From aa4d426b4d3527d7e166df1a05058c9a4a0f6683 Mon Sep 17 00:00:00 2001 From: Wojtek Kosior Date: Fri, 30 Apr 2021 00:33:56 +0200 Subject: initial/final commit --- openssl-1.1.0h/crypto/asn1/evp_asn1.c | 115 ++++++++++++++++++++++++++++++++++ 1 file changed, 115 insertions(+) create mode 100644 openssl-1.1.0h/crypto/asn1/evp_asn1.c (limited to 'openssl-1.1.0h/crypto/asn1/evp_asn1.c') diff --git a/openssl-1.1.0h/crypto/asn1/evp_asn1.c b/openssl-1.1.0h/crypto/asn1/evp_asn1.c new file mode 100644 index 0000000..a458367 --- /dev/null +++ b/openssl-1.1.0h/crypto/asn1/evp_asn1.c @@ -0,0 +1,115 @@ +/* + * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved. + * + * Licensed under the OpenSSL license (the "License"). You may not use + * this file except in compliance with the License. You can obtain a copy + * in the file LICENSE in the source distribution or at + * https://www.openssl.org/source/license.html + */ + +#include +#include "internal/cryptlib.h" +#include +#include + +int ASN1_TYPE_set_octetstring(ASN1_TYPE *a, unsigned char *data, int len) +{ + ASN1_STRING *os; + + if ((os = ASN1_OCTET_STRING_new()) == NULL) + return (0); + if (!ASN1_OCTET_STRING_set(os, data, len)) { + ASN1_OCTET_STRING_free(os); + return 0; + } + ASN1_TYPE_set(a, V_ASN1_OCTET_STRING, os); + return (1); +} + +/* int max_len: for returned value */ +int ASN1_TYPE_get_octetstring(const ASN1_TYPE *a, unsigned char *data, int max_len) +{ + int ret, num; + const unsigned char *p; + + if ((a->type != V_ASN1_OCTET_STRING) || (a->value.octet_string == NULL)) { + ASN1err(ASN1_F_ASN1_TYPE_GET_OCTETSTRING, ASN1_R_DATA_IS_WRONG); + return (-1); + } + p = ASN1_STRING_get0_data(a->value.octet_string); + ret = ASN1_STRING_length(a->value.octet_string); + if (ret < max_len) + num = ret; + else + num = max_len; + memcpy(data, p, num); + return (ret); +} + +typedef struct { + long num; + ASN1_OCTET_STRING *oct; +} asn1_int_oct; + +ASN1_SEQUENCE(asn1_int_oct) = { + ASN1_SIMPLE(asn1_int_oct, num, LONG), + ASN1_SIMPLE(asn1_int_oct, oct, ASN1_OCTET_STRING) +} static_ASN1_SEQUENCE_END(asn1_int_oct) + +DECLARE_ASN1_ITEM(asn1_int_oct) + +int ASN1_TYPE_set_int_octetstring(ASN1_TYPE *a, long num, unsigned char *data, + int len) +{ + asn1_int_oct atmp; + ASN1_OCTET_STRING oct; + + atmp.num = num; + atmp.oct = &oct; + oct.data = data; + oct.type = V_ASN1_OCTET_STRING; + oct.length = len; + oct.flags = 0; + + if (ASN1_TYPE_pack_sequence(ASN1_ITEM_rptr(asn1_int_oct), &atmp, &a)) + return 1; + return 0; +} + +/* + * we return the actual length... + */ +/* int max_len: for returned value */ +int ASN1_TYPE_get_int_octetstring(const ASN1_TYPE *a, long *num, + unsigned char *data, int max_len) +{ + asn1_int_oct *atmp = NULL; + int ret = -1, n; + + if ((a->type != V_ASN1_SEQUENCE) || (a->value.sequence == NULL)) { + goto err; + } + + atmp = ASN1_TYPE_unpack_sequence(ASN1_ITEM_rptr(asn1_int_oct), a); + + if (atmp == NULL) + goto err; + + if (num != NULL) + *num = atmp->num; + + ret = ASN1_STRING_length(atmp->oct); + if (max_len > ret) + n = ret; + else + n = max_len; + + if (data != NULL) + memcpy(data, ASN1_STRING_get0_data(atmp->oct), n); + if (ret == -1) { + err: + ASN1err(ASN1_F_ASN1_TYPE_GET_INT_OCTETSTRING, ASN1_R_DATA_IS_WRONG); + } + M_ASN1_free_of(atmp, asn1_int_oct); + return ret; +} -- cgit v1.2.3