diff options
Diffstat (limited to 'src/crypto/x509v3/v3_skey.c')
| -rw-r--r-- | src/crypto/x509v3/v3_skey.c | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/src/crypto/x509v3/v3_skey.c b/src/crypto/x509v3/v3_skey.c new file mode 100644 index 0000000..471a1ab --- /dev/null +++ b/src/crypto/x509v3/v3_skey.c @@ -0,0 +1,148 @@ +/* v3_skey.c */ +/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL + * project 1999. + */ +/* ==================================================================== + * Copyright (c) 1999 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 <string.h> + +#include <openssl/digest.h> +#include <openssl/err.h> +#include <openssl/obj.h> +#include <openssl/x509v3.h> + + +static ASN1_OCTET_STRING *s2i_skey_id(X509V3_EXT_METHOD *method, X509V3_CTX *ctx, char *str); +const X509V3_EXT_METHOD v3_skey_id = { +NID_subject_key_identifier, 0, ASN1_ITEM_ref(ASN1_OCTET_STRING), +0,0,0,0, +(X509V3_EXT_I2S)i2s_ASN1_OCTET_STRING, +(X509V3_EXT_S2I)s2i_skey_id, +0,0,0,0, +NULL}; + +char *i2s_ASN1_OCTET_STRING(X509V3_EXT_METHOD *method, + ASN1_OCTET_STRING *oct) +{ + return hex_to_string(oct->data, oct->length); +} + +ASN1_OCTET_STRING *s2i_ASN1_OCTET_STRING(X509V3_EXT_METHOD *method, + X509V3_CTX *ctx, char *str) +{ + ASN1_OCTET_STRING *oct; + long length; + + if(!(oct = M_ASN1_OCTET_STRING_new())) { + OPENSSL_PUT_ERROR(X509V3, s2i_ASN1_OCTET_STRING, ERR_R_MALLOC_FAILURE); + return NULL; + } + + if(!(oct->data = string_to_hex(str, &length))) { + M_ASN1_OCTET_STRING_free(oct); + return NULL; + } + + oct->length = length; + + return oct; + +} + +static ASN1_OCTET_STRING *s2i_skey_id(X509V3_EXT_METHOD *method, + X509V3_CTX *ctx, char *str) +{ + ASN1_OCTET_STRING *oct; + ASN1_BIT_STRING *pk; + unsigned char pkey_dig[EVP_MAX_MD_SIZE]; + unsigned int diglen; + + if(strcmp(str, "hash")) return s2i_ASN1_OCTET_STRING(method, ctx, str); + + if(!(oct = M_ASN1_OCTET_STRING_new())) { + OPENSSL_PUT_ERROR(X509V3, s2i_skey_id, ERR_R_MALLOC_FAILURE); + return NULL; + } + + if(ctx && (ctx->flags == CTX_TEST)) return oct; + + if(!ctx || (!ctx->subject_req && !ctx->subject_cert)) { + OPENSSL_PUT_ERROR(X509V3, s2i_skey_id, X509V3_R_NO_PUBLIC_KEY); + goto err; + } + + if(ctx->subject_req) + pk = ctx->subject_req->req_info->pubkey->public_key; + else pk = ctx->subject_cert->cert_info->key->public_key; + + if(!pk) { + OPENSSL_PUT_ERROR(X509V3, s2i_skey_id, X509V3_R_NO_PUBLIC_KEY); + goto err; + } + + if (!EVP_Digest(pk->data, pk->length, pkey_dig, &diglen, EVP_sha1(), NULL)) + goto err; + + if(!M_ASN1_OCTET_STRING_set(oct, pkey_dig, diglen)) { + OPENSSL_PUT_ERROR(X509V3, s2i_skey_id, ERR_R_MALLOC_FAILURE); + goto err; + } + + return oct; + + err: + M_ASN1_OCTET_STRING_free(oct); + return NULL; +} |