#include <openssl/rand.h>
#include <openssl/objects.h>
#include <openssl/x509.h>
+#include <openssl/x509v3.h>
static int add_attribute(STACK_OF(X509_ATTRIBUTE) **sk, int nid, int atrtype,
void *value);
const EVP_MD *evp_md;
const EVP_CIPHER *evp_cipher=NULL;
STACK_OF(X509_ALGOR) *md_sk=NULL;
- STACK *rsk=NULL;
+ STACK_OF(PKCS7_RECIP_INFO) *rsk=NULL;
X509_ALGOR *xalg=NULL;
PKCS7_RECIP_INFO *ri=NULL;
EVP_PKEY *pkey;
BIO_get_cipher_ctx(btmp, &ctx);
keylen=EVP_CIPHER_key_length(evp_cipher);
ivlen=EVP_CIPHER_iv_length(evp_cipher);
- 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_bytes(iv,ivlen);
+ if (ivlen > 0) RAND_pseudo_bytes(iv,ivlen);
EVP_CipherInit(ctx, evp_cipher, key, iv, 1);
if (ivlen > 0) {
/* 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);
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);
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);
memset(key, 0, keylen);
btmp=NULL;
}
- if (bio == NULL) /* ??????????? */
- {
+ if (bio == NULL) {
if (p7->detached)
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);
-
+ else {
if (PKCS7_type_is_signed(p7) &&
- PKCS7_type_is_data(p7->d.sign->contents))
- {
+ 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);
- }
+ 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 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;
const EVP_MD *evp_md;
EVP_CIPHER_CTX *evp_ctx=NULL;
X509_ALGOR *enc_alg=NULL;
STACK_OF(X509_ALGOR) *md_sk=NULL;
- STACK *rsk=NULL;
+ STACK_OF(PKCS7_RECIP_INFO) *rsk=NULL;
X509_ALGOR *xalg=NULL;
PKCS7_RECIP_INFO *ri=NULL;
+#ifndef NO_RC2
+ char is_rc2 = 0;
+#endif
/* EVP_PKEY *pkey; */
#if 0
X509_STORE_CTX s_ctx;
goto err;
}
+ if(EVP_CIPHER_nid(evp_cipher) == NID_rc2_cbc)
+ {
+#ifndef NO_RC2
+ is_rc2 = 1;
+#else
+ PKCS7err(PKCS7_F_PKCS7_DATADECODE,PKCS7_R_UNSUPPORTED_CIPHER_TYPE);
+ goto err;
+#endif
+ }
+
/* We will be checking the signature */
if (md_sk != NULL)
{
* (if any)
*/
- for (i=0; i<sk_num(rsk); i++) {
- ri=(PKCS7_RECIP_INFO *)sk_value(rsk,i);
+ 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) &&
- !ASN1_INTEGER_cmp(pcert->cert_info->serialNumber,
+ !M_ASN1_INTEGER_cmp(pcert->cert_info->serialNumber,
ri->issuer_and_serial->serial)) break;
ri=NULL;
}
}
jj=EVP_PKEY_size(pkey);
- tmp=Malloc(jj+10);
+ tmp=(unsigned char *)Malloc(jj+10);
if (tmp == NULL)
{
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_DATADECODE,ERR_R_EVP_LIB);
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_DATADECODE,
+ if (jj != EVP_CIPHER_CTX_key_length(evp_ctx)) {
+ /* HACK: 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.
+ * So we hack things to manually set the RC2 key
+ * because we currently can't do this with the EVP
+ * interface.
+ */
+#ifndef NO_RC2
+ if(is_rc2) RC2_set_key(&(evp_ctx->c.rc2_ks),jj, tmp,
+ EVP_CIPHER_CTX_key_length(evp_ctx)*8);
+ else
+#endif
+ {
+ PKCS7err(PKCS7_F_PKCS7_DATADECODE,
PKCS7_R_DECRYPTED_KEY_IS_WRONG_LENGTH);
- goto err;
- }
- EVP_CipherInit(evp_ctx,NULL,(unsigned char *)tmp,NULL,0);
+ goto err;
+ }
+ } else EVP_CipherInit(evp_ctx,NULL,tmp,NULL,0);
memset(tmp,0,jj);
}
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;
PKCS7_SIGNER_INFO *si;
EVP_MD_CTX *mdc,ctx_tmp;
STACK_OF(X509_ATTRIBUTE) *sk;
- STACK *si_sk=NULL;
+ STACK_OF(PKCS7_SIGNER_INFO) *si_sk=NULL;
unsigned char *p,*pp=NULL;
int x;
ASN1_OCTET_STRING *os=NULL;
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:
os=p7->d.sign->contents->d.data;
/* If detached data then the content is excluded */
if(p7->detached) {
- ASN1_OCTET_STRING_free(os);
+ 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);
PKCS7err(PKCS7_F_PKCS7_DATASIGN,PKCS7_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;
V_ASN1_UTCTIME,sign_time);
/* Add digest */
- md_tmp=EVP_MD_CTX_type(&ctx_tmp);
+ md_tmp=EVP_MD_CTX_md(&ctx_tmp);
EVP_DigestFinal(&ctx_tmp,md_data,&md_len);
- digest=ASN1_OCTET_STRING_new();
- ASN1_OCTET_STRING_set(digest,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);
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;
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_OF(X509_ATTRIBUTE) *sk;
STACK_OF(X509) *cert;
- BIO *btmp;
X509 *x509;
- EVP_PKEY *pkey;
if (PKCS7_type_is_signed(p7))
{
/* Lets verify */
X509_STORE_CTX_init(ctx,cert_store,x509,cert);
+ X509_STORE_CTX_set_purpose(ctx, X509_PURPOSE_SMIME_SIGN);
i=X509_verify_cert(ctx);
if (i <= 0)
{
}
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;
+ unsigned char *pp,*p;
+ int ret=0,i;
+ int md_type;
+ STACK_OF(X509_ATTRIBUTE) *sk;
+ BIO *btmp;
+ EVP_PKEY *pkey;
+
+ 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,
+ PKCS7_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;
}
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 != (int)md_len) ||
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_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;
}
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);
}