On Mon, Jul 26, 2010 at 6:07 AM, Hanno Böck <ha...@hboeck.de> wrote:
>
> The code looks like this:
>
>
> SEC_ASN1_MKSUB(SECOID_AlgorithmIDTemplate)
>
> const SEC_ASN1Template MY_RSAPSSParamsTemplate[] =
> {
> { SEC_ASN1_SEQUENCE, 0, NULL, sizeof(SECKEYRSAPSSParams) },
> { SEC_ASN1_OPTIONAL | SEC_ASN1_CONSTRUCTED | SEC_ASN1_EXPLICIT |
> SEC_ASN1_XTRN | SEC_ASN1_POINTER | SEC_ASN1_CONTEXT_SPECIFIC | 0,
> offsetof(SECKEYRSAPSSParams, hashAlg),
> SEC_ASN1_SUB(SECOID_AlgorithmIDTemplate) },
> { 0 }
> };
>
> SECStatus
> PSSU_EncodeDER(SECItem *dest, CK_RSA_PKCS_PSS_PARAMS *in)
> {
> SECKEYRSAPSSParams *pss_params;
> PRArenaPool *arena;
> SECItem *ret;
> unsigned int i;
>
> arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
> pss_params = PORT_ZAlloc(sizeof(pss_params));
> pss_params->hashAlg = PORT_ZAlloc(sizeof(SECAlgorithmID));
>
> SECOID_SetAlgorithmID(arena, pss_params->hashAlg, SEC_OID_SHA256, NULL);
>
> ret = SEC_ASN1EncodeItem(arena, NULL, pss_params,
> MY_RSAPSSParamsTemplate);
>
> PORT_FreeArena(arena, PR_FALSE);
> return SECSuccess;
> }
I checked your code again and still didn't see anything wrong.
So you need to find out in a debugger why, when the assertion
at secasn1u.c:93 fails, theTemplate->sub is NULL. In
particular, which element in the MY_RSAPSSParamsTemplate
array is theTemplate pointing to, and why is theTemplate->sub
not SEC_ASN1_SUB(SECOID_AlgorithmIDTemplate).
Wan-Teh
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