--- /dev/null
+/* Demo of how to construct your own engine and using it. The basis of this
+ engine is RSAref, an old reference of the RSA algorithm which can still
+ 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"
+
+/*****************************************************************************
+ *** 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);
+#if 0
+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,
+ unsigned char *to, RSA *rsa, int padding);
+static int rsaref_public_encrypt(int len, const unsigned char *from,
+ unsigned char *to, RSA *rsa, int padding);
+static int rsaref_public_decrypt(int len, const unsigned char *from,
+ unsigned char *to, RSA *rsa, int padding);
+static int bnref_mod_exp(BIGNUM *r,const BIGNUM *a,const BIGNUM *p,const BIGNUM *m,
+ BN_CTX *ctx, BN_MONT_CTX *m_ctx);
+static int rsaref_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa);
+
+/*****************************************************************************
+ * Our RSA method
+ **/
+static RSA_METHOD rsaref_rsa =
+{
+ "RSAref PKCS#1 RSA",
+ rsaref_public_encrypt,
+ rsaref_public_decrypt,
+ rsaref_private_encrypt,
+ rsaref_private_decrypt,
+ rsaref_mod_exp,
+ bnref_mod_exp,
+ NULL,
+ NULL,
+ 0,
+ NULL,
+ NULL,
+ NULL
+};
+
+/*****************************************************************************
+ * 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)
+ {
+ const RSA_METHOD *meth1;
+ 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)
+ /* || !ENGINE_set_ctrl_function(e, rsaref_ctrl) */
+ /* || !ENGINE_set_cmd_defns(e, rsaref_cmd_defns) */)
+ return 0;
+
+ /* Ensure the rsaref error handling is set up */
+ ERR_load_RSAREF_strings();
+ return 1;
+ }
+
+#ifdef ENGINE_DYNAMIC_SUPPORT
+static int bind_helper(ENGINE *e, const char *id)
+ {
+ if(id && (strcmp(id, engine_rsaref_id) != 0))
+ return 0;
+ if(!bind_rsaref(e))
+ return 0;
+ return 1;
+ }
+IMPLEMENT_DYNAMIC_CHECK_FN()
+IMPLEMENT_DYNAMIC_BIND_FN(bind_helper)
+#else
+static ENGINE *engine_rsaref(void)
+ {
+ ENGINE *ret = ENGINE_new();
+ if(!ret)
+ return NULL;
+ if(!bind_rsaref(ret))
+ {
+ ENGINE_free(ret);
+ return NULL;
+ }
+ return ret;
+ }
+
+void ENGINE_load_rsaref(void)
+ {
+ /* Copied from eng_[openssl|dyn].c */
+ ENGINE *toadd = engine_rsaref();
+ if(!toadd) return;
+ ENGINE_add(toadd);
+ ENGINE_free(toadd);
+ ERR_clear_error();
+ }
+#endif
+
+/* Initiator which is only present to make sure this engine looks available */
+static int rsaref_init(ENGINE *e)
+ {
+ return 1;
+ }
+
+/* Finisher which is only present to make sure this engine looks available */
+static int rsaref_finish(ENGINE *e)
+ {
+ return 1;
+ }
+
+/* Destructor (complements the "ENGINE_ncipher()" constructor) */
+static int rsaref_destroy(ENGINE *e)
+ {
+ ERR_unload_RSAREF_strings();
+ 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);
+ return(0);
+ }
+
+static int bnref_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
+ const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx)
+ {
+ RSAREFerr(RSAREF_F_BNREF_MOD_EXP,ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
+ return(0);
+ }
+
+/* unsigned char *to: [max] */
+static int RSAref_bn2bin(BIGNUM *from, unsigned char *to, int max)
+ {
+ int i;
+
+ i=BN_num_bytes(from);
+ if (i > max)
+ {
+ RSAREFerr(RSAREF_F_RSAREF_BN2BIN,RSAREF_R_LEN);
+ return(0);
+ }
+
+ memset(to,0,(unsigned int)max);
+ if (!BN_bn2bin(from,&(to[max-i])))
+ return(0);
+ return(1);
+ }
+
+#ifdef undef
+/* unsigned char *from: [max] */
+static BIGNUM *RSAref_bin2bn(unsigned char *from, BIGNUM *to, int max)
+ {
+ int i;
+ BIGNUM *ret;
+
+ for (i=0; i<max; i++)
+ if (from[i]) break;
+
+ ret=BN_bin2bn(&(from[i]),max-i,to);
+ return(ret);
+ }
+
+static int RSAref_Public_ref2eay(RSArefPublicKey *from, RSA *to)
+ {
+ to->n=RSAref_bin2bn(from->m,NULL,RSAref_MAX_LEN);
+ to->e=RSAref_bin2bn(from->e,NULL,RSAref_MAX_LEN);
+ if ((to->n == NULL) || (to->e == NULL)) return(0);
+ return(1);
+ }
+#endif
+
+static int RSAref_Public_eay2ref(RSA *from, R_RSA_PUBLIC_KEY *to)
+ {
+ to->bits=BN_num_bits(from->n);
+ if (!RSAref_bn2bin(from->n,to->modulus,MAX_RSA_MODULUS_LEN)) return(0);
+ if (!RSAref_bn2bin(from->e,to->exponent,MAX_RSA_MODULUS_LEN)) return(0);
+ return(1);
+ }
+
+#ifdef undef
+static int RSAref_Private_ref2eay(RSArefPrivateKey *from, RSA *to)
+ {
+ if ((to->n=RSAref_bin2bn(from->m,NULL,RSAref_MAX_LEN)) == NULL)
+ return(0);
+ if ((to->e=RSAref_bin2bn(from->e,NULL,RSAref_MAX_LEN)) == NULL)
+ return(0);
+ if ((to->d=RSAref_bin2bn(from->d,NULL,RSAref_MAX_LEN)) == NULL)
+ return(0);
+ if ((to->p=RSAref_bin2bn(from->prime[0],NULL,RSAref_MAX_PLEN)) == NULL)
+ return(0);
+ if ((to->q=RSAref_bin2bn(from->prime[1],NULL,RSAref_MAX_PLEN)) == NULL)
+ return(0);
+ if ((to->dmp1=RSAref_bin2bn(from->pexp[0],NULL,RSAref_MAX_PLEN))
+ == NULL)
+ return(0);
+ if ((to->dmq1=RSAref_bin2bn(from->pexp[1],NULL,RSAref_MAX_PLEN))
+ == NULL)
+ return(0);
+ if ((to->iqmp=RSAref_bin2bn(from->coef,NULL,RSAref_MAX_PLEN)) == NULL)
+ return(0);
+ return(1);
+ }
+#endif
+
+static int RSAref_Private_eay2ref(RSA *from, R_RSA_PRIVATE_KEY *to)
+ {
+ to->bits=BN_num_bits(from->n);
+ if (!RSAref_bn2bin(from->n,to->modulus,MAX_RSA_MODULUS_LEN)) return(0);
+ if (!RSAref_bn2bin(from->e,to->publicExponent,MAX_RSA_MODULUS_LEN)) return(0);
+ if (!RSAref_bn2bin(from->d,to->exponent,MAX_RSA_MODULUS_LEN)) return(0);
+ if (!RSAref_bn2bin(from->p,to->prime[0],MAX_RSA_PRIME_LEN)) return(0);
+ if (!RSAref_bn2bin(from->q,to->prime[1],MAX_RSA_PRIME_LEN)) return(0);
+ if (!RSAref_bn2bin(from->dmp1,to->primeExponent[0],MAX_RSA_PRIME_LEN)) return(0);
+ if (!RSAref_bn2bin(from->dmq1,to->primeExponent[1],MAX_RSA_PRIME_LEN)) return(0);
+ if (!RSAref_bn2bin(from->iqmp,to->coefficient,MAX_RSA_PRIME_LEN)) return(0);
+ return(1);
+ }
+
+static int rsaref_private_decrypt(int len, const unsigned char *from, unsigned char *to,
+ RSA *rsa, int padding)
+ {
+ int i,outlen= -1;
+ R_RSA_PRIVATE_KEY RSAkey;
+
+ if (!RSAref_Private_eay2ref(rsa,&RSAkey))
+ goto err;
+ if ((i=RSAPrivateDecrypt(to,(unsigned int *)&outlen,(unsigned char *)from,len,&RSAkey)) != 0)
+ {
+ RSAREFerr(RSAREF_F_RSAREF_PRIVATE_DECRYPT,i);
+ outlen= -1;
+ }
+err:
+ memset(&RSAkey,0,sizeof(RSAkey));
+ return(outlen);
+ }
+
+static int rsaref_private_encrypt(int len, const unsigned char *from, unsigned char *to,
+ RSA *rsa, int padding)
+ {
+ int i,outlen= -1;
+ R_RSA_PRIVATE_KEY RSAkey;
+
+ if (padding != RSA_PKCS1_PADDING)
+ {
+ RSAREFerr(RSAREF_F_RSAREF_PRIVATE_ENCRYPT, RSA_R_UNKNOWN_PADDING_TYPE);
+ goto err;
+ }
+ if (!RSAref_Private_eay2ref(rsa,&RSAkey))
+ goto err;
+ if ((i=RSAPrivateEncrypt(to,(unsigned int *)&outlen,(unsigned char *)from,len,&RSAkey)) != 0)
+ {
+ RSAREFerr(RSAREF_F_RSAREF_PRIVATE_ENCRYPT,i);
+ outlen= -1;
+ }
+err:
+ memset(&RSAkey,0,sizeof(RSAkey));
+ return(outlen);
+ }
+
+static int rsaref_public_decrypt(int len, const unsigned char *from, unsigned char *to,
+ RSA *rsa, int padding)
+ {
+ int i,outlen= -1;
+ R_RSA_PUBLIC_KEY RSAkey;
+
+ if (!RSAref_Public_eay2ref(rsa,&RSAkey))
+ goto err;
+ if ((i=RSAPublicDecrypt(to,(unsigned int *)&outlen,(unsigned char *)from,len,&RSAkey)) != 0)
+ {
+ RSAREFerr(RSAREF_F_RSAREF_PUBLIC_DECRYPT,i);
+ outlen= -1;
+ }
+err:
+ memset(&RSAkey,0,sizeof(RSAkey));
+ return(outlen);
+ }
+
+static int rsaref_public_encrypt(int len, const unsigned char *from, unsigned char *to,
+ RSA *rsa, int padding)
+ {
+ int outlen= -1;
+ int i;
+ R_RSA_PUBLIC_KEY RSAkey;
+ R_RANDOM_STRUCT rnd;
+ unsigned char buf[16];
+
+ if (padding != RSA_PKCS1_PADDING && padding != RSA_SSLV23_PADDING)
+ {
+ RSAREFerr(RSAREF_F_RSAREF_PUBLIC_ENCRYPT, RSA_R_UNKNOWN_PADDING_TYPE);
+ goto err;
+ }
+
+ R_RandomInit(&rnd);
+ R_GetRandomBytesNeeded((unsigned int *)&i,&rnd);
+ while (i > 0)
+ {
+ if (RAND_bytes(buf,16) <= 0)
+ goto err;
+ R_RandomUpdate(&rnd,buf,(unsigned int)((i>16)?16:i));
+ i-=16;
+ }
+
+ if (!RSAref_Public_eay2ref(rsa,&RSAkey))
+ goto err;
+ if ((i=RSAPublicEncrypt(to,(unsigned int *)&outlen,(unsigned char *)from,len,&RSAkey,&rnd)) != 0)
+ {
+ RSAREFerr(RSAREF_F_RSAREF_PUBLIC_ENCRYPT,i);
+ outlen= -1;
+ goto err;
+ }
+err:
+ memset(&RSAkey,0,sizeof(RSAkey));
+ R_RandomFinal(&rnd);
+ 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 / cassiopeia.git / blobdiff