diff options
Diffstat (limited to 'openssl/crypto/pkcs7/dec.c')
-rw-r--r-- | openssl/crypto/pkcs7/dec.c | 248 |
1 files changed, 0 insertions, 248 deletions
diff --git a/openssl/crypto/pkcs7/dec.c b/openssl/crypto/pkcs7/dec.c deleted file mode 100644 index 6752ec568..000000000 --- a/openssl/crypto/pkcs7/dec.c +++ /dev/null @@ -1,248 +0,0 @@ -/* crypto/pkcs7/verify.c */ -/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) - * All rights reserved. - * - * This package is an SSL implementation written - * by Eric Young (eay@cryptsoft.com). - * The implementation was written so as to conform with Netscapes SSL. - * - * This library is free for commercial and non-commercial use as long as - * the following conditions are aheared to. The following conditions - * apply to all code found in this distribution, be it the RC4, RSA, - * lhash, DES, etc., code; not just the SSL code. The SSL documentation - * included with this distribution is covered by the same copyright terms - * except that the holder is Tim Hudson (tjh@cryptsoft.com). - * - * Copyright remains Eric Young's, and as such any Copyright notices in - * the code are not to be removed. - * If this package is used in a product, Eric Young should be given attribution - * as the author of the parts of the library used. - * This can be in the form of a textual message at program startup or - * in documentation (online or textual) provided with the package. - * - * 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 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 acknowledgement: - * "This product includes cryptographic software written by - * Eric Young (eay@cryptsoft.com)" - * The word 'cryptographic' can be left out if the rouines from the library - * being used are not cryptographic related :-). - * 4. If you include any Windows specific code (or a derivative thereof) from - * the apps directory (application code) you must include an acknowledgement: - * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" - * - * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND - * ANY EXPRESS 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 AUTHOR OR 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. - * - * The licence and distribution terms for any publically available version or - * derivative of this code cannot be changed. i.e. this code cannot simply be - * copied and put under another distribution licence - * [including the GNU Public Licence.] - */ -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <openssl/bio.h> -#include <openssl/x509.h> -#include <openssl/pem.h> -#include <openssl/err.h> -#include <openssl/asn1.h> - -int verify_callback(int ok, X509_STORE_CTX *ctx); - -BIO *bio_err=NULL; - -int main(argc,argv) -int argc; -char *argv[]; - { - char *keyfile=NULL; - BIO *in; - EVP_PKEY *pkey; - X509 *x509; - PKCS7 *p7; - PKCS7_SIGNER_INFO *si; - X509_STORE_CTX cert_ctx; - X509_STORE *cert_store=NULL; - BIO *data,*detached=NULL,*p7bio=NULL; - char buf[1024*4]; - unsigned char *pp; - int i,printit=0; - STACK_OF(PKCS7_SIGNER_INFO) *sk; - - OpenSSL_add_all_algorithms(); - bio_err=BIO_new_fp(stderr,BIO_NOCLOSE); - - data=BIO_new(BIO_s_file()); - pp=NULL; - while (argc > 1) - { - argc--; - argv++; - if (strcmp(argv[0],"-p") == 0) - { - printit=1; - } - else if ((strcmp(argv[0],"-k") == 0) && (argc >= 2)) { - keyfile = argv[1]; - argc-=1; - argv+=1; - } else if ((strcmp(argv[0],"-d") == 0) && (argc >= 2)) - { - detached=BIO_new(BIO_s_file()); - if (!BIO_read_filename(detached,argv[1])) - goto err; - argc-=1; - argv+=1; - } - else break; - } - - if (!BIO_read_filename(data,argv[0])) goto err; - - if(!keyfile) { - fprintf(stderr, "No private key file specified\n"); - goto err; - } - - if ((in=BIO_new_file(keyfile,"r")) == NULL) goto err; - if ((x509=PEM_read_bio_X509(in,NULL,NULL,NULL)) == NULL) goto err; - BIO_reset(in); - if ((pkey=PEM_read_bio_PrivateKey(in,NULL,NULL,NULL)) == NULL) - goto err; - BIO_free(in); - - if (pp == NULL) - BIO_set_fp(data,stdin,BIO_NOCLOSE); - - - /* Load the PKCS7 object from a file */ - if ((p7=PEM_read_bio_PKCS7(data,NULL,NULL,NULL)) == NULL) goto err; - - - - /* This stuff is being setup for certificate verification. - * When using SSL, it could be replaced with a - * cert_stre=SSL_CTX_get_cert_store(ssl_ctx); */ - cert_store=X509_STORE_new(); - X509_STORE_set_default_paths(cert_store); - X509_STORE_load_locations(cert_store,NULL,"../../certs"); - X509_STORE_set_verify_cb_func(cert_store,verify_callback); - - ERR_clear_error(); - - /* We need to process the data */ - /* We cannot support detached encryption */ - p7bio=PKCS7_dataDecode(p7,pkey,detached,x509); - - if (p7bio == NULL) - { - printf("problems decoding\n"); - goto err; - } - - /* We now have to 'read' from p7bio to calculate digests etc. */ - for (;;) - { - i=BIO_read(p7bio,buf,sizeof(buf)); - /* print it? */ - if (i <= 0) break; - fwrite(buf,1, i, stdout); - } - - /* We can now verify signatures */ - sk=PKCS7_get_signer_info(p7); - if (sk == NULL) - { - fprintf(stderr, "there are no signatures on this data\n"); - } - else - { - /* Ok, first we need to, for each subject entry, - * see if we can verify */ - ERR_clear_error(); - for (i=0; i<sk_PKCS7_SIGNER_INFO_num(sk); i++) - { - si=sk_PKCS7_SIGNER_INFO_value(sk,i); - i=PKCS7_dataVerify(cert_store,&cert_ctx,p7bio,p7,si); - if (i <= 0) - goto err; - else - fprintf(stderr,"Signature verified\n"); - } - } - X509_STORE_free(cert_store); - - exit(0); -err: - ERR_load_crypto_strings(); - ERR_print_errors_fp(stderr); - exit(1); - } - -/* should be X509 * but we can just have them as char *. */ -int verify_callback(int ok, X509_STORE_CTX *ctx) - { - char buf[256]; - X509 *err_cert; - int err,depth; - - err_cert=X509_STORE_CTX_get_current_cert(ctx); - err= X509_STORE_CTX_get_error(ctx); - depth= X509_STORE_CTX_get_error_depth(ctx); - - X509_NAME_oneline(X509_get_subject_name(err_cert),buf,256); - BIO_printf(bio_err,"depth=%d %s\n",depth,buf); - if (!ok) - { - BIO_printf(bio_err,"verify error:num=%d:%s\n",err, - X509_verify_cert_error_string(err)); - if (depth < 6) - { - ok=1; - X509_STORE_CTX_set_error(ctx,X509_V_OK); - } - else - { - ok=0; - X509_STORE_CTX_set_error(ctx,X509_V_ERR_CERT_CHAIN_TOO_LONG); - } - } - switch (ctx->error) - { - case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT: - X509_NAME_oneline(X509_get_issuer_name(ctx->current_cert),buf,256); - BIO_printf(bio_err,"issuer= %s\n",buf); - break; - case X509_V_ERR_CERT_NOT_YET_VALID: - case X509_V_ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD: - BIO_printf(bio_err,"notBefore="); - ASN1_UTCTIME_print(bio_err,X509_get_notBefore(ctx->current_cert)); - BIO_printf(bio_err,"\n"); - break; - case X509_V_ERR_CERT_HAS_EXPIRED: - case X509_V_ERR_ERROR_IN_CERT_NOT_AFTER_FIELD: - BIO_printf(bio_err,"notAfter="); - ASN1_UTCTIME_print(bio_err,X509_get_notAfter(ctx->current_cert)); - BIO_printf(bio_err,"\n"); - break; - } - BIO_printf(bio_err,"verify return:%d\n",ok); - return(ok); - } |