diff options
author | Dr. Stephen Henson <steve@openssl.org> | 2006-04-11 13:28:52 +0000 |
---|---|---|
committer | Dr. Stephen Henson <steve@openssl.org> | 2006-04-11 13:28:52 +0000 |
commit | f5cda4cbb17c908ceef33f4f52d94e8e04b7c1ab (patch) | |
tree | 851abcd3b7178040056cbb1ce397bbc526774041 /crypto | |
parent | f9a6348a537290f65fd76d945419a4c9bafff012 (diff) | |
download | openssl-new-f5cda4cbb17c908ceef33f4f52d94e8e04b7c1ab.tar.gz |
Initial keygen support.
Diffstat (limited to 'crypto')
-rw-r--r-- | crypto/asn1/ameth_lib.c | 2 | ||||
-rw-r--r-- | crypto/evp/Makefile | 4 | ||||
-rw-r--r-- | crypto/evp/evp.h | 21 | ||||
-rw-r--r-- | crypto/evp/evp_err.c | 4 | ||||
-rw-r--r-- | crypto/evp/evp_locl.h | 14 | ||||
-rw-r--r-- | crypto/evp/pmeth_gn.c | 193 | ||||
-rw-r--r-- | crypto/evp/pmeth_lib.c | 45 | ||||
-rw-r--r-- | crypto/rsa/rsa_pmeth.c | 37 |
8 files changed, 308 insertions, 12 deletions
diff --git a/crypto/asn1/ameth_lib.c b/crypto/asn1/ameth_lib.c index 14b5aa335b..4dd0dfa62b 100644 --- a/crypto/asn1/ameth_lib.c +++ b/crypto/asn1/ameth_lib.c @@ -160,6 +160,8 @@ const EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_find_str(const char *str, int len) { int i; const EVP_PKEY_ASN1_METHOD *ameth; + if (len == -1) + len = strlen(str); for (i = 0; i < EVP_PKEY_asn1_get_count(); i++) { ameth = EVP_PKEY_asn1_get0(i); diff --git a/crypto/evp/Makefile b/crypto/evp/Makefile index cad6e9a88a..9b8a57fc19 100644 --- a/crypto/evp/Makefile +++ b/crypto/evp/Makefile @@ -28,7 +28,7 @@ LIBSRC= encode.c digest.c evp_enc.c evp_key.c evp_acnf.c \ bio_md.c bio_b64.c bio_enc.c evp_err.c e_null.c \ c_all.c c_allc.c c_alld.c evp_lib.c bio_ok.c \ evp_pkey.c evp_pbe.c p5_crpt.c p5_crpt2.c \ - e_old.c pmeth_lib.c pmeth_fn.c + e_old.c pmeth_lib.c pmeth_fn.c pmeth_gn.c LIBOBJ= encode.o digest.o evp_enc.o evp_key.o evp_acnf.o \ e_des.o e_bf.o e_idea.o e_des3.o \ @@ -40,7 +40,7 @@ LIBOBJ= encode.o digest.o evp_enc.o evp_key.o evp_acnf.o \ bio_md.o bio_b64.o bio_enc.o evp_err.o e_null.o \ c_all.o c_allc.o c_alld.o evp_lib.o bio_ok.o \ evp_pkey.o evp_pbe.o p5_crpt.o p5_crpt2.o \ - e_old.o pmeth_lib.o pmeth_fn.o + e_old.o pmeth_lib.o pmeth_fn.o pmeth_gn.o SRC= $(LIBSRC) diff --git a/crypto/evp/evp.h b/crypto/evp/evp.h index 7d089fe931..6ad54647b9 100644 --- a/crypto/evp/evp.h +++ b/crypto/evp/evp.h @@ -937,7 +937,8 @@ void EVP_PKEY_asn1_set_ctrl(EVP_PKEY_ASN1_METHOD *ameth, #define EVP_PKEY_ALG_CTRL 0x1000 const EVP_PKEY_METHOD *EVP_PKEY_meth_find(int type, ENGINE *e); -EVP_PKEY_CTX *EVP_PKEY_CTX_new(EVP_PKEY *pkey); +EVP_PKEY_CTX *EVP_PKEY_CTX_new(EVP_PKEY *pkey, ENGINE *e); +EVP_PKEY_CTX *EVP_PKEY_CTX_new_id(int id, ENGINE *e); void EVP_PKEY_CTX_free(EVP_PKEY_CTX *ctx); int EVP_PKEY_CTX_ctrl(EVP_PKEY_CTX *ctx, int keytype, int optype, @@ -945,6 +946,10 @@ int EVP_PKEY_CTX_ctrl(EVP_PKEY_CTX *ctx, int keytype, int optype, int EVP_PKEY_CTX_ctrl_str(EVP_PKEY_CTX *ctx, const char *type, const char *value); +void EVP_PKEY_CTX_set_data(EVP_PKEY_CTX *ctx, void *data); +void *EVP_PKEY_CTX_get_data(EVP_PKEY_CTX *ctx); +void EVP_PKEY_CTX_set_app_data(EVP_PKEY_CTX *ctx, void *data); +void *EVP_PKEY_CTX_get_app_data(EVP_PKEY_CTX *ctx); int EVP_PKEY_sign_init(EVP_PKEY_CTX *ctx); int EVP_PKEY_sign(EVP_PKEY_CTX *ctx, @@ -967,6 +972,16 @@ int EVP_PKEY_decrypt(EVP_PKEY_CTX *ctx, unsigned char *out, int *outlen, const unsigned char *in, int inlen); +typedef int EVP_PKEY_gen_cb(EVP_PKEY_CTX *ctx); + +int EVP_PKEY_paramgen_init(EVP_PKEY_CTX *ctx); +int EVP_PKEY_paramgen(EVP_PKEY_CTX *ctx, EVP_PKEY **ppkey); +int EVP_PKEY_keygen_init(EVP_PKEY_CTX *ctx); +int EVP_PKEY_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY **ppkey); + +void EVP_PKEY_CTX_set_cb(EVP_PKEY_CTX *ctx, EVP_PKEY_gen_cb *cb); +int EVP_PKEY_CTX_get_keygen_info(EVP_PKEY_CTX *ctx, int idx); + /* BEGIN ERROR CODES */ /* The following lines are auto generated by the script mkerr.pl. Any changes * made after this point may be overwritten when the script is next run. @@ -1006,7 +1021,11 @@ void ERR_load_EVP_strings(void); #define EVP_F_EVP_PKEY_GET1_ECDSA 130 #define EVP_F_EVP_PKEY_GET1_EC_KEY 131 #define EVP_F_EVP_PKEY_GET1_RSA 121 +#define EVP_F_EVP_PKEY_KEYGEN 146 +#define EVP_F_EVP_PKEY_KEYGEN_INIT 147 #define EVP_F_EVP_PKEY_NEW 106 +#define EVP_F_EVP_PKEY_PARAMGEN 148 +#define EVP_F_EVP_PKEY_PARAMGEN_INIT 149 #define EVP_F_EVP_PKEY_SIGN 140 #define EVP_F_EVP_PKEY_SIGN_INIT 141 #define EVP_F_EVP_PKEY_VERIFY 142 diff --git a/crypto/evp/evp_err.c b/crypto/evp/evp_err.c index 0f14fa8a7d..c3e51f89e0 100644 --- a/crypto/evp/evp_err.c +++ b/crypto/evp/evp_err.c @@ -100,7 +100,11 @@ static ERR_STRING_DATA EVP_str_functs[]= {ERR_FUNC(EVP_F_EVP_PKEY_GET1_ECDSA), "EVP_PKEY_GET1_ECDSA"}, {ERR_FUNC(EVP_F_EVP_PKEY_GET1_EC_KEY), "EVP_PKEY_get1_EC_KEY"}, {ERR_FUNC(EVP_F_EVP_PKEY_GET1_RSA), "EVP_PKEY_get1_RSA"}, +{ERR_FUNC(EVP_F_EVP_PKEY_KEYGEN), "EVP_PKEY_KEYGEN"}, +{ERR_FUNC(EVP_F_EVP_PKEY_KEYGEN_INIT), "EVP_PKEY_KEYGEN_INIT"}, {ERR_FUNC(EVP_F_EVP_PKEY_NEW), "EVP_PKEY_new"}, +{ERR_FUNC(EVP_F_EVP_PKEY_PARAMGEN), "EVP_PKEY_PARAMGEN"}, +{ERR_FUNC(EVP_F_EVP_PKEY_PARAMGEN_INIT), "EVP_PKEY_PARAMGEN_INIT"}, {ERR_FUNC(EVP_F_EVP_PKEY_SIGN), "EVP_PKEY_sign"}, {ERR_FUNC(EVP_F_EVP_PKEY_SIGN_INIT), "EVP_PKEY_sign_init"}, {ERR_FUNC(EVP_F_EVP_PKEY_VERIFY), "EVP_PKEY_verify"}, diff --git a/crypto/evp/evp_locl.h b/crypto/evp/evp_locl.h index 983dae7845..3edfd9949f 100644 --- a/crypto/evp/evp_locl.h +++ b/crypto/evp/evp_locl.h @@ -235,7 +235,6 @@ const EVP_CIPHER *EVP_##cname##_ecb(void) { return &cname##_ecb; } EVP_CIPHER_get_asn1_iv, \ NULL) - struct evp_pkey_ctx_st { /* Method associated with this operation */ @@ -246,6 +245,13 @@ struct evp_pkey_ctx_st int operation; /* Algorithm specific data */ void *data; + /* Application specific data */ + void *app_data; + /* Keygen callback */ + EVP_PKEY_gen_cb *pkey_gencb; + /* implementation specific keygen data */ + int *keygen_info; + int keygen_info_count; } /* EVP_PKEY_CTX */; struct evp_pkey_method_st @@ -257,10 +263,10 @@ struct evp_pkey_method_st void (*cleanup)(EVP_PKEY_CTX *ctx); int (*paramgen_init)(EVP_PKEY_CTX *ctx); - int (*paramgen)(EVP_PKEY_CTX *ctx); + int (*paramgen)(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey); int (*keygen_init)(EVP_PKEY_CTX *ctx); - int (*keygen)(EVP_PKEY_CTX *ctx); + int (*keygen)(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey); int (*sign_init)(EVP_PKEY_CTX *ctx); int (*sign)(EVP_PKEY_CTX *ctx, unsigned char *sig, int *siglen, @@ -296,3 +302,5 @@ struct evp_pkey_method_st } /* EVP_PKEY_METHOD */; + +void evp_pkey_set_cb_translate(BN_GENCB *cb, EVP_PKEY_CTX *ctx); diff --git a/crypto/evp/pmeth_gn.c b/crypto/evp/pmeth_gn.c new file mode 100644 index 0000000000..4972d5e96d --- /dev/null +++ b/crypto/evp/pmeth_gn.c @@ -0,0 +1,193 @@ +/* pmeth_gn.c */ +/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL + * project 2006. + */ +/* ==================================================================== + * Copyright (c) 2006 The OpenSSL Project. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * 3. All advertising materials mentioning features or use of this + * software must display the following acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" + * + * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to + * endorse or promote products derived from this software without + * prior written permission. For written permission, please contact + * licensing@OpenSSL.org. + * + * 5. Products derived from this software may not be called "OpenSSL" + * nor may "OpenSSL" appear in their names without prior written + * permission of the OpenSSL Project. + * + * 6. Redistributions of any form whatsoever must retain the following + * acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" + * + * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY + * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR + * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + * OF THE POSSIBILITY OF SUCH DAMAGE. + * ==================================================================== + * + * This product includes cryptographic software written by Eric Young + * (eay@cryptsoft.com). This product includes software written by Tim + * Hudson (tjh@cryptsoft.com). + * + */ + +#include <stdio.h> +#include <stdlib.h> +#include <openssl/objects.h> +#include "cryptlib.h" +#include <openssl/evp.h> +#include "evp_locl.h" + +int EVP_PKEY_paramgen_init(EVP_PKEY_CTX *ctx) + { + int ret; + if (!ctx || !ctx->pmeth || !ctx->pmeth->paramgen) + { + EVPerr(EVP_F_EVP_PKEY_PARAMGEN_INIT, + EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE); + return -2; + } + ctx->operation = EVP_PKEY_OP_PARAMGEN; + if (!ctx->pmeth->paramgen_init) + return 1; + ret = ctx->pmeth->paramgen_init(ctx); + if (ret <= 0) + ctx->operation = EVP_PKEY_OP_UNDEFINED; + return ret; + } + +int EVP_PKEY_paramgen(EVP_PKEY_CTX *ctx, EVP_PKEY **ppkey) + { + int ret; + if (!ctx || !ctx->pmeth || !ctx->pmeth->paramgen) + { + EVPerr(EVP_F_EVP_PKEY_PARAMGEN, + EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE); + return -2; + } + + if (ctx->operation != EVP_PKEY_OP_PARAMGEN) + { + EVPerr(EVP_F_EVP_PKEY_PARAMGEN, EVP_R_OPERATON_NOT_INITIALIZED); + return -1; + } + + if (!ppkey) + return -1; + + if (!*ppkey) + *ppkey = EVP_PKEY_new(); + + ret = ctx->pmeth->paramgen(ctx, *ppkey); + if (ret <= 0) + { + EVP_PKEY_free(*ppkey); + *ppkey = NULL; + } + return ret; + } + +int EVP_PKEY_keygen_init(EVP_PKEY_CTX *ctx) + { + int ret; + if (!ctx || !ctx->pmeth || !ctx->pmeth->keygen) + { + EVPerr(EVP_F_EVP_PKEY_KEYGEN_INIT, + EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE); + return -2; + } + ctx->operation = EVP_PKEY_OP_KEYGEN; + if (!ctx->pmeth->keygen_init) + return 1; + ret = ctx->pmeth->keygen_init(ctx); + if (ret <= 0) + ctx->operation = EVP_PKEY_OP_UNDEFINED; + return ret; + } + +int EVP_PKEY_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY **ppkey) + { + int ret; + + if (!ctx || !ctx->pmeth || !ctx->pmeth->keygen) + { + EVPerr(EVP_F_EVP_PKEY_KEYGEN, + EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE); + return -2; + } + if (ctx->operation != EVP_PKEY_OP_KEYGEN) + { + EVPerr(EVP_F_EVP_PKEY_KEYGEN, EVP_R_OPERATON_NOT_INITIALIZED); + return -1; + } + + if (!ppkey) + return -1; + + if (!*ppkey) + *ppkey = EVP_PKEY_new(); + + ret = ctx->pmeth->keygen(ctx, *ppkey); + if (ret <= 0) + { + EVP_PKEY_free(*ppkey); + *ppkey = NULL; + } + return ret; + } + +void EVP_PKEY_CTX_set_cb(EVP_PKEY_CTX *ctx, EVP_PKEY_gen_cb *cb) + { + ctx->pkey_gencb = cb; + } + +/* "translation callback" to call EVP_PKEY_CTX callbacks using BN_GENCB + * style callbacks. + */ + +static int trans_cb(int a, int b, BN_GENCB *gcb) + { + EVP_PKEY_CTX *ctx = gcb->arg; + ctx->keygen_info[0] = a; + ctx->keygen_info[1] = b; + return ctx->pkey_gencb(ctx); + } + +void evp_pkey_set_cb_translate(BN_GENCB *cb, EVP_PKEY_CTX *ctx) + { + BN_GENCB_set(cb, trans_cb, ctx) + } + +int EVP_PKEY_CTX_get_keygen_info(EVP_PKEY_CTX *ctx, int idx) + { + if (idx == -1) + return ctx->keygen_info_count; + if (idx < 0 || idx > ctx->keygen_info_count) + return 0; + return ctx->keygen_info[idx]; + } diff --git a/crypto/evp/pmeth_lib.c b/crypto/evp/pmeth_lib.c index 26a55048ca..3c8d0a6e4f 100644 --- a/crypto/evp/pmeth_lib.c +++ b/crypto/evp/pmeth_lib.c @@ -101,20 +101,25 @@ const EVP_PKEY_METHOD *EVP_PKEY_meth_find(int type, ENGINE *e) return *ret; } -EVP_PKEY_CTX *EVP_PKEY_CTX_new(EVP_PKEY *pkey) +static EVP_PKEY_CTX *int_ctx_new(EVP_PKEY *pkey, ENGINE *e, int id) { EVP_PKEY_CTX *ret; const EVP_PKEY_METHOD *pmeth; - if (!pkey || !pkey->ameth) - return NULL; - pmeth = EVP_PKEY_meth_find(pkey->ameth->pkey_id, NULL); + if (id == -1) + { + if (!pkey || !pkey->ameth) + return NULL; + id = pkey->ameth->pkey_id; + } + pmeth = EVP_PKEY_meth_find(id, e); if (pmeth == NULL) return NULL; ret = OPENSSL_malloc(sizeof(EVP_PKEY_CTX)); ret->pmeth = pmeth; ret->operation = EVP_PKEY_OP_UNDEFINED; - CRYPTO_add(&pkey->references,1,CRYPTO_LOCK_EVP_PKEY); ret->pkey = pkey; + if (pkey) + CRYPTO_add(&pkey->references,1,CRYPTO_LOCK_EVP_PKEY); ret->data = NULL; if (pmeth->init) @@ -129,6 +134,16 @@ EVP_PKEY_CTX *EVP_PKEY_CTX_new(EVP_PKEY *pkey) return ret; } +EVP_PKEY_CTX *EVP_PKEY_CTX_new(EVP_PKEY *pkey, ENGINE *e) + { + return int_ctx_new(pkey, e, -1); + } + +EVP_PKEY_CTX *EVP_PKEY_CTX_new_id(int id, ENGINE *e) + { + return int_ctx_new(NULL, e, id); + } + void EVP_PKEY_CTX_free(EVP_PKEY_CTX *ctx) { if (ctx->pmeth && ctx->pmeth->cleanup) @@ -191,3 +206,23 @@ int EVP_PKEY_CTX_ctrl_str(EVP_PKEY_CTX *ctx, } return ctx->pmeth->ctrl_str(ctx, name, value); } + +void EVP_PKEY_CTX_set_data(EVP_PKEY_CTX *ctx, void *data) + { + ctx->data = data; + } + +void *EVP_PKEY_CTX_get_data(EVP_PKEY_CTX *ctx) + { + return ctx->data; + } + +void EVP_PKEY_CTX_set_app_data(EVP_PKEY_CTX *ctx, void *data) + { + ctx->app_data = data; + } + +void *EVP_PKEY_CTX_get_app_data(EVP_PKEY_CTX *ctx) + { + return ctx->app_data; + } diff --git a/crypto/rsa/rsa_pmeth.c b/crypto/rsa/rsa_pmeth.c index 378bfe4b4e..56759b5285 100644 --- a/crypto/rsa/rsa_pmeth.c +++ b/crypto/rsa/rsa_pmeth.c @@ -75,6 +75,8 @@ typedef struct /* Key gen parameters */ int nbits; BIGNUM *pub_exp; + /* Keygen callback info */ + int gentmp[2]; /* RSA padding mode */ int pad_mode; /* message digest */ @@ -100,6 +102,8 @@ static int pkey_rsa_init(EVP_PKEY_CTX *ctx) rctx->saltlen = -2; ctx->data = rctx; + ctx->keygen_info = rctx->gentmp; + ctx->keygen_info_count = 2; return 1; } @@ -427,6 +431,36 @@ static int pkey_rsa_ctrl_str(EVP_PKEY_CTX *ctx, return -2; } +static int pkey_rsa_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey) + { + RSA *rsa = NULL; + RSA_PKEY_CTX *rctx = ctx->data; + BN_GENCB *pcb, cb; + int ret; + if (!rctx->pub_exp) + { + rctx->pub_exp = BN_new(); + if (!rctx->pub_exp || !BN_set_word(rctx->pub_exp, RSA_F4)) + return 0; + } + rsa = RSA_new(); + if (!rsa) + return 0; + if (ctx->pkey_gencb) + { + pcb = &cb; + evp_pkey_set_cb_translate(pcb, ctx); + } + else + pcb = NULL; + ret = RSA_generate_key_ex(rsa, rctx->nbits, rctx->pub_exp, pcb); + if (ret > 0) + EVP_PKEY_assign_RSA(pkey, rsa); + else + RSA_free(rsa); + return ret; + } + const EVP_PKEY_METHOD rsa_pkey_meth = { EVP_PKEY_RSA, @@ -436,7 +470,8 @@ const EVP_PKEY_METHOD rsa_pkey_meth = 0,0, - 0,0, + 0, + pkey_rsa_keygen, 0, pkey_rsa_sign, |