diff options
Diffstat (limited to 'Cryptlib/OpenSSL/crypto/asn1/p8_pkey.c')
| -rw-r--r-- | Cryptlib/OpenSSL/crypto/asn1/p8_pkey.c | 95 |
1 files changed, 78 insertions, 17 deletions
diff --git a/Cryptlib/OpenSSL/crypto/asn1/p8_pkey.c b/Cryptlib/OpenSSL/crypto/asn1/p8_pkey.c index 0a195755..0a425cd2 100644 --- a/Cryptlib/OpenSSL/crypto/asn1/p8_pkey.c +++ b/Cryptlib/OpenSSL/crypto/asn1/p8_pkey.c @@ -1,16 +1,17 @@ /* p8_pkey.c */ -/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL - * project 1999. +/* + * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project + * 1999. */ /* ==================================================================== - * Copyright (c) 1999 The OpenSSL Project. All rights reserved. + * 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. + * 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 @@ -62,23 +63,83 @@ #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) +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; + /* 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 && key->pkey->type == V_ASN1_OCTET_STRING + && key->pkey->value.octet_string != NULL) + 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_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; +} |