| /* This Source Code Form is subject to the terms of the Mozilla Public |
| * License, v. 2.0. If a copy of the MPL was not distributed with this |
| * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| |
| #include "secoid.h" |
| #include "secder.h" /* XXX remove this when remove the DERTemplate */ |
| #include "secasn1.h" |
| #include "secitem.h" |
| #include "secerr.h" |
| |
| SECOidTag |
| SECOID_GetAlgorithmTag(const SECAlgorithmID *id) |
| { |
| if (id == NULL || id->algorithm.data == NULL) |
| return SEC_OID_UNKNOWN; |
| |
| return SECOID_FindOIDTag(&(id->algorithm)); |
| } |
| |
| SECStatus |
| SECOID_SetAlgorithmID(PLArenaPool *arena, SECAlgorithmID *id, SECOidTag which, |
| SECItem *params) |
| { |
| SECOidData *oiddata; |
| PRBool add_null_param; |
| |
| oiddata = SECOID_FindOIDByTag(which); |
| if (!oiddata) { |
| PORT_SetError(SEC_ERROR_INVALID_ALGORITHM); |
| return SECFailure; |
| } |
| |
| if (SECITEM_CopyItem(arena, &id->algorithm, &oiddata->oid)) |
| return SECFailure; |
| |
| switch (which) { |
| case SEC_OID_MD2: |
| case SEC_OID_MD4: |
| case SEC_OID_MD5: |
| case SEC_OID_SHA1: |
| case SEC_OID_SHA224: |
| case SEC_OID_SHA256: |
| case SEC_OID_SHA384: |
| case SEC_OID_SHA512: |
| case SEC_OID_PKCS1_RSA_ENCRYPTION: |
| case SEC_OID_PKCS1_MD2_WITH_RSA_ENCRYPTION: |
| case SEC_OID_PKCS1_MD4_WITH_RSA_ENCRYPTION: |
| case SEC_OID_PKCS1_MD5_WITH_RSA_ENCRYPTION: |
| case SEC_OID_PKCS1_SHA1_WITH_RSA_ENCRYPTION: |
| case SEC_OID_PKCS1_SHA224_WITH_RSA_ENCRYPTION: |
| case SEC_OID_PKCS1_SHA256_WITH_RSA_ENCRYPTION: |
| case SEC_OID_PKCS1_SHA384_WITH_RSA_ENCRYPTION: |
| case SEC_OID_PKCS1_SHA512_WITH_RSA_ENCRYPTION: |
| add_null_param = PR_TRUE; |
| break; |
| default: |
| add_null_param = PR_FALSE; |
| break; |
| } |
| |
| if (params) { |
| /* |
| * I am specifically *not* enforcing the following assertion |
| * (by following it up with an error and a return of failure) |
| * because I do not want to introduce any change in the current |
| * behavior. But I do want for us to notice if the following is |
| * ever true, because I do not think it should be so and probably |
| * signifies an error/bug somewhere. |
| */ |
| PORT_Assert(!add_null_param || (params->len == 2 && params->data[0] == SEC_ASN1_NULL && params->data[1] == 0)); |
| if (SECITEM_CopyItem(arena, &id->parameters, params)) { |
| return SECFailure; |
| } |
| } else { |
| /* |
| * Again, this is not considered an error. But if we assume |
| * that nobody tries to set the parameters field themselves |
| * (but always uses this routine to do that), then we should |
| * not hit the following assertion. Unless they forgot to zero |
| * the structure, which could also be a bad (and wrong) thing. |
| */ |
| PORT_Assert(id->parameters.data == NULL); |
| |
| if (add_null_param) { |
| (void)SECITEM_AllocItem(arena, &id->parameters, 2); |
| if (id->parameters.data == NULL) { |
| return SECFailure; |
| } |
| id->parameters.data[0] = SEC_ASN1_NULL; |
| id->parameters.data[1] = 0; |
| } |
| } |
| |
| return SECSuccess; |
| } |
| |
| SECStatus |
| SECOID_CopyAlgorithmID(PLArenaPool *arena, SECAlgorithmID *to, |
| const SECAlgorithmID *from) |
| { |
| SECStatus rv; |
| |
| rv = SECITEM_CopyItem(arena, &to->algorithm, &from->algorithm); |
| if (rv) |
| return rv; |
| rv = SECITEM_CopyItem(arena, &to->parameters, &from->parameters); |
| return rv; |
| } |
| |
| void |
| SECOID_DestroyAlgorithmID(SECAlgorithmID *algid, PRBool freeit) |
| { |
| SECITEM_ZfreeItem(&algid->parameters, PR_FALSE); |
| SECITEM_FreeItem(&algid->algorithm, PR_FALSE); |
| if (freeit == PR_TRUE) |
| PORT_Free(algid); |
| } |
| |
| SECComparison |
| SECOID_CompareAlgorithmID(SECAlgorithmID *a, SECAlgorithmID *b) |
| { |
| SECComparison rv; |
| |
| rv = SECITEM_CompareItem(&a->algorithm, &b->algorithm); |
| if (rv) |
| return rv; |
| rv = SECITEM_CompareItem(&a->parameters, &b->parameters); |
| return rv; |
| } |