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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
#if !defined(OPENSSL_NO_HMAC)
# include <openssl/hmac.h>
#endif
#include <openssl/x509_vfy.h>
#include "openssl_missing.h"
/* added in 0.9.8X */
#if !defined(HAVE_EVP_CIPHER_CTX_NEW)
EVP_CIPHER_CTX *
ossl_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
ossl_EVP_CIPHER_CTX_free(EVP_CIPHER_CTX *ctx)
{
if (ctx) {
EVP_CIPHER_CTX_cleanup(ctx);
OPENSSL_free(ctx);
}
}
#endif
/* added in 1.0.0 */
#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
ossl_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(OPENSSL_NO_HMAC)
#if !defined(HAVE_HMAC_CTX_COPY)
int
ossl_HMAC_CTX_copy(HMAC_CTX *out, HMAC_CTX *in)
{
if (!out || !in)
return 0;
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);
return 1;
}
#endif /* HAVE_HMAC_CTX_COPY */
#endif /* NO_HMAC */
/* added in 1.0.2 */
#if !defined(OPENSSL_NO_EC)
#if !defined(HAVE_EC_CURVE_NIST2NID)
static struct {
const char *name;
int nid;
} nist_curves[] = {
{"B-163", NID_sect163r2},
{"B-233", NID_sect233r1},
{"B-283", NID_sect283r1},
{"B-409", NID_sect409r1},
{"B-571", NID_sect571r1},
{"K-163", NID_sect163k1},
{"K-233", NID_sect233k1},
{"K-283", NID_sect283k1},
{"K-409", NID_sect409k1},
{"K-571", NID_sect571k1},
{"P-192", NID_X9_62_prime192v1},
{"P-224", NID_secp224r1},
{"P-256", NID_X9_62_prime256v1},
{"P-384", NID_secp384r1},
{"P-521", NID_secp521r1}
};
int
ossl_EC_curve_nist2nid(const char *name)
{
size_t i;
for (i = 0; i < (sizeof(nist_curves) / sizeof(nist_curves[0])); i++) {
if (!strcmp(nist_curves[i].name, name))
return nist_curves[i].nid;
}
return NID_undef;
}
#endif
#endif
/*** added in 1.1.0 ***/
#if !defined(HAVE_HMAC_CTX_NEW)
HMAC_CTX *
ossl_HMAC_CTX_new(void)
{
HMAC_CTX *ctx = OPENSSL_malloc(sizeof(HMAC_CTX));
if (!ctx)
return NULL;
HMAC_CTX_init(ctx);
return ctx;
}
#endif
#if !defined(HAVE_HMAC_CTX_FREE)
void
ossl_HMAC_CTX_free(HMAC_CTX *ctx)
{
if (ctx) {
HMAC_CTX_cleanup(ctx);
OPENSSL_free(ctx);
}
}
#endif
#if !defined(HAVE_X509_CRL_GET0_SIGNATURE)
void
ossl_X509_CRL_get0_signature(const X509_CRL *crl, const ASN1_BIT_STRING **psig,
const X509_ALGOR **palg)
{
if (psig != NULL)
*psig = crl->signature;
if (palg != NULL)
*palg = crl->sig_alg;
}
#endif
#if !defined(HAVE_X509_REQ_GET0_SIGNATURE)
void
ossl_X509_REQ_get0_signature(const X509_REQ *req, const ASN1_BIT_STRING **psig,
const X509_ALGOR **palg)
{
if (psig != NULL)
*psig = req->signature;
if (palg != NULL)
*palg = req->sig_alg;
}
#endif
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