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-rw-r--r--engines/ccgost/gost_pmeth.c1099
1 files changed, 542 insertions, 557 deletions
diff --git a/engines/ccgost/gost_pmeth.c b/engines/ccgost/gost_pmeth.c
index f91c9b193908..9af7b06d43aa 100644
--- a/engines/ccgost/gost_pmeth.c
+++ b/engines/ccgost/gost_pmeth.c
@@ -10,619 +10,604 @@
#include <openssl/evp.h>
#include <openssl/objects.h>
#include <openssl/ec.h>
-#include <openssl/x509v3.h> /*For string_to_hex */
+#include <openssl/x509v3.h> /* For string_to_hex */
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include "gost_params.h"
#include "gost_lcl.h"
#include "e_gost_err.h"
-/*-------init, cleanup, copy - uniform for all algs ---------------*/
+/* -----init, cleanup, copy - uniform for all algs ---------------*/
/* Allocates new gost_pmeth_data structure and assigns it as data */
static int pkey_gost_init(EVP_PKEY_CTX *ctx)
- {
- struct gost_pmeth_data *data;
- EVP_PKEY *pkey = EVP_PKEY_CTX_get0_pkey(ctx);
- data = OPENSSL_malloc(sizeof(struct gost_pmeth_data));
- if (!data) return 0;
- memset(data,0,sizeof(struct gost_pmeth_data));
- if (pkey && EVP_PKEY_get0(pkey))
- {
- switch (EVP_PKEY_base_id(pkey)) {
- case NID_id_GostR3410_94:
- data->sign_param_nid = gost94_nid_by_params(EVP_PKEY_get0(pkey));
- break;
- case NID_id_GostR3410_2001:
- data->sign_param_nid = EC_GROUP_get_curve_name(EC_KEY_get0_group(EVP_PKEY_get0((EVP_PKEY *)pkey)));
- break;
- default:
- return 0;
- }
- }
- EVP_PKEY_CTX_set_data(ctx,data);
- return 1;
- }
+{
+ struct gost_pmeth_data *data;
+ EVP_PKEY *pkey = EVP_PKEY_CTX_get0_pkey(ctx);
+ data = OPENSSL_malloc(sizeof(struct gost_pmeth_data));
+ if (!data)
+ return 0;
+ memset(data, 0, sizeof(struct gost_pmeth_data));
+ if (pkey && EVP_PKEY_get0(pkey)) {
+ switch (EVP_PKEY_base_id(pkey)) {
+ case NID_id_GostR3410_94:
+ data->sign_param_nid = gost94_nid_by_params(EVP_PKEY_get0(pkey));
+ break;
+ case NID_id_GostR3410_2001:
+ data->sign_param_nid =
+ EC_GROUP_get_curve_name(EC_KEY_get0_group
+ (EVP_PKEY_get0((EVP_PKEY *)pkey)));
+ break;
+ default:
+ return 0;
+ }
+ }
+ EVP_PKEY_CTX_set_data(ctx, data);
+ return 1;
+}
/* Copies contents of gost_pmeth_data structure */
static int pkey_gost_copy(EVP_PKEY_CTX *dst, EVP_PKEY_CTX *src)
- {
- struct gost_pmeth_data *dst_data,*src_data;
- if (!pkey_gost_init(dst))
- {
- return 0;
- }
- src_data = EVP_PKEY_CTX_get_data(src);
- dst_data = EVP_PKEY_CTX_get_data(dst);
- *dst_data = *src_data;
- if (src_data -> shared_ukm) {
- dst_data->shared_ukm=NULL;
- }
- return 1;
- }
+{
+ struct gost_pmeth_data *dst_data, *src_data;
+ if (!pkey_gost_init(dst)) {
+ return 0;
+ }
+ src_data = EVP_PKEY_CTX_get_data(src);
+ dst_data = EVP_PKEY_CTX_get_data(dst);
+ *dst_data = *src_data;
+ if (src_data->shared_ukm) {
+ dst_data->shared_ukm = NULL;
+ }
+ return 1;
+}
/* Frees up gost_pmeth_data structure */
-static void pkey_gost_cleanup (EVP_PKEY_CTX *ctx)
- {
- struct gost_pmeth_data *data = EVP_PKEY_CTX_get_data(ctx);
- if (data->shared_ukm) OPENSSL_free(data->shared_ukm);
- OPENSSL_free(data);
- }
+static void pkey_gost_cleanup(EVP_PKEY_CTX *ctx)
+{
+ struct gost_pmeth_data *data = EVP_PKEY_CTX_get_data(ctx);
+ if (data->shared_ukm)
+ OPENSSL_free(data->shared_ukm);
+ OPENSSL_free(data);
+}
/* --------------------- control functions ------------------------------*/
static int pkey_gost_ctrl(EVP_PKEY_CTX *ctx, int type, int p1, void *p2)
- {
- struct gost_pmeth_data *pctx = (struct gost_pmeth_data*)EVP_PKEY_CTX_get_data(ctx);
- switch (type)
- {
- case EVP_PKEY_CTRL_MD:
- {
- if (EVP_MD_type((const EVP_MD *)p2) != NID_id_GostR3411_94)
- {
- GOSTerr(GOST_F_PKEY_GOST_CTRL, GOST_R_INVALID_DIGEST_TYPE);
- return 0;
- }
- pctx->md = (EVP_MD *)p2;
- return 1;
- }
- break;
-
- case EVP_PKEY_CTRL_PKCS7_ENCRYPT:
- case EVP_PKEY_CTRL_PKCS7_DECRYPT:
- case EVP_PKEY_CTRL_PKCS7_SIGN:
- case EVP_PKEY_CTRL_DIGESTINIT:
-#ifndef OPENSSL_NO_CMS
- case EVP_PKEY_CTRL_CMS_ENCRYPT:
- case EVP_PKEY_CTRL_CMS_DECRYPT:
- case EVP_PKEY_CTRL_CMS_SIGN:
-#endif
- return 1;
-
- case EVP_PKEY_CTRL_GOST_PARAMSET:
- pctx->sign_param_nid = (int)p1;
- return 1;
- case EVP_PKEY_CTRL_SET_IV:
- pctx->shared_ukm=OPENSSL_malloc((int)p1);
- memcpy(pctx->shared_ukm,p2,(int) p1);
- return 1;
- case EVP_PKEY_CTRL_PEER_KEY:
- if (p1 == 0 || p1 == 1) /* call from EVP_PKEY_derive_set_peer */
- return 1;
- if (p1 == 2) /* TLS: peer key used? */
- return pctx->peer_key_used;
- if (p1 == 3) /* TLS: peer key used! */
- return (pctx->peer_key_used = 1);
- return -2;
- }
- return -2;
- }
-
+{
+ struct gost_pmeth_data *pctx =
+ (struct gost_pmeth_data *)EVP_PKEY_CTX_get_data(ctx);
+ switch (type) {
+ case EVP_PKEY_CTRL_MD:
+ {
+ if (EVP_MD_type((const EVP_MD *)p2) != NID_id_GostR3411_94) {
+ GOSTerr(GOST_F_PKEY_GOST_CTRL, GOST_R_INVALID_DIGEST_TYPE);
+ return 0;
+ }
+ pctx->md = (EVP_MD *)p2;
+ return 1;
+ }
+ break;
+
+ case EVP_PKEY_CTRL_PKCS7_ENCRYPT:
+ case EVP_PKEY_CTRL_PKCS7_DECRYPT:
+ case EVP_PKEY_CTRL_PKCS7_SIGN:
+ case EVP_PKEY_CTRL_DIGESTINIT:
+#ifndef OPENSSL_NO_CMS
+ case EVP_PKEY_CTRL_CMS_ENCRYPT:
+ case EVP_PKEY_CTRL_CMS_DECRYPT:
+ case EVP_PKEY_CTRL_CMS_SIGN:
+#endif
+ return 1;
+
+ case EVP_PKEY_CTRL_GOST_PARAMSET:
+ pctx->sign_param_nid = (int)p1;
+ return 1;
+ case EVP_PKEY_CTRL_SET_IV:
+ pctx->shared_ukm = OPENSSL_malloc((int)p1);
+ memcpy(pctx->shared_ukm, p2, (int)p1);
+ return 1;
+ case EVP_PKEY_CTRL_PEER_KEY:
+ if (p1 == 0 || p1 == 1) /* call from EVP_PKEY_derive_set_peer */
+ return 1;
+ if (p1 == 2) /* TLS: peer key used? */
+ return pctx->peer_key_used;
+ if (p1 == 3) /* TLS: peer key used! */
+ return (pctx->peer_key_used = 1);
+ return -2;
+ }
+ return -2;
+}
static int pkey_gost_ctrl94_str(EVP_PKEY_CTX *ctx,
- const char *type, const char *value)
- {
- int param_nid=0;
- if(!strcmp(type, param_ctrl_string))
- {
- if (!value)
- {
- return 0;
- }
- if (strlen(value) == 1)
- {
- switch(toupper((unsigned char)value[0]))
- {
- case 'A':
- param_nid = NID_id_GostR3410_94_CryptoPro_A_ParamSet;
- break;
- case 'B':
- param_nid = NID_id_GostR3410_94_CryptoPro_B_ParamSet;
- break;
- case 'C':
- param_nid = NID_id_GostR3410_94_CryptoPro_C_ParamSet;
- break;
- case 'D':
- param_nid = NID_id_GostR3410_94_CryptoPro_D_ParamSet;
- break;
- default:
- return 0;
- break;
- }
- }
- else if ((strlen(value) == 2) && (toupper((unsigned char)value[0]) == 'X'))
- {
- switch (toupper((unsigned char)value[1]))
- {
- case 'A':
- param_nid = NID_id_GostR3410_94_CryptoPro_XchA_ParamSet;
- break;
- case 'B':
- param_nid = NID_id_GostR3410_94_CryptoPro_XchB_ParamSet;
- break;
- case 'C':
- param_nid = NID_id_GostR3410_94_CryptoPro_XchC_ParamSet;
- break;
- default:
- return 0;
- break;
- }
- }
- else
- {
- R3410_params *p = R3410_paramset;
- param_nid = OBJ_txt2nid(value);
- if (param_nid == NID_undef)
- {
- return 0;
- }
- for (;p->nid != NID_undef;p++)
- {
- if (p->nid == param_nid) break;
- }
- if (p->nid == NID_undef)
- {
- GOSTerr(GOST_F_PKEY_GOST_CTRL94_STR,
- GOST_R_INVALID_PARAMSET);
- return 0;
- }
- }
-
- return pkey_gost_ctrl(ctx, EVP_PKEY_CTRL_GOST_PARAMSET,
- param_nid, NULL);
- }
- return -2;
- }
+ const char *type, const char *value)
+{
+ int param_nid = 0;
+ if (!strcmp(type, param_ctrl_string)) {
+ if (!value) {
+ return 0;
+ }
+ if (strlen(value) == 1) {
+ switch (toupper((unsigned char)value[0])) {
+ case 'A':
+ param_nid = NID_id_GostR3410_94_CryptoPro_A_ParamSet;
+ break;
+ case 'B':
+ param_nid = NID_id_GostR3410_94_CryptoPro_B_ParamSet;
+ break;
+ case 'C':
+ param_nid = NID_id_GostR3410_94_CryptoPro_C_ParamSet;
+ break;
+ case 'D':
+ param_nid = NID_id_GostR3410_94_CryptoPro_D_ParamSet;
+ break;
+ default:
+ return 0;
+ break;
+ }
+ } else if ((strlen(value) == 2)
+ && (toupper((unsigned char)value[0]) == 'X')) {
+ switch (toupper((unsigned char)value[1])) {
+ case 'A':
+ param_nid = NID_id_GostR3410_94_CryptoPro_XchA_ParamSet;
+ break;
+ case 'B':
+ param_nid = NID_id_GostR3410_94_CryptoPro_XchB_ParamSet;
+ break;
+ case 'C':
+ param_nid = NID_id_GostR3410_94_CryptoPro_XchC_ParamSet;
+ break;
+ default:
+ return 0;
+ break;
+ }
+ } else {
+ R3410_params *p = R3410_paramset;
+ param_nid = OBJ_txt2nid(value);
+ if (param_nid == NID_undef) {
+ return 0;
+ }
+ for (; p->nid != NID_undef; p++) {
+ if (p->nid == param_nid)
+ break;
+ }
+ if (p->nid == NID_undef) {
+ GOSTerr(GOST_F_PKEY_GOST_CTRL94_STR, GOST_R_INVALID_PARAMSET);
+ return 0;
+ }
+ }
+
+ return pkey_gost_ctrl(ctx, EVP_PKEY_CTRL_GOST_PARAMSET,
+ param_nid, NULL);
+ }
+ return -2;
+}
static int pkey_gost_ctrl01_str(EVP_PKEY_CTX *ctx,
- const char *type, const char *value)
- {
- int param_nid=0;
- if(!strcmp(type, param_ctrl_string))
- {
- if (!value)
- {
- return 0;
- }
- if (strlen(value) == 1)
- {
- switch(toupper((unsigned char)value[0]))
- {
- case 'A':
- param_nid = NID_id_GostR3410_2001_CryptoPro_A_ParamSet;
- break;
- case 'B':
- param_nid = NID_id_GostR3410_2001_CryptoPro_B_ParamSet;
- break;
- case 'C':
- param_nid = NID_id_GostR3410_2001_CryptoPro_C_ParamSet;
- break;
- case '0':
- param_nid = NID_id_GostR3410_2001_TestParamSet;
- break;
- default:
- return 0;
- break;
- }
- }
- else if ((strlen(value) == 2) && (toupper((unsigned char)value[0]) == 'X'))
- {
- switch (toupper((unsigned char)value[1]))
- {
- case 'A':
- param_nid = NID_id_GostR3410_2001_CryptoPro_XchA_ParamSet;
- break;
- case 'B':
- param_nid = NID_id_GostR3410_2001_CryptoPro_XchB_ParamSet;
- break;
- default:
- return 0;
- break;
- }
- }
- else
- {
- R3410_2001_params *p = R3410_2001_paramset;
- param_nid = OBJ_txt2nid(value);
- if (param_nid == NID_undef)
- {
- return 0;
- }
- for (;p->nid != NID_undef;p++)
- {
- if (p->nid == param_nid) break;
- }
- if (p->nid == NID_undef)
- {
- GOSTerr(GOST_F_PKEY_GOST_CTRL01_STR,
- GOST_R_INVALID_PARAMSET);
- return 0;
- }
- }
-
- return pkey_gost_ctrl(ctx, EVP_PKEY_CTRL_GOST_PARAMSET,
- param_nid, NULL);
- }
- return -2;
- }
+ const char *type, const char *value)
+{
+ int param_nid = 0;
+ if (!strcmp(type, param_ctrl_string)) {
+ if (!value) {
+ return 0;
+ }
+ if (strlen(value) == 1) {
+ switch (toupper((unsigned char)value[0])) {
+ case 'A':
+ param_nid = NID_id_GostR3410_2001_CryptoPro_A_ParamSet;
+ break;
+ case 'B':
+ param_nid = NID_id_GostR3410_2001_CryptoPro_B_ParamSet;
+ break;
+ case 'C':
+ param_nid = NID_id_GostR3410_2001_CryptoPro_C_ParamSet;
+ break;
+ case '0':
+ param_nid = NID_id_GostR3410_2001_TestParamSet;
+ break;
+ default:
+ return 0;
+ break;
+ }
+ } else if ((strlen(value) == 2)
+ && (toupper((unsigned char)value[0]) == 'X')) {
+ switch (toupper((unsigned char)value[1])) {
+ case 'A':
+ param_nid = NID_id_GostR3410_2001_CryptoPro_XchA_ParamSet;
+ break;
+ case 'B':
+ param_nid = NID_id_GostR3410_2001_CryptoPro_XchB_ParamSet;
+ break;
+ default:
+ return 0;
+ break;
+ }
+ } else {
+ R3410_2001_params *p = R3410_2001_paramset;
+ param_nid = OBJ_txt2nid(value);
+ if (param_nid == NID_undef) {
+ return 0;
+ }
+ for (; p->nid != NID_undef; p++) {
+ if (p->nid == param_nid)
+ break;
+ }
+ if (p->nid == NID_undef) {
+ GOSTerr(GOST_F_PKEY_GOST_CTRL01_STR, GOST_R_INVALID_PARAMSET);
+ return 0;
+ }
+ }
+
+ return pkey_gost_ctrl(ctx, EVP_PKEY_CTRL_GOST_PARAMSET,
+ param_nid, NULL);
+ }
+ return -2;
+}
/* --------------------- key generation --------------------------------*/
-static int pkey_gost_paramgen_init(EVP_PKEY_CTX *ctx) {
- return 1;
-}
-static int pkey_gost94_paramgen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
- {
- struct gost_pmeth_data *data = EVP_PKEY_CTX_get_data(ctx);
- DSA *dsa=NULL;
- if (data->sign_param_nid == NID_undef)
- {
- GOSTerr(GOST_F_PKEY_GOST94_PARAMGEN,
- GOST_R_NO_PARAMETERS_SET);
- return 0;
- }
- dsa = DSA_new();
- if (!fill_GOST94_params(dsa,data->sign_param_nid))
- {
- DSA_free(dsa);
- return 0;
- }
- EVP_PKEY_assign(pkey,NID_id_GostR3410_94,dsa);
- return 1;
- }
+static int pkey_gost_paramgen_init(EVP_PKEY_CTX *ctx)
+{
+ return 1;
+}
+
+static int pkey_gost94_paramgen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
+{
+ struct gost_pmeth_data *data = EVP_PKEY_CTX_get_data(ctx);
+ DSA *dsa = NULL;
+ if (data->sign_param_nid == NID_undef) {
+ GOSTerr(GOST_F_PKEY_GOST94_PARAMGEN, GOST_R_NO_PARAMETERS_SET);
+ return 0;
+ }
+ dsa = DSA_new();
+ if (!fill_GOST94_params(dsa, data->sign_param_nid)) {
+ DSA_free(dsa);
+ return 0;
+ }
+ EVP_PKEY_assign(pkey, NID_id_GostR3410_94, dsa);
+ return 1;
+}
+
static int pkey_gost01_paramgen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
- {
- struct gost_pmeth_data *data = EVP_PKEY_CTX_get_data(ctx);
- EC_KEY *ec=NULL;
-
- if (data->sign_param_nid == NID_undef)
- {
- GOSTerr(GOST_F_PKEY_GOST01_PARAMGEN,
- GOST_R_NO_PARAMETERS_SET);
- return 0;
- }
- if (!ec)
- ec = EC_KEY_new();
- if (!fill_GOST2001_params(ec,data->sign_param_nid))
- {
- EC_KEY_free(ec);
- return 0;
- }
- EVP_PKEY_assign(pkey,NID_id_GostR3410_2001,ec);
- return 1;
- }
+{
+ struct gost_pmeth_data *data = EVP_PKEY_CTX_get_data(ctx);
+ EC_KEY *ec = NULL;
+
+ if (data->sign_param_nid == NID_undef) {
+ GOSTerr(GOST_F_PKEY_GOST01_PARAMGEN, GOST_R_NO_PARAMETERS_SET);
+ return 0;
+ }
+ if (!ec)
+ ec = EC_KEY_new();
+ if (!fill_GOST2001_params(ec, data->sign_param_nid)) {
+ EC_KEY_free(ec);
+ return 0;
+ }
+ EVP_PKEY_assign(pkey, NID_id_GostR3410_2001, ec);
+ return 1;
+}
/* Generates Gost_R3410_94_cp key */
static int pkey_gost94cp_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
- {
- DSA *dsa;
- if (!pkey_gost94_paramgen(ctx,pkey)) return 0;
- dsa = EVP_PKEY_get0(pkey);
- gost_sign_keygen(dsa);
- return 1;
- }
+{
+ DSA *dsa;
+ if (!pkey_gost94_paramgen(ctx, pkey))
+ return 0;
+ dsa = EVP_PKEY_get0(pkey);
+ gost_sign_keygen(dsa);
+ return 1;
+}
/* Generates GOST_R3410 2001 key and assigns it using specified type */
static int pkey_gost01cp_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
- {
- EC_KEY *ec;
- if (!pkey_gost01_paramgen(ctx,pkey)) return 0;
- ec = EVP_PKEY_get0(pkey);
- gost2001_keygen(ec);
- return 1;
- }
-
-
+{
+ EC_KEY *ec;
+ if (!pkey_gost01_paramgen(ctx, pkey))
+ return 0;
+ ec = EVP_PKEY_get0(pkey);
+ gost2001_keygen(ec);
+ return 1;
+}
/* ----------- sign callbacks --------------------------------------*/
-static int pkey_gost94_cp_sign(EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen,
- const unsigned char *tbs, size_t tbs_len)
- {
- DSA_SIG *unpacked_sig=NULL;
- EVP_PKEY *pkey = EVP_PKEY_CTX_get0_pkey(ctx);
- if (!siglen) return 0;
- if (!sig)
- {
- *siglen= 64; /* better to check size of pkey->pkey.dsa-q */
- return 1;
- }
- unpacked_sig = gost_do_sign(tbs,tbs_len,EVP_PKEY_get0(pkey));
- if (!unpacked_sig)
- {
- return 0;
- }
- return pack_sign_cp(unpacked_sig,32,sig,siglen);
- }
-
-static int pkey_gost01_cp_sign(EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen,
- const unsigned char *tbs, size_t tbs_len)
- {
- DSA_SIG *unpacked_sig=NULL;
- EVP_PKEY *pkey = EVP_PKEY_CTX_get0_pkey(ctx);
- if (!siglen) return 0;
- if (!sig)
- {
- *siglen= 64; /* better to check size of curve order*/
- return 1;
- }
- unpacked_sig = gost2001_do_sign(tbs,tbs_len,EVP_PKEY_get0(pkey));
- if (!unpacked_sig)
- {
- return 0;
- }
- return pack_sign_cp(unpacked_sig,32,sig,siglen);
- }
+static int pkey_gost94_cp_sign(EVP_PKEY_CTX *ctx, unsigned char *sig,
+ size_t *siglen, const unsigned char *tbs,
+ size_t tbs_len)
+{
+ DSA_SIG *unpacked_sig = NULL;
+ EVP_PKEY *pkey = EVP_PKEY_CTX_get0_pkey(ctx);
+ if (!siglen)
+ return 0;
+ if (!sig) {
+ *siglen = 64; /* better to check size of pkey->pkey.dsa-q */
+ return 1;
+ }
+ unpacked_sig = gost_do_sign(tbs, tbs_len, EVP_PKEY_get0(pkey));
+ if (!unpacked_sig) {
+ return 0;
+ }
+ return pack_sign_cp(unpacked_sig, 32, sig, siglen);
+}
+
+static int pkey_gost01_cp_sign(EVP_PKEY_CTX *ctx, unsigned char *sig,
+ size_t *siglen, const unsigned char *tbs,
+ size_t tbs_len)
+{
+ DSA_SIG *unpacked_sig = NULL;
+ EVP_PKEY *pkey = EVP_PKEY_CTX_get0_pkey(ctx);
+ if (!siglen)
+ return 0;
+ if (!sig) {
+ *siglen = 64; /* better to check size of curve order */
+ return 1;
+ }
+ unpacked_sig = gost2001_do_sign(tbs, tbs_len, EVP_PKEY_get0(pkey));
+ if (!unpacked_sig) {
+ return 0;
+ }
+ return pack_sign_cp(unpacked_sig, 32, sig, siglen);
+}
/* ------------------- verify callbacks ---------------------------*/
static int pkey_gost94_cp_verify(EVP_PKEY_CTX *ctx, const unsigned char *sig,
- size_t siglen, const unsigned char *tbs, size_t tbs_len)
- {
- int ok = 0;
- EVP_PKEY* pub_key = EVP_PKEY_CTX_get0_pkey(ctx);
- DSA_SIG *s=unpack_cp_signature(sig,siglen);
- if (!s) return 0;
- if (pub_key) ok = gost_do_verify(tbs,tbs_len,s,EVP_PKEY_get0(pub_key));
- DSA_SIG_free(s);
- return ok;
- }
-
+ size_t siglen, const unsigned char *tbs,
+ size_t tbs_len)
+{
+ int ok = 0;
+ EVP_PKEY *pub_key = EVP_PKEY_CTX_get0_pkey(ctx);
+ DSA_SIG *s = unpack_cp_signature(sig, siglen);
+ if (!s)
+ return 0;
+ if (pub_key)
+ ok = gost_do_verify(tbs, tbs_len, s, EVP_PKEY_get0(pub_key));
+ DSA_SIG_free(s);
+ return ok;
+}
static int pkey_gost01_cp_verify(EVP_PKEY_CTX *ctx, const unsigned char *sig,
- size_t siglen, const unsigned char *tbs, size_t tbs_len)
- {
- int ok = 0;
- EVP_PKEY* pub_key = EVP_PKEY_CTX_get0_pkey(ctx);
- DSA_SIG *s=unpack_cp_signature(sig,siglen);
- if (!s) return 0;
-#ifdef DEBUG_SIGN
- fprintf(stderr,"R=");
- BN_print_fp(stderr,s->r);
- fprintf(stderr,"\nS=");
- BN_print_fp(stderr,s->s);
- fprintf(stderr,"\n");
-#endif
- if (pub_key) ok = gost2001_do_verify(tbs,tbs_len,s,EVP_PKEY_get0(pub_key));
- DSA_SIG_free(s);
- return ok;
- }
+ size_t siglen, const unsigned char *tbs,
+ size_t tbs_len)
+{
+ int ok = 0;
+ EVP_PKEY *pub_key = EVP_PKEY_CTX_get0_pkey(ctx);
+ DSA_SIG *s = unpack_cp_signature(sig, siglen);
+ if (!s)
+ return 0;
+#ifdef DEBUG_SIGN
+ fprintf(stderr, "R=");
+ BN_print_fp(stderr, s->r);
+ fprintf(stderr, "\nS=");
+ BN_print_fp(stderr, s->s);
+ fprintf(stderr, "\n");
+#endif
+ if (pub_key)
+ ok = gost2001_do_verify(tbs, tbs_len, s, EVP_PKEY_get0(pub_key));
+ DSA_SIG_free(s);
+ return ok;
+}
/* ------------- encrypt init -------------------------------------*/
/* Generates ephermeral key */
static int pkey_gost_encrypt_init(EVP_PKEY_CTX *ctx)
- {
- return 1;
- }
+{
+ return 1;
+}
+
/* --------------- Derive init ------------------------------------*/
static int pkey_gost_derive_init(EVP_PKEY_CTX *ctx)
{
- return 1;
+ return 1;
}
+
/* -------- PKEY_METHOD for GOST MAC algorithm --------------------*/
static int pkey_gost_mac_init(EVP_PKEY_CTX *ctx)
- {
- struct gost_mac_pmeth_data *data;
- data = OPENSSL_malloc(sizeof(struct gost_mac_pmeth_data));
- if (!data) return 0;
- memset(data,0,sizeof(struct gost_mac_pmeth_data));
- EVP_PKEY_CTX_set_data(ctx,data);
- return 1;
- }
-static void pkey_gost_mac_cleanup (EVP_PKEY_CTX *ctx)
- {
- struct gost_mac_pmeth_data *data = EVP_PKEY_CTX_get_data(ctx);
- OPENSSL_free(data);
- }
+{
+ struct gost_mac_pmeth_data *data;
+ data = OPENSSL_malloc(sizeof(struct gost_mac_pmeth_data));
+ if (!data)
+ return 0;
+ memset(data, 0, sizeof(struct gost_mac_pmeth_data));
+ EVP_PKEY_CTX_set_data(ctx, data);
+ return 1;
+}
+
+static void pkey_gost_mac_cleanup(EVP_PKEY_CTX *ctx)
+{
+ struct gost_mac_pmeth_data *data = EVP_PKEY_CTX_get_data(ctx);
+ OPENSSL_free(data);
+}
+
static int pkey_gost_mac_copy(EVP_PKEY_CTX *dst, EVP_PKEY_CTX *src)
- {
- struct gost_mac_pmeth_data *dst_data,*src_data;
- if (!pkey_gost_mac_init(dst))
- {
- return 0;
- }
- src_data = EVP_PKEY_CTX_get_data(src);
- dst_data = EVP_PKEY_CTX_get_data(dst);
- *dst_data = *src_data;
- return 1;
- }
-
+{
+ struct gost_mac_pmeth_data *dst_data, *src_data;
+ if (!pkey_gost_mac_init(dst)) {
+ return 0;
+ }
+ src_data = EVP_PKEY_CTX_get_data(src);
+ dst_data = EVP_PKEY_CTX_get_data(dst);
+ *dst_data = *src_data;
+ return 1;
+}
+
static int pkey_gost_mac_ctrl(EVP_PKEY_CTX *ctx, int type, int p1, void *p2)
- {
- struct gost_mac_pmeth_data *data =
-(struct gost_mac_pmeth_data*)EVP_PKEY_CTX_get_data(ctx);
-
- switch (type)
- {
- case EVP_PKEY_CTRL_MD:
- {
- if (EVP_MD_type((const EVP_MD *)p2) != NID_id_Gost28147_89_MAC)
- {
- GOSTerr(GOST_F_PKEY_GOST_MAC_CTRL, GOST_R_INVALID_DIGEST_TYPE);
- return 0;
- }
- data->md = (EVP_MD *)p2;
- return 1;
- }
- break;
-
- case EVP_PKEY_CTRL_PKCS7_ENCRYPT:
- case EVP_PKEY_CTRL_PKCS7_DECRYPT:
- case EVP_PKEY_CTRL_PKCS7_SIGN:
- return 1;
- case EVP_PKEY_CTRL_SET_MAC_KEY:
- if (p1 != 32)
- {
- GOSTerr(GOST_F_PKEY_GOST_MAC_CTRL,
- GOST_R_INVALID_MAC_KEY_LENGTH);
- return 0;
- }
-
- memcpy(data->key,p2,32);
- data->key_set = 1;
- return 1;
- case EVP_PKEY_CTRL_DIGESTINIT:
- {
- EVP_MD_CTX *mctx = p2;
- void *key;
- if (!data->key_set)
- {
- EVP_PKEY *pkey = EVP_PKEY_CTX_get0_pkey(ctx);
- if (!pkey)
- {
- GOSTerr(GOST_F_PKEY_GOST_MAC_CTRL,GOST_R_MAC_KEY_NOT_SET);
- return 0;
- }
- key = EVP_PKEY_get0(pkey);
- if (!key)
- {
- GOSTerr(GOST_F_PKEY_GOST_MAC_CTRL,GOST_R_MAC_KEY_NOT_SET);
- return 0;
- }
- } else {
- key = &(data->key);
- }
- return mctx->digest->md_ctrl(mctx,EVP_MD_CTRL_SET_KEY,32,key);
- }
- }
- return -2;
- }
+{
+ struct gost_mac_pmeth_data *data =
+ (struct gost_mac_pmeth_data *)EVP_PKEY_CTX_get_data(ctx);
+
+ switch (type) {
+ case EVP_PKEY_CTRL_MD:
+ {
+ if (EVP_MD_type((const EVP_MD *)p2) != NID_id_Gost28147_89_MAC) {
+ GOSTerr(GOST_F_PKEY_GOST_MAC_CTRL,
+ GOST_R_INVALID_DIGEST_TYPE);
+ return 0;
+ }
+ data->md = (EVP_MD *)p2;
+ return 1;
+ }
+ break;
+
+ case EVP_PKEY_CTRL_PKCS7_ENCRYPT:
+ case EVP_PKEY_CTRL_PKCS7_DECRYPT:
+ case EVP_PKEY_CTRL_PKCS7_SIGN:
+ return 1;
+ case EVP_PKEY_CTRL_SET_MAC_KEY:
+ if (p1 != 32) {
+ GOSTerr(GOST_F_PKEY_GOST_MAC_CTRL, GOST_R_INVALID_MAC_KEY_LENGTH);
+ return 0;
+ }
+
+ memcpy(data->key, p2, 32);
+ data->key_set = 1;
+ return 1;
+ case EVP_PKEY_CTRL_DIGESTINIT:
+ {
+ EVP_MD_CTX *mctx = p2;
+ void *key;
+ if (!data->key_set) {
+ EVP_PKEY *pkey = EVP_PKEY_CTX_get0_pkey(ctx);
+ if (!pkey) {
+ GOSTerr(GOST_F_PKEY_GOST_MAC_CTRL,
+ GOST_R_MAC_KEY_NOT_SET);
+ return 0;
+ }
+ key = EVP_PKEY_get0(pkey);
+ if (!key) {
+ GOSTerr(GOST_F_PKEY_GOST_MAC_CTRL,
+ GOST_R_MAC_KEY_NOT_SET);
+ return 0;
+ }
+ } else {
+ key = &(data->key);
+ }
+ return mctx->digest->md_ctrl(mctx, EVP_MD_CTRL_SET_KEY, 32, key);
+ }
+ }
+ return -2;
+}
+
static int pkey_gost_mac_ctrl_str(EVP_PKEY_CTX *ctx,
- const char *type, const char *value)
- {
- if (!strcmp(type, key_ctrl_string))
- {
- if (strlen(value)!=32)
- {
- GOSTerr(GOST_F_PKEY_GOST_MAC_CTRL_STR,
- GOST_R_INVALID_MAC_KEY_LENGTH);
- return 0;
- }
- return pkey_gost_mac_ctrl(ctx, EVP_PKEY_CTRL_SET_MAC_KEY,
- 32,(char *)value);
- }
- if (!strcmp(type, hexkey_ctrl_string))
- {
- long keylen; int ret;
- unsigned char *keybuf=string_to_hex(value,&keylen);
- if (keylen != 32)
- {
- GOSTerr(GOST_F_PKEY_GOST_MAC_CTRL_STR,
- GOST_R_INVALID_MAC_KEY_LENGTH);
- OPENSSL_free(keybuf);
- return 0;
- }
- ret= pkey_gost_mac_ctrl(ctx, EVP_PKEY_CTRL_SET_MAC_KEY,
- 32,keybuf);
- OPENSSL_free(keybuf);
- return ret;
-
- }
- return -2;
- }
+ const char *type, const char *value)
+{
+ if (!strcmp(type, key_ctrl_string)) {
+ if (strlen(value) != 32) {
+ GOSTerr(GOST_F_PKEY_GOST_MAC_CTRL_STR,
+ GOST_R_INVALID_MAC_KEY_LENGTH);
+ return 0;
+ }
+ return pkey_gost_mac_ctrl(ctx, EVP_PKEY_CTRL_SET_MAC_KEY,
+ 32, (char *)value);
+ }
+ if (!strcmp(type, hexkey_ctrl_string)) {
+ long keylen;
+ int ret;
+ unsigned char *keybuf = string_to_hex(value, &keylen);
+ if (keylen != 32) {
+ GOSTerr(GOST_F_PKEY_GOST_MAC_CTRL_STR,
+ GOST_R_INVALID_MAC_KEY_LENGTH);
+ OPENSSL_free(keybuf);
+ return 0;
+ }
+ ret = pkey_gost_mac_ctrl(ctx, EVP_PKEY_CTRL_SET_MAC_KEY, 32, keybuf);
+ OPENSSL_free(keybuf);
+ return ret;
+
+ }
+ return -2;
+}
static int pkey_gost_mac_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
- {
- struct gost_mac_pmeth_data *data = EVP_PKEY_CTX_get_data(ctx);
- unsigned char *keydata;
- if (!data->key_set)
- {
- GOSTerr(GOST_F_PKEY_GOST_MAC_KEYGEN,GOST_R_MAC_KEY_NOT_SET);
- return 0;
- }
- keydata = OPENSSL_malloc(32);
- memcpy(keydata,data->key,32);
- EVP_PKEY_assign(pkey, NID_id_Gost28147_89_MAC, keydata);
- return 1;
- }
+{
+ struct gost_mac_pmeth_data *data = EVP_PKEY_CTX_get_data(ctx);
+ unsigned char *keydata;
+ if (!data->key_set) {
+ GOSTerr(GOST_F_PKEY_GOST_MAC_KEYGEN, GOST_R_MAC_KEY_NOT_SET);
+ return 0;
+ }
+ keydata = OPENSSL_malloc(32);
+ memcpy(keydata, data->key, 32);
+ EVP_PKEY_assign(pkey, NID_id_Gost28147_89_MAC, keydata);
+ return 1;
+}
static int pkey_gost_mac_signctx_init(EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx)
- {
- return 1;
+{
+ return 1;
}
-static int pkey_gost_mac_signctx(EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen, EVP_MD_CTX *mctx)
- {
- unsigned int tmpsiglen=*siglen; /* for platforms where sizeof(int)!=sizeof(size_t)*/
- int ret;
- if (!sig)
- {
- *siglen = 4;
- return 1;
- }
- ret=EVP_DigestFinal_ex(mctx,sig,&tmpsiglen);
- *siglen = tmpsiglen;
- return ret;
- }
-/* ----------------------------------------------------------------*/
-int register_pmeth_gost(int id, EVP_PKEY_METHOD **pmeth,int flags)
- {
- *pmeth = EVP_PKEY_meth_new(id, flags);
- if (!*pmeth) return 0;
-
- switch (id)
- {
- case NID_id_GostR3410_94:
- EVP_PKEY_meth_set_ctrl(*pmeth,pkey_gost_ctrl, pkey_gost_ctrl94_str);
- EVP_PKEY_meth_set_keygen(*pmeth,NULL,pkey_gost94cp_keygen);
- EVP_PKEY_meth_set_sign(*pmeth, NULL, pkey_gost94_cp_sign);
- EVP_PKEY_meth_set_verify(*pmeth, NULL, pkey_gost94_cp_verify);
- EVP_PKEY_meth_set_encrypt(*pmeth,
- pkey_gost_encrypt_init, pkey_GOST94cp_encrypt);
- EVP_PKEY_meth_set_decrypt(*pmeth, NULL, pkey_GOST94cp_decrypt);
- EVP_PKEY_meth_set_derive(*pmeth,
- pkey_gost_derive_init, pkey_gost94_derive);
- EVP_PKEY_meth_set_paramgen(*pmeth, pkey_gost_paramgen_init,pkey_gost94_paramgen);
- break;
- case NID_id_GostR3410_2001:
- EVP_PKEY_meth_set_ctrl(*pmeth,pkey_gost_ctrl, pkey_gost_ctrl01_str);
- EVP_PKEY_meth_set_sign(*pmeth, NULL, pkey_gost01_cp_sign);
- EVP_PKEY_meth_set_verify(*pmeth, NULL, pkey_gost01_cp_verify);
-
- EVP_PKEY_meth_set_keygen(*pmeth, NULL, pkey_gost01cp_keygen);
-
- EVP_PKEY_meth_set_encrypt(*pmeth,
- pkey_gost_encrypt_init, pkey_GOST01cp_encrypt);
- EVP_PKEY_meth_set_decrypt(*pmeth, NULL, pkey_GOST01cp_decrypt);
- EVP_PKEY_meth_set_derive(*pmeth,
- pkey_gost_derive_init, pkey_gost2001_derive);
- EVP_PKEY_meth_set_paramgen(*pmeth, pkey_gost_paramgen_init,pkey_gost01_paramgen);
- break;
- case NID_id_Gost28147_89_MAC:
- EVP_PKEY_meth_set_ctrl(*pmeth,pkey_gost_mac_ctrl, pkey_gost_mac_ctrl_str);
- EVP_PKEY_meth_set_signctx(*pmeth,pkey_gost_mac_signctx_init, pkey_gost_mac_signctx);
- EVP_PKEY_meth_set_keygen(*pmeth,NULL, pkey_gost_mac_keygen);
- EVP_PKEY_meth_set_init(*pmeth,pkey_gost_mac_init);
- EVP_PKEY_meth_set_cleanup(*pmeth,pkey_gost_mac_cleanup);
- EVP_PKEY_meth_set_copy(*pmeth,pkey_gost_mac_copy);
- return 1;
- default: /*Unsupported method*/
- return 0;
- }
- EVP_PKEY_meth_set_init(*pmeth, pkey_gost_init);
- EVP_PKEY_meth_set_cleanup(*pmeth, pkey_gost_cleanup);
-
- EVP_PKEY_meth_set_copy(*pmeth, pkey_gost_copy);
- /*FIXME derive etc...*/
-
- return 1;
- }
+static int pkey_gost_mac_signctx(EVP_PKEY_CTX *ctx, unsigned char *sig,
+ size_t *siglen, EVP_MD_CTX *mctx)
+{
+ unsigned int tmpsiglen = *siglen; /* for platforms where
+ * sizeof(int)!=sizeof(size_t) */
+ int ret;
+ if (!sig) {
+ *siglen = 4;
+ return 1;
+ }
+ ret = EVP_DigestFinal_ex(mctx, sig, &tmpsiglen);
+ *siglen = tmpsiglen;
+ return ret;
+}
+/* ----------------------------------------------------------------*/
+int register_pmeth_gost(int id, EVP_PKEY_METHOD **pmeth, int flags)
+{
+ *pmeth = EVP_PKEY_meth_new(id, flags);
+ if (!*pmeth)
+ return 0;
+
+ switch (id) {
+ case NID_id_GostR3410_94:
+ EVP_PKEY_meth_set_ctrl(*pmeth, pkey_gost_ctrl, pkey_gost_ctrl94_str);
+ EVP_PKEY_meth_set_keygen(*pmeth, NULL, pkey_gost94cp_keygen);
+ EVP_PKEY_meth_set_sign(*pmeth, NULL, pkey_gost94_cp_sign);
+ EVP_PKEY_meth_set_verify(*pmeth, NULL, pkey_gost94_cp_verify);
+ EVP_PKEY_meth_set_encrypt(*pmeth,
+ pkey_gost_encrypt_init,
+ pkey_GOST94cp_encrypt);
+ EVP_PKEY_meth_set_decrypt(*pmeth, NULL, pkey_GOST94cp_decrypt);
+ EVP_PKEY_meth_set_derive(*pmeth,
+ pkey_gost_derive_init, pkey_gost94_derive);
+ EVP_PKEY_meth_set_paramgen(*pmeth, pkey_gost_paramgen_init,
+ pkey_gost94_paramgen);
+ break;
+ case NID_id_GostR3410_2001:
+ EVP_PKEY_meth_set_ctrl(*pmeth, pkey_gost_ctrl, pkey_gost_ctrl01_str);
+ EVP_PKEY_meth_set_sign(*pmeth, NULL, pkey_gost01_cp_sign);
+ EVP_PKEY_meth_set_verify(*pmeth, NULL, pkey_gost01_cp_verify);
+
+ EVP_PKEY_meth_set_keygen(*pmeth, NULL, pkey_gost01cp_keygen);
+
+ EVP_PKEY_meth_set_encrypt(*pmeth,
+ pkey_gost_encrypt_init,
+ pkey_GOST01cp_encrypt);
+ EVP_PKEY_meth_set_decrypt(*pmeth, NULL, pkey_GOST01cp_decrypt);
+ EVP_PKEY_meth_set_derive(*pmeth,
+ pkey_gost_derive_init, pkey_gost2001_derive);
+ EVP_PKEY_meth_set_paramgen(*pmeth, pkey_gost_paramgen_init,
+ pkey_gost01_paramgen);
+ break;
+ case NID_id_Gost28147_89_MAC:
+ EVP_PKEY_meth_set_ctrl(*pmeth, pkey_gost_mac_ctrl,
+ pkey_gost_mac_ctrl_str);
+ EVP_PKEY_meth_set_signctx(*pmeth, pkey_gost_mac_signctx_init,
+ pkey_gost_mac_signctx);
+ EVP_PKEY_meth_set_keygen(*pmeth, NULL, pkey_gost_mac_keygen);
+ EVP_PKEY_meth_set_init(*pmeth, pkey_gost_mac_init);
+ EVP_PKEY_meth_set_cleanup(*pmeth, pkey_gost_mac_cleanup);
+ EVP_PKEY_meth_set_copy(*pmeth, pkey_gost_mac_copy);
+ return 1;
+ default: /* Unsupported method */
+ return 0;
+ }
+ EVP_PKEY_meth_set_init(*pmeth, pkey_gost_init);
+ EVP_PKEY_meth_set_cleanup(*pmeth, pkey_gost_cleanup);
+
+ EVP_PKEY_meth_set_copy(*pmeth, pkey_gost_copy);
+ /*
+ * FIXME derive etc...
+ */
+
+ return 1;
+}