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Only set CMS parameter when encrypting

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Reviewed-by: Rich Salz <rsalz@openssl.org>
This commit is contained in:
Dr. Stephen Henson 2016-05-06 19:27:49 +01:00
parent ec5b56f3c5
commit 708cf5ded2
1 changed files with 16 additions and 15 deletions
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31
crypto/cms/cms_enc.c
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@ -175,21 +175,22 @@ BIO *cms_EncryptedContent_init_bio(CMS_EncryptedContentInfo *ec)
CMS_R_CIPHER_INITIALISATION_ERROR);
goto err;
}
calg->parameter = ASN1_TYPE_new();
if (calg->parameter == NULL) {
CMSerr(CMS_F_CMS_ENCRYPTEDCONTENT_INIT_BIO, ERR_R_MALLOC_FAILURE);
goto err;
}
if (EVP_CIPHER_param_to_asn1(ctx, calg->parameter) <= 0) {
CMSerr(CMS_F_CMS_ENCRYPTEDCONTENT_INIT_BIO,
CMS_R_CIPHER_PARAMETER_INITIALISATION_ERROR);
goto err;
}
/* If parameter type not set omit parameter */
if (calg->parameter->type == V_ASN1_UNDEF) {
ASN1_TYPE_free(calg->parameter);
calg->parameter = NULL;
if (enc) {
calg->parameter = ASN1_TYPE_new();
if (calg->parameter == NULL) {
CMSerr(CMS_F_CMS_ENCRYPTEDCONTENT_INIT_BIO, ERR_R_MALLOC_FAILURE);
goto err;
}
if (EVP_CIPHER_param_to_asn1(ctx, calg->parameter) <= 0) {
CMSerr(CMS_F_CMS_ENCRYPTEDCONTENT_INIT_BIO,
CMS_R_CIPHER_PARAMETER_INITIALISATION_ERROR);
goto err;
}
/* If parameter type not set omit parameter */
if (calg->parameter->type == V_ASN1_UNDEF) {
ASN1_TYPE_free(calg->parameter);
calg->parameter = NULL;
}
}
ok = 1;