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/*
* 'OpenSSL for Ruby' project
* Copyright (C) 2001-2002 Michal Rokos <m.rokos@sh.cvut.cz>
* All rights reserved.
*/
/*
* This program is licensed under the same licence as Ruby.
* (See the file 'LICENCE'.)
*/
#include RUBY_EXTCONF_H
#include <string.h> /* memcpy() */
#if !defined(OPENSSL_NO_ENGINE)
# include <openssl/engine.h>
#endif
#include <openssl/hmac.h>
#include <openssl/x509_vfy.h>
#include "openssl_missing.h"
/*** added in 0.9.8X ***/
#if !defined(HAVE_EVP_CIPHER_CTX_NEW)
EVP_CIPHER_CTX *
EVP_CIPHER_CTX_new(void)
{
EVP_CIPHER_CTX *ctx = OPENSSL_malloc(sizeof(EVP_CIPHER_CTX));
if (!ctx)
return NULL;
EVP_CIPHER_CTX_init(ctx);
return ctx;
}
#endif
#if !defined(HAVE_EVP_CIPHER_CTX_FREE)
void
EVP_CIPHER_CTX_free(EVP_CIPHER_CTX *ctx)
{
EVP_CIPHER_CTX_cleanup(ctx);
OPENSSL_free(ctx);
}
#endif
/*** added in 1.0.0 ***/
#if !defined(HAVE_HMAC_CTX_COPY)
void
HMAC_CTX_copy(HMAC_CTX *out, HMAC_CTX *in)
{
if (!out || !in) return;
memcpy(out, in, sizeof(HMAC_CTX));
EVP_MD_CTX_copy(&out->md_ctx, &in->md_ctx);
EVP_MD_CTX_copy(&out->i_ctx, &in->i_ctx);
EVP_MD_CTX_copy(&out->o_ctx, &in->o_ctx);
}
#endif /* HAVE_HMAC_CTX_COPY */
#if !defined(HAVE_EVP_CIPHER_CTX_COPY)
/*
* this function does not exist in OpenSSL yet... or ever?.
* a future version may break this function.
* tested on 0.9.7d.
*/
int
EVP_CIPHER_CTX_copy(EVP_CIPHER_CTX *out, const EVP_CIPHER_CTX *in)
{
memcpy(out, in, sizeof(EVP_CIPHER_CTX));
#if !defined(OPENSSL_NO_ENGINE)
if (in->engine) ENGINE_add(out->engine);
if (in->cipher_data) {
out->cipher_data = OPENSSL_malloc(in->cipher->ctx_size);
memcpy(out->cipher_data, in->cipher_data, in->cipher->ctx_size);
}
#endif
return 1;
}
#endif
#if !defined(HAVE_X509_STORE_SET_EX_DATA)
int X509_STORE_set_ex_data(X509_STORE *str, int idx, void *data)
{
return CRYPTO_set_ex_data(&str->ex_data, idx, data);
}
#endif
#if !defined(HAVE_X509_STORE_GET_EX_DATA)
void *X509_STORE_get_ex_data(X509_STORE *str, int idx)
{
return CRYPTO_get_ex_data(&str->ex_data, idx);
}
#endif
#if !defined(HAVE_CRYPTO_MEMCMP)
int
CRYPTO_memcmp(const volatile void * volatile in_a,
const volatile void * volatile in_b,
size_t len)
{
size_t i;
const volatile unsigned char *a = in_a;
const volatile unsigned char *b = in_b;
unsigned char x = 0;
for (i = 0; i < len; i++)
x |= a[i] ^ b[i];
return x;
}
#endif
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