return NULL;
}
+static int do_pkcs7_signed_attrib(PKCS7_SIGNER_INFO *si, EVP_MD_CTX *mctx)
+ {
+ unsigned char md_data[EVP_MAX_MD_SIZE];
+ unsigned int md_len;
+
+ /* Add signing time if not already present */
+ if (!PKCS7_get_signed_attribute(si, NID_pkcs9_signingTime))
+ {
+ if (!PKCS7_add0_attrib_signing_time(si, NULL))
+ {
+ PKCS7err(PKCS7_F_DO_PKCS7_SIGNED_ATTRIB,
+ ERR_R_MALLOC_FAILURE);
+ return 0;
+ }
+ }
+
+ /* Add digest */
+ EVP_DigestFinal_ex(mctx, md_data,&md_len);
+ if (!PKCS7_add1_attrib_digest(si, md_data, md_len))
+ {
+ PKCS7err(PKCS7_F_DO_PKCS7_SIGNED_ATTRIB, ERR_R_MALLOC_FAILURE);
+ return 0;
+ }
+
+ /* Now sign the attributes */
+ if (!PKCS7_SIGNER_INFO_sign(si))
+ return 0;
+
+ return 1;
+ }
+
+
int PKCS7_dataFinal(PKCS7 *p7, BIO *bio)
{
int ret=0;
int i,j;
BIO *btmp;
- BUF_MEM *buf_mem=NULL;
- BUF_MEM *buf=NULL;
PKCS7_SIGNER_INFO *si;
EVP_MD_CTX *mdc,ctx_tmp;
STACK_OF(X509_ATTRIBUTE) *sk;
if (si_sk != NULL)
{
- if ((buf=BUF_MEM_new()) == NULL)
- {
- PKCS7err(PKCS7_F_PKCS7_DATAFINAL,ERR_R_BIO_LIB);
- goto err;
- }
for (i=0; i<sk_PKCS7_SIGNER_INFO_num(si_sk); i++)
{
si=sk_PKCS7_SIGNER_INFO_value(si_sk,i);
- if (si->pkey == NULL) continue;
+ if (si->pkey == NULL)
+ continue;
- j=OBJ_obj2nid(si->digest_alg->algorithm);
+ j = OBJ_obj2nid(si->digest_alg->algorithm);
btmp=bio;
/* We now have the EVP_MD_CTX, lets do the
* signing. */
EVP_MD_CTX_copy_ex(&ctx_tmp,mdc);
- if (!BUF_MEM_grow_clean(buf,EVP_PKEY_size(si->pkey)))
- {
- PKCS7err(PKCS7_F_PKCS7_DATAFINAL,ERR_R_BIO_LIB);
- goto err;
- }
sk=si->auth_attr;
/* If there are attributes, we add the digest
* attribute and only sign the attributes */
- if ((sk != NULL) && (sk_X509_ATTRIBUTE_num(sk) != 0))
+ if (sk_X509_ATTRIBUTE_num(sk) > 0)
{
- unsigned char md_data[EVP_MAX_MD_SIZE], *abuf=NULL;
- unsigned int md_len, alen;
- ASN1_OCTET_STRING *digest;
- ASN1_UTCTIME *sign_time;
- const EVP_MD *md_tmp;
-
- /* Add signing time if not already present */
- if (!PKCS7_get_signed_attribute(si,
- NID_pkcs9_signingTime))
- {
- if (!(sign_time=X509_gmtime_adj(NULL,0)))
- {
- PKCS7err(PKCS7_F_PKCS7_DATAFINAL,
- ERR_R_MALLOC_FAILURE);
- goto err;
- }
- PKCS7_add_signed_attribute(si,
- NID_pkcs9_signingTime,
- V_ASN1_UTCTIME,sign_time);
- }
-
- /* Add digest */
- md_tmp=EVP_MD_CTX_md(&ctx_tmp);
- EVP_DigestFinal_ex(&ctx_tmp,md_data,&md_len);
- if (!(digest=M_ASN1_OCTET_STRING_new()))
- {
- PKCS7err(PKCS7_F_PKCS7_DATAFINAL,
- ERR_R_MALLOC_FAILURE);
+ if (!do_pkcs7_signed_attrib(si, &ctx_tmp))
goto err;
- }
- if (!M_ASN1_OCTET_STRING_set(digest,md_data,
- md_len))
+ }
+ else
+ {
+ unsigned char *abuf = NULL;
+ unsigned int abuflen;
+ abuflen = EVP_PKEY_size(si->pkey);
+ abuf = OPENSSL_malloc(abuflen);
+ if (!abuf)
+ goto err;
+
+ if (!EVP_SignFinal(&ctx_tmp, abuf, &abuflen,
+ si->pkey))
{
PKCS7err(PKCS7_F_PKCS7_DATAFINAL,
- ERR_R_MALLOC_FAILURE);
+ ERR_R_EVP_LIB);
goto err;
}
- 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);
- }
-
- if (!EVP_SignFinal(&ctx_tmp,(unsigned char *)buf->data,
- (unsigned int *)&buf->length,si->pkey))
- {
- PKCS7err(PKCS7_F_PKCS7_DATAFINAL,ERR_R_EVP_LIB);
- goto err;
- }
- if (!ASN1_STRING_set(si->enc_digest,
- (unsigned char *)buf->data,buf->length))
- {
- PKCS7err(PKCS7_F_PKCS7_DATAFINAL,ERR_R_ASN1_LIB);
- goto err;
+ ASN1_STRING_set0(si->enc_digest, abuf, abuflen);
}
}
}
if (!PKCS7_is_detached(p7))
{
+ char *cont;
+ long contlen;
btmp=BIO_find_type(bio,BIO_TYPE_MEM);
if (btmp == NULL)
{
PKCS7err(PKCS7_F_PKCS7_DATAFINAL,PKCS7_R_UNABLE_TO_FIND_MEM_BIO);
goto err;
}
- BIO_get_mem_ptr(btmp,&buf_mem);
+ contlen = BIO_get_mem_data(btmp, &cont);
/* 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
+ ASN1_STRING_set0(os, (unsigned char *)cont, contlen);
}
ret=1;
err:
EVP_MD_CTX_cleanup(&ctx_tmp);
- if (buf != NULL) BUF_MEM_free(buf);
return(ret);
}
+int PKCS7_SIGNER_INFO_sign(PKCS7_SIGNER_INFO *si)
+ {
+ EVP_MD_CTX mctx;
+ unsigned char *abuf = NULL;
+ int alen;
+ unsigned int siglen;
+ const EVP_MD *md = NULL;
+
+ md = EVP_get_digestbyobj(si->digest_alg->algorithm);
+ if (md == NULL)
+ return 0;
+
+ EVP_MD_CTX_init(&mctx);
+ if (!EVP_SignInit_ex(&mctx,md,NULL))
+ goto err;
+ alen = ASN1_item_i2d((ASN1_VALUE *)si->auth_attr,&abuf,
+ ASN1_ITEM_rptr(PKCS7_ATTR_SIGN));
+ if(!abuf)
+ goto err;
+ if (!EVP_SignUpdate(&mctx,abuf,alen))
+ goto err;
+ OPENSSL_free(abuf);
+ abuf = OPENSSL_malloc(EVP_PKEY_size(si->pkey));
+ if(!abuf)
+ goto err;
+ if (!EVP_SignFinal(&mctx, abuf, &siglen, si->pkey))
+ goto err;
+
+ EVP_MD_CTX_cleanup(&mctx);
+
+ ASN1_STRING_set0(si->enc_digest, abuf, siglen);
+ abuf = NULL;
+
+ return 1;
+
+ err:
+ if (abuf)
+ OPENSSL_free(abuf);
+ EVP_MD_CTX_cleanup(&mctx);
+ return 0;
+
+ }
+
+
+
+
+
int PKCS7_dataVerify(X509_STORE *cert_store, X509_STORE_CTX *ctx, BIO *bio,
PKCS7 *p7, PKCS7_SIGNER_INFO *si)
{
int PKCS7_set_content(PKCS7 *p7, PKCS7 *p7_data);
int PKCS7_SIGNER_INFO_set(PKCS7_SIGNER_INFO *p7i, X509 *x509, EVP_PKEY *pkey,
const EVP_MD *dgst);
+int PKCS7_SIGNER_INFO_sign(PKCS7_SIGNER_INFO *si);
int PKCS7_add_signer(PKCS7 *p7, PKCS7_SIGNER_INFO *p7i);
int PKCS7_add_certificate(PKCS7 *p7, X509 *x509);
int PKCS7_add_crl(PKCS7 *p7, X509_CRL *x509);
STACK_OF(X509_ALGOR) *PKCS7_get_smimecap(PKCS7_SIGNER_INFO *si);
int PKCS7_simple_smimecap(STACK_OF(X509_ALGOR) *sk, int nid, int arg);
+int PKCS7_add_attrib_content_type(PKCS7_SIGNER_INFO *si, ASN1_OBJECT *coid);
+int PKCS7_add0_attrib_signing_time(PKCS7_SIGNER_INFO *si, ASN1_TIME *t);
+int PKCS7_add1_attrib_digest(PKCS7_SIGNER_INFO *si,
+ const unsigned char *md, int mdlen);
+
int SMIME_write_PKCS7(BIO *bio, PKCS7 *p7, BIO *data, int flags);
PKCS7 *SMIME_read_PKCS7(BIO *bio, BIO **bcont);
int SMIME_crlf_copy(BIO *in, BIO *out, int flags);
/* Function codes. */
#define PKCS7_F_B64_READ_PKCS7 120
#define PKCS7_F_B64_WRITE_PKCS7 121
+#define PKCS7_F_DO_PKCS7_SIGNED_ATTRIB 136
+#define PKCS7_F_PKCS7_ADD0_ATTRIB_SIGNING_TIME 135
#define PKCS7_F_PKCS7_ADD_ATTRIB_SMIMECAP 118
#define PKCS7_F_PKCS7_ADD_CERTIFICATE 100
#define PKCS7_F_PKCS7_ADD_CRL 101
#define PKCS7_F_PKCS7_SIGN 116
#define PKCS7_F_PKCS7_SIGNATUREVERIFY 113
#define PKCS7_F_PKCS7_SIGNER_INFO_SET 129
+#define PKCS7_F_PKCS7_SIGN_ADD_SIGNER 137
#define PKCS7_F_PKCS7_SIMPLE_SMIMECAP 119
#define PKCS7_F_PKCS7_VERIFY 117
#define PKCS7_F_SMIME_READ_PKCS7 122
{
{ERR_FUNC(PKCS7_F_B64_READ_PKCS7), "B64_READ_PKCS7"},
{ERR_FUNC(PKCS7_F_B64_WRITE_PKCS7), "B64_WRITE_PKCS7"},
+{ERR_FUNC(PKCS7_F_DO_PKCS7_SIGNED_ATTRIB), "DO_PKCS7_SIGNED_ATTRIB"},
+{ERR_FUNC(PKCS7_F_PKCS7_ADD0_ATTRIB_SIGNING_TIME), "PKCS7_add0_attrib_signing_time"},
{ERR_FUNC(PKCS7_F_PKCS7_ADD_ATTRIB_SMIMECAP), "PKCS7_add_attrib_smimecap"},
{ERR_FUNC(PKCS7_F_PKCS7_ADD_CERTIFICATE), "PKCS7_add_certificate"},
{ERR_FUNC(PKCS7_F_PKCS7_ADD_CRL), "PKCS7_add_crl"},
{ERR_FUNC(PKCS7_F_PKCS7_SIGN), "PKCS7_sign"},
{ERR_FUNC(PKCS7_F_PKCS7_SIGNATUREVERIFY), "PKCS7_signatureVerify"},
{ERR_FUNC(PKCS7_F_PKCS7_SIGNER_INFO_SET), "PKCS7_SIGNER_INFO_set"},
+{ERR_FUNC(PKCS7_F_PKCS7_SIGN_ADD_SIGNER), "PKCS7_sign_add_signer"},
{ERR_FUNC(PKCS7_F_PKCS7_SIMPLE_SMIMECAP), "PKCS7_simple_smimecap"},
{ERR_FUNC(PKCS7_F_PKCS7_VERIFY), "PKCS7_verify"},
{ERR_FUNC(PKCS7_F_SMIME_READ_PKCS7), "SMIME_read_PKCS7"},
projects / oweals / openssl.git / commitdiff