Hi,
I'm reading this code:
NSSLOWKEYSubjectPublicKeyInfo spki;
NSSLOWKEYPublicKey pubk;
SECItem *publicKeyInfo;
if (SEC_ASN1EncodeItem(arena, &spki.subjectPublicKey,
&pubk, nsslowkey_RSAPublicKeyTemplate) == NULL) {
crv = CKR_HOST_MEMORY;
goto loser;
}
publicKeyInfo = SEC_ASN1EncodeItem(arena, NULL,
&spki,
nsslowkey_SubjectPublicKeyInfoTemplate);
if (!publicKeyInfo) {
crv = CKR_HOST_MEMORY;
goto loser;
}
in nss/lib/softoken/pkcs11c.c:sftk_unwrapPrivateKey()
In my version of this code I'm finding that I need to convert the
returned subjectPublicKey's length to bits, something like:
spki.subjectPublicKey *= 8;
before making the second SEC_ASN1EncodeItem() call. I believe this is
because that field is encoded using:
{ SEC_ASN1_BIT_STRING,
offsetof(NSSLOWKEYSubjectPublicKeyInfo, subjectPublicKey) },
and SEC_ASN1_BIT_STRING expects the SECItem.len to be in bits not bytes.
could the above have the same problem?
Andrew
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