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C++ CMSerr函数代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了C++中CMSerr函数的典型用法代码示例。如果您正苦于以下问题:C++ CMSerr函数的具体用法?C++ CMSerr怎么用?C++ CMSerr使用的例子?那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。



在下文中一共展示了CMSerr函数的12个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: BIO_new

BIO *cms_EncryptedContent_init_bio(CMS_EncryptedContentInfo *ec)
{
    BIO *b;
    EVP_CIPHER_CTX *ctx;
    const EVP_CIPHER *ciph;
    X509_ALGOR *calg = ec->contentEncryptionAlgorithm;
    unsigned char iv[EVP_MAX_IV_LENGTH], *piv = NULL;
    unsigned char *tkey = NULL;
    size_t tkeylen = 0;

    int ok = 0;

    int enc, keep_key = 0;

    enc = ec->cipher ? 1 : 0;

    b = BIO_new(BIO_f_cipher());
    if (b == NULL) {
        CMSerr(CMS_F_CMS_ENCRYPTEDCONTENT_INIT_BIO, ERR_R_MALLOC_FAILURE);
        return NULL;
    }

    BIO_get_cipher_ctx(b, &ctx);

    if (enc) {
        ciph = ec->cipher;
        /*
         * If not keeping key set cipher to NULL so subsequent calls decrypt.
         */
        if (ec->key)
            ec->cipher = NULL;
    } else {
        ciph = EVP_get_cipherbyobj(calg->algorithm);

        if (!ciph) {
            CMSerr(CMS_F_CMS_ENCRYPTEDCONTENT_INIT_BIO, CMS_R_UNKNOWN_CIPHER);
            goto err;
        }
    }

    if (EVP_CipherInit_ex(ctx, ciph, NULL, NULL, NULL, enc) <= 0) {
        CMSerr(CMS_F_CMS_ENCRYPTEDCONTENT_INIT_BIO,
               CMS_R_CIPHER_INITIALISATION_ERROR);
        goto err;
    }

    if (enc) {
        int ivlen;
        calg->algorithm = OBJ_nid2obj(EVP_CIPHER_CTX_type(ctx));
        /* Generate a random IV if we need one */
        ivlen = EVP_CIPHER_CTX_iv_length(ctx);
        if (ivlen > 0) {
            if (RAND_bytes(iv, ivlen) <= 0)
                goto err;
            piv = iv;
        }
    } else if (EVP_CIPHER_asn1_to_param(ctx, calg->parameter) <= 0) {
        CMSerr(CMS_F_CMS_ENCRYPTEDCONTENT_INIT_BIO,
               CMS_R_CIPHER_PARAMETER_INITIALISATION_ERROR);
        goto err;
    }
    tkeylen = EVP_CIPHER_CTX_key_length(ctx);
    /* Generate random session key */
    if (!enc || !ec->key) {
        tkey = OPENSSL_malloc(tkeylen);
        if (tkey == NULL) {
            CMSerr(CMS_F_CMS_ENCRYPTEDCONTENT_INIT_BIO, ERR_R_MALLOC_FAILURE);
            goto err;
        }
        if (EVP_CIPHER_CTX_rand_key(ctx, tkey) <= 0)
            goto err;
    }

    if (!ec->key) {
        ec->key = tkey;
        ec->keylen = tkeylen;
        tkey = NULL;
        if (enc)
            keep_key = 1;
        else
            ERR_clear_error();

    }

    if (ec->keylen != tkeylen) {
        /* If necessary set key length */
        if (EVP_CIPHER_CTX_set_key_length(ctx, ec->keylen) <= 0) {
            /*
             * Only reveal failure if debugging so we don't leak information
             * which may be useful in MMA.
             */
            if (enc || ec->debug) {
                CMSerr(CMS_F_CMS_ENCRYPTEDCONTENT_INIT_BIO,
                       CMS_R_INVALID_KEY_LENGTH);
                goto err;
            } else {
                /* Use random key */
                OPENSSL_clear_free(ec->key, ec->keylen);
                ec->key = tkey;
                ec->keylen = tkeylen;
//.........这里部分代码省略.........
开发者ID:4ker,项目名称:openssl,代码行数:101,代码来源:cms_enc.c


示例2: CMSerr

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)) {
//.........这里部分代码省略.........
开发者ID:RTEMS,项目名称:rtems-libbsd,代码行数:101,代码来源:cms_sd.c


示例3: cms_RecipientInfo_kekri_decrypt

static int cms_RecipientInfo_kekri_decrypt(CMS_ContentInfo *cms,
					CMS_RecipientInfo *ri)
	{
	CMS_EncryptedContentInfo *ec;
	CMS_KEKRecipientInfo *kekri;
	AES_KEY actx;
	unsigned char *ukey = NULL;
	int ukeylen;
	int r = 0, wrap_nid;

	ec = cms->d.envelopedData->encryptedContentInfo;

	kekri = ri->d.kekri;

	if (!kekri->key)
		{
		CMSerr(CMS_F_CMS_RECIPIENTINFO_KEKRI_DECRYPT, CMS_R_NO_KEY);
		return 0;
		}

	wrap_nid = OBJ_obj2nid(kekri->keyEncryptionAlgorithm->algorithm);
	if (aes_wrap_keylen(wrap_nid) != kekri->keylen)
		{
		CMSerr(CMS_F_CMS_RECIPIENTINFO_KEKRI_DECRYPT,
			CMS_R_INVALID_KEY_LENGTH);
		return 0;
		}

	/* If encrypted key length is invalid don't bother */

	if (kekri->encryptedKey->length < 16)
		{ 
		CMSerr(CMS_F_CMS_RECIPIENTINFO_KEKRI_DECRYPT,
					CMS_R_INVALID_ENCRYPTED_KEY_LENGTH);
		goto err;
		}

	if (AES_set_decrypt_key(kekri->key, kekri->keylen << 3, &actx))
		{ 
		CMSerr(CMS_F_CMS_RECIPIENTINFO_KEKRI_DECRYPT,
						CMS_R_ERROR_SETTING_KEY);
		goto err;
		}

	ukey = OPENSSL_malloc(kekri->encryptedKey->length - 8);

	if (!ukey)
		{ 
		CMSerr(CMS_F_CMS_RECIPIENTINFO_KEKRI_DECRYPT,
						ERR_R_MALLOC_FAILURE);
		goto err;
		}

	ukeylen = AES_unwrap_key(&actx, NULL, ukey,
					kekri->encryptedKey->data,
					kekri->encryptedKey->length);

	if (ukeylen <= 0)
		{
		CMSerr(CMS_F_CMS_RECIPIENTINFO_KEKRI_DECRYPT,
							CMS_R_UNWRAP_ERROR);
		goto err;
		}

	ec->key = ukey;
	ec->keylen = ukeylen;

	r = 1;

	err:

	if (!r && ukey)
		OPENSSL_free(ukey);
	OPENSSL_cleanse(&actx, sizeof(actx));

	return r;

	}
开发者ID:0x0B501E7E,项目名称:platform_external_openssl,代码行数:78,代码来源:cms_env.c


示例4: STACK_OF

BIO *cms_EnvelopedData_init_bio(CMS_ContentInfo *cms)
	{
	CMS_EncryptedContentInfo *ec;
	STACK_OF(CMS_RecipientInfo) *rinfos;
	CMS_RecipientInfo *ri;
	int i, r, ok = 0;
	BIO *ret;

	/* Get BIO first to set up key */

	ec = cms->d.envelopedData->encryptedContentInfo;
	ret = cms_EncryptedContent_init_bio(ec);

	/* If error or no cipher end of processing */

	if (!ret || !ec->cipher)
		return ret;

	/* Now encrypt content key according to each RecipientInfo type */

	rinfos = cms->d.envelopedData->recipientInfos;

	for (i = 0; i < sk_CMS_RecipientInfo_num(rinfos); i++)
		{
		ri = sk_CMS_RecipientInfo_value(rinfos, i);

		switch (ri->type)
			{
			case CMS_RECIPINFO_TRANS:
			r = cms_RecipientInfo_ktri_encrypt(cms, ri);
			break;

			case CMS_RECIPINFO_KEK:
			r = cms_RecipientInfo_kekri_encrypt(cms, ri);
			break;

			case CMS_RECIPINFO_PASS:
			r = cms_RecipientInfo_pwri_crypt(cms, ri, 1);
			break;

			default:
			CMSerr(CMS_F_CMS_ENVELOPEDDATA_INIT_BIO,
				CMS_R_UNSUPPORTED_RECIPIENT_TYPE);
			goto err;
			}

		if (r <= 0)
			{
			CMSerr(CMS_F_CMS_ENVELOPEDDATA_INIT_BIO,
				CMS_R_ERROR_SETTING_RECIPIENTINFO);
			goto err;
			}
		}

	ok = 1;

	err:
	ec->cipher = NULL;
	if (ec->key)
		{
		OPENSSL_cleanse(ec->key, ec->keylen);
		OPENSSL_free(ec->key);
		ec->key = NULL;
		ec->keylen = 0;
		}
	if (ok)
		return ret;
	BIO_free(ret);
	return NULL;

	}
开发者ID:0x0B501E7E,项目名称:platform_external_openssl,代码行数:71,代码来源:cms_env.c


示例5: cms_RecipientInfo_ktri_decrypt

static int cms_RecipientInfo_ktri_decrypt(CMS_ContentInfo *cms,
							CMS_RecipientInfo *ri)
	{
	CMS_KeyTransRecipientInfo *ktri = ri->d.ktri;
	EVP_PKEY_CTX *pctx = NULL;
	unsigned char *ek = NULL;
	size_t eklen;
	int ret = 0;
	CMS_EncryptedContentInfo *ec;
	ec = cms->d.envelopedData->encryptedContentInfo;

	if (ktri->pkey == NULL)
		{
		CMSerr(CMS_F_CMS_RECIPIENTINFO_KTRI_DECRYPT,
			CMS_R_NO_PRIVATE_KEY);
		return 0;
		}

	pctx = EVP_PKEY_CTX_new(ktri->pkey, NULL);
	if (!pctx)
		return 0;

	if (EVP_PKEY_decrypt_init(pctx) <= 0)
		goto err;

	if (EVP_PKEY_CTX_ctrl(pctx, -1, EVP_PKEY_OP_DECRYPT,
				EVP_PKEY_CTRL_CMS_DECRYPT, 0, ri) <= 0)
		{
		CMSerr(CMS_F_CMS_RECIPIENTINFO_KTRI_DECRYPT, CMS_R_CTRL_ERROR);
		goto err;
		}

	if (EVP_PKEY_decrypt(pctx, NULL, &eklen,
				ktri->encryptedKey->data,
				ktri->encryptedKey->length) <= 0)
		goto err;

	ek = OPENSSL_malloc(eklen);

	if (ek == NULL)
		{
		CMSerr(CMS_F_CMS_RECIPIENTINFO_KTRI_DECRYPT,
							ERR_R_MALLOC_FAILURE);
		goto err;
		}

	if (EVP_PKEY_decrypt(pctx, ek, &eklen,
				ktri->encryptedKey->data,
				ktri->encryptedKey->length) <= 0)
		{
		CMSerr(CMS_F_CMS_RECIPIENTINFO_KTRI_DECRYPT, CMS_R_CMS_LIB);
		goto err;
		}

	ret = 1;

	if (ec->key)
		{
		OPENSSL_cleanse(ec->key, ec->keylen);
		OPENSSL_free(ec->key);
		}

	ec->key = ek;
	ec->keylen = eklen;

	err:
	if (pctx)
		EVP_PKEY_CTX_free(pctx);
	if (!ret && ek)
		OPENSSL_free(ek);

	return ret;
	}
开发者ID:0x0B501E7E,项目名称:platform_external_openssl,代码行数:73,代码来源:cms_env.c


示例6: cms_get0_enveloped

CMS_RecipientInfo *CMS_add0_recipient_key(CMS_ContentInfo *cms, int nid,
					unsigned char *key, size_t keylen,
					unsigned char *id, size_t idlen,
					ASN1_GENERALIZEDTIME *date,
					ASN1_OBJECT *otherTypeId,
					ASN1_TYPE *otherType)
	{
	CMS_RecipientInfo *ri = NULL;
	CMS_EnvelopedData *env;
	CMS_KEKRecipientInfo *kekri;
	env = cms_get0_enveloped(cms);
	if (!env)
		goto err;

	if (nid == NID_undef)
		{
		switch (keylen)
			{
			case 16:
			nid = NID_id_aes128_wrap;
			break;

			case  24:
			nid = NID_id_aes192_wrap;
			break;

			case  32:
			nid = NID_id_aes256_wrap;
			break;

			default:
			CMSerr(CMS_F_CMS_ADD0_RECIPIENT_KEY,
						CMS_R_INVALID_KEY_LENGTH);
			goto err;
			}

		}
	else
		{

		size_t exp_keylen = aes_wrap_keylen(nid);

		if (!exp_keylen)
			{
			CMSerr(CMS_F_CMS_ADD0_RECIPIENT_KEY,
					CMS_R_UNSUPPORTED_KEK_ALGORITHM);
			goto err;
			}

		if (keylen != exp_keylen)
			{
			CMSerr(CMS_F_CMS_ADD0_RECIPIENT_KEY,
					CMS_R_INVALID_KEY_LENGTH);
			goto err;
			}

		}

	/* Initialize recipient info */
	ri = M_ASN1_new_of(CMS_RecipientInfo);
	if (!ri)
		goto merr;

	ri->d.kekri = M_ASN1_new_of(CMS_KEKRecipientInfo);
	if (!ri->d.kekri)
		goto merr;
	ri->type = CMS_RECIPINFO_KEK;

	kekri = ri->d.kekri;

	if (otherTypeId)
		{
		kekri->kekid->other = M_ASN1_new_of(CMS_OtherKeyAttribute);
		if (kekri->kekid->other == NULL)
			goto merr;
		}

	if (!sk_CMS_RecipientInfo_push(env->recipientInfos, ri))
		goto merr;


	/* After this point no calls can fail */

	kekri->version = 4;

	kekri->key = key;
	kekri->keylen = keylen;

	ASN1_STRING_set0(kekri->kekid->keyIdentifier, id, idlen);

	kekri->kekid->date = date;

	if (kekri->kekid->other)
		{
		kekri->kekid->other->keyAttrId = otherTypeId;
		kekri->kekid->other->keyAttr = otherType;
		}

	X509_ALGOR_set0(kekri->keyEncryptionAlgorithm,
				OBJ_nid2obj(nid), V_ASN1_UNDEF, NULL);
//.........这里部分代码省略.........
开发者ID:0x0B501E7E,项目名称:platform_external_openssl,代码行数:101,代码来源:cms_env.c


示例7: cms_RecipientInfo_ktri_encrypt

static int cms_RecipientInfo_ktri_encrypt(CMS_ContentInfo *cms,
					CMS_RecipientInfo *ri)
	{
	CMS_KeyTransRecipientInfo *ktri;
	CMS_EncryptedContentInfo *ec;
	EVP_PKEY_CTX *pctx = NULL;
	unsigned char *ek = NULL;
	size_t eklen;

	int ret = 0;

	if (ri->type != CMS_RECIPINFO_TRANS)
		{
		CMSerr(CMS_F_CMS_RECIPIENTINFO_KTRI_ENCRYPT,
			CMS_R_NOT_KEY_TRANSPORT);
		return 0;
		}
	ktri = ri->d.ktri;
	ec = cms->d.envelopedData->encryptedContentInfo;

	pctx = EVP_PKEY_CTX_new(ktri->pkey, NULL);
	if (!pctx)
		return 0;

	if (EVP_PKEY_encrypt_init(pctx) <= 0)
		goto err;

	if (EVP_PKEY_CTX_ctrl(pctx, -1, EVP_PKEY_OP_ENCRYPT,
				EVP_PKEY_CTRL_CMS_ENCRYPT, 0, ri) <= 0)
		{
		CMSerr(CMS_F_CMS_RECIPIENTINFO_KTRI_ENCRYPT, CMS_R_CTRL_ERROR);
		goto err;
		}

	if (EVP_PKEY_encrypt(pctx, NULL, &eklen, ec->key, ec->keylen) <= 0)
		goto err;

	ek = OPENSSL_malloc(eklen);

	if (ek == NULL)
		{
		CMSerr(CMS_F_CMS_RECIPIENTINFO_KTRI_ENCRYPT,
							ERR_R_MALLOC_FAILURE);
		goto err;
		}

	if (EVP_PKEY_encrypt(pctx, ek, &eklen, ec->key, ec->keylen) <= 0)
		goto err;

	ASN1_STRING_set0(ktri->encryptedKey, ek, eklen);
	ek = NULL;

	ret = 1;

	err:
	if (pctx)
		EVP_PKEY_CTX_free(pctx);
	if (ek)
		OPENSSL_free(ek);
	return ret;

	}
开发者ID:0x0B501E7E,项目名称:platform_external_openssl,代码行数:62,代码来源:cms_env.c


示例8: CMSerr

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)
			{
//.........这里部分代码省略.........
开发者ID:10045125,项目名称:xuggle-xuggler,代码行数:101,代码来源:cms_sd.c


示例9: CMSerr

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;
//.........这里部分代码省略.........
开发者ID:RafaelRMachado,项目名称:MinnowBoard,代码行数:101,代码来源:cms_sd.c


示例10: cms_get0_enveloped

CMS_RecipientInfo *CMS_add1_recipient_cert(CMS_ContentInfo *cms,
					X509 *recip, unsigned int flags)
	{
	CMS_RecipientInfo *ri = NULL;
	CMS_KeyTransRecipientInfo *ktri;
	CMS_EnvelopedData *env;
	EVP_PKEY *pk = NULL;
	int type;
	env = cms_get0_enveloped(cms);
	if (!env)
		goto err;

	/* Initialize recipient info */
	ri = M_ASN1_new_of(CMS_RecipientInfo);
	if (!ri)
		goto merr;

	/* Initialize and add key transport recipient info */

	ri->d.ktri = M_ASN1_new_of(CMS_KeyTransRecipientInfo);
	if (!ri->d.ktri)
		goto merr;
	ri->type = CMS_RECIPINFO_TRANS;

	ktri = ri->d.ktri;

	X509_check_purpose(recip, -1, -1);
	pk = X509_get_pubkey(recip);
	if (!pk)
		{
		CMSerr(CMS_F_CMS_ADD1_RECIPIENT_CERT,
				CMS_R_ERROR_GETTING_PUBLIC_KEY);
		goto err;
		}
	CRYPTO_add(&recip->references, 1, CRYPTO_LOCK_X509);
	ktri->pkey = pk;
	ktri->recip = recip;

	if (flags & CMS_USE_KEYID)
		{
		ktri->version = 2;
		type = CMS_RECIPINFO_KEYIDENTIFIER;
		}
	else
		{
		ktri->version = 0;
		type = CMS_RECIPINFO_ISSUER_SERIAL;
		}

	/* Not a typo: RecipientIdentifier and SignerIdentifier are the
	 * same structure.
	 */

	if (!cms_set1_SignerIdentifier(ktri->rid, recip, type))
		goto err;

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

	if (pk->type == EVP_PKEY_RSA)
		{
		X509_ALGOR_set0(ktri->keyEncryptionAlgorithm,
					OBJ_nid2obj(NID_rsaEncryption), 
					V_ASN1_NULL, 0);
		}
	else
		{
		CMSerr(CMS_F_CMS_ADD1_RECIPIENT_CERT,
				CMS_R_NOT_SUPPORTED_FOR_THIS_KEY_TYPE);
		goto err;
		}

	if (!sk_CMS_RecipientInfo_push(env->recipientInfos, ri))
		goto merr;

	return ri;

	merr:
	CMSerr(CMS_F_CMS_ADD1_RECIPIENT_CERT, ERR_R_MALLOC_FAILURE);
	err:
	if (ri)
		M_ASN1_free_of(ri, CMS_RecipientInfo);
	return NULL;

	}
开发者ID:337240552,项目名称:node,代码行数:86,代码来源:cms_env.c


示例11: CMS_add0_recipient_password

CMS_RecipientInfo *
CMS_add0_recipient_password(CMS_ContentInfo *cms, int iter, int wrap_nid,
    int pbe_nid, unsigned char *pass, ssize_t passlen,
    const EVP_CIPHER *kekciph)
{
	CMS_RecipientInfo *ri = NULL;
	CMS_EnvelopedData *env;
	CMS_PasswordRecipientInfo *pwri;
	EVP_CIPHER_CTX ctx;
	X509_ALGOR *encalg = NULL;
	unsigned char iv[EVP_MAX_IV_LENGTH];
	int ivlen;

	env = cms_get0_enveloped(cms);
	if (!env)
		return NULL;

	if (wrap_nid <= 0)
		wrap_nid = NID_id_alg_PWRI_KEK;

	if (pbe_nid <= 0)
		pbe_nid = NID_id_pbkdf2;

	/* Get from enveloped data */
	if (kekciph == NULL)
		kekciph = env->encryptedContentInfo->cipher;

	if (kekciph == NULL) {
		CMSerr(CMS_F_CMS_ADD0_RECIPIENT_PASSWORD, CMS_R_NO_CIPHER);
		return NULL;
	}
	if (wrap_nid != NID_id_alg_PWRI_KEK) {
		CMSerr(CMS_F_CMS_ADD0_RECIPIENT_PASSWORD,
		    CMS_R_UNSUPPORTED_KEY_ENCRYPTION_ALGORITHM);
		return NULL;
	}

	/* Setup algorithm identifier for cipher */
	encalg = X509_ALGOR_new();
	EVP_CIPHER_CTX_init(&ctx);

	if (EVP_EncryptInit_ex(&ctx, kekciph, NULL, NULL, NULL) <= 0) {
		CMSerr(CMS_F_CMS_ADD0_RECIPIENT_PASSWORD, ERR_R_EVP_LIB);
		goto err;
	}

	ivlen = EVP_CIPHER_CTX_iv_length(&ctx);

	if (ivlen > 0) {
		arc4random_buf(iv, ivlen);
		if (EVP_EncryptInit_ex(&ctx, NULL, NULL, NULL, iv) <= 0) {
			CMSerr(CMS_F_CMS_ADD0_RECIPIENT_PASSWORD,
			    ERR_R_EVP_LIB);
			goto err;
		}
		encalg->parameter = ASN1_TYPE_new();
		if (!encalg->parameter) {
			CMSerr(CMS_F_CMS_ADD0_RECIPIENT_PASSWORD,
			    ERR_R_MALLOC_FAILURE);
			goto err;
		}
		if (EVP_CIPHER_param_to_asn1(&ctx, encalg->parameter) <= 0) {
			CMSerr(CMS_F_CMS_ADD0_RECIPIENT_PASSWORD,
			    CMS_R_CIPHER_PARAMETER_INITIALISATION_ERROR);
			goto err;
		}
	}


	encalg->algorithm = OBJ_nid2obj(EVP_CIPHER_CTX_type(&ctx));

	EVP_CIPHER_CTX_cleanup(&ctx);

	/* Initialize recipient info */
	ri = M_ASN1_new_of(CMS_RecipientInfo);
	if (!ri)
		goto merr;

	ri->d.pwri = M_ASN1_new_of(CMS_PasswordRecipientInfo);
	if (!ri->d.pwri)
		goto merr;
	ri->type = CMS_RECIPINFO_PASS;

	pwri = ri->d.pwri;
	/* Since this is overwritten, free up empty structure already there */
	X509_ALGOR_free(pwri->keyEncryptionAlgorithm);
	pwri->keyEncryptionAlgorithm = X509_ALGOR_new();
	if (!pwri->keyEncryptionAlgorithm)
		goto merr;
	pwri->keyEncryptionAlgorithm->algorithm = OBJ_nid2obj(wrap_nid);
	pwri->keyEncryptionAlgorithm->parameter = ASN1_TYPE_new();
	if (!pwri->keyEncryptionAlgorithm->parameter)
		goto merr;

	if (!ASN1_item_pack(encalg, ASN1_ITEM_rptr(X509_ALGOR),
	    &pwri->keyEncryptionAlgorithm->parameter->value.sequence))
		goto merr;
	pwri->keyEncryptionAlgorithm->parameter->type = V_ASN1_SEQUENCE;

	X509_ALGOR_free(encalg);
//.........这里部分代码省略.........
开发者ID:Basskrapfen,项目名称:openbsd,代码行数:101,代码来源:cms_pwri.c


示例12: cms_RecipientInfo_pwri_crypt

int
cms_RecipientInfo_pwri_crypt(CMS_ContentInfo *cms, CMS_RecipientInfo *ri,
    int en_de)
{
	CMS_EncryptedContentInfo *ec;
	CMS_PasswordRecipientInfo *pwri;
	const unsigned char *p = NULL;
	int plen;
	int r = 0;
	X509_ALGOR *algtmp, *kekalg = NULL;
	EVP_CIPHER_CTX kekctx;
	const EVP_CIPHER *kekcipher;
	unsigned char *key = NULL;
	size_t keylen;

	ec = cms->d.envelopedData->encryptedContentInfo;

	pwri = ri->d.pwri;
	EVP_CIPHER_CTX_init(&kekctx);

	if (!pwri->pass) {
		CMSerr(CMS_F_CMS_RECIPIENTINFO_PWRI_CRYPT, CMS_R_NO_PASSWORD);
		return 0;
	}
	algtmp = pwri->keyEncryptionAlgorithm;

	if (!algtmp || OBJ_obj2nid(algtmp->algorithm) != NID_id_alg_PWRI_KEK) {
		CMSerr(CMS_F_CMS_RECIPIENTINFO_PWRI_CRYPT,
		    CMS_R_UNSUPPORTED_KEY_ENCRYPTION_ALGORITHM);
		return 0;
	}

	if (algtmp->parameter->type == V_ASN1_SEQUENCE) {
		p = algtmp->parameter->value.sequence->data;
		plen = algtmp->parameter->value.sequence->length;
		kekalg = d2i_X509_ALGOR(NULL, &p, plen);
	}
	if (kekalg == NULL) {
		CMSerr(CMS_F_CMS_RECIPIENTINFO_PWRI_CRYPT,
		    CMS_R_INVALID_KEY_ENCRYPTION_PARAMETER);
		return 0;
	}

	kekcipher = EVP_get_cipherbyobj(kekalg->algorithm);

	if (!kekcipher) {
		CMSerr(CMS_F_CMS_RECIPIENTINFO_PWRI_CRYPT,
		    CMS_R_UNKNOWN_CIPHER);
		goto err;
	}

	/* Fixup cipher based on AlgorithmIdentifier to set IV etc */
	if (!EVP_CipherInit_ex(&kekctx, kekcipher, NULL, NULL, NULL, en_de))
		goto err;
	EVP_CIPHER_CTX_set_padding(&kekctx, 0);
	if (EVP_CIPHER_asn1_to_param(&kekctx, kekalg->parameter) < 0) {
		CMSerr(CMS_F_CMS_RECIPIENTINFO_PWRI_CRYPT,
		    CMS_R_CIPHER_PARAMETER_INITIALISATION_ERROR);
		goto err;
	}

	algtmp = pwri->keyDerivationAlgorithm;

	/* Finish password based key derivation to setup key in "ctx" */

	if (EVP_PBE_CipherInit(algtmp->algorithm,
	    (char *)pwri->pass, pwri->passlen,
	    algtmp->parameter, &kekctx, en_de) < 0) {
		CMSerr(CMS_F_CMS_RECIPIENTINFO_PWRI_CRYPT, ERR_R_EVP_LIB);
		goto err;
	}

	/* Finally wrap/unwrap the key */

	if (en_de) {

		if (!kek_wrap_key(NULL, &keylen, ec->key, ec->keylen, &kekctx))
			goto err;

		key = malloc(keylen);

		if (!key)
			goto err;

		if (!kek_wrap_key(key, &keylen, ec->key, ec->keylen, &kekctx))
			goto err;
		pwri->encryptedKey->data = key;
		pwri->encryptedKey->length = keylen;
	} else {
		key = malloc(pwri->encryptedKey->length);

		if (!key) {
			CMSerr(CMS_F_CMS_RECIPIENTINFO_PWRI_CRYPT,
			    ERR_R_MALLOC_FAILURE);
			goto err;
		}
		if (!kek_unwrap_key(key, &keylen,
		    pwri->encryptedKey->data,
		    pwri->encryptedKey->length, &kekctx)) {
			CMSerr(CMS_F_CMS_RECIPIENTINFO_PWRI_CRYPT,
//.........这里部分代码省略.........
开发者ID:Basskrapfen,项目名称:openbsd,代码行数:101,代码来源:cms_pwri.c



注:本文中的CMSerr函数示例整理自Github/MSDocs等源码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。


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