[uboot] create uboot from github:
repo: https://github.com/u-boot/u-boot commit: d80bb749fab53da72c4a0e09b8c2d2aaa3103c91 Change-Id: Ie6434426e1ec15bc08bb1832798e371f3fd5fb29
This commit is contained in:
sam.xiang
699
u-boot-2021.10/lib/crypto/pkcs7_parser.c
Normal file
699
u-boot-2021.10/lib/crypto/pkcs7_parser.c
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@ -0,0 +1,699 @@
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// SPDX-License-Identifier: GPL-2.0-or-later
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/* PKCS#7 parser
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*
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* Copyright (C) 2012 Red Hat, Inc. All Rights Reserved.
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* Written by David Howells (dhowells@redhat.com)
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*/
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#define pr_fmt(fmt) "PKCS7: "fmt
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#ifdef __UBOOT__
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#include <log.h>
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#include <dm/devres.h>
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#include <linux/bitops.h>
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#include <linux/compat.h>
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#endif
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#include <linux/kernel.h>
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#ifndef __UBOOT__
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#include <linux/module.h>
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#include <linux/export.h>
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#include <linux/slab.h>
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#endif
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#include <linux/err.h>
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#include <linux/oid_registry.h>
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#include <crypto/public_key.h>
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#ifdef __UBOOT__
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#include <crypto/pkcs7_parser.h>
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#else
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#include "pkcs7_parser.h"
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#endif
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#include "pkcs7.asn1.h"
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MODULE_DESCRIPTION("PKCS#7 parser");
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MODULE_AUTHOR("Red Hat, Inc.");
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MODULE_LICENSE("GPL");
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struct pkcs7_parse_context {
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struct pkcs7_message *msg; /* Message being constructed */
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struct pkcs7_signed_info *sinfo; /* SignedInfo being constructed */
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struct pkcs7_signed_info **ppsinfo;
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struct x509_certificate *certs; /* Certificate cache */
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struct x509_certificate **ppcerts;
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unsigned long data; /* Start of data */
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enum OID last_oid; /* Last OID encountered */
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unsigned x509_index;
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unsigned sinfo_index;
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const void *raw_serial;
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unsigned raw_serial_size;
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unsigned raw_issuer_size;
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const void *raw_issuer;
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const void *raw_skid;
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unsigned raw_skid_size;
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bool expect_skid;
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};
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/*
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* Free a signed information block.
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*/
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static void pkcs7_free_signed_info(struct pkcs7_signed_info *sinfo)
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{
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if (sinfo) {
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public_key_signature_free(sinfo->sig);
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kfree(sinfo);
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}
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}
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/**
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* pkcs7_free_message - Free a PKCS#7 message
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* @pkcs7: The PKCS#7 message to free
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*/
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void pkcs7_free_message(struct pkcs7_message *pkcs7)
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{
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struct x509_certificate *cert;
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struct pkcs7_signed_info *sinfo;
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if (pkcs7) {
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while (pkcs7->certs) {
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cert = pkcs7->certs;
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pkcs7->certs = cert->next;
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x509_free_certificate(cert);
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}
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while (pkcs7->crl) {
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cert = pkcs7->crl;
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pkcs7->crl = cert->next;
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x509_free_certificate(cert);
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}
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while (pkcs7->signed_infos) {
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sinfo = pkcs7->signed_infos;
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pkcs7->signed_infos = sinfo->next;
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pkcs7_free_signed_info(sinfo);
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}
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kfree(pkcs7);
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}
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}
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EXPORT_SYMBOL_GPL(pkcs7_free_message);
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/*
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* Check authenticatedAttributes are provided or not provided consistently.
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*/
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static int pkcs7_check_authattrs(struct pkcs7_message *msg)
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{
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struct pkcs7_signed_info *sinfo;
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bool want = false;
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sinfo = msg->signed_infos;
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if (!sinfo)
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goto inconsistent;
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if (sinfo->authattrs) {
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want = true;
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msg->have_authattrs = true;
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}
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for (sinfo = sinfo->next; sinfo; sinfo = sinfo->next)
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if (!!sinfo->authattrs != want)
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goto inconsistent;
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return 0;
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inconsistent:
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pr_warn("Inconsistently supplied authAttrs\n");
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return -EINVAL;
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}
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/**
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* pkcs7_parse_message - Parse a PKCS#7 message
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* @data: The raw binary ASN.1 encoded message to be parsed
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* @datalen: The size of the encoded message
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*/
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struct pkcs7_message *pkcs7_parse_message(const void *data, size_t datalen)
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{
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struct pkcs7_parse_context *ctx;
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struct pkcs7_message *msg = ERR_PTR(-ENOMEM);
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int ret;
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ctx = kzalloc(sizeof(struct pkcs7_parse_context), GFP_KERNEL);
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if (!ctx)
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goto out_no_ctx;
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ctx->msg = kzalloc(sizeof(struct pkcs7_message), GFP_KERNEL);
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if (!ctx->msg)
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goto out_no_msg;
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ctx->sinfo = kzalloc(sizeof(struct pkcs7_signed_info), GFP_KERNEL);
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if (!ctx->sinfo)
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goto out_no_sinfo;
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ctx->sinfo->sig = kzalloc(sizeof(struct public_key_signature),
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GFP_KERNEL);
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if (!ctx->sinfo->sig)
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goto out_no_sig;
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ctx->data = (unsigned long)data;
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ctx->ppcerts = &ctx->certs;
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ctx->ppsinfo = &ctx->msg->signed_infos;
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/* Attempt to decode the signature */
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ret = asn1_ber_decoder(&pkcs7_decoder, ctx, data, datalen);
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if (ret < 0) {
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msg = ERR_PTR(ret);
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goto out;
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}
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ret = pkcs7_check_authattrs(ctx->msg);
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if (ret < 0) {
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msg = ERR_PTR(ret);
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goto out;
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}
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msg = ctx->msg;
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ctx->msg = NULL;
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out:
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while (ctx->certs) {
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struct x509_certificate *cert = ctx->certs;
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ctx->certs = cert->next;
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x509_free_certificate(cert);
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}
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out_no_sig:
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pkcs7_free_signed_info(ctx->sinfo);
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out_no_sinfo:
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pkcs7_free_message(ctx->msg);
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out_no_msg:
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kfree(ctx);
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out_no_ctx:
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return msg;
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}
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EXPORT_SYMBOL_GPL(pkcs7_parse_message);
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/**
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* pkcs7_get_content_data - Get access to the PKCS#7 content
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* @pkcs7: The preparsed PKCS#7 message to access
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* @_data: Place to return a pointer to the data
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* @_data_len: Place to return the data length
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* @_headerlen: Size of ASN.1 header not included in _data
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*
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* Get access to the data content of the PKCS#7 message. The size of the
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* header of the ASN.1 object that contains it is also provided and can be used
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* to adjust *_data and *_data_len to get the entire object.
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*
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* Returns -ENODATA if the data object was missing from the message.
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*/
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int pkcs7_get_content_data(const struct pkcs7_message *pkcs7,
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const void **_data, size_t *_data_len,
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size_t *_headerlen)
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{
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if (!pkcs7->data)
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return -ENODATA;
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*_data = pkcs7->data;
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*_data_len = pkcs7->data_len;
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if (_headerlen)
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*_headerlen = pkcs7->data_hdrlen;
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return 0;
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}
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EXPORT_SYMBOL_GPL(pkcs7_get_content_data);
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/*
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* Note an OID when we find one for later processing when we know how
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* to interpret it.
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*/
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int pkcs7_note_OID(void *context, size_t hdrlen,
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unsigned char tag,
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const void *value, size_t vlen)
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{
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struct pkcs7_parse_context *ctx = context;
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ctx->last_oid = look_up_OID(value, vlen);
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if (ctx->last_oid == OID__NR) {
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char buffer[50];
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sprint_oid(value, vlen, buffer, sizeof(buffer));
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printk("PKCS7: Unknown OID: [%lu] %s\n",
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(unsigned long)value - ctx->data, buffer);
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}
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return 0;
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}
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/*
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* Note the digest algorithm for the signature.
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*/
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int pkcs7_sig_note_digest_algo(void *context, size_t hdrlen,
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unsigned char tag,
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const void *value, size_t vlen)
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{
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struct pkcs7_parse_context *ctx = context;
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switch (ctx->last_oid) {
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case OID_md4:
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ctx->sinfo->sig->hash_algo = "md4";
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break;
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case OID_md5:
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ctx->sinfo->sig->hash_algo = "md5";
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break;
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case OID_sha1:
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ctx->sinfo->sig->hash_algo = "sha1";
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break;
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case OID_sha256:
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ctx->sinfo->sig->hash_algo = "sha256";
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break;
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case OID_sha384:
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ctx->sinfo->sig->hash_algo = "sha384";
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break;
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case OID_sha512:
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ctx->sinfo->sig->hash_algo = "sha512";
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break;
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case OID_sha224:
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||||
ctx->sinfo->sig->hash_algo = "sha224";
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break;
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||||
default:
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||||
printk("Unsupported digest algo: %u\n", ctx->last_oid);
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return -ENOPKG;
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}
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return 0;
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}
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/*
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* Note the public key algorithm for the signature.
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*/
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int pkcs7_sig_note_pkey_algo(void *context, size_t hdrlen,
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unsigned char tag,
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const void *value, size_t vlen)
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||||
{
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||||
struct pkcs7_parse_context *ctx = context;
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|
||||
switch (ctx->last_oid) {
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||||
case OID_rsaEncryption:
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||||
ctx->sinfo->sig->pkey_algo = "rsa";
|
||||
ctx->sinfo->sig->encoding = "pkcs1";
|
||||
break;
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||||
default:
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||||
printk("Unsupported pkey algo: %u\n", ctx->last_oid);
|
||||
return -ENOPKG;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
/*
|
||||
* We only support signed data [RFC2315 sec 9].
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||||
*/
|
||||
int pkcs7_check_content_type(void *context, size_t hdrlen,
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||||
unsigned char tag,
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||||
const void *value, size_t vlen)
|
||||
{
|
||||
struct pkcs7_parse_context *ctx = context;
|
||||
|
||||
if (ctx->last_oid != OID_signed_data) {
|
||||
pr_warn("Only support pkcs7_signedData type\n");
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/*
|
||||
* Note the SignedData version
|
||||
*/
|
||||
int pkcs7_note_signeddata_version(void *context, size_t hdrlen,
|
||||
unsigned char tag,
|
||||
const void *value, size_t vlen)
|
||||
{
|
||||
struct pkcs7_parse_context *ctx = context;
|
||||
unsigned version;
|
||||
|
||||
if (vlen != 1)
|
||||
goto unsupported;
|
||||
|
||||
ctx->msg->version = version = *(const u8 *)value;
|
||||
switch (version) {
|
||||
case 1:
|
||||
/* PKCS#7 SignedData [RFC2315 sec 9.1]
|
||||
* CMS ver 1 SignedData [RFC5652 sec 5.1]
|
||||
*/
|
||||
break;
|
||||
case 3:
|
||||
/* CMS ver 3 SignedData [RFC2315 sec 5.1] */
|
||||
break;
|
||||
default:
|
||||
goto unsupported;
|
||||
}
|
||||
|
||||
return 0;
|
||||
|
||||
unsupported:
|
||||
pr_warn("Unsupported SignedData version\n");
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
/*
|
||||
* Note the SignerInfo version
|
||||
*/
|
||||
int pkcs7_note_signerinfo_version(void *context, size_t hdrlen,
|
||||
unsigned char tag,
|
||||
const void *value, size_t vlen)
|
||||
{
|
||||
struct pkcs7_parse_context *ctx = context;
|
||||
unsigned version;
|
||||
|
||||
if (vlen != 1)
|
||||
goto unsupported;
|
||||
|
||||
version = *(const u8 *)value;
|
||||
switch (version) {
|
||||
case 1:
|
||||
/* PKCS#7 SignerInfo [RFC2315 sec 9.2]
|
||||
* CMS ver 1 SignerInfo [RFC5652 sec 5.3]
|
||||
*/
|
||||
if (ctx->msg->version != 1)
|
||||
goto version_mismatch;
|
||||
ctx->expect_skid = false;
|
||||
break;
|
||||
case 3:
|
||||
/* CMS ver 3 SignerInfo [RFC2315 sec 5.3] */
|
||||
if (ctx->msg->version == 1)
|
||||
goto version_mismatch;
|
||||
ctx->expect_skid = true;
|
||||
break;
|
||||
default:
|
||||
goto unsupported;
|
||||
}
|
||||
|
||||
return 0;
|
||||
|
||||
unsupported:
|
||||
pr_warn("Unsupported SignerInfo version\n");
|
||||
return -EINVAL;
|
||||
version_mismatch:
|
||||
pr_warn("SignedData-SignerInfo version mismatch\n");
|
||||
return -EBADMSG;
|
||||
}
|
||||
|
||||
/*
|
||||
* Extract a certificate and store it in the context.
|
||||
*/
|
||||
int pkcs7_extract_cert(void *context, size_t hdrlen,
|
||||
unsigned char tag,
|
||||
const void *value, size_t vlen)
|
||||
{
|
||||
struct pkcs7_parse_context *ctx = context;
|
||||
struct x509_certificate *x509;
|
||||
|
||||
if (tag != ((ASN1_UNIV << 6) | ASN1_CONS_BIT | ASN1_SEQ)) {
|
||||
pr_debug("Cert began with tag %02x at %lu\n",
|
||||
tag, (unsigned long)ctx - ctx->data);
|
||||
return -EBADMSG;
|
||||
}
|
||||
|
||||
/* We have to correct for the header so that the X.509 parser can start
|
||||
* from the beginning. Note that since X.509 stipulates DER, there
|
||||
* probably shouldn't be an EOC trailer - but it is in PKCS#7 (which
|
||||
* stipulates BER).
|
||||
*/
|
||||
value -= hdrlen;
|
||||
vlen += hdrlen;
|
||||
|
||||
if (((u8*)value)[1] == 0x80)
|
||||
vlen += 2; /* Indefinite length - there should be an EOC */
|
||||
|
||||
x509 = x509_cert_parse(value, vlen);
|
||||
if (IS_ERR(x509))
|
||||
return PTR_ERR(x509);
|
||||
|
||||
x509->index = ++ctx->x509_index;
|
||||
pr_debug("Got cert %u for %s\n", x509->index, x509->subject);
|
||||
pr_debug("- fingerprint %*phN\n", x509->id->len, x509->id->data);
|
||||
|
||||
*ctx->ppcerts = x509;
|
||||
ctx->ppcerts = &x509->next;
|
||||
return 0;
|
||||
}
|
||||
|
||||
/*
|
||||
* Save the certificate list
|
||||
*/
|
||||
int pkcs7_note_certificate_list(void *context, size_t hdrlen,
|
||||
unsigned char tag,
|
||||
const void *value, size_t vlen)
|
||||
{
|
||||
struct pkcs7_parse_context *ctx = context;
|
||||
|
||||
pr_devel("Got cert list (%02x)\n", tag);
|
||||
|
||||
*ctx->ppcerts = ctx->msg->certs;
|
||||
ctx->msg->certs = ctx->certs;
|
||||
ctx->certs = NULL;
|
||||
ctx->ppcerts = &ctx->certs;
|
||||
return 0;
|
||||
}
|
||||
|
||||
/*
|
||||
* Note the content type.
|
||||
*/
|
||||
int pkcs7_note_content(void *context, size_t hdrlen,
|
||||
unsigned char tag,
|
||||
const void *value, size_t vlen)
|
||||
{
|
||||
struct pkcs7_parse_context *ctx = context;
|
||||
|
||||
if (ctx->last_oid != OID_data &&
|
||||
ctx->last_oid != OID_msIndirectData) {
|
||||
pr_warn("Unsupported data type %d\n", ctx->last_oid);
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
ctx->msg->data_type = ctx->last_oid;
|
||||
return 0;
|
||||
}
|
||||
|
||||
/*
|
||||
* Extract the data from the message and store that and its content type OID in
|
||||
* the context.
|
||||
*/
|
||||
int pkcs7_note_data(void *context, size_t hdrlen,
|
||||
unsigned char tag,
|
||||
const void *value, size_t vlen)
|
||||
{
|
||||
struct pkcs7_parse_context *ctx = context;
|
||||
|
||||
pr_debug("Got data\n");
|
||||
|
||||
ctx->msg->data = value;
|
||||
ctx->msg->data_len = vlen;
|
||||
ctx->msg->data_hdrlen = hdrlen;
|
||||
return 0;
|
||||
}
|
||||
|
||||
/*
|
||||
* Parse authenticated attributes.
|
||||
*/
|
||||
int pkcs7_sig_note_authenticated_attr(void *context, size_t hdrlen,
|
||||
unsigned char tag,
|
||||
const void *value, size_t vlen)
|
||||
{
|
||||
struct pkcs7_parse_context *ctx = context;
|
||||
struct pkcs7_signed_info *sinfo = ctx->sinfo;
|
||||
enum OID content_type;
|
||||
|
||||
pr_devel("AuthAttr: %02x %zu [%*ph]\n", tag, vlen, (unsigned)vlen, value);
|
||||
|
||||
switch (ctx->last_oid) {
|
||||
case OID_contentType:
|
||||
if (__test_and_set_bit(sinfo_has_content_type, &sinfo->aa_set))
|
||||
goto repeated;
|
||||
content_type = look_up_OID(value, vlen);
|
||||
if (content_type != ctx->msg->data_type) {
|
||||
pr_warn("Mismatch between global data type (%d) and sinfo %u (%d)\n",
|
||||
ctx->msg->data_type, sinfo->index,
|
||||
content_type);
|
||||
return -EBADMSG;
|
||||
}
|
||||
return 0;
|
||||
|
||||
case OID_signingTime:
|
||||
if (__test_and_set_bit(sinfo_has_signing_time, &sinfo->aa_set))
|
||||
goto repeated;
|
||||
/* Should we check that the signing time is consistent
|
||||
* with the signer's X.509 cert?
|
||||
*/
|
||||
return x509_decode_time(&sinfo->signing_time,
|
||||
hdrlen, tag, value, vlen);
|
||||
|
||||
case OID_messageDigest:
|
||||
if (__test_and_set_bit(sinfo_has_message_digest, &sinfo->aa_set))
|
||||
goto repeated;
|
||||
if (tag != ASN1_OTS)
|
||||
return -EBADMSG;
|
||||
sinfo->msgdigest = value;
|
||||
sinfo->msgdigest_len = vlen;
|
||||
return 0;
|
||||
|
||||
case OID_smimeCapabilites:
|
||||
if (__test_and_set_bit(sinfo_has_smime_caps, &sinfo->aa_set))
|
||||
goto repeated;
|
||||
#ifdef __UBOOT__ /* OID_data is needed for authenticated UEFI variables */
|
||||
if (ctx->msg->data_type != OID_msIndirectData &&
|
||||
ctx->msg->data_type != OID_data) {
|
||||
#else
|
||||
if (ctx->msg->data_type != OID_msIndirectData) {
|
||||
#endif
|
||||
pr_warn("S/MIME Caps only allowed with Authenticode\n");
|
||||
return -EKEYREJECTED;
|
||||
}
|
||||
return 0;
|
||||
|
||||
/* Microsoft SpOpusInfo seems to be contain cont[0] 16-bit BE
|
||||
* char URLs and cont[1] 8-bit char URLs.
|
||||
*
|
||||
* Microsoft StatementType seems to contain a list of OIDs that
|
||||
* are also used as extendedKeyUsage types in X.509 certs.
|
||||
*/
|
||||
case OID_msSpOpusInfo:
|
||||
if (__test_and_set_bit(sinfo_has_ms_opus_info, &sinfo->aa_set))
|
||||
goto repeated;
|
||||
goto authenticode_check;
|
||||
case OID_msStatementType:
|
||||
if (__test_and_set_bit(sinfo_has_ms_statement_type, &sinfo->aa_set))
|
||||
goto repeated;
|
||||
authenticode_check:
|
||||
if (ctx->msg->data_type != OID_msIndirectData) {
|
||||
pr_warn("Authenticode AuthAttrs only allowed with Authenticode\n");
|
||||
return -EKEYREJECTED;
|
||||
}
|
||||
/* I'm not sure how to validate these */
|
||||
return 0;
|
||||
default:
|
||||
return 0;
|
||||
}
|
||||
|
||||
repeated:
|
||||
/* We permit max one item per AuthenticatedAttribute and no repeats */
|
||||
pr_warn("Repeated/multivalue AuthAttrs not permitted\n");
|
||||
return -EKEYREJECTED;
|
||||
}
|
||||
|
||||
/*
|
||||
* Note the set of auth attributes for digestion purposes [RFC2315 sec 9.3]
|
||||
*/
|
||||
int pkcs7_sig_note_set_of_authattrs(void *context, size_t hdrlen,
|
||||
unsigned char tag,
|
||||
const void *value, size_t vlen)
|
||||
{
|
||||
struct pkcs7_parse_context *ctx = context;
|
||||
struct pkcs7_signed_info *sinfo = ctx->sinfo;
|
||||
|
||||
if (!test_bit(sinfo_has_content_type, &sinfo->aa_set) ||
|
||||
!test_bit(sinfo_has_message_digest, &sinfo->aa_set)) {
|
||||
pr_warn("Missing required AuthAttr\n");
|
||||
return -EBADMSG;
|
||||
}
|
||||
|
||||
if (ctx->msg->data_type != OID_msIndirectData &&
|
||||
test_bit(sinfo_has_ms_opus_info, &sinfo->aa_set)) {
|
||||
pr_warn("Unexpected Authenticode AuthAttr\n");
|
||||
return -EBADMSG;
|
||||
}
|
||||
|
||||
/* We need to switch the 'CONT 0' to a 'SET OF' when we digest */
|
||||
sinfo->authattrs = value - (hdrlen - 1);
|
||||
sinfo->authattrs_len = vlen + (hdrlen - 1);
|
||||
return 0;
|
||||
}
|
||||
|
||||
/*
|
||||
* Note the issuing certificate serial number
|
||||
*/
|
||||
int pkcs7_sig_note_serial(void *context, size_t hdrlen,
|
||||
unsigned char tag,
|
||||
const void *value, size_t vlen)
|
||||
{
|
||||
struct pkcs7_parse_context *ctx = context;
|
||||
ctx->raw_serial = value;
|
||||
ctx->raw_serial_size = vlen;
|
||||
return 0;
|
||||
}
|
||||
|
||||
/*
|
||||
* Note the issuer's name
|
||||
*/
|
||||
int pkcs7_sig_note_issuer(void *context, size_t hdrlen,
|
||||
unsigned char tag,
|
||||
const void *value, size_t vlen)
|
||||
{
|
||||
struct pkcs7_parse_context *ctx = context;
|
||||
ctx->raw_issuer = value;
|
||||
ctx->raw_issuer_size = vlen;
|
||||
return 0;
|
||||
}
|
||||
|
||||
/*
|
||||
* Note the issuing cert's subjectKeyIdentifier
|
||||
*/
|
||||
int pkcs7_sig_note_skid(void *context, size_t hdrlen,
|
||||
unsigned char tag,
|
||||
const void *value, size_t vlen)
|
||||
{
|
||||
struct pkcs7_parse_context *ctx = context;
|
||||
|
||||
pr_devel("SKID: %02x %zu [%*ph]\n", tag, vlen, (unsigned)vlen, value);
|
||||
|
||||
ctx->raw_skid = value;
|
||||
ctx->raw_skid_size = vlen;
|
||||
return 0;
|
||||
}
|
||||
|
||||
/*
|
||||
* Note the signature data
|
||||
*/
|
||||
int pkcs7_sig_note_signature(void *context, size_t hdrlen,
|
||||
unsigned char tag,
|
||||
const void *value, size_t vlen)
|
||||
{
|
||||
struct pkcs7_parse_context *ctx = context;
|
||||
|
||||
ctx->sinfo->sig->s = kmemdup(value, vlen, GFP_KERNEL);
|
||||
if (!ctx->sinfo->sig->s)
|
||||
return -ENOMEM;
|
||||
|
||||
ctx->sinfo->sig->s_size = vlen;
|
||||
return 0;
|
||||
}
|
||||
|
||||
/*
|
||||
* Note a signature information block
|
||||
*/
|
||||
int pkcs7_note_signed_info(void *context, size_t hdrlen,
|
||||
unsigned char tag,
|
||||
const void *value, size_t vlen)
|
||||
{
|
||||
struct pkcs7_parse_context *ctx = context;
|
||||
struct pkcs7_signed_info *sinfo = ctx->sinfo;
|
||||
struct asymmetric_key_id *kid;
|
||||
|
||||
if (ctx->msg->data_type == OID_msIndirectData && !sinfo->authattrs) {
|
||||
pr_warn("Authenticode requires AuthAttrs\n");
|
||||
return -EBADMSG;
|
||||
}
|
||||
|
||||
/* Generate cert issuer + serial number key ID */
|
||||
if (!ctx->expect_skid) {
|
||||
kid = asymmetric_key_generate_id(ctx->raw_serial,
|
||||
ctx->raw_serial_size,
|
||||
ctx->raw_issuer,
|
||||
ctx->raw_issuer_size);
|
||||
} else {
|
||||
kid = asymmetric_key_generate_id(ctx->raw_skid,
|
||||
ctx->raw_skid_size,
|
||||
"", 0);
|
||||
}
|
||||
if (IS_ERR(kid))
|
||||
return PTR_ERR(kid);
|
||||
|
||||
pr_devel("SINFO KID: %u [%*phN]\n", kid->len, kid->len, kid->data);
|
||||
|
||||
sinfo->sig->auth_ids[0] = kid;
|
||||
sinfo->index = ++ctx->sinfo_index;
|
||||
*ctx->ppsinfo = sinfo;
|
||||
ctx->ppsinfo = &sinfo->next;
|
||||
ctx->sinfo = kzalloc(sizeof(struct pkcs7_signed_info), GFP_KERNEL);
|
||||
if (!ctx->sinfo)
|
||||
return -ENOMEM;
|
||||
ctx->sinfo->sig = kzalloc(sizeof(struct public_key_signature),
|
||||
GFP_KERNEL);
|
||||
if (!ctx->sinfo->sig)
|
||||
return -ENOMEM;
|
||||
return 0;
|
||||
}
|
||||
Reference in New Issue
Block a user