CK_RV C_Digest(CK_SESSION_HANDLE hSession, /* the session's handle */
CK_BYTE_PTR pData, /* data to be digested */
CK_ULONG ulDataLen, /* bytes of data to be digested */
CK_BYTE_PTR pDigest, /* receives the message digest */
CK_ULONG_PTR pulDigestLen) /* receives byte length of digest */
{
int rv;
struct sc_pkcs11_session *session;
rv = sc_pkcs11_lock();
if (rv != CKR_OK)
return rv;
rv = pool_find(&session_pool, hSession, (void**) &session);
if (rv != CKR_OK)
goto out;
rv = sc_pkcs11_md_update(session, pData, ulDataLen);
if (rv == CKR_OK)
rv = sc_pkcs11_md_final(session, pDigest, pulDigestLen);
out: sc_debug(context, "C_Digest returns %d\n", rv);
sc_pkcs11_unlock();
return rv;
}
CK_RV
C_Digest(CK_SESSION_HANDLE hSession, /* the session's handle */
CK_BYTE_PTR pData, /* data to be digested */
CK_ULONG ulDataLen, /* bytes of data to be digested */
CK_BYTE_PTR pDigest, /* receives the message digest */
CK_ULONG_PTR pulDigestLen) /* receives byte length of digest */
{
CK_RV rv;
struct sc_pkcs11_session *session;
rv = sc_pkcs11_lock();
if (rv != CKR_OK)
return rv;
sc_log(context, "C_Digest(hSession=0x%lx)", hSession);
rv = get_session(hSession, &session);
if (rv != CKR_OK)
goto out;
rv = sc_pkcs11_md_update(session, pData, ulDataLen);
if (rv == CKR_OK)
rv = sc_pkcs11_md_final(session, pDigest, pulDigestLen);
out: sc_log(context, "C_Digest() = %s", lookup_enum ( RV_T, rv ));
sc_pkcs11_unlock();
return rv;
}
CK_RV C_DigestUpdate(CK_SESSION_HANDLE hSession, /* the session's handle */
CK_BYTE_PTR pPart, /* data to be digested */
CK_ULONG ulPartLen) /* bytes of data to be digested */
{
int rv;
struct sc_pkcs11_session *session;
rv = sc_pkcs11_lock();
if (rv != CKR_OK)
return rv;
rv = pool_find(&session_pool, hSession, (void**) &session);
if (rv == CKR_OK)
rv = sc_pkcs11_md_update(session, pPart, ulPartLen);
sc_debug(context, "C_DigestUpdate returns %d\n", rv);
sc_pkcs11_unlock();
return rv;
}
CK_RV
C_Digest(CK_SESSION_HANDLE hSession, /* the session's handle */
CK_BYTE_PTR pData, /* data to be digested */
CK_ULONG ulDataLen, /* bytes of data to be digested */
CK_BYTE_PTR pDigest, /* receives the message digest */
CK_ULONG_PTR pulDigestLen) /* receives byte length of digest */
{
CK_RV rv;
struct sc_pkcs11_session *session;
CK_ULONG ulBuflen = 0;
rv = sc_pkcs11_lock();
if (rv != CKR_OK)
return rv;
sc_log(context, "C_Digest(hSession=0x%lx)", hSession);
rv = get_session(hSession, &session);
if (rv != CKR_OK)
goto out;
/* if pDigest == NULL, buffer size request */
if (pDigest) {
/* As per PKCS#11 2.20 we need to check if buffer too small before update */
rv = sc_pkcs11_md_final(session, NULL, &ulBuflen);
if (rv != CKR_OK)
goto out;
if (ulBuflen > *pulDigestLen) {
*pulDigestLen = ulBuflen;
rv = CKR_BUFFER_TOO_SMALL;
goto out;
}
rv = sc_pkcs11_md_update(session, pData, ulDataLen);
}
if (rv == CKR_OK)
rv = sc_pkcs11_md_final(session, pDigest, pulDigestLen);
out:
sc_log(context, "C_Digest() = %s", lookup_enum ( RV_T, rv ));
sc_pkcs11_unlock();
return rv;
}
CK_RV
C_DigestUpdate(CK_SESSION_HANDLE hSession, /* the session's handle */
CK_BYTE_PTR pPart, /* data to be digested */
CK_ULONG ulPartLen) /* bytes of data to be digested */
{
CK_RV rv;
struct sc_pkcs11_session *session;
rv = sc_pkcs11_lock();
if (rv != CKR_OK)
return rv;
rv = get_session(hSession, &session);
if (rv == CKR_OK)
rv = sc_pkcs11_md_update(session, pPart, ulPartLen);
sc_log(context, "C_DigestUpdate() == %s", lookup_enum ( RV_T, rv ));
sc_pkcs11_unlock();
return rv;
}
