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Diffstat (limited to 'app/openssl/crypto/cms/cms_enc.c')
-rw-r--r--app/openssl/crypto/cms/cms_enc.c294
1 files changed, 0 insertions, 294 deletions
diff --git a/app/openssl/crypto/cms/cms_enc.c b/app/openssl/crypto/cms/cms_enc.c
deleted file mode 100644
index bebeaf29..00000000
--- a/app/openssl/crypto/cms/cms_enc.c
+++ /dev/null
@@ -1,294 +0,0 @@
-/* crypto/cms/cms_enc.c */
-/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
- * project.
- */
-/* ====================================================================
- * Copyright (c) 2008 The OpenSSL Project. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * 3. All advertising materials mentioning features or use of this
- * software must display the following acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
- *
- * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
- * endorse or promote products derived from this software without
- * prior written permission. For written permission, please contact
- * licensing@OpenSSL.org.
- *
- * 5. Products derived from this software may not be called "OpenSSL"
- * nor may "OpenSSL" appear in their names without prior written
- * permission of the OpenSSL Project.
- *
- * 6. Redistributions of any form whatsoever must retain the following
- * acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
- *
- * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
- * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
- * OF THE POSSIBILITY OF SUCH DAMAGE.
- * ====================================================================
- */
-
-#include "cryptlib.h"
-#include <openssl/asn1t.h>
-#include <openssl/pem.h>
-#include <openssl/x509v3.h>
-#include <openssl/err.h>
-#include <openssl/cms.h>
-#include <openssl/rand.h>
-#include "cms_lcl.h"
-
-/* CMS EncryptedData Utilities */
-
-DECLARE_ASN1_ITEM(CMS_EncryptedData)
-
-/* Return BIO based on EncryptedContentInfo and key */
-
-BIO *cms_EncryptedContent_init_bio(CMS_EncryptedContentInfo *ec)
- {
- BIO *b;
- EVP_CIPHER_CTX *ctx;
- const EVP_CIPHER *ciph;
- X509_ALGOR *calg = ec->contentEncryptionAlgorithm;
- unsigned char iv[EVP_MAX_IV_LENGTH], *piv = NULL;
- unsigned char *tkey = NULL;
- size_t tkeylen = 0;
-
- int ok = 0;
-
- int enc, keep_key = 0;
-
- enc = ec->cipher ? 1 : 0;
-
- b = BIO_new(BIO_f_cipher());
- if (!b)
- {
- CMSerr(CMS_F_CMS_ENCRYPTEDCONTENT_INIT_BIO,
- ERR_R_MALLOC_FAILURE);
- return NULL;
- }
-
- BIO_get_cipher_ctx(b, &ctx);
-
- if (enc)
- {
- ciph = ec->cipher;
- /* If not keeping key set cipher to NULL so subsequent calls
- * decrypt.
- */
- if (ec->key)
- ec->cipher = NULL;
- }
- else
- {
- ciph = EVP_get_cipherbyobj(calg->algorithm);
-
- if (!ciph)
- {
- CMSerr(CMS_F_CMS_ENCRYPTEDCONTENT_INIT_BIO,
- CMS_R_UNKNOWN_CIPHER);
- goto err;
- }
- }
-
- if (EVP_CipherInit_ex(ctx, ciph, NULL, NULL, NULL, enc) <= 0)
- {
- CMSerr(CMS_F_CMS_ENCRYPTEDCONTENT_INIT_BIO,
- CMS_R_CIPHER_INITIALISATION_ERROR);
- goto err;
- }
-
- if (enc)
- {
- int ivlen;
- calg->algorithm = OBJ_nid2obj(EVP_CIPHER_CTX_type(ctx));
- /* Generate a random IV if we need one */
- ivlen = EVP_CIPHER_CTX_iv_length(ctx);
- if (ivlen > 0)
- {
- if (RAND_pseudo_bytes(iv, ivlen) <= 0)
- goto err;
- piv = iv;
- }
- }
- else if (EVP_CIPHER_asn1_to_param(ctx, calg->parameter) <= 0)
- {
- CMSerr(CMS_F_CMS_ENCRYPTEDCONTENT_INIT_BIO,
- CMS_R_CIPHER_PARAMETER_INITIALISATION_ERROR);
- goto err;
- }
- tkeylen = EVP_CIPHER_CTX_key_length(ctx);
- /* Generate random session key */
- if (!enc || !ec->key)
- {
- tkey = OPENSSL_malloc(tkeylen);
- if (!tkey)
- {
- CMSerr(CMS_F_CMS_ENCRYPTEDCONTENT_INIT_BIO,
- ERR_R_MALLOC_FAILURE);
- goto err;
- }
- if (EVP_CIPHER_CTX_rand_key(ctx, tkey) <= 0)
- goto err;
- }
-
- if (!ec->key)
- {
- ec->key = tkey;
- ec->keylen = tkeylen;
- tkey = NULL;
- if (enc)
- keep_key = 1;
- else
- ERR_clear_error();
-
- }
-
- if (ec->keylen != tkeylen)
- {
- /* If necessary set key length */
- if (EVP_CIPHER_CTX_set_key_length(ctx, ec->keylen) <= 0)
- {
- /* Only reveal failure if debugging so we don't
- * leak information which may be useful in MMA.
- */
- if (enc || ec->debug)
- {
- CMSerr(CMS_F_CMS_ENCRYPTEDCONTENT_INIT_BIO,
- CMS_R_INVALID_KEY_LENGTH);
- goto err;
- }
- else
- {
- /* Use random key */
- OPENSSL_cleanse(ec->key, ec->keylen);
- OPENSSL_free(ec->key);
- ec->key = tkey;
- ec->keylen = tkeylen;
- tkey = NULL;
- ERR_clear_error();
- }
- }
- }
-
- if (EVP_CipherInit_ex(ctx, NULL, NULL, ec->key, piv, enc) <= 0)
- {
- CMSerr(CMS_F_CMS_ENCRYPTEDCONTENT_INIT_BIO,
- CMS_R_CIPHER_INITIALISATION_ERROR);
- goto err;
- }
-
- if (piv)
- {
- calg->parameter = ASN1_TYPE_new();
- if (!calg->parameter)
- {
- CMSerr(CMS_F_CMS_ENCRYPTEDCONTENT_INIT_BIO,
- ERR_R_MALLOC_FAILURE);
- goto err;
- }
- if (EVP_CIPHER_param_to_asn1(ctx, calg->parameter) <= 0)
- {
- CMSerr(CMS_F_CMS_ENCRYPTEDCONTENT_INIT_BIO,
- CMS_R_CIPHER_PARAMETER_INITIALISATION_ERROR);
- goto err;
- }
- }
- ok = 1;
-
- err:
- if (ec->key && !keep_key)
- {
- OPENSSL_cleanse(ec->key, ec->keylen);
- OPENSSL_free(ec->key);
- ec->key = NULL;
- }
- if (tkey)
- {
- OPENSSL_cleanse(tkey, tkeylen);
- OPENSSL_free(tkey);
- }
- if (ok)
- return b;
- BIO_free(b);
- return NULL;
- }
-
-int cms_EncryptedContent_init(CMS_EncryptedContentInfo *ec,
- const EVP_CIPHER *cipher,
- const unsigned char *key, size_t keylen)
- {
- ec->cipher = cipher;
- if (key)
- {
- ec->key = OPENSSL_malloc(keylen);
- if (!ec->key)
- return 0;
- memcpy(ec->key, key, keylen);
- }
- ec->keylen = keylen;
- if (cipher)
- ec->contentType = OBJ_nid2obj(NID_pkcs7_data);
- return 1;
- }
-
-int CMS_EncryptedData_set1_key(CMS_ContentInfo *cms, const EVP_CIPHER *ciph,
- const unsigned char *key, size_t keylen)
- {
- CMS_EncryptedContentInfo *ec;
- if (!key || !keylen)
- {
- CMSerr(CMS_F_CMS_ENCRYPTEDDATA_SET1_KEY, CMS_R_NO_KEY);
- return 0;
- }
- if (ciph)
- {
- cms->d.encryptedData = M_ASN1_new_of(CMS_EncryptedData);
- if (!cms->d.encryptedData)
- {
- CMSerr(CMS_F_CMS_ENCRYPTEDDATA_SET1_KEY,
- ERR_R_MALLOC_FAILURE);
- return 0;
- }
- cms->contentType = OBJ_nid2obj(NID_pkcs7_encrypted);
- cms->d.encryptedData->version = 0;
- }
- else if (OBJ_obj2nid(cms->contentType) != NID_pkcs7_encrypted)
- {
- CMSerr(CMS_F_CMS_ENCRYPTEDDATA_SET1_KEY,
- CMS_R_NOT_ENCRYPTED_DATA);
- return 0;
- }
- ec = cms->d.encryptedData->encryptedContentInfo;
- return cms_EncryptedContent_init(ec, ciph, key, keylen);
- }
-
-BIO *cms_EncryptedData_init_bio(CMS_ContentInfo *cms)
- {
- CMS_EncryptedData *enc = cms->d.encryptedData;
- if (enc->encryptedContentInfo->cipher && enc->unprotectedAttrs)
- enc->version = 2;
- return cms_EncryptedContent_init_bio(enc->encryptedContentInfo);
- }
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