be found a little here and there. */
#include <stdio.h>
+#include <string.h>
#include "./source/global.h"
#include "./source/rsaref.h"
#include "./source/rsa.h"
+#include "./source/des.h"
#include <openssl/err.h>
+#define OPENSSL_NO_MD2
+#define OPENSSL_NO_MD5
+#include <openssl/evp.h>
#include <openssl/bn.h>
#include <openssl/engine.h>
#define RSAREF_LIB_NAME "rsaref engine"
#include "rsaref_err.c"
-/* Constants used when creating the ENGINE */
+/*****************************************************************************
+ *** Function declarations and global variable definitions ***
+ *****************************************************************************/
+
+/*****************************************************************************
+ * Constants used when creating the ENGINE
+ **/
static const char *engine_rsaref_id = "rsaref";
static const char *engine_rsaref_name = "RSAref engine support";
+/*****************************************************************************
+ * Functions to handle the engine
+ **/
static int rsaref_destroy(ENGINE *e);
static int rsaref_init(ENGINE *e);
static int rsaref_finish(ENGINE *e);
static int rsaref_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)());
#endif
+/*****************************************************************************
+ * Engine commands
+ **/
+static const ENGINE_CMD_DEFN rsaref_cmd_defns[] = {
+ {0, NULL, NULL, 0}
+ };
+
+/*****************************************************************************
+ * RSA functions
+ **/
static int rsaref_private_decrypt(int len, const unsigned char *from,
unsigned char *to, RSA *rsa, int padding);
static int rsaref_private_encrypt(int len, const unsigned char *from,
BN_CTX *ctx, BN_MONT_CTX *m_ctx);
static int rsaref_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa);
-static const ENGINE_CMD_DEFN rsaref_cmd_defns[] = {
- {0, NULL, NULL, 0}
- };
-
+/*****************************************************************************
+ * Our RSA method
+ **/
static RSA_METHOD rsaref_rsa =
{
"RSAref PKCS#1 RSA",
NULL
};
-/* Now, to our own code */
+/*****************************************************************************
+ * Symetric cipher and digest function registrars
+ **/
+static int rsaref_ciphers(ENGINE *e, const EVP_CIPHER **cipher,
+ const int **nids, int nid);
+static int rsaref_digests(ENGINE *e, const EVP_MD **digest,
+ const int **nids, int nid);
+
+static int rsaref_cipher_nids[] =
+ { NID_des_cbc, NID_des_ede3_cbc, NID_desx_cbc, 0 };
+static int rsaref_digest_nids[] =
+ { NID_md2, NID_md5, 0 };
+
+/*****************************************************************************
+ * DES functions
+ **/
+static int cipher_des_cbc_init(EVP_CIPHER_CTX *ctx, const unsigned char *key,
+ const unsigned char *iv, int enc);
+static int cipher_des_cbc_code(EVP_CIPHER_CTX *ctx, unsigned char *out,
+ const unsigned char *in, unsigned int inl);
+static int cipher_des_cbc_clean(EVP_CIPHER_CTX *);
+static int cipher_des_ede3_cbc_init(EVP_CIPHER_CTX *ctx, const unsigned char *key,
+ const unsigned char *iv, int enc);
+static int cipher_des_ede3_cbc_code(EVP_CIPHER_CTX *ctx, unsigned char *out,
+ const unsigned char *in, unsigned int inl);
+static int cipher_des_ede3_cbc_clean(EVP_CIPHER_CTX *);
+static int cipher_desx_cbc_init(EVP_CIPHER_CTX *ctx, const unsigned char *key,
+ const unsigned char *iv, int enc);
+static int cipher_desx_cbc_code(EVP_CIPHER_CTX *ctx, unsigned char *out,
+ const unsigned char *in, unsigned int inl);
+static int cipher_desx_cbc_clean(EVP_CIPHER_CTX *);
+
+/*****************************************************************************
+ * Our DES ciphers
+ **/
+static const EVP_CIPHER cipher_des_cbc =
+ {
+ NID_des_cbc,
+ 8, 8, 8,
+ 0 | EVP_CIPH_CBC_MODE,
+ cipher_des_cbc_init,
+ cipher_des_cbc_code,
+ cipher_des_cbc_clean,
+ sizeof(DES_CBC_CTX),
+ NULL,
+ NULL,
+ NULL,
+ NULL
+ };
+
+static const EVP_CIPHER cipher_des_ede3_cbc =
+ {
+ NID_des_ede3_cbc,
+ 8, 24, 8,
+ 0 | EVP_CIPH_CBC_MODE,
+ cipher_des_ede3_cbc_init,
+ cipher_des_ede3_cbc_code,
+ cipher_des_ede3_cbc_clean,
+ sizeof(DES3_CBC_CTX),
+ NULL,
+ NULL,
+ NULL,
+ NULL
+ };
+
+static const EVP_CIPHER cipher_desx_cbc =
+ {
+ NID_desx_cbc,
+ 8, 24, 8,
+ 0 | EVP_CIPH_CBC_MODE,
+ cipher_desx_cbc_init,
+ cipher_desx_cbc_code,
+ cipher_desx_cbc_clean,
+ sizeof(DESX_CBC_CTX),
+ NULL,
+ NULL,
+ NULL,
+ NULL
+ };
+
+/*****************************************************************************
+ * MD functions
+ **/
+static int digest_md2_init(EVP_MD_CTX *ctx);
+static int digest_md2_update(EVP_MD_CTX *ctx,const void *data,
+ unsigned long count);
+static int digest_md2_final(EVP_MD_CTX *ctx,unsigned char *md);
+static int digest_md5_init(EVP_MD_CTX *ctx);
+static int digest_md5_update(EVP_MD_CTX *ctx,const void *data,
+ unsigned long count);
+static int digest_md5_final(EVP_MD_CTX *ctx,unsigned char *md);
+
+/*****************************************************************************
+ * Our MD digests
+ **/
+static const EVP_MD digest_md2 =
+ {
+ NID_md2,
+ NID_md2WithRSAEncryption,
+ 16,
+ 0,
+ digest_md2_init,
+ digest_md2_update,
+ digest_md2_final,
+ NULL,
+ NULL,
+ EVP_PKEY_RSA_method,
+ 16,
+ sizeof(MD2_CTX)
+ };
+
+static const EVP_MD digest_md5 =
+ {
+ NID_md5,
+ NID_md5WithRSAEncryption,
+ 16,
+ 0,
+ digest_md5_init,
+ digest_md5_update,
+ digest_md5_final,
+ NULL,
+ NULL,
+ EVP_PKEY_RSA_method,
+ 64,
+ sizeof(MD5_CTX)
+ };
+
+/*****************************************************************************
+ *** Function definitions ***
+ *****************************************************************************/
+
+/*****************************************************************************
+ * Functions to handle the engine
+ **/
static int bind_rsaref(ENGINE *e)
{
if(!ENGINE_set_id(e, engine_rsaref_id)
|| !ENGINE_set_name(e, engine_rsaref_name)
|| !ENGINE_set_RSA(e, &rsaref_rsa)
+ || !ENGINE_set_ciphers(e, rsaref_ciphers)
+ || !ENGINE_set_digests(e, rsaref_digests)
|| !ENGINE_set_destroy_function(e, rsaref_destroy)
|| !ENGINE_set_init_function(e, rsaref_init)
|| !ENGINE_set_finish_function(e, rsaref_finish)
return 1;
}
+/*****************************************************************************
+ * RSA functions
+ **/
+
static int rsaref_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa)
{
RSAREFerr(RSAREF_F_RSAREF_MOD_EXP,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
if (!RSAref_Private_eay2ref(rsa,&RSAkey))
goto err;
- if ((i=RSAPrivateDecrypt(to,&outlen,(unsigned char *)from,len,&RSAkey)) != 0)
+ if ((i=RSAPrivateDecrypt(to,(unsigned int *)&outlen,(unsigned char *)from,len,&RSAkey)) != 0)
{
RSAREFerr(RSAREF_F_RSAREF_PRIVATE_DECRYPT,i);
outlen= -1;
}
if (!RSAref_Private_eay2ref(rsa,&RSAkey))
goto err;
- if ((i=RSAPrivateEncrypt(to,&outlen,(unsigned char *)from,len,&RSAkey)) != 0)
+ if ((i=RSAPrivateEncrypt(to,(unsigned int *)&outlen,(unsigned char *)from,len,&RSAkey)) != 0)
{
RSAREFerr(RSAREF_F_RSAREF_PRIVATE_ENCRYPT,i);
outlen= -1;
if (!RSAref_Public_eay2ref(rsa,&RSAkey))
goto err;
- if ((i=RSAPublicDecrypt(to,&outlen,(unsigned char *)from,len,&RSAkey)) != 0)
+ if ((i=RSAPublicDecrypt(to,(unsigned int *)&outlen,(unsigned char *)from,len,&RSAkey)) != 0)
{
RSAREFerr(RSAREF_F_RSAREF_PUBLIC_DECRYPT,i);
outlen= -1;
if (!RSAref_Public_eay2ref(rsa,&RSAkey))
goto err;
- if ((i=RSAPublicEncrypt(to,&outlen,(unsigned char *)from,len,&RSAkey,&rnd)) != 0)
+ if ((i=RSAPublicEncrypt(to,(unsigned int *)&outlen,(unsigned char *)from,len,&RSAkey,&rnd)) != 0)
{
RSAREFerr(RSAREF_F_RSAREF_PUBLIC_ENCRYPT,i);
outlen= -1;
memset(&rnd,0,sizeof(rnd));
return(outlen);
}
+
+/*****************************************************************************
+ * Symetric cipher and digest function registrars
+ **/
+static int rsaref_ciphers(ENGINE *e, const EVP_CIPHER **cipher,
+ const int **nids, int nid)
+ {
+ int ok = 1;
+ if(!cipher)
+ {
+ /* We are returning a list of supported nids */
+ *nids = rsaref_cipher_nids;
+ return (sizeof(rsaref_cipher_nids)-1)/sizeof(rsaref_cipher_nids[0]);
+ }
+ /* We are being asked for a specific cipher */
+ switch (nid)
+ {
+ case NID_des_cbc:
+ *cipher = &cipher_des_cbc; break;
+ case NID_des_ede3_cbc:
+ *cipher = &cipher_des_ede3_cbc; break;
+ case NID_desx_cbc:
+ *cipher = &cipher_desx_cbc; break;
+ default:
+ ok = 0;
+ *cipher = NULL;
+ break;
+ }
+ return ok;
+ }
+static int rsaref_digests(ENGINE *e, const EVP_MD **digest,
+ const int **nids, int nid)
+ {
+ int ok = 1;
+ if(!digest)
+ {
+ /* We are returning a list of supported nids */
+ *nids = rsaref_digest_nids;
+ return (sizeof(rsaref_digest_nids)-1)/sizeof(rsaref_digest_nids[0]);
+ }
+ /* We are being asked for a specific digest */
+ switch (nid)
+ {
+ case NID_md2:
+ *digest = &digest_md2; break;
+ case NID_md5:
+ *digest = &digest_md5; break;
+ default:
+ ok = 0;
+ *digest = NULL;
+ break;
+ }
+ return ok;
+ }
+
+/*****************************************************************************
+ * DES functions
+ **/
+#undef data
+#define data(ctx) ((DES_CBC_CTX *)(ctx)->cipher_data)
+static int cipher_des_cbc_init(EVP_CIPHER_CTX *ctx, const unsigned char *key,
+ const unsigned char *iv, int enc)
+ {
+ DES_CBCInit(data(ctx), (unsigned char *)key, (unsigned char *)iv, enc);
+ return 1;
+ }
+static int cipher_des_cbc_code(EVP_CIPHER_CTX *ctx, unsigned char *out,
+ const unsigned char *in, unsigned int inl)
+ {
+ int ret = DES_CBCUpdate(data(ctx), out, (unsigned char *)in, inl);
+ switch (ret)
+ {
+ case RE_LEN:
+ RSAREFerr(RSAREF_F_CIPHER_DES_CBC_CODE,RSAREF_R_LENGTH_NOT_BLOCK_ALIGNED);
+ break;
+ case 0:
+ break;
+ default:
+ RSAREFerr(RSAREF_F_CIPHER_DES_CBC_CODE,RSAREF_R_UNKNOWN_FAULT);
+ }
+ return !ret;
+ }
+static int cipher_des_cbc_clean(EVP_CIPHER_CTX *ctx)
+ {
+ memset(data(ctx), 0, ctx->cipher->ctx_size);
+ return 1;
+ }
+
+#undef data
+#define data(ctx) ((DES3_CBC_CTX *)(ctx)->cipher_data)
+static int cipher_des_ede3_cbc_init(EVP_CIPHER_CTX *ctx, const unsigned char *key,
+ const unsigned char *iv, int enc)
+ {
+ DES3_CBCInit(data(ctx), (unsigned char *)key, (unsigned char *)iv,
+ enc);
+ return 1;
+ }
+static int cipher_des_ede3_cbc_code(EVP_CIPHER_CTX *ctx, unsigned char *out,
+ const unsigned char *in, unsigned int inl)
+ {
+ int ret = DES3_CBCUpdate(data(ctx), out, (unsigned char *)in, inl);
+ switch (ret)
+ {
+ case RE_LEN:
+ RSAREFerr(RSAREF_F_CIPHER_DES_CBC_CODE,RSAREF_R_LENGTH_NOT_BLOCK_ALIGNED);
+ break;
+ case 0:
+ break;
+ default:
+ RSAREFerr(RSAREF_F_CIPHER_DES_CBC_CODE,RSAREF_R_UNKNOWN_FAULT);
+ }
+ return !ret;
+ }
+static int cipher_des_ede3_cbc_clean(EVP_CIPHER_CTX *ctx)
+ {
+ memset(data(ctx), 0, ctx->cipher->ctx_size);
+ return 1;
+ }
+
+#undef data
+#define data(ctx) ((DESX_CBC_CTX *)(ctx)->cipher_data)
+static int cipher_desx_cbc_init(EVP_CIPHER_CTX *ctx, const unsigned char *key,
+ const unsigned char *iv, int enc)
+ {
+ DESX_CBCInit(data(ctx), (unsigned char *)key, (unsigned char *)iv,
+ enc);
+ return 1;
+ }
+static int cipher_desx_cbc_code(EVP_CIPHER_CTX *ctx, unsigned char *out,
+ const unsigned char *in, unsigned int inl)
+ {
+ int ret = DESX_CBCUpdate(data(ctx), out, (unsigned char *)in, inl);
+ switch (ret)
+ {
+ case RE_LEN:
+ RSAREFerr(RSAREF_F_CIPHER_DES_CBC_CODE,RSAREF_R_LENGTH_NOT_BLOCK_ALIGNED);
+ break;
+ case 0:
+ break;
+ default:
+ RSAREFerr(RSAREF_F_CIPHER_DES_CBC_CODE,RSAREF_R_UNKNOWN_FAULT);
+ }
+ return !ret;
+ }
+static int cipher_desx_cbc_clean(EVP_CIPHER_CTX *ctx)
+ {
+ memset(data(ctx), 0, ctx->cipher->ctx_size);
+ return 1;
+ }
+
+/*****************************************************************************
+ * MD functions
+ **/
+#undef data
+#define data(ctx) ((MD2_CTX *)(ctx)->md_data)
+static int digest_md2_init(EVP_MD_CTX *ctx)
+ {
+ MD2Init(data(ctx));
+ return 1;
+ }
+static int digest_md2_update(EVP_MD_CTX *ctx,const void *data,
+ unsigned long count)
+ {
+ MD2Update(data(ctx), (unsigned char *)data, (unsigned int)count);
+ return 1;
+ }
+static int digest_md2_final(EVP_MD_CTX *ctx,unsigned char *md)
+ {
+ MD2Final(md, data(ctx));
+ return 1;
+ }
+
+#undef data
+#define data(ctx) ((MD5_CTX *)(ctx)->md_data)
+static int digest_md5_init(EVP_MD_CTX *ctx)
+ {
+ MD5Init(data(ctx));
+ return 1;
+ }
+static int digest_md5_update(EVP_MD_CTX *ctx,const void *data,
+ unsigned long count)
+ {
+ MD5Update(data(ctx), (unsigned char *)data, (unsigned int)count);
+ return 1;
+ }
+static int digest_md5_final(EVP_MD_CTX *ctx,unsigned char *md)
+ {
+ MD5Final(md, data(ctx));
+ return 1;
+ }
projects / openssl.git / blobdiff