x0B, 0x30, 0x09, 0x06, 0x03, 0x55, 0x04, 0x06, 0x13, 0x02, 0x47, 0x42, |
| 0x30, 0x1E, 0x17, 0x0D, 0x31, 0x39, 0x30, 0x39, 0x33, 0x30, 0x31, 0x34, 0x32, 0x36, 0x32, 0x37, |
| 0x5A, 0x17, 0x0D, 0x32, 0x39, 0x30, 0x39, 0x32, 0x37, 0x31, 0x34, 0x32, 0x36, 0x32, 0x37, 0x5A, |
| 0x30, 0x26, 0x31, 0x17, 0x30, 0x15, 0x06, 0x03, 0x55, 0x04, 0x03, 0x0C, 0x0E, 0x53, 0x6C, 0x61, |
| 0x72, 0x74, 0x69, 0x62, 0x61, 0x72, 0x74, 0x66, 0x61, 0x73, 0x74, 0x31, 0x0B, 0x30, 0x09, 0x06, |
| 0x03, 0x55, 0x04, 0x06, 0x13, 0x02, 0x47, 0x42, 0x30, 0x82, 0x01, 0x22, 0x30, 0x0D, 0x06, 0x09, |
| 0x2A, 0x86, 0x48, 0x86, 0xF7, 0x0D, 0x01, 0x01, 0x01, 0x05, 0x00, 0x03, 0x82, 0x01, 0x0F, 0x00, |
| 0x30, 0x82, 0x01, 0x0A, 0x02, 0x82, 0x01, 0x01, 0x00, 0xAE, 0x28, 0x7D, 0x63, 0xCA, 0x52, 0x02, |
| 0xEE, 0xF5, 0xB7, 0x4D, 0x13, 0xA6, 0x5E, 0x2A, 0xC4, 0x63, 0x68, 0x28, 0xD3, 0xE8, 0xEB, 0x4A, |
| 0xB5, 0x74, 0x65, 0x8F, 0xDC, 0xBB, 0x9A, 0x4E, 0x57, 0xD1, 0xC9, 0x5B, 0xBD, 0x59, 0xC2, 0x97, |
| 0x2B, 0xC3, 0x25, 0x55, 0xE5, 0x35, 0xED, 0x86, 0xF8, 0xFA, 0x24, 0x0A, 0xC8, 0x7C, 0xA5, 0x2D, |
| 0x11, 0x41, 0x66, 0x24, 0xD5, 0xE0, 0x5F, 0x50, 0x96, 0xF0, 0xEE, 0x7B, 0x05, 0xFF, 0x4B, 0xC4, |
| 0xB9, 0xD5, 0x16, 0xF8, 0x00, 0x81, 0xA5, 0xDA, 0xE1, 0xDD, 0x26, 0xEF, 0xDB, 0x29, 0x06, 0xCD, |
| 0x01, 0xDF, 0x20, 0x27, 0x80, 0xDD, 0xBA, 0x94, 0xC9, 0x0F, 0x7A, 0x68, 0x62, 0x6D, 0x3A, 0x40, |
| 0x12, 0x73, 0x73, 0x7D, 0xEE, 0x5F, 0x93, 0xDD, 0x02, 0x4D, 0x94, 0x94, 0x34, 0xE1, 0xA4, 0x67, |
| 0x3B, 0x11, 0xEE, 0x5F, 0xB2, 0x1F, 0x9D, 0xBF, 0xFD, 0x61, 0x4F, 0x03, 0x1F, 0x1F, 0x30, 0x74, |
| 0xBA, 0xED, 0x2D, 0xD4, 0x8A, 0xC2, 0x0E, 0xBA, 0x0D, 0x5F, 0x78, 0x08, 0x7A, 0xA8, 0x25, 0x0A, |
| 0xCB, 0xD0, 0x22, 0x85, 0x60, 0x5F, 0x00, 0xC3, 0xA0, 0x5D, 0xDF, 0xB8, 0x2F, 0x1D, 0xCB, 0xB1, |
| 0x9A, 0x4D, 0x89, 0x84, 0xDC, 0x98, 0xA2, 0x02, 0x19, 0xB1, 0xEC, 0xF1, 0x4F, 0x2E, 0xB4, 0x02, |
| 0xA1, 0x18, 0x63, 0x72, 0x0B, 0x37, 0x26, 0x28, 0x87, 0x7C, 0x7D, 0xA6, 0x0E, 0x58, 0x60, 0xCD, |
| 0x38, 0xD2, 0x11, 0xAE, 0x7E, 0x4D, 0x1B, 0x3E, 0x47, 0x9E, 0xA3, 0xED, 0x62, 0x4A, 0xF3, 0x40, |
| 0x30, 0xB2, 0x82, 0x2B, 0x9D, 0x28, 0x6E, 0x07, 0xE2, 0x42, 0x63, 0xF9, 0x05, 0xA7, 0xE2, 0xC6, |
| 0x92, 0x99, 0x3B, 0x4E, 0x97, 0x74, 0xE8, 0x7D, 0x9B, 0x3B, 0x3C, 0x73, 0xAC, 0x20, 0x71, 0x22, |
| 0xD1, 0x4E, 0x2B, 0x31, 0xAF, 0x11, 0xD5, 0xA9, 0xB9, 0x02, 0x03, 0x01, 0x00, 0x01, 0xA3, 0x2A, |
| 0x30, 0x28, 0x30, 0x0E, 0x06, 0x03, 0x55, 0x1D, 0x0F, 0x01, 0x01, 0xFF, 0x04, 0x04, 0x03, 0x02, |
| 0x05, 0xA0, 0x30, 0x16, 0x06, 0x03, 0x55, 0x1D, 0x25, 0x01, 0x01, 0xFF, 0x04, 0x0C, 0x30, 0x0A, |
| 0x06, 0x08, 0x2B, 0x06, 0x01, 0x05, 0x05, 0x07, 0x03, 0x02, 0x30, 0x0D, 0x06, 0x09, 0x2A, 0x86, |
| 0x48, 0x86, 0xF7, 0x0D, 0x01, 0x01, 0x0B, 0x05, 0x00, 0x03, 0x82, 0x01, 0x01, 0x00, 0x26, 0x06, |
| 0x49, 0x17, 0xA0, 0x9F, 0x77, 0x85, 0x1C, 0x85, 0x07, 0xCA, 0x99, 0x87, 0xF4, 0x81, 0xBA, 0xAE, |
| 0x23, 0x4C, 0x55, 0x3A, 0x08, 0x81, 0x8E, 0xD3, 0xC1, 0x46, 0x14, 0x1F, 0x43, 0x30, 0xAC, 0x0A, |
| 0x50, 0xC7, 0x30, 0x85, 0xB5, 0x78, 0x17, 0x78, 0xFD, 0x7C, 0x98, 0x8F, 0xF9, 0xE9, 0xE0, 0xD6, |
| 0x23, 0x85, 0xDB, 0xAC, 0x68, 0xCC, 0x7A, 0x9C, 0xBB, 0xBD, 0x0D, 0xFF, 0x04, 0x21, 0x66, 0xEB, |
| 0xFD, 0x25, 0x1D, 0x26, 0x44, 0x38, 0xF9, 0xEC, 0x96, 0x3E, 0x02, 0xF1, 0x9F, 0x59, 0x30, 0x00, |
| 0x35, 0x0C, 0x07, 0xEC, 0x40, 0x22, 0x35, 0x22, 0x51, 0x2B, 0x05, 0x0D, 0x9A, 0xBB, 0xD6, 0x5A, |
| 0x66, 0xB2, 0x78, 0x85, 0xB5, 0x86, 0x7E, 0x62, 0x98, 0xA9, 0xDB, 0xAA, 0x2A, 0x8E, 0x12, 0x6E, |
| 0xA2, 0xDA, 0x25, 0x3A, 0xDD, 0x0D, 0xC7, 0x45, 0xF7, 0x42, 0x16, 0xE6, 0x2F, 0x45, 0x61, 0x2B, |
| 0x5E, 0x7C, 0xAF, 0x27, 0x72, 0x96, 0x5B, 0xB0, 0x54, 0x84, 0xF4, 0x98, 0xAD, 0x80, 0xBF, 0xDB, |
| 0xE2, 0xAB, 0xAB, 0xB9, 0x8E, 0x5A, 0x94, 0x12, 0x54, 0xE5, 0x20, 0xB2, 0xDB, 0xCB, 0x7D, 0x17, |
| 0x2E, 0x18, 0x6B, 0xD6, 0x65, 0x17, 0x4E, 0x7C, 0x26, 0xE3, 0x08, 0x84, 0x36, 0x46, 0x12, 0xC6, |
| 0x64, 0xF8, 0xD6, 0xCE, 0xDB, 0x15, 0x26, 0x7A, 0xCE, 0x77, 0x83, 0x7C, 0xBC, 0x4F, 0x0E, 0x88, |
| 0xD2, 0xD0, 0x0C, 0xE4, 0x7F, 0xD4, 0x00, 0xFC, 0x6B, 0xA7, 0x63, 0xB4, 0x5E, 0xC8, 0x27, 0xD1, |
| 0x49, 0x7B, 0xE8, 0x9A, 0x0F, 0x29, 0x74, 0x12, 0xF0, 0xD7, 0x5E, 0x3A, 0xBB, 0x62, 0xCF, 0xC6, |
| 0xF3, 0x61, 0x22, 0x1F, 0xB6, 0x39, 0xB3, 0x31, 0xEA, 0xEB, 0x68, 0x6F, 0xEE, 0xAF, 0x9E, 0x8A, |
| 0xE7, 0x81, 0xD8, 0x52, 0x69, 0xC2, 0x92, 0x3B, 0x7C, 0x35, 0xDB, 0x44, 0xFA, 0xBB, |
| ] |
| let certData = Data(certBytes) |
| let cert = SecCertificateCreateWithData(nil, certData as NSData)! |
| let publicKey = SecCertificateCopyKey(cert)! |
| print(publicKey) |
| // prints: <SecKeyRef algorithm id: 1, key type: RSAPublicKey, version: 4, block size: 2048 bits, exponent: {hex: 10001, decimal: 65537}, modulus: AE287D63CA5202EEF5B74D13A65E2AC4636828D3E8EB4AB574658FDCBB9A4E57D1C95BBD59C2972BC32555E535ED86F8FA240AC87CA52D11416624D5E05F5096F0EE7B05FF4BC4B9D516F80081A5DAE1DD26EFDB2906CD01DF202780DDBA94C90F7A68626D3A401273737DEE5F93DD024D949434E1A4673B11EE5FB21F9DBFFD614F031F1F3074BAED2DD48AC20EBA0D5F78087AA8250ACBD02285605F00C3A05DDFB82F1DCBB19A4D8984DC98A20219B1ECF14F2EB402A11863720B372628877C7DA60E5860CD38D211AE7E4D1B3E479EA3ED624AF34030B2822B9D286E07E24263F905A7E2C692993B4E9774E87D9B3B3C73AC207122D14E2B31AF11D5A9B9, addr: 0x281ed2500> |
