/*-
- * Copyright 2007-2020 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 2007-2021 The OpenSSL Project Authors. All Rights Reserved.
* Copyright Nokia 2007-2018
* Copyright Siemens AG 2015-2019
*
#include "crmf_local.h"
#include "internal/constant_time.h"
+#include "internal/sizes.h"
/* explicit #includes not strictly needed since implied by the above: */
#include <openssl/crmf.h>
#include <openssl/err.h>
#include <openssl/evp.h>
-DEFINE_STACK_OF(X509_EXTENSION)
-DEFINE_STACK_OF(OSSL_CRMF_MSG)
-
/*-
* atyp = Attribute Type
* valt = Value Type
int new = 0;
if (crm == NULL || crm->certReq == NULL || ctrl == NULL) {
- CRMFerr(CRMF_F_OSSL_CRMF_MSG_PUSH0_REGCTRL, CRMF_R_NULL_ARGUMENT);
+ ERR_raise(ERR_LIB_CRMF, CRMF_R_NULL_ARGUMENT);
return 0;
}
if (spi == NULL
|| method < OSSL_CRMF_PUB_METHOD_DONTCARE
|| method > OSSL_CRMF_PUB_METHOD_LDAP) {
- CRMFerr(CRMF_F_OSSL_CRMF_MSG_SET0_SINGLEPUBINFO,
- ERR_R_PASSED_INVALID_ARGUMENT);
+ ERR_raise(ERR_LIB_CRMF, ERR_R_PASSED_INVALID_ARGUMENT);
return 0;
}
OSSL_CRMF_SINGLEPUBINFO *spi)
{
if (pi == NULL || spi == NULL) {
- CRMFerr(CRMF_F_OSSL_CRMF_MSG_PKIPUBLICATIONINFO_PUSH0_SINGLEPUBINFO,
- CRMF_R_NULL_ARGUMENT);
+ ERR_raise(ERR_LIB_CRMF, CRMF_R_NULL_ARGUMENT);
return 0;
}
if (pi->pubInfos == NULL)
if (pi == NULL
|| action < OSSL_CRMF_PUB_ACTION_DONTPUBLISH
|| action > OSSL_CRMF_PUB_ACTION_PLEASEPUBLISH) {
- CRMFerr(CRMF_F_OSSL_CRMF_MSG_SET_PKIPUBLICATIONINFO_ACTION,
- ERR_R_PASSED_INVALID_ARGUMENT);
+ ERR_raise(ERR_LIB_CRMF, ERR_R_PASSED_INVALID_ARGUMENT);
return 0;
}
OSSL_CRMF_CERTID *cid = NULL;
if (issuer == NULL || serial == NULL) {
- CRMFerr(CRMF_F_OSSL_CRMF_CERTID_GEN, CRMF_R_NULL_ARGUMENT);
+ ERR_raise(ERR_LIB_CRMF, CRMF_R_NULL_ARGUMENT);
return NULL;
}
STACK_OF(OSSL_CRMF_ATTRIBUTETYPEANDVALUE) *info = NULL;
if (crm == NULL || ri == NULL) {
- CRMFerr(CRMF_F_OSSL_CRMF_MSG_PUSH0_REGINFO, CRMF_R_NULL_ARGUMENT);
+ ERR_raise(ERR_LIB_CRMF, CRMF_R_NULL_ARGUMENT);
return 0;
}
OSSL_CRMF_CERTTEMPLATE *OSSL_CRMF_MSG_get0_tmpl(const OSSL_CRMF_MSG *crm)
{
if (crm == NULL || crm->certReq == NULL) {
- CRMFerr(CRMF_F_OSSL_CRMF_MSG_GET0_TMPL, CRMF_R_NULL_ARGUMENT);
+ ERR_raise(ERR_LIB_CRMF, CRMF_R_NULL_ARGUMENT);
return NULL;
}
return crm->certReq->certTemplate;
OSSL_CRMF_CERTTEMPLATE *tmpl = OSSL_CRMF_MSG_get0_tmpl(crm);
if (tmpl == NULL) { /* also crm == NULL implies this */
- CRMFerr(CRMF_F_OSSL_CRMF_MSG_SET0_VALIDITY, CRMF_R_NULL_ARGUMENT);
+ ERR_raise(ERR_LIB_CRMF, CRMF_R_NULL_ARGUMENT);
return 0;
}
int OSSL_CRMF_MSG_set_certReqId(OSSL_CRMF_MSG *crm, int rid)
{
if (crm == NULL || crm->certReq == NULL || crm->certReq->certReqId == NULL) {
- CRMFerr(CRMF_F_OSSL_CRMF_MSG_SET_CERTREQID, CRMF_R_NULL_ARGUMENT);
+ ERR_raise(ERR_LIB_CRMF, CRMF_R_NULL_ARGUMENT);
return 0;
}
int64_t res;
if (!ASN1_INTEGER_get_int64(&res, a)) {
- CRMFerr(0, ASN1_R_INVALID_NUMBER);
+ ERR_raise(ERR_LIB_CRMF, ASN1_R_INVALID_NUMBER);
return -1;
}
if (res < INT_MIN) {
- CRMFerr(0, ASN1_R_TOO_SMALL);
+ ERR_raise(ERR_LIB_CRMF, ASN1_R_TOO_SMALL);
return -1;
}
if (res > INT_MAX) {
- CRMFerr(0, ASN1_R_TOO_LARGE);
+ ERR_raise(ERR_LIB_CRMF, ASN1_R_TOO_LARGE);
return -1;
}
return (int)res;
int OSSL_CRMF_MSG_get_certReqId(const OSSL_CRMF_MSG *crm)
{
if (crm == NULL || /* not really needed: */ crm->certReq == NULL) {
- CRMFerr(CRMF_F_OSSL_CRMF_MSG_GET_CERTREQID, CRMF_R_NULL_ARGUMENT);
+ ERR_raise(ERR_LIB_CRMF, CRMF_R_NULL_ARGUMENT);
return -1;
}
return crmf_asn1_get_int(crm->certReq->certReqId);
OSSL_CRMF_CERTTEMPLATE *tmpl = OSSL_CRMF_MSG_get0_tmpl(crm);
if (tmpl == NULL) { /* also crm == NULL implies this */
- CRMFerr(CRMF_F_OSSL_CRMF_MSG_SET0_EXTENSIONS, CRMF_R_NULL_ARGUMENT);
+ ERR_raise(ERR_LIB_CRMF, CRMF_R_NULL_ARGUMENT);
return 0;
}
OSSL_CRMF_CERTTEMPLATE *tmpl = OSSL_CRMF_MSG_get0_tmpl(crm);
if (tmpl == NULL || ext == NULL) { /* also crm == NULL implies this */
- CRMFerr(CRMF_F_OSSL_CRMF_MSG_PUSH0_EXTENSION, CRMF_R_NULL_ARGUMENT);
+ ERR_raise(ERR_LIB_CRMF, CRMF_R_NULL_ARGUMENT);
return 0;
}
return 0;
}
-/* TODO: support cases 1+2 (besides case 3) defined in RFC 4211, section 4.1. */
-static int CRMF_poposigningkey_init(OSSL_CRMF_POPOSIGNINGKEY *ps,
- OSSL_CRMF_CERTREQUEST *cr,
- EVP_PKEY *pkey, int dgst)
+static int create_popo_signature(OSSL_CRMF_POPOSIGNINGKEY *ps,
+ const OSSL_CRMF_CERTREQUEST *cr,
+ EVP_PKEY *pkey, const EVP_MD *digest,
+ OSSL_LIB_CTX *libctx, const char *propq)
{
- int ret = 0;
- EVP_MD *fetched_md = NULL;
- const EVP_MD *md = EVP_get_digestbynid(dgst);
-
if (ps == NULL || cr == NULL || pkey == NULL) {
- CRMFerr(CRMF_F_CRMF_POPOSIGNINGKEY_INIT, CRMF_R_NULL_ARGUMENT);
+ ERR_raise(ERR_LIB_CRMF, CRMF_R_NULL_ARGUMENT);
return 0;
}
-
- /* If we didn't find legacy MD, we try an implicit fetch */
- if (md == NULL)
- md = fetched_md = EVP_MD_fetch(NULL, OBJ_nid2sn(dgst), NULL);
-
- if (md == NULL) {
- CRMFerr(CRMF_F_CRMF_POPOSIGNINGKEY_INIT,
- CRMF_R_UNSUPPORTED_ALG_FOR_POPSIGNINGKEY);
+ if (ps->poposkInput != NULL) {
+ /* TODO: support cases 1+2 defined in RFC 4211, section 4.1 */
+ ERR_raise(ERR_LIB_CRMF, CRMF_R_POPOSKINPUT_NOT_SUPPORTED);
return 0;
}
- ret = ASN1_item_sign(ASN1_ITEM_rptr(OSSL_CRMF_CERTREQUEST),
- ps->algorithmIdentifier, NULL, ps->signature,
- cr, pkey, md);
-
- EVP_MD_free(fetched_md);
- return ret;
+ return ASN1_item_sign_ex(ASN1_ITEM_rptr(OSSL_CRMF_CERTREQUEST),
+ ps->algorithmIdentifier, NULL, ps->signature, cr,
+ NULL, pkey, digest, libctx, propq);
}
-int OSSL_CRMF_MSG_create_popo(OSSL_CRMF_MSG *crm, EVP_PKEY *pkey,
- int dgst, int ppmtd)
+int OSSL_CRMF_MSG_create_popo(int meth, OSSL_CRMF_MSG *crm,
+ EVP_PKEY *pkey, const EVP_MD *digest,
+ OSSL_LIB_CTX *libctx, const char *propq)
{
OSSL_CRMF_POPO *pp = NULL;
ASN1_INTEGER *tag = NULL;
- if (crm == NULL || (ppmtd == OSSL_CRMF_POPO_SIGNATURE && pkey == NULL)) {
- CRMFerr(CRMF_F_OSSL_CRMF_MSG_CREATE_POPO, CRMF_R_NULL_ARGUMENT);
+ if (crm == NULL || (meth == OSSL_CRMF_POPO_SIGNATURE && pkey == NULL)) {
+ ERR_raise(ERR_LIB_CRMF, CRMF_R_NULL_ARGUMENT);
return 0;
}
- if (ppmtd == OSSL_CRMF_POPO_NONE)
+ if (meth == OSSL_CRMF_POPO_NONE)
goto end;
if ((pp = OSSL_CRMF_POPO_new()) == NULL)
goto err;
- pp->type = ppmtd;
+ pp->type = meth;
- switch (ppmtd) {
+ switch (meth) {
case OSSL_CRMF_POPO_RAVERIFIED:
if ((pp->value.raVerified = ASN1_NULL_new()) == NULL)
goto err;
case OSSL_CRMF_POPO_SIGNATURE:
{
OSSL_CRMF_POPOSIGNINGKEY *ps = OSSL_CRMF_POPOSIGNINGKEY_new();
- if (ps == NULL
- || !CRMF_poposigningkey_init(ps, crm->certReq, pkey, dgst)) {
+
+ if (ps == NULL)
+ goto err;
+ if (!create_popo_signature(ps, crm->certReq, pkey, digest,
+ libctx, propq)) {
OSSL_CRMF_POPOSIGNINGKEY_free(ps);
goto err;
}
break;
default:
- CRMFerr(CRMF_F_OSSL_CRMF_MSG_CREATE_POPO,
- CRMF_R_UNSUPPORTED_METHOD_FOR_CREATING_POPO);
+ ERR_raise(ERR_LIB_CRMF, CRMF_R_UNSUPPORTED_METHOD_FOR_CREATING_POPO);
goto err;
}
/* verifies the Proof-of-Possession of the request with the given rid in reqs */
int OSSL_CRMF_MSGS_verify_popo(const OSSL_CRMF_MSGS *reqs,
- int rid, int acceptRAVerified)
+ int rid, int acceptRAVerified,
+ OSSL_LIB_CTX *libctx, const char *propq)
{
OSSL_CRMF_MSG *req = NULL;
X509_PUBKEY *pubkey = NULL;
OSSL_CRMF_POPOSIGNINGKEY *sig = NULL;
+ const ASN1_ITEM *it;
+ void *asn;
if (reqs == NULL || (req = sk_OSSL_CRMF_MSG_value(reqs, rid)) == NULL) {
- CRMFerr(CRMF_F_OSSL_CRMF_MSGS_VERIFY_POPO, CRMF_R_NULL_ARGUMENT);
+ ERR_raise(ERR_LIB_CRMF, CRMF_R_NULL_ARGUMENT);
return 0;
}
if (req->popo == NULL) {
- CRMFerr(0, CRMF_R_POPO_MISSING);
+ ERR_raise(ERR_LIB_CRMF, CRMF_R_POPO_MISSING);
return 0;
}
switch (req->popo->type) {
case OSSL_CRMF_POPO_RAVERIFIED:
if (!acceptRAVerified) {
- CRMFerr(0, CRMF_R_POPO_RAVERIFIED_NOT_ACCEPTED);
+ ERR_raise(ERR_LIB_CRMF, CRMF_R_POPO_RAVERIFIED_NOT_ACCEPTED);
return 0;
}
break;
case OSSL_CRMF_POPO_SIGNATURE:
pubkey = req->certReq->certTemplate->publicKey;
if (pubkey == NULL) {
- CRMFerr(0, CRMF_R_POPO_MISSING_PUBLIC_KEY);
+ ERR_raise(ERR_LIB_CRMF, CRMF_R_POPO_MISSING_PUBLIC_KEY);
return 0;
}
sig = req->popo->value.signature;
* exactly the same value as contained in the certificate template.
*/
if (sig->poposkInput->publicKey == NULL) {
- CRMFerr(0, CRMF_R_POPO_MISSING_PUBLIC_KEY);
+ ERR_raise(ERR_LIB_CRMF, CRMF_R_POPO_MISSING_PUBLIC_KEY);
return 0;
}
if (X509_PUBKEY_eq(pubkey, sig->poposkInput->publicKey) != 1) {
- CRMFerr(0, CRMF_R_POPO_INCONSISTENT_PUBLIC_KEY);
+ ERR_raise(ERR_LIB_CRMF, CRMF_R_POPO_INCONSISTENT_PUBLIC_KEY);
return 0;
}
/*
* TODO check the contents of the authInfo sub-field,
* see RFC 4211 https://tools.ietf.org/html/rfc4211#section-4.1
*/
- if (ASN1_item_verify(ASN1_ITEM_rptr(OSSL_CRMF_POPOSIGNINGKEYINPUT),
- sig->algorithmIdentifier, sig->signature,
- sig->poposkInput,
- X509_PUBKEY_get0(pubkey)) < 1)
- return 0;
+ it = ASN1_ITEM_rptr(OSSL_CRMF_POPOSIGNINGKEYINPUT);
+ asn = sig->poposkInput;
} else {
if (req->certReq->certTemplate->subject == NULL) {
- CRMFerr(0, CRMF_R_POPO_MISSING_SUBJECT);
+ ERR_raise(ERR_LIB_CRMF, CRMF_R_POPO_MISSING_SUBJECT);
return 0;
}
- if (ASN1_item_verify(ASN1_ITEM_rptr(OSSL_CRMF_CERTREQUEST),
- sig->algorithmIdentifier, sig->signature,
- req->certReq, X509_PUBKEY_get0(pubkey)) < 1)
- return 0;
+ it = ASN1_ITEM_rptr(OSSL_CRMF_CERTREQUEST);
+ asn = req->certReq;
}
+ if (ASN1_item_verify_ex(it, sig->algorithmIdentifier, sig->signature,
+ asn, NULL, X509_PUBKEY_get0(pubkey), libctx,
+ propq) < 1)
+ return 0;
break;
case OSSL_CRMF_POPO_KEYENC:
/*
*/
case OSSL_CRMF_POPO_KEYAGREE:
default:
- CRMFerr(CRMF_F_OSSL_CRMF_MSGS_VERIFY_POPO,
- CRMF_R_UNSUPPORTED_POPO_METHOD);
+ ERR_raise(ERR_LIB_CRMF, CRMF_R_UNSUPPORTED_POPO_METHOD);
return 0;
}
return 1;
const ASN1_INTEGER *serial)
{
if (tmpl == NULL) {
- CRMFerr(CRMF_F_OSSL_CRMF_CERTTEMPLATE_FILL, CRMF_R_NULL_ARGUMENT);
+ ERR_raise(ERR_LIB_CRMF, CRMF_R_NULL_ARGUMENT);
return 0;
}
if (subject != NULL && !X509_NAME_set((X509_NAME **)&tmpl->subject, subject))
* returns a pointer to the decrypted certificate
* returns NULL on error or if no certificate available
*/
-X509 *OSSL_CRMF_ENCRYPTEDVALUE_get1_encCert(const OSSL_CRMF_ENCRYPTEDVALUE *ecert,
- EVP_PKEY *pkey)
+X509
+*OSSL_CRMF_ENCRYPTEDVALUE_get1_encCert(const OSSL_CRMF_ENCRYPTEDVALUE *ecert,
+ OSSL_LIB_CTX *libctx, const char *propq,
+ EVP_PKEY *pkey)
{
X509 *cert = NULL; /* decrypted certificate */
EVP_CIPHER_CTX *evp_ctx = NULL; /* context for symmetric encryption */
unsigned char *ek = NULL; /* decrypted symmetric encryption key */
size_t eksize = 0; /* size of decrypted symmetric encryption key */
- const EVP_CIPHER *cipher = NULL; /* used cipher */
+ EVP_CIPHER *cipher = NULL; /* used cipher */
int cikeysize = 0; /* key size from cipher */
unsigned char *iv = NULL; /* initial vector for symmetric encryption */
unsigned char *outbuf = NULL; /* decryption output buffer */
const unsigned char *p = NULL; /* needed for decoding ASN1 */
- int symmAlg = 0; /* NIDs for symmetric algorithm */
int n, outlen = 0;
EVP_PKEY_CTX *pkctx = NULL; /* private key context */
+ char name[OSSL_MAX_NAME_SIZE];
if (ecert == NULL || ecert->symmAlg == NULL || ecert->encSymmKey == NULL
|| ecert->encValue == NULL || pkey == NULL) {
- CRMFerr(CRMF_F_OSSL_CRMF_ENCRYPTEDVALUE_GET1_ENCCERT,
- CRMF_R_NULL_ARGUMENT);
- return NULL;
- }
- if ((symmAlg = OBJ_obj2nid(ecert->symmAlg->algorithm)) == 0) {
- CRMFerr(CRMF_F_OSSL_CRMF_ENCRYPTEDVALUE_GET1_ENCCERT,
- CRMF_R_UNSUPPORTED_CIPHER);
+ ERR_raise(ERR_LIB_CRMF, CRMF_R_NULL_ARGUMENT);
return NULL;
}
+
/* select symmetric cipher based on algorithm given in message */
- if ((cipher = EVP_get_cipherbynid(symmAlg)) == NULL) {
- CRMFerr(CRMF_F_OSSL_CRMF_ENCRYPTEDVALUE_GET1_ENCCERT,
- CRMF_R_UNSUPPORTED_CIPHER);
+ OBJ_obj2txt(name, sizeof(name), ecert->symmAlg->algorithm, 0);
+
+ (void)ERR_set_mark();
+ cipher = EVP_CIPHER_fetch(NULL, name, NULL);
+
+ if (cipher == NULL)
+ cipher = (EVP_CIPHER *)EVP_get_cipherbyname(name);
+
+ if (cipher == NULL) {
+ (void)ERR_clear_last_mark();
+ ERR_raise(ERR_LIB_CRMF, CRMF_R_UNSUPPORTED_CIPHER);
goto end;
}
- cikeysize = EVP_CIPHER_key_length(cipher);
+ (void)ERR_pop_to_mark();
+
+ cikeysize = EVP_CIPHER_get_key_length(cipher);
/* first the symmetric key needs to be decrypted */
- pkctx = EVP_PKEY_CTX_new(pkey, NULL);
+ pkctx = EVP_PKEY_CTX_new_from_pkey(libctx, pkey, propq);
if (pkctx != NULL && EVP_PKEY_decrypt_init(pkctx)) {
ASN1_BIT_STRING *encKey = ecert->encSymmKey;
size_t failure;
| constant_time_is_zero(retval));
failure |= ~constant_time_eq_s(eksize, (size_t)cikeysize);
if (failure) {
- CRMFerr(CRMF_F_OSSL_CRMF_ENCRYPTEDVALUE_GET1_ENCCERT,
- CRMF_R_ERROR_DECRYPTING_SYMMETRIC_KEY);
+ ERR_raise(ERR_LIB_CRMF, CRMF_R_ERROR_DECRYPTING_SYMMETRIC_KEY);
goto end;
}
} else {
goto end;
}
- if ((iv = OPENSSL_malloc(EVP_CIPHER_iv_length(cipher))) == NULL)
+ if ((iv = OPENSSL_malloc(EVP_CIPHER_get_iv_length(cipher))) == NULL)
goto end;
if (ASN1_TYPE_get_octetstring(ecert->symmAlg->parameter, iv,
- EVP_CIPHER_iv_length(cipher))
- != EVP_CIPHER_iv_length(cipher)) {
- CRMFerr(CRMF_F_OSSL_CRMF_ENCRYPTEDVALUE_GET1_ENCCERT,
- CRMF_R_MALFORMED_IV);
+ EVP_CIPHER_get_iv_length(cipher))
+ != EVP_CIPHER_get_iv_length(cipher)) {
+ ERR_raise(ERR_LIB_CRMF, CRMF_R_MALFORMED_IV);
goto end;
}
* keep the original pointer in outbuf so the memory can be freed later
*/
if ((p = outbuf = OPENSSL_malloc(ecert->encValue->length +
- EVP_CIPHER_block_size(cipher))) == NULL
+ EVP_CIPHER_get_block_size(cipher))) == NULL
|| (evp_ctx = EVP_CIPHER_CTX_new()) == NULL)
goto end;
EVP_CIPHER_CTX_set_padding(evp_ctx, 0);
ecert->encValue->data,
ecert->encValue->length)
|| !EVP_DecryptFinal(evp_ctx, outbuf + outlen, &n)) {
- CRMFerr(CRMF_F_OSSL_CRMF_ENCRYPTEDVALUE_GET1_ENCCERT,
- CRMF_R_ERROR_DECRYPTING_CERTIFICATE);
+ ERR_raise(ERR_LIB_CRMF, CRMF_R_ERROR_DECRYPTING_CERTIFICATE);
goto end;
}
outlen += n;
/* convert decrypted certificate from DER to internal ASN.1 structure */
- if ((cert = d2i_X509(NULL, &p, outlen)) == NULL) {
- CRMFerr(CRMF_F_OSSL_CRMF_ENCRYPTEDVALUE_GET1_ENCCERT,
- CRMF_R_ERROR_DECODING_CERTIFICATE);
- }
+ if ((cert = X509_new_ex(libctx, propq)) == NULL)
+ goto end;
+ if (d2i_X509(&cert, &p, outlen) == NULL)
+ ERR_raise(ERR_LIB_CRMF, CRMF_R_ERROR_DECODING_CERTIFICATE);
end:
EVP_PKEY_CTX_free(pkctx);
OPENSSL_free(outbuf);
EVP_CIPHER_CTX_free(evp_ctx);
+ EVP_CIPHER_free(cipher);
OPENSSL_clear_free(ek, eksize);
OPENSSL_free(iv);
return cert;
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