diff options
Diffstat (limited to 'openssl/engines/ccgost/gost_pmeth.c')
| -rw-r--r-- | openssl/engines/ccgost/gost_pmeth.c | 1099 |
1 files changed, 542 insertions, 557 deletions
diff --git a/openssl/engines/ccgost/gost_pmeth.c b/openssl/engines/ccgost/gost_pmeth.c index f91c9b193..9af7b06d4 100644 --- a/openssl/engines/ccgost/gost_pmeth.c +++ b/openssl/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; +} |