zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/lib/libssl/openssl-1.1.1o/crypto/cms/cms_smime.c b/ap/lib/libssl/openssl-1.1.1o/crypto/cms/cms_smime.c
new file mode 100644
index 0000000..6e7dbc4
--- /dev/null
+++ b/ap/lib/libssl/openssl-1.1.1o/crypto/cms/cms_smime.c
@@ -0,0 +1,847 @@
+/*
+ * Copyright 2008-2020 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the OpenSSL license (the "License"). You may not use
+ * this file except in compliance with the License. You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
+ */
+
+#include "internal/cryptlib.h"
+#include <openssl/asn1t.h>
+#include <openssl/x509.h>
+#include <openssl/x509v3.h>
+#include <openssl/err.h>
+#include <openssl/cms.h>
+#include "cms_local.h"
+#include "crypto/asn1.h"
+
+static BIO *cms_get_text_bio(BIO *out, unsigned int flags)
+{
+ BIO *rbio;
+ if (out == NULL)
+ rbio = BIO_new(BIO_s_null());
+ else if (flags & CMS_TEXT) {
+ rbio = BIO_new(BIO_s_mem());
+ BIO_set_mem_eof_return(rbio, 0);
+ } else
+ rbio = out;
+ return rbio;
+}
+
+static int cms_copy_content(BIO *out, BIO *in, unsigned int flags)
+{
+ unsigned char buf[4096];
+ int r = 0, i;
+ BIO *tmpout;
+
+ tmpout = cms_get_text_bio(out, flags);
+
+ if (tmpout == NULL) {
+ CMSerr(CMS_F_CMS_COPY_CONTENT, ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
+
+ /* Read all content through chain to process digest, decrypt etc */
+ for (;;) {
+ i = BIO_read(in, buf, sizeof(buf));
+ if (i <= 0) {
+ if (BIO_method_type(in) == BIO_TYPE_CIPHER) {
+ if (!BIO_get_cipher_status(in))
+ goto err;
+ }
+ if (i < 0)
+ goto err;
+ break;
+ }
+
+ if (tmpout && (BIO_write(tmpout, buf, i) != i))
+ goto err;
+ }
+
+ if (flags & CMS_TEXT) {
+ if (!SMIME_text(tmpout, out)) {
+ CMSerr(CMS_F_CMS_COPY_CONTENT, CMS_R_SMIME_TEXT_ERROR);
+ goto err;
+ }
+ }
+
+ r = 1;
+
+ err:
+ if (tmpout != out)
+ BIO_free(tmpout);
+ return r;
+
+}
+
+static int check_content(CMS_ContentInfo *cms)
+{
+ ASN1_OCTET_STRING **pos = CMS_get0_content(cms);
+ if (!pos || !*pos) {
+ CMSerr(CMS_F_CHECK_CONTENT, CMS_R_NO_CONTENT);
+ return 0;
+ }
+ return 1;
+}
+
+static void do_free_upto(BIO *f, BIO *upto)
+{
+ if (upto) {
+ BIO *tbio;
+ do {
+ tbio = BIO_pop(f);
+ BIO_free(f);
+ f = tbio;
+ }
+ while (f && f != upto);
+ } else
+ BIO_free_all(f);
+}
+
+int CMS_data(CMS_ContentInfo *cms, BIO *out, unsigned int flags)
+{
+ BIO *cont;
+ int r;
+ if (OBJ_obj2nid(CMS_get0_type(cms)) != NID_pkcs7_data) {
+ CMSerr(CMS_F_CMS_DATA, CMS_R_TYPE_NOT_DATA);
+ return 0;
+ }
+ cont = CMS_dataInit(cms, NULL);
+ if (!cont)
+ return 0;
+ r = cms_copy_content(out, cont, flags);
+ BIO_free_all(cont);
+ return r;
+}
+
+CMS_ContentInfo *CMS_data_create(BIO *in, unsigned int flags)
+{
+ CMS_ContentInfo *cms;
+ cms = cms_Data_create();
+ if (!cms)
+ return NULL;
+
+ if ((flags & CMS_STREAM) || CMS_final(cms, in, NULL, flags))
+ return cms;
+
+ CMS_ContentInfo_free(cms);
+
+ return NULL;
+}
+
+int CMS_digest_verify(CMS_ContentInfo *cms, BIO *dcont, BIO *out,
+ unsigned int flags)
+{
+ BIO *cont;
+ int r;
+ if (OBJ_obj2nid(CMS_get0_type(cms)) != NID_pkcs7_digest) {
+ CMSerr(CMS_F_CMS_DIGEST_VERIFY, CMS_R_TYPE_NOT_DIGESTED_DATA);
+ return 0;
+ }
+
+ if (!dcont && !check_content(cms))
+ return 0;
+
+ cont = CMS_dataInit(cms, dcont);
+ if (!cont)
+ return 0;
+ r = cms_copy_content(out, cont, flags);
+ if (r)
+ r = cms_DigestedData_do_final(cms, cont, 1);
+ do_free_upto(cont, dcont);
+ return r;
+}
+
+CMS_ContentInfo *CMS_digest_create(BIO *in, const EVP_MD *md,
+ unsigned int flags)
+{
+ CMS_ContentInfo *cms;
+ if (!md)
+ md = EVP_sha1();
+ cms = cms_DigestedData_create(md);
+ if (!cms)
+ return NULL;
+
+ if (!(flags & CMS_DETACHED))
+ CMS_set_detached(cms, 0);
+
+ if ((flags & CMS_STREAM) || CMS_final(cms, in, NULL, flags))
+ return cms;
+
+ CMS_ContentInfo_free(cms);
+ return NULL;
+}
+
+int CMS_EncryptedData_decrypt(CMS_ContentInfo *cms,
+ const unsigned char *key, size_t keylen,
+ BIO *dcont, BIO *out, unsigned int flags)
+{
+ BIO *cont;
+ int r;
+ if (OBJ_obj2nid(CMS_get0_type(cms)) != NID_pkcs7_encrypted) {
+ CMSerr(CMS_F_CMS_ENCRYPTEDDATA_DECRYPT,
+ CMS_R_TYPE_NOT_ENCRYPTED_DATA);
+ return 0;
+ }
+
+ if (!dcont && !check_content(cms))
+ return 0;
+
+ if (CMS_EncryptedData_set1_key(cms, NULL, key, keylen) <= 0)
+ return 0;
+ cont = CMS_dataInit(cms, dcont);
+ if (!cont)
+ return 0;
+ r = cms_copy_content(out, cont, flags);
+ do_free_upto(cont, dcont);
+ return r;
+}
+
+CMS_ContentInfo *CMS_EncryptedData_encrypt(BIO *in, const EVP_CIPHER *cipher,
+ const unsigned char *key,
+ size_t keylen, unsigned int flags)
+{
+ CMS_ContentInfo *cms;
+ if (!cipher) {
+ CMSerr(CMS_F_CMS_ENCRYPTEDDATA_ENCRYPT, CMS_R_NO_CIPHER);
+ return NULL;
+ }
+ cms = CMS_ContentInfo_new();
+ if (cms == NULL)
+ return NULL;
+ if (!CMS_EncryptedData_set1_key(cms, cipher, key, keylen))
+ return NULL;
+
+ if (!(flags & CMS_DETACHED))
+ CMS_set_detached(cms, 0);
+
+ if ((flags & (CMS_STREAM | CMS_PARTIAL))
+ || CMS_final(cms, in, NULL, flags))
+ return cms;
+
+ CMS_ContentInfo_free(cms);
+ return NULL;
+}
+
+static int cms_signerinfo_verify_cert(CMS_SignerInfo *si,
+ X509_STORE *store,
+ STACK_OF(X509) *certs,
+ STACK_OF(X509_CRL) *crls)
+{
+ X509_STORE_CTX *ctx = X509_STORE_CTX_new();
+ X509 *signer;
+ int i, j, r = 0;
+
+ if (ctx == NULL) {
+ CMSerr(CMS_F_CMS_SIGNERINFO_VERIFY_CERT, ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
+ CMS_SignerInfo_get0_algs(si, NULL, &signer, NULL, NULL);
+ if (!X509_STORE_CTX_init(ctx, store, signer, certs)) {
+ CMSerr(CMS_F_CMS_SIGNERINFO_VERIFY_CERT, CMS_R_STORE_INIT_ERROR);
+ goto err;
+ }
+ X509_STORE_CTX_set_default(ctx, "smime_sign");
+ if (crls)
+ X509_STORE_CTX_set0_crls(ctx, crls);
+
+ i = X509_verify_cert(ctx);
+ if (i <= 0) {
+ j = X509_STORE_CTX_get_error(ctx);
+ CMSerr(CMS_F_CMS_SIGNERINFO_VERIFY_CERT,
+ CMS_R_CERTIFICATE_VERIFY_ERROR);
+ ERR_add_error_data(2, "Verify error:",
+ X509_verify_cert_error_string(j));
+ goto err;
+ }
+ r = 1;
+ err:
+ X509_STORE_CTX_free(ctx);
+ return r;
+
+}
+
+int CMS_verify(CMS_ContentInfo *cms, STACK_OF(X509) *certs,
+ X509_STORE *store, BIO *dcont, BIO *out, unsigned int flags)
+{
+ CMS_SignerInfo *si;
+ STACK_OF(CMS_SignerInfo) *sinfos;
+ STACK_OF(X509) *cms_certs = NULL;
+ STACK_OF(X509_CRL) *crls = NULL;
+ X509 *signer;
+ int i, scount = 0, ret = 0;
+ BIO *cmsbio = NULL, *tmpin = NULL, *tmpout = NULL;
+
+ if (!dcont && !check_content(cms))
+ return 0;
+ if (dcont && !(flags & CMS_BINARY)) {
+ const ASN1_OBJECT *coid = CMS_get0_eContentType(cms);
+ if (OBJ_obj2nid(coid) == NID_id_ct_asciiTextWithCRLF)
+ flags |= CMS_ASCIICRLF;
+ }
+
+ /* Attempt to find all signer certificates */
+
+ sinfos = CMS_get0_SignerInfos(cms);
+
+ if (sk_CMS_SignerInfo_num(sinfos) <= 0) {
+ CMSerr(CMS_F_CMS_VERIFY, CMS_R_NO_SIGNERS);
+ goto err;
+ }
+
+ for (i = 0; i < sk_CMS_SignerInfo_num(sinfos); i++) {
+ si = sk_CMS_SignerInfo_value(sinfos, i);
+ CMS_SignerInfo_get0_algs(si, NULL, &signer, NULL, NULL);
+ if (signer)
+ scount++;
+ }
+
+ if (scount != sk_CMS_SignerInfo_num(sinfos))
+ scount += CMS_set1_signers_certs(cms, certs, flags);
+
+ if (scount != sk_CMS_SignerInfo_num(sinfos)) {
+ CMSerr(CMS_F_CMS_VERIFY, CMS_R_SIGNER_CERTIFICATE_NOT_FOUND);
+ goto err;
+ }
+
+ /* Attempt to verify all signers certs */
+
+ if (!(flags & CMS_NO_SIGNER_CERT_VERIFY)) {
+ cms_certs = CMS_get1_certs(cms);
+ if (!(flags & CMS_NOCRL))
+ crls = CMS_get1_crls(cms);
+ for (i = 0; i < sk_CMS_SignerInfo_num(sinfos); i++) {
+ si = sk_CMS_SignerInfo_value(sinfos, i);
+ if (!cms_signerinfo_verify_cert(si, store, cms_certs, crls))
+ goto err;
+ }
+ }
+
+ /* Attempt to verify all SignerInfo signed attribute signatures */
+
+ if (!(flags & CMS_NO_ATTR_VERIFY)) {
+ for (i = 0; i < sk_CMS_SignerInfo_num(sinfos); i++) {
+ si = sk_CMS_SignerInfo_value(sinfos, i);
+ if (CMS_signed_get_attr_count(si) < 0)
+ continue;
+ if (CMS_SignerInfo_verify(si) <= 0)
+ goto err;
+ }
+ }
+
+ /*
+ * Performance optimization: if the content is a memory BIO then store
+ * its contents in a temporary read only memory BIO. This avoids
+ * potentially large numbers of slow copies of data which will occur when
+ * reading from a read write memory BIO when signatures are calculated.
+ */
+
+ if (dcont && (BIO_method_type(dcont) == BIO_TYPE_MEM)) {
+ char *ptr;
+ long len;
+ len = BIO_get_mem_data(dcont, &ptr);
+ tmpin = (len == 0) ? dcont : BIO_new_mem_buf(ptr, len);
+ if (tmpin == NULL) {
+ CMSerr(CMS_F_CMS_VERIFY, ERR_R_MALLOC_FAILURE);
+ goto err2;
+ }
+ } else
+ tmpin = dcont;
+ /*
+ * If not binary mode and detached generate digests by *writing* through
+ * the BIO. That makes it possible to canonicalise the input.
+ */
+ if (!(flags & SMIME_BINARY) && dcont) {
+ /*
+ * Create output BIO so we can either handle text or to ensure
+ * included content doesn't override detached content.
+ */
+ tmpout = cms_get_text_bio(out, flags);
+ if (!tmpout) {
+ CMSerr(CMS_F_CMS_VERIFY, ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
+ cmsbio = CMS_dataInit(cms, tmpout);
+ if (!cmsbio)
+ goto err;
+ /*
+ * Don't use SMIME_TEXT for verify: it adds headers and we want to
+ * remove them.
+ */
+ SMIME_crlf_copy(dcont, cmsbio, flags & ~SMIME_TEXT);
+
+ if (flags & CMS_TEXT) {
+ if (!SMIME_text(tmpout, out)) {
+ CMSerr(CMS_F_CMS_VERIFY, CMS_R_SMIME_TEXT_ERROR);
+ goto err;
+ }
+ }
+ } else {
+ cmsbio = CMS_dataInit(cms, tmpin);
+ if (!cmsbio)
+ goto err;
+
+ if (!cms_copy_content(out, cmsbio, flags))
+ goto err;
+
+ }
+ if (!(flags & CMS_NO_CONTENT_VERIFY)) {
+ for (i = 0; i < sk_CMS_SignerInfo_num(sinfos); i++) {
+ si = sk_CMS_SignerInfo_value(sinfos, i);
+ if (CMS_SignerInfo_verify_content(si, cmsbio) <= 0) {
+ CMSerr(CMS_F_CMS_VERIFY, CMS_R_CONTENT_VERIFY_ERROR);
+ goto err;
+ }
+ }
+ }
+
+ ret = 1;
+
+ err:
+ if (!(flags & SMIME_BINARY) && dcont) {
+ do_free_upto(cmsbio, tmpout);
+ if (tmpin != dcont)
+ BIO_free(tmpin);
+ } else {
+ if (dcont && (tmpin == dcont))
+ do_free_upto(cmsbio, dcont);
+ else
+ BIO_free_all(cmsbio);
+ }
+
+ if (out != tmpout)
+ BIO_free_all(tmpout);
+
+ err2:
+ sk_X509_pop_free(cms_certs, X509_free);
+ sk_X509_CRL_pop_free(crls, X509_CRL_free);
+
+ return ret;
+}
+
+int CMS_verify_receipt(CMS_ContentInfo *rcms, CMS_ContentInfo *ocms,
+ STACK_OF(X509) *certs,
+ X509_STORE *store, unsigned int flags)
+{
+ int r;
+ flags &= ~(CMS_DETACHED | CMS_TEXT);
+ r = CMS_verify(rcms, certs, store, NULL, NULL, flags);
+ if (r <= 0)
+ return r;
+ return cms_Receipt_verify(rcms, ocms);
+}
+
+CMS_ContentInfo *CMS_sign(X509 *signcert, EVP_PKEY *pkey,
+ STACK_OF(X509) *certs, BIO *data,
+ unsigned int flags)
+{
+ CMS_ContentInfo *cms;
+ int i;
+
+ cms = CMS_ContentInfo_new();
+ if (cms == NULL || !CMS_SignedData_init(cms))
+ goto merr;
+ if (flags & CMS_ASCIICRLF
+ && !CMS_set1_eContentType(cms,
+ OBJ_nid2obj(NID_id_ct_asciiTextWithCRLF)))
+ goto err;
+
+ if (pkey && !CMS_add1_signer(cms, signcert, pkey, NULL, flags)) {
+ CMSerr(CMS_F_CMS_SIGN, CMS_R_ADD_SIGNER_ERROR);
+ goto err;
+ }
+
+ for (i = 0; i < sk_X509_num(certs); i++) {
+ X509 *x = sk_X509_value(certs, i);
+ if (!CMS_add1_cert(cms, x))
+ goto merr;
+ }
+
+ if (!(flags & CMS_DETACHED))
+ CMS_set_detached(cms, 0);
+
+ if ((flags & (CMS_STREAM | CMS_PARTIAL))
+ || CMS_final(cms, data, NULL, flags))
+ return cms;
+ else
+ goto err;
+
+ merr:
+ CMSerr(CMS_F_CMS_SIGN, ERR_R_MALLOC_FAILURE);
+
+ err:
+ CMS_ContentInfo_free(cms);
+ return NULL;
+}
+
+CMS_ContentInfo *CMS_sign_receipt(CMS_SignerInfo *si,
+ X509 *signcert, EVP_PKEY *pkey,
+ STACK_OF(X509) *certs, unsigned int flags)
+{
+ CMS_SignerInfo *rct_si;
+ CMS_ContentInfo *cms = NULL;
+ ASN1_OCTET_STRING **pos, *os;
+ BIO *rct_cont = NULL;
+ int r = 0;
+
+ flags &= ~(CMS_STREAM | CMS_TEXT);
+ /* Not really detached but avoids content being allocated */
+ flags |= CMS_PARTIAL | CMS_BINARY | CMS_DETACHED;
+ if (!pkey || !signcert) {
+ CMSerr(CMS_F_CMS_SIGN_RECEIPT, CMS_R_NO_KEY_OR_CERT);
+ return NULL;
+ }
+
+ /* Initialize signed data */
+
+ cms = CMS_sign(NULL, NULL, certs, NULL, flags);
+ if (!cms)
+ goto err;
+
+ /* Set inner content type to signed receipt */
+ if (!CMS_set1_eContentType(cms, OBJ_nid2obj(NID_id_smime_ct_receipt)))
+ goto err;
+
+ rct_si = CMS_add1_signer(cms, signcert, pkey, NULL, flags);
+ if (!rct_si) {
+ CMSerr(CMS_F_CMS_SIGN_RECEIPT, CMS_R_ADD_SIGNER_ERROR);
+ goto err;
+ }
+
+ os = cms_encode_Receipt(si);
+
+ if (!os)
+ goto err;
+
+ /* Set content to digest */
+ rct_cont = BIO_new_mem_buf(os->data, os->length);
+ if (!rct_cont)
+ goto err;
+
+ /* Add msgSigDigest attribute */
+
+ if (!cms_msgSigDigest_add1(rct_si, si))
+ goto err;
+
+ /* Finalize structure */
+ if (!CMS_final(cms, rct_cont, NULL, flags))
+ goto err;
+
+ /* Set embedded content */
+ pos = CMS_get0_content(cms);
+ *pos = os;
+
+ r = 1;
+
+ err:
+ BIO_free(rct_cont);
+ if (r)
+ return cms;
+ CMS_ContentInfo_free(cms);
+ return NULL;
+
+}
+
+CMS_ContentInfo *CMS_encrypt(STACK_OF(X509) *certs, BIO *data,
+ const EVP_CIPHER *cipher, unsigned int flags)
+{
+ CMS_ContentInfo *cms;
+ int i;
+ X509 *recip;
+ cms = CMS_EnvelopedData_create(cipher);
+ if (!cms)
+ goto merr;
+ for (i = 0; i < sk_X509_num(certs); i++) {
+ recip = sk_X509_value(certs, i);
+ if (!CMS_add1_recipient_cert(cms, recip, flags)) {
+ CMSerr(CMS_F_CMS_ENCRYPT, CMS_R_RECIPIENT_ERROR);
+ goto err;
+ }
+ }
+
+ if (!(flags & CMS_DETACHED))
+ CMS_set_detached(cms, 0);
+
+ if ((flags & (CMS_STREAM | CMS_PARTIAL))
+ || CMS_final(cms, data, NULL, flags))
+ return cms;
+ else
+ goto err;
+
+ merr:
+ CMSerr(CMS_F_CMS_ENCRYPT, ERR_R_MALLOC_FAILURE);
+ err:
+ CMS_ContentInfo_free(cms);
+ return NULL;
+}
+
+static int cms_kari_set1_pkey(CMS_ContentInfo *cms, CMS_RecipientInfo *ri,
+ EVP_PKEY *pk, X509 *cert)
+{
+ int i;
+ STACK_OF(CMS_RecipientEncryptedKey) *reks;
+ CMS_RecipientEncryptedKey *rek;
+ reks = CMS_RecipientInfo_kari_get0_reks(ri);
+ for (i = 0; i < sk_CMS_RecipientEncryptedKey_num(reks); i++) {
+ int rv;
+ rek = sk_CMS_RecipientEncryptedKey_value(reks, i);
+ if (cert != NULL && CMS_RecipientEncryptedKey_cert_cmp(rek, cert))
+ continue;
+ CMS_RecipientInfo_kari_set0_pkey(ri, pk);
+ rv = CMS_RecipientInfo_kari_decrypt(cms, ri, rek);
+ CMS_RecipientInfo_kari_set0_pkey(ri, NULL);
+ if (rv > 0)
+ return 1;
+ return cert == NULL ? 0 : -1;
+ }
+ return 0;
+}
+
+int CMS_decrypt_set1_pkey(CMS_ContentInfo *cms, EVP_PKEY *pk, X509 *cert)
+{
+ STACK_OF(CMS_RecipientInfo) *ris;
+ CMS_RecipientInfo *ri;
+ int i, r, ri_type;
+ int debug = 0, match_ri = 0;
+ ris = CMS_get0_RecipientInfos(cms);
+ if (ris)
+ debug = cms->d.envelopedData->encryptedContentInfo->debug;
+ ri_type = cms_pkey_get_ri_type(pk);
+ if (ri_type == CMS_RECIPINFO_NONE) {
+ CMSerr(CMS_F_CMS_DECRYPT_SET1_PKEY,
+ CMS_R_NOT_SUPPORTED_FOR_THIS_KEY_TYPE);
+ return 0;
+ }
+
+ for (i = 0; i < sk_CMS_RecipientInfo_num(ris); i++) {
+ ri = sk_CMS_RecipientInfo_value(ris, i);
+ if (CMS_RecipientInfo_type(ri) != ri_type)
+ continue;
+ match_ri = 1;
+ if (ri_type == CMS_RECIPINFO_AGREE) {
+ r = cms_kari_set1_pkey(cms, ri, pk, cert);
+ if (r > 0)
+ return 1;
+ if (r < 0)
+ return 0;
+ }
+ /*
+ * If we have a cert try matching RecipientInfo otherwise try them
+ * all.
+ */
+ else if (!cert || !CMS_RecipientInfo_ktri_cert_cmp(ri, cert)) {
+ EVP_PKEY_up_ref(pk);
+ CMS_RecipientInfo_set0_pkey(ri, pk);
+ r = CMS_RecipientInfo_decrypt(cms, ri);
+ CMS_RecipientInfo_set0_pkey(ri, NULL);
+ if (cert) {
+ /*
+ * If not debugging clear any error and return success to
+ * avoid leaking of information useful to MMA
+ */
+ if (!debug) {
+ ERR_clear_error();
+ return 1;
+ }
+ if (r > 0)
+ return 1;
+ CMSerr(CMS_F_CMS_DECRYPT_SET1_PKEY, CMS_R_DECRYPT_ERROR);
+ return 0;
+ }
+ /*
+ * If no cert and not debugging don't leave loop after first
+ * successful decrypt. Always attempt to decrypt all recipients
+ * to avoid leaking timing of a successful decrypt.
+ */
+ else if (r > 0 && debug)
+ return 1;
+ }
+ }
+ /* If no cert, key transport and not debugging always return success */
+ if (cert == NULL && ri_type == CMS_RECIPINFO_TRANS && match_ri && !debug) {
+ ERR_clear_error();
+ return 1;
+ }
+
+ CMSerr(CMS_F_CMS_DECRYPT_SET1_PKEY, CMS_R_NO_MATCHING_RECIPIENT);
+ return 0;
+
+}
+
+int CMS_decrypt_set1_key(CMS_ContentInfo *cms,
+ unsigned char *key, size_t keylen,
+ const unsigned char *id, size_t idlen)
+{
+ STACK_OF(CMS_RecipientInfo) *ris;
+ CMS_RecipientInfo *ri;
+ int i, r;
+ ris = CMS_get0_RecipientInfos(cms);
+ for (i = 0; i < sk_CMS_RecipientInfo_num(ris); i++) {
+ ri = sk_CMS_RecipientInfo_value(ris, i);
+ if (CMS_RecipientInfo_type(ri) != CMS_RECIPINFO_KEK)
+ continue;
+
+ /*
+ * If we have an id try matching RecipientInfo otherwise try them
+ * all.
+ */
+ if (!id || (CMS_RecipientInfo_kekri_id_cmp(ri, id, idlen) == 0)) {
+ CMS_RecipientInfo_set0_key(ri, key, keylen);
+ r = CMS_RecipientInfo_decrypt(cms, ri);
+ CMS_RecipientInfo_set0_key(ri, NULL, 0);
+ if (r > 0)
+ return 1;
+ if (id) {
+ CMSerr(CMS_F_CMS_DECRYPT_SET1_KEY, CMS_R_DECRYPT_ERROR);
+ return 0;
+ }
+ ERR_clear_error();
+ }
+ }
+
+ CMSerr(CMS_F_CMS_DECRYPT_SET1_KEY, CMS_R_NO_MATCHING_RECIPIENT);
+ return 0;
+
+}
+
+int CMS_decrypt_set1_password(CMS_ContentInfo *cms,
+ unsigned char *pass, ossl_ssize_t passlen)
+{
+ STACK_OF(CMS_RecipientInfo) *ris;
+ CMS_RecipientInfo *ri;
+ int i, r;
+ ris = CMS_get0_RecipientInfos(cms);
+ for (i = 0; i < sk_CMS_RecipientInfo_num(ris); i++) {
+ ri = sk_CMS_RecipientInfo_value(ris, i);
+ if (CMS_RecipientInfo_type(ri) != CMS_RECIPINFO_PASS)
+ continue;
+ CMS_RecipientInfo_set0_password(ri, pass, passlen);
+ r = CMS_RecipientInfo_decrypt(cms, ri);
+ CMS_RecipientInfo_set0_password(ri, NULL, 0);
+ if (r > 0)
+ return 1;
+ }
+
+ CMSerr(CMS_F_CMS_DECRYPT_SET1_PASSWORD, CMS_R_NO_MATCHING_RECIPIENT);
+ return 0;
+
+}
+
+int CMS_decrypt(CMS_ContentInfo *cms, EVP_PKEY *pk, X509 *cert,
+ BIO *dcont, BIO *out, unsigned int flags)
+{
+ int r;
+ BIO *cont;
+ if (OBJ_obj2nid(CMS_get0_type(cms)) != NID_pkcs7_enveloped) {
+ CMSerr(CMS_F_CMS_DECRYPT, CMS_R_TYPE_NOT_ENVELOPED_DATA);
+ return 0;
+ }
+ if (!dcont && !check_content(cms))
+ return 0;
+ if (flags & CMS_DEBUG_DECRYPT)
+ cms->d.envelopedData->encryptedContentInfo->debug = 1;
+ else
+ cms->d.envelopedData->encryptedContentInfo->debug = 0;
+ if (!cert)
+ cms->d.envelopedData->encryptedContentInfo->havenocert = 1;
+ else
+ cms->d.envelopedData->encryptedContentInfo->havenocert = 0;
+ if (!pk && !cert && !dcont && !out)
+ return 1;
+ if (pk && !CMS_decrypt_set1_pkey(cms, pk, cert))
+ return 0;
+ cont = CMS_dataInit(cms, dcont);
+ if (!cont)
+ return 0;
+ r = cms_copy_content(out, cont, flags);
+ do_free_upto(cont, dcont);
+ return r;
+}
+
+int CMS_final(CMS_ContentInfo *cms, BIO *data, BIO *dcont, unsigned int flags)
+{
+ BIO *cmsbio;
+ int ret = 0;
+
+ if ((cmsbio = CMS_dataInit(cms, dcont)) == NULL) {
+ CMSerr(CMS_F_CMS_FINAL, CMS_R_CMS_LIB);
+ return 0;
+ }
+
+ SMIME_crlf_copy(data, cmsbio, flags);
+
+ (void)BIO_flush(cmsbio);
+
+ if (!CMS_dataFinal(cms, cmsbio)) {
+ CMSerr(CMS_F_CMS_FINAL, CMS_R_CMS_DATAFINAL_ERROR);
+ goto err;
+ }
+
+ ret = 1;
+
+ err:
+ do_free_upto(cmsbio, dcont);
+
+ return ret;
+
+}
+
+#ifdef ZLIB
+
+int CMS_uncompress(CMS_ContentInfo *cms, BIO *dcont, BIO *out,
+ unsigned int flags)
+{
+ BIO *cont;
+ int r;
+ if (OBJ_obj2nid(CMS_get0_type(cms)) != NID_id_smime_ct_compressedData) {
+ CMSerr(CMS_F_CMS_UNCOMPRESS, CMS_R_TYPE_NOT_COMPRESSED_DATA);
+ return 0;
+ }
+
+ if (!dcont && !check_content(cms))
+ return 0;
+
+ cont = CMS_dataInit(cms, dcont);
+ if (!cont)
+ return 0;
+ r = cms_copy_content(out, cont, flags);
+ do_free_upto(cont, dcont);
+ return r;
+}
+
+CMS_ContentInfo *CMS_compress(BIO *in, int comp_nid, unsigned int flags)
+{
+ CMS_ContentInfo *cms;
+ if (comp_nid <= 0)
+ comp_nid = NID_zlib_compression;
+ cms = cms_CompressedData_create(comp_nid);
+ if (!cms)
+ return NULL;
+
+ if (!(flags & CMS_DETACHED))
+ CMS_set_detached(cms, 0);
+
+ if ((flags & CMS_STREAM) || CMS_final(cms, in, NULL, flags))
+ return cms;
+
+ CMS_ContentInfo_free(cms);
+ return NULL;
+}
+
+#else
+
+int CMS_uncompress(CMS_ContentInfo *cms, BIO *dcont, BIO *out,
+ unsigned int flags)
+{
+ CMSerr(CMS_F_CMS_UNCOMPRESS, CMS_R_UNSUPPORTED_COMPRESSION_ALGORITHM);
+ return 0;
+}
+
+CMS_ContentInfo *CMS_compress(BIO *in, int comp_nid, unsigned int flags)
+{
+ CMSerr(CMS_F_CMS_COMPRESS, CMS_R_UNSUPPORTED_COMPRESSION_ALGORITHM);
+ return NULL;
+}
+
+#endif