CryptDecodeObjectEx Bad Tag ERROR (0x8009310b)
I have a .cer file. I can read it and write a buffer through the ReadFile () function. Now I have the buffer and datalen that I had.
And I use this buffer and len to call CryptDecodeObjectEx () function like below line
if ( !CryptDecodeObjectEx( X509_ASN_ENCODING, X509_PUBLIC_KEY_INFO, (BYTE* )pemPubKey, readLen, CRYPT_DECODE_ALLOC_FLAG, NULL, &publicKeyInfo, (DWORD *)&publicKeyInfoLen ) )
But when I run it via debug I get error code 0x8009310B using GetLastError () function.
How can I fix this? Thank you for your advice.
- If I use X509_ANY_STRING instead of X509_PUBLIC_KEY_INFO; it works. But it doesn't populate my publicKeyInfo structure. Because of this, I cannot get the public key in it.
- I have a DER formatted certificate.
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