X-Git-Url: https://code.wpia.club/?a=blobdiff_plain;f=lib%2Fopenssl%2Fdemos%2Fengines%2Frsaref%2Frsaref.c;fp=lib%2Fopenssl%2Fdemos%2Fengines%2Frsaref%2Frsaref.c;h=0000000000000000000000000000000000000000;hb=02ed66432c92de70694700164f986190aad3cbc5;hp=f97974fc497939f3734679abf72d9d320d01f705;hpb=89016837dcbf2775cd15dc8cbaba00dc6379f86e;p=cassiopeia.git diff --git a/lib/openssl/demos/engines/rsaref/rsaref.c b/lib/openssl/demos/engines/rsaref/rsaref.c deleted file mode 100644 index f97974f..0000000 --- a/lib/openssl/demos/engines/rsaref/rsaref.c +++ /dev/null @@ -1,685 +0,0 @@ -/* 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 -#include -#include "./source/global.h" -#include "./source/rsaref.h" -#include "./source/rsa.h" -#include "./source/des.h" -#include -#define OPENSSL_NO_MD2 -#define OPENSSL_NO_MD5 -#include -#include -#include - -#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; in=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; - }