#include <stdio.h>
#include "cryptlib.h"
-#include "rand.h"
-#include "objects.h"
-#include "x509.h"
+#include <openssl/rand.h>
+#include <openssl/objects.h>
+#include <openssl/x509.h>
+#include <openssl/x509v3.h>
-static int add_attribute(STACK **sk, int nid, int atrtype, char *value);
-static ASN1_TYPE *get_attribute(STACK *sk, int nid);
+static int add_attribute(STACK_OF(X509_ATTRIBUTE) **sk, int nid, int atrtype,
+ void *value);
+static ASN1_TYPE *get_attribute(STACK_OF(X509_ATTRIBUTE) *sk, int nid);
-#if 1
-BIO *PKCS7_dataInit(p7,bio)
-PKCS7 *p7;
-BIO *bio;
+static int PKCS7_type_is_other(PKCS7* p7)
+ {
+ int isOther=1;
+
+ int nid=OBJ_obj2nid(p7->type);
+
+ switch( nid )
+ {
+ case NID_pkcs7_data:
+ case NID_pkcs7_signed:
+ case NID_pkcs7_enveloped:
+ case NID_pkcs7_signedAndEnveloped:
+ case NID_pkcs7_digest:
+ case NID_pkcs7_encrypted:
+ isOther=0;
+ break;
+ default:
+ isOther=1;
+ }
+
+ return isOther;
+
+ }
+
+static int PKCS7_type_is_octet_string(PKCS7* p7)
+ {
+ if ( 0==PKCS7_type_is_other(p7) )
+ return 0;
+
+ return (V_ASN1_OCTET_STRING==p7->d.other->type) ? 1 : 0;
+ }
+
+BIO *PKCS7_dataInit(PKCS7 *p7, BIO *bio)
{
int i,j;
BIO *out=NULL,*btmp=NULL;
X509_ALGOR *xa;
- EVP_MD *evp_md;
- EVP_CIPHER *evp_cipher=NULL;
- STACK *md_sk=NULL,*rsk=NULL;
+ const EVP_MD *evp_md;
+ const EVP_CIPHER *evp_cipher=NULL;
+ STACK_OF(X509_ALGOR) *md_sk=NULL;
+ STACK_OF(PKCS7_RECIP_INFO) *rsk=NULL;
X509_ALGOR *xalg=NULL;
PKCS7_RECIP_INFO *ri=NULL;
EVP_PKEY *pkey;
case NID_pkcs7_signedAndEnveloped:
rsk=p7->d.signed_and_enveloped->recipientinfo;
md_sk=p7->d.signed_and_enveloped->md_algs;
- evp_cipher=EVP_get_cipherbyname(OBJ_nid2sn(OBJ_obj2nid(p7->d.signed_and_enveloped->enc_data->algorithm->algorithm)));
+ xalg=p7->d.signed_and_enveloped->enc_data->algorithm;
+ evp_cipher=p7->d.signed_and_enveloped->enc_data->cipher;
if (evp_cipher == NULL)
{
- PKCS7err(PKCS7_F_PKCS7_DATAINIT,PKCS7_R_UNSUPPORTED_CIPHER_TYPE);
+ PKCS7err(PKCS7_F_PKCS7_DATAINIT,
+ PKCS7_R_CIPHER_NOT_INITIALIZED);
goto err;
}
- xalg=p7->d.signed_and_enveloped->enc_data->algorithm;
break;
case NID_pkcs7_enveloped:
rsk=p7->d.enveloped->recipientinfo;
- evp_cipher=EVP_get_cipherbyname(OBJ_nid2sn(OBJ_obj2nid(p7->d.enveloped->enc_data->algorithm->algorithm)));
+ xalg=p7->d.enveloped->enc_data->algorithm;
+ evp_cipher=p7->d.enveloped->enc_data->cipher;
if (evp_cipher == NULL)
{
- PKCS7err(PKCS7_F_PKCS7_DATAINIT,PKCS7_R_UNSUPPORTED_CIPHER_TYPE);
+ PKCS7err(PKCS7_F_PKCS7_DATAINIT,
+ PKCS7_R_CIPHER_NOT_INITIALIZED);
goto err;
}
- xalg=p7->d.enveloped->enc_data->algorithm;
break;
default:
PKCS7err(PKCS7_F_PKCS7_DATAINIT,PKCS7_R_UNSUPPORTED_CONTENT_TYPE);
if (md_sk != NULL)
{
- for (i=0; i<sk_num(md_sk); i++)
+ for (i=0; i<sk_X509_ALGOR_num(md_sk); i++)
{
- xa=(X509_ALGOR *)sk_value(md_sk,i);
+ xa=sk_X509_ALGOR_value(md_sk,i);
if ((btmp=BIO_new(BIO_f_md())) == NULL)
{
PKCS7err(PKCS7_F_PKCS7_DATAINIT,ERR_R_BIO_LIB);
int keylen,ivlen;
int jj,max;
unsigned char *tmp;
+ EVP_CIPHER_CTX *ctx;
if ((btmp=BIO_new(BIO_f_cipher())) == NULL)
{
PKCS7err(PKCS7_F_PKCS7_DATAINIT,ERR_R_BIO_LIB);
goto err;
}
+ BIO_get_cipher_ctx(btmp, &ctx);
keylen=EVP_CIPHER_key_length(evp_cipher);
ivlen=EVP_CIPHER_iv_length(evp_cipher);
-
- if (ivlen > 0)
- {
- ASN1_OCTET_STRING *os;
-
- RAND_bytes(iv,ivlen);
- os=ASN1_OCTET_STRING_new();
- ASN1_OCTET_STRING_set(os,iv,ivlen);
-/* XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX this needs to change */
- if (xalg->parameter == NULL)
- xalg->parameter=ASN1_TYPE_new();
- ASN1_TYPE_set(xalg->parameter,V_ASN1_OCTET_STRING,
- (char *)os);
- }
- RAND_bytes(key,keylen);
+ if (RAND_bytes(key,keylen) <= 0)
+ goto err;
+ xalg->algorithm = OBJ_nid2obj(EVP_CIPHER_type(evp_cipher));
+ if (ivlen > 0) RAND_pseudo_bytes(iv,ivlen);
+ EVP_CipherInit_ex(ctx, evp_cipher, NULL, key, iv, 1);
+
+ if (ivlen > 0) {
+ if (xalg->parameter == NULL)
+ xalg->parameter=ASN1_TYPE_new();
+ if(EVP_CIPHER_param_to_asn1(ctx, xalg->parameter) < 0)
+ goto err;
+ }
/* Lets do the pub key stuff :-) */
max=0;
- for (i=0; i<sk_num(rsk); i++)
+ for (i=0; i<sk_PKCS7_RECIP_INFO_num(rsk); i++)
{
- ri=(PKCS7_RECIP_INFO *)sk_value(rsk,i);
+ ri=sk_PKCS7_RECIP_INFO_value(rsk,i);
if (ri->cert == NULL)
{
PKCS7err(PKCS7_F_PKCS7_DATAINIT,PKCS7_R_MISSING_CERIPEND_INFO);
}
pkey=X509_get_pubkey(ri->cert);
jj=EVP_PKEY_size(pkey);
+ EVP_PKEY_free(pkey);
if (max < jj) max=jj;
}
- if ((tmp=(unsigned char *)Malloc(max)) == NULL)
+ if ((tmp=(unsigned char *)OPENSSL_malloc(max)) == NULL)
{
PKCS7err(PKCS7_F_PKCS7_DATAINIT,ERR_R_MALLOC_FAILURE);
goto err;
}
- for (i=0; i<sk_num(rsk); i++)
+ for (i=0; i<sk_PKCS7_RECIP_INFO_num(rsk); i++)
{
- ri=(PKCS7_RECIP_INFO *)sk_value(rsk,i);
+ ri=sk_PKCS7_RECIP_INFO_value(rsk,i);
pkey=X509_get_pubkey(ri->cert);
jj=EVP_PKEY_encrypt(tmp,key,keylen,pkey);
+ EVP_PKEY_free(pkey);
if (jj <= 0)
{
PKCS7err(PKCS7_F_PKCS7_DATAINIT,ERR_R_EVP_LIB);
- Free(tmp);
+ OPENSSL_free(tmp);
goto err;
}
- ASN1_OCTET_STRING_set(ri->enc_key,tmp,jj);
+ M_ASN1_OCTET_STRING_set(ri->enc_key,tmp,jj);
}
- Free(tmp);
-
- BIO_set_cipher(btmp,evp_cipher,key,iv,1);
+ OPENSSL_free(tmp);
+ memset(key, 0, keylen);
if (out == NULL)
out=btmp;
btmp=NULL;
}
- if (bio == NULL) /* ??????????? */
- {
- if (p7->detached)
+ if (bio == NULL) {
+ if (PKCS7_is_detached(p7))
bio=BIO_new(BIO_s_null());
- else
- {
- bio=BIO_new(BIO_s_mem());
- /* We need to set this so that when we have read all
- * the data, the encrypt BIO, if present, will read
- * EOF and encode the last few bytes */
- BIO_set_mem_eof_return(bio,0);
-
- if (PKCS7_type_is_signed(p7) &&
- PKCS7_type_is_data(p7->d.sign->contents))
- {
- ASN1_OCTET_STRING *os;
-
- os=p7->d.sign->contents->d.data;
- if (os->length > 0)
- BIO_write(bio,(char *)os->data,
- os->length);
+ else {
+ if (PKCS7_type_is_signed(p7) ) {
+ if ( PKCS7_type_is_data(p7->d.sign->contents)) {
+ ASN1_OCTET_STRING *os;
+ os=p7->d.sign->contents->d.data;
+ if (os->length > 0)
+ bio = BIO_new_mem_buf(os->data, os->length);
+ }
+ else if ( PKCS7_type_is_octet_string(p7->d.sign->contents) ) {
+ ASN1_OCTET_STRING *os;
+ os=p7->d.sign->contents->d.other->value.octet_string;
+ if (os->length > 0)
+ bio = BIO_new_mem_buf(os->data, os->length);
}
}
+ if(bio == NULL) {
+ bio=BIO_new(BIO_s_mem());
+ BIO_set_mem_eof_return(bio,0);
+ }
}
+ }
BIO_push(out,bio);
bio=NULL;
if (0)
}
/* int */
-BIO *PKCS7_dataDecode(p7,pkey,in_bio,xs)
-PKCS7 *p7;
-EVP_PKEY *pkey;
-BIO *in_bio;
-X509_STORE *xs;
+BIO *PKCS7_dataDecode(PKCS7 *p7, EVP_PKEY *pkey, BIO *in_bio, X509 *pcert)
{
int i,j;
BIO *out=NULL,*btmp=NULL,*etmp=NULL,*bio=NULL;
- char *tmp=NULL;
+ unsigned char *tmp=NULL;
X509_ALGOR *xa;
ASN1_OCTET_STRING *data_body=NULL;
- EVP_MD *evp_md;
- EVP_CIPHER *evp_cipher=NULL;
+ const EVP_MD *evp_md;
+ const EVP_CIPHER *evp_cipher=NULL;
EVP_CIPHER_CTX *evp_ctx=NULL;
X509_ALGOR *enc_alg=NULL;
- STACK *md_sk=NULL,*rsk=NULL;
+ STACK_OF(X509_ALGOR) *md_sk=NULL;
+ STACK_OF(PKCS7_RECIP_INFO) *rsk=NULL;
X509_ALGOR *xalg=NULL;
PKCS7_RECIP_INFO *ri=NULL;
-/* EVP_PKEY *pkey; */
-#if 0
- X509_STORE_CTX s_ctx;
-#endif
i=OBJ_obj2nid(p7->type);
p7->state=PKCS7_S_HEADER;
evp_cipher=EVP_get_cipherbyname(OBJ_nid2sn(OBJ_obj2nid(enc_alg->algorithm)));
if (evp_cipher == NULL)
{
- PKCS7err(PKCS7_F_PKCS7_SIGNENVELOPEDECRYPT,PKCS7_R_UNSUPPORTED_CIPHER_TYPE);
+ PKCS7err(PKCS7_F_PKCS7_DATADECODE,PKCS7_R_UNSUPPORTED_CIPHER_TYPE);
goto err;
}
xalg=p7->d.signed_and_enveloped->enc_data->algorithm;
evp_cipher=EVP_get_cipherbyname(OBJ_nid2sn(OBJ_obj2nid(enc_alg->algorithm)));
if (evp_cipher == NULL)
{
- PKCS7err(PKCS7_F_PKCS7_SIGNENVELOPEDECRYPT,PKCS7_R_UNSUPPORTED_CIPHER_TYPE);
+ PKCS7err(PKCS7_F_PKCS7_DATADECODE,PKCS7_R_UNSUPPORTED_CIPHER_TYPE);
goto err;
}
xalg=p7->d.enveloped->enc_data->algorithm;
break;
default:
- PKCS7err(PKCS7_F_PKCS7_SIGNENVELOPEDECRYPT,PKCS7_R_UNSUPPORTED_CONTENT_TYPE);
+ PKCS7err(PKCS7_F_PKCS7_DATADECODE,PKCS7_R_UNSUPPORTED_CONTENT_TYPE);
goto err;
}
/* We will be checking the signature */
if (md_sk != NULL)
{
- for (i=0; i<sk_num(md_sk); i++)
+ for (i=0; i<sk_X509_ALGOR_num(md_sk); i++)
{
- xa=(X509_ALGOR *)sk_value(md_sk,i);
+ xa=sk_X509_ALGOR_value(md_sk,i);
if ((btmp=BIO_new(BIO_f_md())) == NULL)
{
- PKCS7err(PKCS7_F_PKCS7_SIGNENVELOPEDECRYPT,ERR_R_BIO_LIB);
+ PKCS7err(PKCS7_F_PKCS7_DATADECODE,ERR_R_BIO_LIB);
goto err;
}
evp_md=EVP_get_digestbyname(OBJ_nid2sn(j));
if (evp_md == NULL)
{
- PKCS7err(PKCS7_F_PKCS7_SIGNENVELOPEDECRYPT,PKCS7_R_UNKNOWN_DIGEST_TYPE);
+ PKCS7err(PKCS7_F_PKCS7_DATADECODE,PKCS7_R_UNKNOWN_DIGEST_TYPE);
goto err;
}
if ((etmp=BIO_new(BIO_f_cipher())) == NULL)
{
- PKCS7err(PKCS7_F_PKCS7_SIGNENVELOPEDECRYPT,ERR_R_BIO_LIB);
+ PKCS7err(PKCS7_F_PKCS7_DATADECODE,ERR_R_BIO_LIB);
goto err;
}
/* It was encrypted, we need to decrypt the secret key
* with the private key */
- /* We need to find a private key for one of the people in the
- * recipentinfo list */
- if (rsk == NULL)
- return(NULL);
+ /* Find the recipientInfo which matches the passed certificate
+ * (if any)
+ */
- ri=(PKCS7_RECIP_INFO *)sk_value(rsk,0);
-#if 0
- X509_STORE_CTX_init(&s_ctx,xs,NULL,NULL);
- for (i=0; i<sk_num(rsk); i++)
- {
- ri=(PKCS7_RECIP_INFO *)sk_value(rsk,i);
- uf (X509_STORE_get_by_issuer_serial(&s_ctx,
- X509_LU_PKEY,
- ri->issuer_and_serial->issuer,
- ri->issuer_and_serial->serial,
- &ret))
- break;
+ for (i=0; i<sk_PKCS7_RECIP_INFO_num(rsk); i++) {
+ ri=sk_PKCS7_RECIP_INFO_value(rsk,i);
+ if(!X509_NAME_cmp(ri->issuer_and_serial->issuer,
+ pcert->cert_info->issuer) &&
+ !M_ASN1_INTEGER_cmp(pcert->cert_info->serialNumber,
+ ri->issuer_and_serial->serial)) break;
ri=NULL;
- }
- if (ri == NULL) return(NULL);
- pkey=ret.data.pkey;
-#endif
- if (pkey == NULL)
- {
- return(NULL);
- }
+ }
+ if (ri == NULL) {
+ PKCS7err(PKCS7_F_PKCS7_DATADECODE,
+ PKCS7_R_NO_RECIPIENT_MATCHES_CERTIFICATE);
+ goto err;
+ }
jj=EVP_PKEY_size(pkey);
- tmp=Malloc(jj+10);
+ tmp=(unsigned char *)OPENSSL_malloc(jj+10);
if (tmp == NULL)
{
- PKCS7err(PKCS7_F_PKCS7_SIGNENVELOPEDECRYPT,ERR_R_MALLOC_FAILURE);
+ PKCS7err(PKCS7_F_PKCS7_DATADECODE,ERR_R_MALLOC_FAILURE);
goto err;
}
- jj=EVP_PKEY_decrypt((unsigned char *)tmp,
- ASN1_STRING_data(ri->enc_key),
- ASN1_STRING_length(ri->enc_key),
- pkey);
+ jj=EVP_PKEY_decrypt(tmp, M_ASN1_STRING_data(ri->enc_key),
+ M_ASN1_STRING_length(ri->enc_key), pkey);
if (jj <= 0)
{
- PKCS7err(PKCS7_F_PKCS7_SIGNENVELOPEDECRYPT,ERR_R_EVP_LIB);
+ PKCS7err(PKCS7_F_PKCS7_DATADECODE,ERR_R_EVP_LIB);
goto err;
}
evp_ctx=NULL;
BIO_get_cipher_ctx(etmp,&evp_ctx);
- EVP_CipherInit(evp_ctx,evp_cipher,NULL,NULL,0);
+ EVP_CipherInit_ex(evp_ctx,evp_cipher,NULL,NULL,NULL,0);
if (EVP_CIPHER_asn1_to_param(evp_ctx,enc_alg->parameter) < 0)
- return(NULL);
-
- if (jj != EVP_CIPHER_CTX_key_length(evp_ctx))
- {
- PKCS7err(PKCS7_F_PKCS7_SIGNENVELOPEDECRYPT,PKCS7_R_DECRYPTED_KEY_IS_WRONG_LENGTH);
goto err;
- }
- EVP_CipherInit(evp_ctx,NULL,(unsigned char *)tmp,NULL,0);
+
+ if (jj != EVP_CIPHER_CTX_key_length(evp_ctx)) {
+ /* Some S/MIME clients don't use the same key
+ * and effective key length. The key length is
+ * determined by the size of the decrypted RSA key.
+ */
+ if(!EVP_CIPHER_CTX_set_key_length(evp_ctx, jj))
+ {
+ PKCS7err(PKCS7_F_PKCS7_DATADECODE,
+ PKCS7_R_DECRYPTED_KEY_IS_WRONG_LENGTH);
+ goto err;
+ }
+ }
+ EVP_CipherInit_ex(evp_ctx,NULL,NULL,tmp,NULL,0);
memset(tmp,0,jj);
}
#if 1
- if (p7->detached || (in_bio != NULL))
+ if (PKCS7_is_detached(p7) || (in_bio != NULL))
{
bio=in_bio;
}
else
{
+#if 0
bio=BIO_new(BIO_s_mem());
/* We need to set this so that when we have read all
* the data, the encrypt BIO, if present, will read
if (data_body->length > 0)
BIO_write(bio,(char *)data_body->data,data_body->length);
+#else
+ if (data_body->length > 0)
+ bio = BIO_new_mem_buf(data_body->data,data_body->length);
+ else {
+ bio=BIO_new(BIO_s_mem());
+ BIO_set_mem_eof_return(bio,0);
+ }
+#endif
}
BIO_push(out,bio);
bio=NULL;
out=NULL;
}
if (tmp != NULL)
- Free(tmp);
+ OPENSSL_free(tmp);
return(out);
}
-#endif
-int PKCS7_dataFinal(p7,bio)
-PKCS7 *p7;
-BIO *bio;
+int PKCS7_dataFinal(PKCS7 *p7, BIO *bio)
{
int ret=0;
int i,j;
BUF_MEM *buf=NULL;
PKCS7_SIGNER_INFO *si;
EVP_MD_CTX *mdc,ctx_tmp;
- STACK *sk,*si_sk=NULL;
- unsigned char *p,*pp=NULL;
- int x;
+ STACK_OF(X509_ATTRIBUTE) *sk;
+ STACK_OF(PKCS7_SIGNER_INFO) *si_sk=NULL;
ASN1_OCTET_STRING *os=NULL;
i=OBJ_obj2nid(p7->type);
case NID_pkcs7_signedAndEnveloped:
/* XXXXXXXXXXXXXXXX */
si_sk=p7->d.signed_and_enveloped->signer_info;
- os=ASN1_OCTET_STRING_new();
+ os=M_ASN1_OCTET_STRING_new();
p7->d.signed_and_enveloped->enc_data->enc_data=os;
break;
case NID_pkcs7_enveloped:
/* XXXXXXXXXXXXXXXX */
- os=ASN1_OCTET_STRING_new();
+ os=M_ASN1_OCTET_STRING_new();
p7->d.enveloped->enc_data->enc_data=os;
break;
case NID_pkcs7_signed:
si_sk=p7->d.sign->signer_info;
os=p7->d.sign->contents->d.data;
+ /* If detached data then the content is excluded */
+ if(p7->detached) {
+ M_ASN1_OCTET_STRING_free(os);
+ p7->d.sign->contents->d.data = NULL;
+ }
break;
}
PKCS7err(PKCS7_F_PKCS7_DATASIGN,ERR_R_BIO_LIB);
goto err;
}
- for (i=0; i<sk_num(si_sk); i++)
+ for (i=0; i<sk_PKCS7_SIGNER_INFO_num(si_sk); i++)
{
- si=(PKCS7_SIGNER_INFO *)
- sk_value(si_sk,i);
+ si=sk_PKCS7_SIGNER_INFO_value(si_sk,i);
if (si->pkey == NULL) continue;
j=OBJ_obj2nid(si->digest_alg->algorithm);
BIO_get_md_ctx(btmp,&mdc);
if (mdc == NULL)
{
- PKCS7err(PKCS7_F_PKCS7_DATASIGN,PKCS7_R_INTERNAL_ERROR);
+ PKCS7err(PKCS7_F_PKCS7_DATASIGN,ERR_R_INTERNAL_ERROR);
goto err;
}
- if (EVP_MD_type(EVP_MD_CTX_type(mdc)) == j)
+ if (EVP_MD_CTX_type(mdc) == j)
break;
else
- btmp=btmp->next_bio;
+ btmp=BIO_next(btmp);
}
/* We now have the EVP_MD_CTX, lets do the
* signing. */
- memcpy(&ctx_tmp,mdc,sizeof(ctx_tmp));
+ EVP_MD_CTX_init(&ctx_tmp);
+ EVP_MD_CTX_copy_ex(&ctx_tmp,mdc);
if (!BUF_MEM_grow(buf,EVP_PKEY_size(si->pkey)))
{
PKCS7err(PKCS7_F_PKCS7_DATASIGN,ERR_R_BIO_LIB);
/* If there are attributes, we add the digest
* attribute and only sign the attributes */
- if ((sk != NULL) && (sk_num(sk) != 0))
+ if ((sk != NULL) && (sk_X509_ATTRIBUTE_num(sk) != 0))
{
- unsigned char md_data[EVP_MAX_MD_SIZE];
- unsigned int md_len;
+ unsigned char md_data[EVP_MAX_MD_SIZE], *abuf=NULL;
+ unsigned int md_len, alen;
ASN1_OCTET_STRING *digest;
ASN1_UTCTIME *sign_time;
- EVP_MD *md_tmp;
+ const EVP_MD *md_tmp;
- /* Add signing time */
- sign_time=X509_gmtime_adj(NULL,0);
- PKCS7_add_signed_attribute(si,
- NID_pkcs9_signingTime,
- V_ASN1_UTCTIME,(char *)sign_time);
+ /* Add signing time if not already present */
+ if (!PKCS7_get_signed_attribute(si,
+ NID_pkcs9_signingTime))
+ {
+ sign_time=X509_gmtime_adj(NULL,0);
+ PKCS7_add_signed_attribute(si,
+ NID_pkcs9_signingTime,
+ V_ASN1_UTCTIME,sign_time);
+ }
/* Add digest */
- md_tmp=EVP_MD_CTX_type(&ctx_tmp);
- EVP_DigestFinal(&ctx_tmp,md_data,&md_len);
- digest=ASN1_OCTET_STRING_new();
- ASN1_OCTET_STRING_set(digest,md_data,md_len);
- PKCS7_add_signed_attribute(si,NID_pkcs9_messageDigest,
- V_ASN1_OCTET_STRING,(char *)digest);
-
- /* Now sign the mess */
- EVP_SignInit(&ctx_tmp,md_tmp);
- x=i2d_ASN1_SET(sk,NULL,i2d_X509_ATTRIBUTE,
- V_ASN1_SET,V_ASN1_UNIVERSAL);
- pp=(unsigned char *)Malloc(x);
- p=pp;
- i2d_ASN1_SET(sk,&p,i2d_X509_ATTRIBUTE,
- V_ASN1_SET,V_ASN1_UNIVERSAL);
- EVP_SignUpdate(&ctx_tmp,pp,x);
- Free(pp);
- pp=NULL;
+ md_tmp=EVP_MD_CTX_md(&ctx_tmp);
+ EVP_DigestFinal_ex(&ctx_tmp,md_data,&md_len);
+ digest=M_ASN1_OCTET_STRING_new();
+ M_ASN1_OCTET_STRING_set(digest,md_data,md_len);
+ PKCS7_add_signed_attribute(si,
+ NID_pkcs9_messageDigest,
+ V_ASN1_OCTET_STRING,digest);
+
+ /* Now sign the attributes */
+ EVP_SignInit_ex(&ctx_tmp,md_tmp,NULL);
+ alen = ASN1_item_i2d((ASN1_VALUE *)sk,&abuf,
+ ASN1_ITEM_rptr(PKCS7_ATTR_SIGN));
+ if(!abuf) goto err;
+ EVP_SignUpdate(&ctx_tmp,abuf,alen);
+ OPENSSL_free(abuf);
}
+#ifndef OPENSSL_NO_DSA
if (si->pkey->type == EVP_PKEY_DSA)
ctx_tmp.digest=EVP_dss1();
+#endif
if (!EVP_SignFinal(&ctx_tmp,(unsigned char *)buf->data,
(unsigned int *)&buf->length,si->pkey))
}
}
- if (p7->detached)
- ASN1_OCTET_STRING_set(os,(unsigned char *)"",0);
- else
+ if (!PKCS7_is_detached(p7))
{
btmp=BIO_find_type(bio,BIO_TYPE_MEM);
if (btmp == NULL)
goto err;
}
BIO_get_mem_ptr(btmp,&buf_mem);
- ASN1_OCTET_STRING_set(os,
+ /* Mark the BIO read only then we can use its copy of the data
+ * instead of making an extra copy.
+ */
+ BIO_set_flags(btmp, BIO_FLAGS_MEM_RDONLY);
+ BIO_set_mem_eof_return(btmp, 0);
+ os->data = (unsigned char *)buf_mem->data;
+ os->length = buf_mem->length;
+#if 0
+ M_ASN1_OCTET_STRING_set(os,
(unsigned char *)buf_mem->data,buf_mem->length);
+#endif
}
- if (pp != NULL) Free(pp);
- pp=NULL;
-
ret=1;
err:
+ EVP_MD_CTX_cleanup(&ctx_tmp);
if (buf != NULL) BUF_MEM_free(buf);
return(ret);
}
-int PKCS7_dataVerify(cert_store,ctx,bio,p7,si)
-X509_STORE *cert_store;
-X509_STORE_CTX *ctx;
-BIO *bio;
-PKCS7 *p7;
-PKCS7_SIGNER_INFO *si;
+int PKCS7_dataVerify(X509_STORE *cert_store, X509_STORE_CTX *ctx, BIO *bio,
+ PKCS7 *p7, PKCS7_SIGNER_INFO *si)
{
-/* PKCS7_SIGNED *s; */
- ASN1_OCTET_STRING *os;
- EVP_MD_CTX mdc_tmp,*mdc;
- unsigned char *pp,*p;
PKCS7_ISSUER_AND_SERIAL *ias;
int ret=0,i;
- int md_type;
- STACK *sk,*cert;
- BIO *btmp;
+ STACK_OF(X509) *cert;
X509 *x509;
if (PKCS7_type_is_signed(p7))
}
/* Lets verify */
- X509_STORE_CTX_init(ctx,cert_store,x509,cert);
+ if(!X509_STORE_CTX_init(ctx,cert_store,x509,cert))
+ {
+ PKCS7err(PKCS7_F_PKCS7_DATAVERIFY,ERR_R_X509_LIB);
+ goto err;
+ }
+ X509_STORE_CTX_set_purpose(ctx, X509_PURPOSE_SMIME_SIGN);
i=X509_verify_cert(ctx);
if (i <= 0)
{
PKCS7err(PKCS7_F_PKCS7_DATAVERIFY,ERR_R_X509_LIB);
+ X509_STORE_CTX_cleanup(ctx);
goto err;
}
X509_STORE_CTX_cleanup(ctx);
- /* So we like 'x509', lets check the signature. */
+ return PKCS7_signatureVerify(bio, p7, si, x509);
+ err:
+ return ret;
+ }
+
+int PKCS7_signatureVerify(BIO *bio, PKCS7 *p7, PKCS7_SIGNER_INFO *si,
+ X509 *x509)
+ {
+ ASN1_OCTET_STRING *os;
+ EVP_MD_CTX mdc_tmp,*mdc;
+ int ret=0,i;
+ int md_type;
+ STACK_OF(X509_ATTRIBUTE) *sk;
+ BIO *btmp;
+ EVP_PKEY *pkey;
+
+ EVP_MD_CTX_init(&mdc_tmp);
+
+ if (!PKCS7_type_is_signed(p7) &&
+ !PKCS7_type_is_signedAndEnveloped(p7)) {
+ PKCS7err(PKCS7_F_PKCS7_SIGNATUREVERIFY,
+ PKCS7_R_WRONG_PKCS7_TYPE);
+ goto err;
+ }
+
md_type=OBJ_obj2nid(si->digest_alg->algorithm);
btmp=bio;
if ((btmp == NULL) ||
((btmp=BIO_find_type(btmp,BIO_TYPE_MD)) == NULL))
{
- PKCS7err(PKCS7_F_PKCS7_DATAVERIFY,PKCS7_R_UNABLE_TO_FIND_MESSAGE_DIGEST);
+ PKCS7err(PKCS7_F_PKCS7_SIGNATUREVERIFY,
+ PKCS7_R_UNABLE_TO_FIND_MESSAGE_DIGEST);
goto err;
}
BIO_get_md_ctx(btmp,&mdc);
if (mdc == NULL)
{
- PKCS7err(PKCS7_F_PKCS7_DATAVERIFY,PKCS7_R_INTERNAL_ERROR);
+ PKCS7err(PKCS7_F_PKCS7_SIGNATUREVERIFY,
+ ERR_R_INTERNAL_ERROR);
goto err;
}
- if (EVP_MD_type(EVP_MD_CTX_type(mdc)) == md_type)
+ if (EVP_MD_CTX_type(mdc) == md_type)
break;
- btmp=btmp->next_bio;
+ btmp=BIO_next(btmp);
}
/* mdc is the digest ctx that we want, unless there are attributes,
* in which case the digest is the signed attributes */
- memcpy(&mdc_tmp,mdc,sizeof(mdc_tmp));
+ EVP_MD_CTX_copy_ex(&mdc_tmp,mdc);
sk=si->auth_attr;
- if ((sk != NULL) && (sk_num(sk) != 0))
+ if ((sk != NULL) && (sk_X509_ATTRIBUTE_num(sk) != 0))
{
- unsigned char md_dat[EVP_MAX_MD_SIZE];
- int md_len;
+ unsigned char md_dat[EVP_MAX_MD_SIZE], *abuf = NULL;
+ unsigned int md_len, alen;
ASN1_OCTET_STRING *message_digest;
- EVP_DigestFinal(&mdc_tmp,md_dat,&md_len);
+ EVP_DigestFinal_ex(&mdc_tmp,md_dat,&md_len);
message_digest=PKCS7_digest_from_attributes(sk);
if (!message_digest)
{
- PKCS7err(PKCS7_F_PKCS7_DATAVERIFY,PKCS7_R_UNABLE_TO_FIND_MESSAGE_DIGEST);
+ PKCS7err(PKCS7_F_PKCS7_SIGNATUREVERIFY,
+ PKCS7_R_UNABLE_TO_FIND_MESSAGE_DIGEST);
goto err;
}
- if ((message_digest->length != md_len) ||
+ if ((message_digest->length != (int)md_len) ||
(memcmp(message_digest->data,md_dat,md_len)))
{
#if 0
for (ii=0; ii<md_len; ii++) printf("%02X",md_dat[ii]); printf(" calc\n");
}
#endif
- PKCS7err(PKCS7_F_PKCS7_DATAVERIFY,PKCS7_R_DIGEST_FAILURE);
+ PKCS7err(PKCS7_F_PKCS7_SIGNATUREVERIFY,
+ PKCS7_R_DIGEST_FAILURE);
ret= -1;
goto err;
}
- EVP_VerifyInit(&mdc_tmp,EVP_get_digestbynid(md_type));
- i=i2d_ASN1_SET(sk,NULL,i2d_X509_ATTRIBUTE,
- V_ASN1_SET,V_ASN1_UNIVERSAL);
- pp=(unsigned char *)Malloc(i);
- p=pp;
- i2d_ASN1_SET(sk,&p,i2d_X509_ATTRIBUTE,
- V_ASN1_SET,V_ASN1_UNIVERSAL);
- EVP_VerifyUpdate(&mdc_tmp,pp,i);
- Free(pp);
+ EVP_VerifyInit_ex(&mdc_tmp,EVP_get_digestbynid(md_type), NULL);
+
+ alen = ASN1_item_i2d((ASN1_VALUE *)sk, &abuf,
+ ASN1_ITEM_rptr(PKCS7_ATTR_VERIFY));
+ EVP_VerifyUpdate(&mdc_tmp, abuf, alen);
+
+ OPENSSL_free(abuf);
}
os=si->enc_digest;
- if (X509_get_pubkey(x509)->type == EVP_PKEY_DSA)
- mdc_tmp.digest=EVP_dss1();
+ pkey = X509_get_pubkey(x509);
+ if (!pkey)
+ {
+ ret = -1;
+ goto err;
+ }
+#ifndef OPENSSL_NO_DSA
+ if(pkey->type == EVP_PKEY_DSA) mdc_tmp.digest=EVP_dss1();
+#endif
- i=EVP_VerifyFinal(&mdc_tmp,os->data,os->length,
- X509_get_pubkey(x509));
+ i=EVP_VerifyFinal(&mdc_tmp,os->data,os->length, pkey);
+ EVP_PKEY_free(pkey);
if (i <= 0)
{
- PKCS7err(PKCS7_F_PKCS7_DATAVERIFY,PKCS7_R_SIGNATURE_FAILURE);
+ PKCS7err(PKCS7_F_PKCS7_SIGNATUREVERIFY,
+ PKCS7_R_SIGNATURE_FAILURE);
ret= -1;
goto err;
}
else
ret=1;
err:
+ EVP_MD_CTX_cleanup(&mdc_tmp);
return(ret);
}
-PKCS7_ISSUER_AND_SERIAL *PKCS7_get_issuer_and_serial(p7,idx)
-PKCS7 *p7;
-int idx;
+PKCS7_ISSUER_AND_SERIAL *PKCS7_get_issuer_and_serial(PKCS7 *p7, int idx)
{
- STACK *rsk;
+ STACK_OF(PKCS7_RECIP_INFO) *rsk;
PKCS7_RECIP_INFO *ri;
int i;
i=OBJ_obj2nid(p7->type);
if (i != NID_pkcs7_signedAndEnveloped) return(NULL);
rsk=p7->d.signed_and_enveloped->recipientinfo;
- ri=(PKCS7_RECIP_INFO *)sk_value(rsk,0);
- if (sk_num(rsk) <= idx) return(NULL);
- ri=(PKCS7_RECIP_INFO *)sk_value(rsk,idx);
+ ri=sk_PKCS7_RECIP_INFO_value(rsk,0);
+ if (sk_PKCS7_RECIP_INFO_num(rsk) <= idx) return(NULL);
+ ri=sk_PKCS7_RECIP_INFO_value(rsk,idx);
return(ri->issuer_and_serial);
}
-ASN1_TYPE *PKCS7_get_signed_attribute(si,nid)
-PKCS7_SIGNER_INFO *si;
-int nid;
+ASN1_TYPE *PKCS7_get_signed_attribute(PKCS7_SIGNER_INFO *si, int nid)
{
return(get_attribute(si->auth_attr,nid));
}
-ASN1_TYPE *PKCS7_get_attribute(si,nid)
-PKCS7_SIGNER_INFO *si;
-int nid;
+ASN1_TYPE *PKCS7_get_attribute(PKCS7_SIGNER_INFO *si, int nid)
{
return(get_attribute(si->unauth_attr,nid));
}
-static ASN1_TYPE *get_attribute(sk,nid)
-STACK *sk;
-int nid;
+static ASN1_TYPE *get_attribute(STACK_OF(X509_ATTRIBUTE) *sk, int nid)
{
int i;
X509_ATTRIBUTE *xa;
ASN1_OBJECT *o;
o=OBJ_nid2obj(nid);
- if (o == NULL) return(NULL);
- for (i=0; i<sk_num(sk); i++)
+ if (!o || !sk) return(NULL);
+ for (i=0; i<sk_X509_ATTRIBUTE_num(sk); i++)
{
- xa=(X509_ATTRIBUTE *)sk_value(sk,i);
+ xa=sk_X509_ATTRIBUTE_value(sk,i);
if (OBJ_cmp(xa->object,o) == 0)
{
- if (xa->set && sk_num(xa->value.set))
- return((ASN1_TYPE *)sk_value(xa->value.set,0));
+ if (!xa->single && sk_ASN1_TYPE_num(xa->value.set))
+ return(sk_ASN1_TYPE_value(xa->value.set,0));
else
return(NULL);
}
return(NULL);
}
-ASN1_OCTET_STRING *PKCS7_digest_from_attributes(sk)
-STACK *sk;
- {
- X509_ATTRIBUTE *attr;
+ASN1_OCTET_STRING *PKCS7_digest_from_attributes(STACK_OF(X509_ATTRIBUTE) *sk)
+{
ASN1_TYPE *astype;
- int i;
- if (!sk || !sk_num(sk)) return NULL;
- /* Search the attributes for a digest */
- for (i = 0; i < sk_num(sk); i++)
- {
- attr = (X509_ATTRIBUTE *) sk_value(sk, i);
- if (OBJ_obj2nid(attr->object) == NID_pkcs9_messageDigest)
- {
- if (!attr->set) return NULL;
- if (!attr->value.set ||
- !sk_num (attr->value.set) ) return NULL;
- astype = (ASN1_TYPE *) sk_value(attr->value.set, 0);
- return astype->value.octet_string;
- }
- }
- return NULL;
- }
+ if(!(astype = get_attribute(sk, NID_pkcs9_messageDigest))) return NULL;
+ return astype->value.octet_string;
+}
-int PKCS7_set_signed_attributes(p7si,sk)
-PKCS7_SIGNER_INFO *p7si;
-STACK *sk;
+int PKCS7_set_signed_attributes(PKCS7_SIGNER_INFO *p7si,
+ STACK_OF(X509_ATTRIBUTE) *sk)
{
int i;
if (p7si->auth_attr != NULL)
- sk_pop_free(p7si->auth_attr,X509_ATTRIBUTE_free);
- p7si->auth_attr=sk_dup(sk);
- for (i=0; i<sk_num(sk); i++)
+ sk_X509_ATTRIBUTE_pop_free(p7si->auth_attr,X509_ATTRIBUTE_free);
+ p7si->auth_attr=sk_X509_ATTRIBUTE_dup(sk);
+ for (i=0; i<sk_X509_ATTRIBUTE_num(sk); i++)
{
- if ((sk_value(p7si->auth_attr,i)=(char *)X509_ATTRIBUTE_dup(
- (X509_ATTRIBUTE *)sk_value(sk,i))) == NULL)
+ if ((sk_X509_ATTRIBUTE_set(p7si->auth_attr,i,
+ X509_ATTRIBUTE_dup(sk_X509_ATTRIBUTE_value(sk,i))))
+ == NULL)
return(0);
}
return(1);
}
-int PKCS7_set_attributes(p7si,sk)
-PKCS7_SIGNER_INFO *p7si;
-STACK *sk;
+int PKCS7_set_attributes(PKCS7_SIGNER_INFO *p7si, STACK_OF(X509_ATTRIBUTE) *sk)
{
int i;
if (p7si->unauth_attr != NULL)
- sk_pop_free(p7si->unauth_attr,X509_ATTRIBUTE_free);
- p7si->unauth_attr=sk_dup(sk);
- for (i=0; i<sk_num(sk); i++)
+ sk_X509_ATTRIBUTE_pop_free(p7si->unauth_attr,
+ X509_ATTRIBUTE_free);
+ p7si->unauth_attr=sk_X509_ATTRIBUTE_dup(sk);
+ for (i=0; i<sk_X509_ATTRIBUTE_num(sk); i++)
{
- if ((sk_value(p7si->unauth_attr,i)=(char *)X509_ATTRIBUTE_dup(
- (X509_ATTRIBUTE *)sk_value(sk,i))) == NULL)
+ if ((sk_X509_ATTRIBUTE_set(p7si->unauth_attr,i,
+ X509_ATTRIBUTE_dup(sk_X509_ATTRIBUTE_value(sk,i))))
+ == NULL)
return(0);
}
return(1);
}
-int PKCS7_add_signed_attribute(p7si,nid,atrtype,value)
-PKCS7_SIGNER_INFO *p7si;
-int nid;
-int atrtype;
-char *value;
+int PKCS7_add_signed_attribute(PKCS7_SIGNER_INFO *p7si, int nid, int atrtype,
+ void *value)
{
return(add_attribute(&(p7si->auth_attr),nid,atrtype,value));
}
-int PKCS7_add_attribute(p7si,nid,atrtype,value)
-PKCS7_SIGNER_INFO *p7si;
-int nid;
-int atrtype;
-char *value;
+int PKCS7_add_attribute(PKCS7_SIGNER_INFO *p7si, int nid, int atrtype,
+ void *value)
{
return(add_attribute(&(p7si->unauth_attr),nid,atrtype,value));
}
-static int add_attribute(sk, nid, atrtype, value)
-STACK **sk;
-int nid;
-int atrtype;
-char *value;
+static int add_attribute(STACK_OF(X509_ATTRIBUTE) **sk, int nid, int atrtype,
+ void *value)
{
X509_ATTRIBUTE *attr=NULL;
- ASN1_TYPE *val=NULL;
if (*sk == NULL)
{
- *sk = sk_new(NULL);
+ *sk = sk_X509_ATTRIBUTE_new_null();
new_attrib:
attr=X509_ATTRIBUTE_create(nid,atrtype,value);
- sk_push(*sk,(char *)attr);
+ sk_X509_ATTRIBUTE_push(*sk,attr);
}
else
{
int i;
- for (i=0; i<sk_num(*sk); i++)
+ for (i=0; i<sk_X509_ATTRIBUTE_num(*sk); i++)
{
- attr=(X509_ATTRIBUTE *)sk_value(*sk,i);
+ attr=sk_X509_ATTRIBUTE_value(*sk,i);
if (OBJ_obj2nid(attr->object) == nid)
{
X509_ATTRIBUTE_free(attr);
attr=X509_ATTRIBUTE_create(nid,atrtype,value);
- sk_value(*sk,i)=(char *)attr;
+ sk_X509_ATTRIBUTE_set(*sk,i,attr);
goto end;
}
}
projects / openssl.git / blobdiff