diff options
Diffstat (limited to 'drivers/builtin_openssl/crypto/asn1/p8_pkey.c')
| -rw-r--r-- | drivers/builtin_openssl/crypto/asn1/p8_pkey.c | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/drivers/builtin_openssl/crypto/asn1/p8_pkey.c b/drivers/builtin_openssl/crypto/asn1/p8_pkey.c new file mode 100644 index 0000000000..17b68d386d --- /dev/null +++ b/drivers/builtin_openssl/crypto/asn1/p8_pkey.c @@ -0,0 +1,155 @@ +/* p8_pkey.c */ +/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL + * project 1999. + */ +/* ==================================================================== + * Copyright (c) 1999-2005 The OpenSSL Project. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * 3. All advertising materials mentioning features or use of this + * software must display the following acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" + * + * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to + * endorse or promote products derived from this software without + * prior written permission. For written permission, please contact + * licensing@OpenSSL.org. + * + * 5. Products derived from this software may not be called "OpenSSL" + * nor may "OpenSSL" appear in their names without prior written + * permission of the OpenSSL Project. + * + * 6. Redistributions of any form whatsoever must retain the following + * acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" + * + * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY + * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR + * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + * OF THE POSSIBILITY OF SUCH DAMAGE. + * ==================================================================== + * + * This product includes cryptographic software written by Eric Young + * (eay@cryptsoft.com). This product includes software written by Tim + * Hudson (tjh@cryptsoft.com). + * + */ + +#include <stdio.h> +#include "cryptlib.h" +#include <openssl/asn1t.h> +#include <openssl/x509.h> + +/* Minor tweak to operation: zero private key data */ +static int pkey_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it, + void *exarg) +{ + /* Since the structure must still be valid use ASN1_OP_FREE_PRE */ + if(operation == ASN1_OP_FREE_PRE) { + PKCS8_PRIV_KEY_INFO *key = (PKCS8_PRIV_KEY_INFO *)*pval; + if (key->pkey->value.octet_string) + OPENSSL_cleanse(key->pkey->value.octet_string->data, + key->pkey->value.octet_string->length); + } + return 1; +} + +ASN1_SEQUENCE_cb(PKCS8_PRIV_KEY_INFO, pkey_cb) = { + ASN1_SIMPLE(PKCS8_PRIV_KEY_INFO, version, ASN1_INTEGER), + ASN1_SIMPLE(PKCS8_PRIV_KEY_INFO, pkeyalg, X509_ALGOR), + ASN1_SIMPLE(PKCS8_PRIV_KEY_INFO, pkey, ASN1_ANY), + ASN1_IMP_SET_OF_OPT(PKCS8_PRIV_KEY_INFO, attributes, X509_ATTRIBUTE, 0) +} ASN1_SEQUENCE_END_cb(PKCS8_PRIV_KEY_INFO, PKCS8_PRIV_KEY_INFO) + +IMPLEMENT_ASN1_FUNCTIONS(PKCS8_PRIV_KEY_INFO) + +int PKCS8_pkey_set0(PKCS8_PRIV_KEY_INFO *priv, ASN1_OBJECT *aobj, + int version, + int ptype, void *pval, + unsigned char *penc, int penclen) + { + unsigned char **ppenc = NULL; + if (version >= 0) + { + if (!ASN1_INTEGER_set(priv->version, version)) + return 0; + } + if (penc) + { + int pmtype; + ASN1_OCTET_STRING *oct; + oct = ASN1_OCTET_STRING_new(); + if (!oct) + return 0; + oct->data = penc; + ppenc = &oct->data; + oct->length = penclen; + if (priv->broken == PKCS8_NO_OCTET) + pmtype = V_ASN1_SEQUENCE; + else + pmtype = V_ASN1_OCTET_STRING; + ASN1_TYPE_set(priv->pkey, pmtype, oct); + } + if (!X509_ALGOR_set0(priv->pkeyalg, aobj, ptype, pval)) + { + /* If call fails do not swallow 'enc' */ + if (ppenc) + *ppenc = NULL; + return 0; + } + return 1; + } + +int PKCS8_pkey_get0(ASN1_OBJECT **ppkalg, + const unsigned char **pk, int *ppklen, + X509_ALGOR **pa, + PKCS8_PRIV_KEY_INFO *p8) + { + if (ppkalg) + *ppkalg = p8->pkeyalg->algorithm; + if(p8->pkey->type == V_ASN1_OCTET_STRING) + { + p8->broken = PKCS8_OK; + if (pk) + { + *pk = p8->pkey->value.octet_string->data; + *ppklen = p8->pkey->value.octet_string->length; + } + } + else if (p8->pkey->type == V_ASN1_SEQUENCE) + { + p8->broken = PKCS8_NO_OCTET; + if (pk) + { + *pk = p8->pkey->value.sequence->data; + *ppklen = p8->pkey->value.sequence->length; + } + } + else + return 0; + if (pa) + *pa = p8->pkeyalg; + return 1; + } + |