コード例 #1
0
ファイル: cms_sd.c プロジェクト: hitched97/openssl
CMS_SignerInfo *CMS_add1_signer(CMS_ContentInfo *cms,
                                X509 *signer, EVP_PKEY *pk, const EVP_MD *md,
                                unsigned int flags)
{
    CMS_SignedData *sd;
    CMS_SignerInfo *si = NULL;
    X509_ALGOR *alg;
    int i, type;
    if (!X509_check_private_key(signer, pk)) {
        CMSerr(CMS_F_CMS_ADD1_SIGNER,
               CMS_R_PRIVATE_KEY_DOES_NOT_MATCH_CERTIFICATE);
        return NULL;
    }
    sd = cms_signed_data_init(cms);
    if (!sd)
        goto err;
    si = M_ASN1_new_of(CMS_SignerInfo);
    if (!si)
        goto merr;
    /* Call for side-effect of computing hash and caching extensions */
    X509_check_purpose(signer, -1, -1);

    X509_up_ref(signer);
    EVP_PKEY_up_ref(pk);

    si->pkey = pk;
    si->signer = signer;
    si->mctx = EVP_MD_CTX_new();
    si->pctx = NULL;

    if (si->mctx == NULL) {
        CMSerr(CMS_F_CMS_ADD1_SIGNER, ERR_R_MALLOC_FAILURE);
        goto err;
    }

    if (flags & CMS_USE_KEYID) {
        si->version = 3;
        if (sd->version < 3)
            sd->version = 3;
        type = CMS_SIGNERINFO_KEYIDENTIFIER;
    } else {
        type = CMS_SIGNERINFO_ISSUER_SERIAL;
        si->version = 1;
    }

    if (!cms_set1_SignerIdentifier(si->sid, signer, type))
        goto err;

    if (md == NULL) {
        int def_nid;
        if (EVP_PKEY_get_default_digest_nid(pk, &def_nid) <= 0)
            goto err;
        md = EVP_get_digestbynid(def_nid);
        if (md == NULL) {
            CMSerr(CMS_F_CMS_ADD1_SIGNER, CMS_R_NO_DEFAULT_DIGEST);
            goto err;
        }
    }

    if (!md) {
        CMSerr(CMS_F_CMS_ADD1_SIGNER, CMS_R_NO_DIGEST_SET);
        goto err;
    }

    X509_ALGOR_set_md(si->digestAlgorithm, md);

    /* See if digest is present in digestAlgorithms */
    for (i = 0; i < sk_X509_ALGOR_num(sd->digestAlgorithms); i++) {
        const ASN1_OBJECT *aoid;
        alg = sk_X509_ALGOR_value(sd->digestAlgorithms, i);
        X509_ALGOR_get0(&aoid, NULL, NULL, alg);
        if (OBJ_obj2nid(aoid) == EVP_MD_type(md))
            break;
    }

    if (i == sk_X509_ALGOR_num(sd->digestAlgorithms)) {
        alg = X509_ALGOR_new();
        if (alg == NULL)
            goto merr;
        X509_ALGOR_set_md(alg, md);
        if (!sk_X509_ALGOR_push(sd->digestAlgorithms, alg)) {
            X509_ALGOR_free(alg);
            goto merr;
        }
    }

    if (!(flags & CMS_KEY_PARAM) && !cms_sd_asn1_ctrl(si, 0))
        goto err;
    if (!(flags & CMS_NOATTR)) {
        /*
         * Initialize signed attributes structure so other attributes
         * such as signing time etc are added later even if we add none here.
         */
        if (!si->signedAttrs) {
            si->signedAttrs = sk_X509_ATTRIBUTE_new_null();
            if (!si->signedAttrs)
                goto merr;
        }

        if (!(flags & CMS_NOSMIMECAP)) {
            STACK_OF(X509_ALGOR) *smcap = NULL;
            i = CMS_add_standard_smimecap(&smcap);
            if (i)
                i = CMS_add_smimecap(si, smcap);
            sk_X509_ALGOR_pop_free(smcap, X509_ALGOR_free);
            if (!i)
                goto merr;
        }
        if (flags & CMS_REUSE_DIGEST) {
            if (!cms_copy_messageDigest(cms, si))
                goto err;
            if (!(flags & (CMS_PARTIAL | CMS_KEY_PARAM)) &&
                !CMS_SignerInfo_sign(si))
                goto err;
        }
    }

    if (!(flags & CMS_NOCERTS)) {
        /* NB ignore -1 return for duplicate cert */
        if (!CMS_add1_cert(cms, signer))
            goto merr;
    }

    if (flags & CMS_KEY_PARAM) {
        if (flags & CMS_NOATTR) {
            si->pctx = EVP_PKEY_CTX_new(si->pkey, NULL);
            if (si->pctx == NULL)
                goto err;
            if (EVP_PKEY_sign_init(si->pctx) <= 0)
                goto err;
            if (EVP_PKEY_CTX_set_signature_md(si->pctx, md) <= 0)
                goto err;
        } else if (EVP_DigestSignInit(si->mctx, &si->pctx, md, NULL, pk) <=
                   0)
            goto err;
    }

    if (!sd->signerInfos)
        sd->signerInfos = sk_CMS_SignerInfo_new_null();
    if (!sd->signerInfos || !sk_CMS_SignerInfo_push(sd->signerInfos, si))
        goto merr;

    return si;

 merr:
    CMSerr(CMS_F_CMS_ADD1_SIGNER, ERR_R_MALLOC_FAILURE);
 err:
    M_ASN1_free_of(si, CMS_SignerInfo);
    return NULL;

}
コード例 #2
0
ファイル: cms_sd.c プロジェクト: LucidOne/Rovio
CMS_SignerInfo *CMS_add1_signer(CMS_ContentInfo *cms,
			X509 *signer, EVP_PKEY *pk, const EVP_MD *md,
			unsigned int flags)
	{
	CMS_SignedData *sd;
	CMS_SignerInfo *si = NULL;
	X509_ALGOR *alg;
	int i, type;
	if(!X509_check_private_key(signer, pk))
		{
		CMSerr(CMS_F_CMS_ADD1_SIGNER,
			CMS_R_PRIVATE_KEY_DOES_NOT_MATCH_CERTIFICATE);
                return NULL;
		}
	sd = cms_signed_data_init(cms);
	if (!sd)
		goto err;
	si = M_ASN1_new_of(CMS_SignerInfo);
	if (!si)
		goto merr;
	X509_check_purpose(signer, -1, -1);

	CRYPTO_add(&pk->references, 1, CRYPTO_LOCK_EVP_PKEY);
	CRYPTO_add(&signer->references, 1, CRYPTO_LOCK_X509);

	si->pkey = pk;
	si->signer = signer;

	if (flags & CMS_USE_KEYID)
		{
		si->version = 3;
		if (sd->version < 3)
			sd->version = 3;
		type = CMS_SIGNERINFO_KEYIDENTIFIER;
		}
	else
		{
		type = CMS_SIGNERINFO_ISSUER_SERIAL;
		si->version = 1;
		}

	if (!cms_set1_SignerIdentifier(si->sid, signer, type))
		goto err;

	/* Since no EVP_PKEY_METHOD in 0.9.8 hard code SHA1 as default */
	if (md == NULL)
		md = EVP_sha1();

	/* OpenSSL 0.9.8 only supports SHA1 with non-RSA keys */

	if ((pk->type != EVP_PKEY_RSA) && (EVP_MD_type(md) != NID_sha1))
		{
		CMSerr(CMS_F_CMS_ADD1_SIGNER,
				CMS_R_NOT_SUPPORTED_FOR_THIS_KEY_TYPE);
		goto err;
		}

	cms_DigestAlgorithm_set(si->digestAlgorithm, md);

	/* See if digest is present in digestAlgorithms */
	for (i = 0; i < sk_X509_ALGOR_num(sd->digestAlgorithms); i++)
		{
		ASN1_OBJECT *aoid;
		alg = sk_X509_ALGOR_value(sd->digestAlgorithms, i);
		X509_ALGOR_get0(&aoid, NULL, NULL, alg);
		if (OBJ_obj2nid(aoid) == EVP_MD_type(md))
			break;
		}

	if (i == sk_X509_ALGOR_num(sd->digestAlgorithms))
		{
		alg = X509_ALGOR_new();
		if (!alg)
			goto merr;
		cms_DigestAlgorithm_set(alg, md);
		if (!sk_X509_ALGOR_push(sd->digestAlgorithms, alg))
			{
			X509_ALGOR_free(alg);
			goto merr;
			}
		}

	/* Since we have no EVP_PKEY_ASN1_METHOD in OpenSSL 0.9.8,
	 * hard code algorithm parameters.
	 */

	switch (pk->type)
		{

		case EVP_PKEY_RSA:
		X509_ALGOR_set0(si->signatureAlgorithm,
					OBJ_nid2obj(NID_rsaEncryption),
					V_ASN1_NULL, 0);
		break;

		case EVP_PKEY_DSA:
		X509_ALGOR_set0(si->signatureAlgorithm,
					OBJ_nid2obj(NID_dsaWithSHA1),
					V_ASN1_UNDEF, 0);
		break;


		case EVP_PKEY_EC:
		X509_ALGOR_set0(si->signatureAlgorithm,
					OBJ_nid2obj(NID_ecdsa_with_SHA1),
					V_ASN1_UNDEF, 0);
		break;

		default:
		CMSerr(CMS_F_CMS_ADD1_SIGNER,
				CMS_R_NOT_SUPPORTED_FOR_THIS_KEY_TYPE);
		goto err;

		}

	if (!(flags & CMS_NOATTR))
		{
		/* Initialialize signed attributes strutucture so other
		 * attributes such as signing time etc are added later
		 * even if we add none here.
		 */
		if (!si->signedAttrs)
			{
			si->signedAttrs = sk_X509_ATTRIBUTE_new_null();
			if (!si->signedAttrs)
				goto merr;
			}

		if (!(flags & CMS_NOSMIMECAP))
			{
			STACK_OF(X509_ALGOR) *smcap = NULL;
			i = CMS_add_standard_smimecap(&smcap);
			if (i)
				i = CMS_add_smimecap(si, smcap);
			sk_X509_ALGOR_pop_free(smcap, X509_ALGOR_free);
			if (!i)
				goto merr;
			}
		if (flags & CMS_REUSE_DIGEST)
			{
			if (!cms_copy_messageDigest(cms, si))
				goto err;
			if (!(flags & CMS_PARTIAL) &&
					!CMS_SignerInfo_sign(si))
				goto err;
			}
		}

	if (!(flags & CMS_NOCERTS))
		{
		/* NB ignore -1 return for duplicate cert */
		if (!CMS_add1_cert(cms, signer))
			goto merr;
		}

	if (!sd->signerInfos)
		sd->signerInfos = sk_CMS_SignerInfo_new_null();
	if (!sd->signerInfos ||
		!sk_CMS_SignerInfo_push(sd->signerInfos, si))
		goto merr;

	return si;

	merr:
	CMSerr(CMS_F_CMS_ADD1_SIGNER, ERR_R_MALLOC_FAILURE);
	err:
	if (si)
		M_ASN1_free_of(si, CMS_SignerInfo);
	return NULL;

	}
コード例 #3
0
ファイル: cms_sd.c プロジェクト: 1Project/SafeBoardMessenger
CMS_SignerInfo *CMS_add1_signer(CMS_ContentInfo *cms,
                                X509 *signer, EVP_PKEY *pk, const EVP_MD *md,
                                unsigned int flags)
{
    CMS_SignedData *sd;
    CMS_SignerInfo *si = NULL;
    X509_ALGOR *alg;
    int i, type;
    if (!X509_check_private_key(signer, pk)) {
        CMSerr(CMS_F_CMS_ADD1_SIGNER,
               CMS_R_PRIVATE_KEY_DOES_NOT_MATCH_CERTIFICATE);
        return NULL;
    }
    sd = cms_signed_data_init(cms);
    if (!sd)
        goto err;
    si = M_ASN1_new_of(CMS_SignerInfo);
    if (!si)
        goto merr;
    X509_check_purpose(signer, -1, -1);

    CRYPTO_add(&pk->references, 1, CRYPTO_LOCK_EVP_PKEY);
    CRYPTO_add(&signer->references, 1, CRYPTO_LOCK_X509);

    si->pkey = pk;
    si->signer = signer;

    if (flags & CMS_USE_KEYID) {
        si->version = 3;
        if (sd->version < 3)
            sd->version = 3;
        type = CMS_SIGNERINFO_KEYIDENTIFIER;
    } else {
        type = CMS_SIGNERINFO_ISSUER_SERIAL;
        si->version = 1;
    }

    if (!cms_set1_SignerIdentifier(si->sid, signer, type))
        goto err;

    if (md == NULL) {
        int def_nid;
        if (EVP_PKEY_get_default_digest_nid(pk, &def_nid) <= 0)
            goto err;
        md = EVP_get_digestbynid(def_nid);
        if (md == NULL) {
            CMSerr(CMS_F_CMS_ADD1_SIGNER, CMS_R_NO_DEFAULT_DIGEST);
            goto err;
        }
    }

    if (!md) {
        CMSerr(CMS_F_CMS_ADD1_SIGNER, CMS_R_NO_DIGEST_SET);
        goto err;
    }

    cms_DigestAlgorithm_set(si->digestAlgorithm, md);

    /* See if digest is present in digestAlgorithms */
    for (i = 0; i < sk_X509_ALGOR_num(sd->digestAlgorithms); i++) {
        ASN1_OBJECT *aoid;
        alg = sk_X509_ALGOR_value(sd->digestAlgorithms, i);
        X509_ALGOR_get0(&aoid, NULL, NULL, alg);
        if (OBJ_obj2nid(aoid) == EVP_MD_type(md))
            break;
    }

    if (i == sk_X509_ALGOR_num(sd->digestAlgorithms)) {
        alg = X509_ALGOR_new();
        if (!alg)
            goto merr;
        cms_DigestAlgorithm_set(alg, md);
        if (!sk_X509_ALGOR_push(sd->digestAlgorithms, alg)) {
            X509_ALGOR_free(alg);
            goto merr;
        }
    }

    if (pk->ameth && pk->ameth->pkey_ctrl) {
        i = pk->ameth->pkey_ctrl(pk, ASN1_PKEY_CTRL_CMS_SIGN, 0, si);
        if (i == -2) {
            CMSerr(CMS_F_CMS_ADD1_SIGNER,
                   CMS_R_NOT_SUPPORTED_FOR_THIS_KEY_TYPE);
            goto err;
        }
        if (i <= 0) {
            CMSerr(CMS_F_CMS_ADD1_SIGNER, CMS_R_CTRL_FAILURE);
            goto err;
        }
    }

    if (!(flags & CMS_NOATTR)) {
        /*
         * Initialialize signed attributes strutucture so other attributes
         * such as signing time etc are added later even if we add none here.
         */
        if (!si->signedAttrs) {
            si->signedAttrs = sk_X509_ATTRIBUTE_new_null();
            if (!si->signedAttrs)
                goto merr;
        }

        if (!(flags & CMS_NOSMIMECAP)) {
            STACK_OF(X509_ALGOR) *smcap = NULL;
            i = CMS_add_standard_smimecap(&smcap);
            if (i)
                i = CMS_add_smimecap(si, smcap);
            sk_X509_ALGOR_pop_free(smcap, X509_ALGOR_free);
            if (!i)
                goto merr;
        }
        if (flags & CMS_REUSE_DIGEST) {
            if (!cms_copy_messageDigest(cms, si))
                goto err;
            if (!(flags & CMS_PARTIAL) && !CMS_SignerInfo_sign(si))
                goto err;
        }
    }

    if (!(flags & CMS_NOCERTS)) {
        /* NB ignore -1 return for duplicate cert */
        if (!CMS_add1_cert(cms, signer))
            goto merr;
    }

    if (!sd->signerInfos)
        sd->signerInfos = sk_CMS_SignerInfo_new_null();
    if (!sd->signerInfos || !sk_CMS_SignerInfo_push(sd->signerInfos, si))
        goto merr;

    return si;

 merr:
    CMSerr(CMS_F_CMS_ADD1_SIGNER, ERR_R_MALLOC_FAILURE);
 err:
    if (si)
        M_ASN1_free_of(si, CMS_SignerInfo);
    return NULL;

}