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Remove CMS recipient info information out of the algorithm implementations

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Low level algorithm implementations have no business knowing about details
of the higher level CMS concept. This knowledge is therefore moved into the
CMS layer.

Reviewed-by: Shane Lontis <shane.lontis@oracle.com>
(Merged from https://github.com/openssl/openssl/pull/13088)
This commit is contained in:
Matt Caswell 2020-10-07 15:59:28 +01:00
parent 9ab7fe4836
commit 7022d9b903
5 changed files with 14 additions and 26 deletions
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14
crypto/cms/cms_env.c
View File

@ -1303,6 +1303,20 @@ err:
*/
int cms_pkey_get_ri_type(EVP_PKEY *pk)
{
/* Check types that we know about */
if (EVP_PKEY_is_a(pk, "DH"))
return CMS_RECIPINFO_AGREE;
else if (EVP_PKEY_is_a(pk, "DSA"))
return CMS_RECIPINFO_NONE;
else if (EVP_PKEY_is_a(pk, "EC"))
return CMS_RECIPINFO_AGREE;
else if (EVP_PKEY_is_a(pk, "RSA"))
return CMS_RECIPINFO_TRANS;
/*
* Otherwise this might ben an engine implementation, so see if we can get
* the type from the ameth.
*/
if (pk->ameth && pk->ameth->pkey_ctrl) {
int i, r;
i = pk->ameth->pkey_ctrl(pk, ASN1_PKEY_CTRL_CMS_RI_TYPE, 0, &r);

6
crypto/dh/dh_ameth.c
View File

@ -19,7 +19,6 @@
#include <openssl/bn.h>
#include <openssl/core_names.h>
#include <openssl/param_build.h>
#include <openssl/cms.h>
#include "internal/ffc.h"
#include "internal/cryptlib.h"
#include "crypto/asn1.h"
@ -449,11 +448,6 @@ static int dh_pkey_ctrl(EVP_PKEY *pkey, int op, long arg1, void *arg2)
static int dhx_pkey_ctrl(EVP_PKEY *pkey, int op, long arg1, void *arg2)
{
switch (op) {
#ifndef OPENSSL_NO_CMS
case ASN1_PKEY_CTRL_CMS_RI_TYPE:
*(int *)arg2 = CMS_RECIPINFO_AGREE;
return 1;
#endif
default:
return -2;
}

6
crypto/dsa/dsa_ameth.c
View File

@ -17,7 +17,6 @@
#include <openssl/x509.h>
#include <openssl/asn1.h>
#include <openssl/bn.h>
#include <openssl/cms.h>
#include <openssl/core_names.h>
#include <openssl/param_build.h>
#include "internal/cryptlib.h"
@ -481,11 +480,6 @@ static int dsa_pkey_ctrl(EVP_PKEY *pkey, int op, long arg1, void *arg2)
X509_ALGOR_set0(alg2, OBJ_nid2obj(snid), V_ASN1_UNDEF, 0);
}
return 1;
#ifndef OPENSSL_NO_CMS
case ASN1_PKEY_CTRL_CMS_RI_TYPE:
*(int *)arg2 = CMS_RECIPINFO_NONE;
return 1;
#endif
case ASN1_PKEY_CTRL_DEFAULT_MD_NID:
*(int *)arg2 = NID_sha256;

6
crypto/ec/ec_ameth.c
View File

@ -18,7 +18,6 @@
#include <openssl/x509.h>
#include <openssl/ec.h>
#include <openssl/bn.h>
#include <openssl/cms.h>
#include <openssl/asn1t.h>
#include "crypto/asn1.h"
#include "crypto/evp.h"
@ -489,11 +488,6 @@ static int ec_pkey_ctrl(EVP_PKEY *pkey, int op, long arg1, void *arg2)
X509_ALGOR_set0(alg2, OBJ_nid2obj(snid), V_ASN1_UNDEF, 0);
}
return 1;
#ifndef OPENSSL_NO_CMS
case ASN1_PKEY_CTRL_CMS_RI_TYPE:
*(int *)arg2 = CMS_RECIPINFO_AGREE;
return 1;
#endif
case ASN1_PKEY_CTRL_DEFAULT_MD_NID:
if (EVP_PKEY_id(pkey) == EVP_PKEY_SM2) {

8
crypto/rsa/rsa_ameth.c
View File

@ -18,7 +18,6 @@
#include <openssl/asn1t.h>
#include <openssl/x509.h>
#include <openssl/bn.h>
#include <openssl/cms.h>
#include <openssl/core_names.h>
#include <openssl/param_build.h>
#include "crypto/asn1.h"
@ -505,13 +504,6 @@ static int rsa_pkey_ctrl(EVP_PKEY *pkey, int op, long arg1, void *arg2)
if (arg1 == 0)
PKCS7_RECIP_INFO_get0_alg(arg2, &alg);
break;
#ifndef OPENSSL_NO_CMS
case ASN1_PKEY_CTRL_CMS_RI_TYPE:
if (pkey_is_pss(pkey))
return -2;
*(int *)arg2 = CMS_RECIPINFO_TRANS;
return 1;
#endif
case ASN1_PKEY_CTRL_DEFAULT_MD_NID:
if (pkey->pkey.rsa->pss != NULL) {