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-rw-r--r--engines/Makefile13
-rw-r--r--engines/ccgost/Makefile18
-rw-r--r--engines/ccgost/e_gost_err.c3
-rw-r--r--engines/ccgost/e_gost_err.h1
-rw-r--r--engines/ccgost/gost2001.c229
-rw-r--r--engines/ccgost/gost94_keyx.c6
-rw-r--r--engines/ccgost/gost_ameth.c36
-rw-r--r--engines/ccgost/gost_pmeth.c2
-rw-r--r--engines/ccgost/gost_sign.c87
-rw-r--r--engines/e_sureware.c27
10 files changed, 321 insertions, 101 deletions
diff --git a/engines/Makefile b/engines/Makefile
index 2fa9534401b1..23bd2f37f89c 100644
--- a/engines/Makefile
+++ b/engines/Makefile
@@ -146,12 +146,15 @@ lint:
lint -DLINT $(INCLUDES) $(SRC)>fluff
@target=lint; $(RECURSIVE_MAKE)
-depend:
- @if [ -z "$(THIS)" ]; then \
- $(MAKE) -f $(TOP)/Makefile reflect THIS=$@; \
- fi
- @[ -z "$(THIS)" ] || $(MAKEDEPEND) -- $(CFLAG) $(INCLUDES) $(DEPFLAG) -- $(PROGS) $(LIBSRC)
+update: local_depend
+ @if [ -z "$(THIS)" ]; then $(MAKE) -f $(TOP)/Makefile reflect THIS=$@; fi
+ @[ -z "$(THIS)" ] || (set -e; target=update; $(RECURSIVE_MAKE) )
+
+depend: local_depend
+ @if [ -z "$(THIS)" ]; then $(MAKE) -f $(TOP)/Makefile reflect THIS=$@; fi
@[ -z "$(THIS)" ] || (set -e; target=depend; $(RECURSIVE_MAKE) )
+local_depend:
+ @[ -z "$(THIS)" ] || $(MAKEDEPEND) -- $(CFLAG) $(INCLUDES) $(DEPFLAG) -- $(PROGS) $(LIBSRC)
dclean:
$(PERL) -pe 'if (/^# DO NOT DELETE THIS LINE/) {print; exit(0);}' $(MAKEFILE) >Makefile.new
diff --git a/engines/ccgost/Makefile b/engines/ccgost/Makefile
index d661c1082851..4e183a467b40 100644
--- a/engines/ccgost/Makefile
+++ b/engines/ccgost/Makefile
@@ -66,12 +66,13 @@ links:
tests:
-depend:
- @if [ -z "$(THIS)" ]; then \
- $(MAKE) -f $(TOP)/Makefile reflect THIS=$@; \
- else \
- $(MAKEDEPEND) -- $(CFLAG) $(INCLUDES) $(DEPFLAG) -- $(PROGS) $(LIBSRC); \
- fi
+update: local_depend
+ @if [ -z "$(THIS)" ]; then $(MAKE) -f $(TOP)/Makefile reflect THIS=$@; fi
+
+depend: local_depend
+ @if [ -z "$(THIS)" ]; then $(MAKE) -f $(TOP)/Makefile reflect THIS=$@; fi
+local_depend:
+ @[ -z "$(THIS)" ] || $(MAKEDEPEND) -- $(CFLAG) $(INCLUDES) $(DEPFLAG) -- $(PROGS) $(LIBSRC)
files:
@@ -262,8 +263,9 @@ gost_sign.o: ../../include/openssl/buffer.h ../../include/openssl/crypto.h
gost_sign.o: ../../include/openssl/dsa.h ../../include/openssl/e_os2.h
gost_sign.o: ../../include/openssl/ec.h ../../include/openssl/ecdh.h
gost_sign.o: ../../include/openssl/ecdsa.h ../../include/openssl/engine.h
-gost_sign.o: ../../include/openssl/evp.h ../../include/openssl/lhash.h
-gost_sign.o: ../../include/openssl/obj_mac.h ../../include/openssl/objects.h
+gost_sign.o: ../../include/openssl/err.h ../../include/openssl/evp.h
+gost_sign.o: ../../include/openssl/lhash.h ../../include/openssl/obj_mac.h
+gost_sign.o: ../../include/openssl/objects.h
gost_sign.o: ../../include/openssl/opensslconf.h
gost_sign.o: ../../include/openssl/opensslv.h ../../include/openssl/ossl_typ.h
gost_sign.o: ../../include/openssl/pkcs7.h ../../include/openssl/rand.h
diff --git a/engines/ccgost/e_gost_err.c b/engines/ccgost/e_gost_err.c
index 3201b648fb2a..80ef58f8ca3c 100644
--- a/engines/ccgost/e_gost_err.c
+++ b/engines/ccgost/e_gost_err.c
@@ -1,6 +1,6 @@
/* e_gost_err.c */
/* ====================================================================
- * Copyright (c) 1999-2009 The OpenSSL Project. All rights reserved.
+ * Copyright (c) 1999-2015 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
@@ -90,6 +90,7 @@ static ERR_STRING_DATA GOST_str_functs[] = {
{ERR_FUNC(GOST_F_GOST_IMIT_CTRL), "GOST_IMIT_CTRL"},
{ERR_FUNC(GOST_F_GOST_IMIT_FINAL), "GOST_IMIT_FINAL"},
{ERR_FUNC(GOST_F_GOST_IMIT_UPDATE), "GOST_IMIT_UPDATE"},
+ {ERR_FUNC(GOST_F_GOST_SIGN_KEYGEN), "GOST_SIGN_KEYGEN"},
{ERR_FUNC(GOST_F_PARAM_COPY_GOST01), "PARAM_COPY_GOST01"},
{ERR_FUNC(GOST_F_PARAM_COPY_GOST94), "PARAM_COPY_GOST94"},
{ERR_FUNC(GOST_F_PKEY_GOST01CP_DECRYPT), "PKEY_GOST01CP_DECRYPT"},
diff --git a/engines/ccgost/e_gost_err.h b/engines/ccgost/e_gost_err.h
index 92be558452f9..a2018ec4de9d 100644
--- a/engines/ccgost/e_gost_err.h
+++ b/engines/ccgost/e_gost_err.h
@@ -90,6 +90,7 @@ void ERR_GOST_error(int function, int reason, char *file, int line);
# define GOST_F_GOST_IMIT_CTRL 114
# define GOST_F_GOST_IMIT_FINAL 140
# define GOST_F_GOST_IMIT_UPDATE 115
+# define GOST_F_GOST_SIGN_KEYGEN 142
# define GOST_F_PARAM_COPY_GOST01 116
# define GOST_F_PARAM_COPY_GOST94 117
# define GOST_F_PKEY_GOST01CP_DECRYPT 118
diff --git a/engines/ccgost/gost2001.c b/engines/ccgost/gost2001.c
index 2b96694821e2..9536295430d0 100644
--- a/engines/ccgost/gost2001.c
+++ b/engines/ccgost/gost2001.c
@@ -41,6 +41,11 @@ int fill_GOST2001_params(EC_KEY *eckey, int nid)
BN_CTX *ctx = BN_CTX_new();
int ok = 0;
+ if(!ctx) {
+ GOSTerr(GOST_F_FILL_GOST2001_PARAMS, ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
+
BN_CTX_start(ctx);
p = BN_CTX_get(ctx);
a = BN_CTX_get(ctx);
@@ -48,6 +53,10 @@ int fill_GOST2001_params(EC_KEY *eckey, int nid)
x = BN_CTX_get(ctx);
y = BN_CTX_get(ctx);
q = BN_CTX_get(ctx);
+ if(!p || !a || !b || !x || !y || !q) {
+ GOSTerr(GOST_F_FILL_GOST2001_PARAMS, ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
while (params->nid != NID_undef && params->nid != nid)
params++;
if (params->nid == NID_undef) {
@@ -55,18 +64,33 @@ int fill_GOST2001_params(EC_KEY *eckey, int nid)
GOST_R_UNSUPPORTED_PARAMETER_SET);
goto err;
}
- BN_hex2bn(&p, params->p);
- BN_hex2bn(&a, params->a);
- BN_hex2bn(&b, params->b);
+ if(!BN_hex2bn(&p, params->p)
+ || !BN_hex2bn(&a, params->a)
+ || !BN_hex2bn(&b, params->b)) {
+ GOSTerr(GOST_F_FILL_GOST2001_PARAMS,
+ ERR_R_INTERNAL_ERROR);
+ goto err;
+ }
grp = EC_GROUP_new_curve_GFp(p, a, b, ctx);
+ if(!grp) {
+ GOSTerr(GOST_F_FILL_GOST2001_PARAMS, ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
P = EC_POINT_new(grp);
+ if(!P) {
+ GOSTerr(GOST_F_FILL_GOST2001_PARAMS, ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
- BN_hex2bn(&x, params->x);
- BN_hex2bn(&y, params->y);
- EC_POINT_set_affine_coordinates_GFp(grp, P, x, y, ctx);
- BN_hex2bn(&q, params->q);
+ if(!BN_hex2bn(&x, params->x)
+ || !BN_hex2bn(&y, params->y)
+ || !EC_POINT_set_affine_coordinates_GFp(grp, P, x, y, ctx)
+ || !BN_hex2bn(&q, params->q)) {
+ GOSTerr(GOST_F_FILL_GOST2001_PARAMS, ERR_R_INTERNAL_ERROR);
+ goto err;
+ }
#ifdef DEBUG_KEYS
fprintf(stderr, "Set params index %d oid %s\nq=",
(params - R3410_2001_paramset), OBJ_nid2sn(params->nid));
@@ -74,16 +98,23 @@ int fill_GOST2001_params(EC_KEY *eckey, int nid)
fprintf(stderr, "\n");
#endif
- EC_GROUP_set_generator(grp, P, q, NULL);
+ if(!EC_GROUP_set_generator(grp, P, q, NULL)) {
+ GOSTerr(GOST_F_FILL_GOST2001_PARAMS, ERR_R_INTERNAL_ERROR);
+ goto err;
+ }
EC_GROUP_set_curve_name(grp, params->nid);
-
- EC_KEY_set_group(eckey, grp);
+ if(!EC_KEY_set_group(eckey, grp)) {
+ GOSTerr(GOST_F_FILL_GOST2001_PARAMS, ERR_R_INTERNAL_ERROR);
+ goto err;
+ }
ok = 1;
err:
- EC_POINT_free(P);
- EC_GROUP_free(grp);
- BN_CTX_end(ctx);
- BN_CTX_free(ctx);
+ if (P) EC_POINT_free(P);
+ if (grp) EC_GROUP_free(grp);
+ if (ctx) {
+ BN_CTX_end(ctx);
+ BN_CTX_free(ctx);
+ }
return ok;
}
@@ -94,7 +125,7 @@ int fill_GOST2001_params(EC_KEY *eckey, int nid)
*/
DSA_SIG *gost2001_do_sign(const unsigned char *dgst, int dlen, EC_KEY *eckey)
{
- DSA_SIG *newsig = NULL;
+ DSA_SIG *newsig = NULL, *ret = NULL;
BIGNUM *md = hashsum2bn(dgst);
BIGNUM *order = NULL;
const EC_GROUP *group;
@@ -103,6 +134,10 @@ DSA_SIG *gost2001_do_sign(const unsigned char *dgst, int dlen, EC_KEY *eckey)
NULL, *e = NULL;
EC_POINT *C = NULL;
BN_CTX *ctx = BN_CTX_new();
+ if(!ctx || !md) {
+ GOSTerr(GOST_F_GOST2001_DO_SIGN, ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
BN_CTX_start(ctx);
OPENSSL_assert(dlen == 32);
newsig = DSA_SIG_new();
@@ -111,11 +146,25 @@ DSA_SIG *gost2001_do_sign(const unsigned char *dgst, int dlen, EC_KEY *eckey)
goto err;
}
group = EC_KEY_get0_group(eckey);
+ if(!group) {
+ GOSTerr(GOST_F_GOST2001_DO_SIGN, ERR_R_INTERNAL_ERROR);
+ goto err;
+ }
order = BN_CTX_get(ctx);
- EC_GROUP_get_order(group, order, ctx);
+ if(!order || !EC_GROUP_get_order(group, order, ctx)) {
+ GOSTerr(GOST_F_GOST2001_DO_SIGN, ERR_R_INTERNAL_ERROR);
+ goto err;
+ }
priv_key = EC_KEY_get0_private_key(eckey);
+ if(!priv_key) {
+ GOSTerr(GOST_F_GOST2001_DO_SIGN, ERR_R_INTERNAL_ERROR);
+ goto err;
+ }
e = BN_CTX_get(ctx);
- BN_mod(e, md, order, ctx);
+ if(!e || !BN_mod(e, md, order, ctx)) {
+ GOSTerr(GOST_F_GOST2001_DO_SIGN, ERR_R_INTERNAL_ERROR);
+ goto err;
+ }
#ifdef DEBUG_SIGN
fprintf(stderr, "digest as bignum=");
BN_print_fp(stderr, md);
@@ -128,55 +177,80 @@ DSA_SIG *gost2001_do_sign(const unsigned char *dgst, int dlen, EC_KEY *eckey)
}
k = BN_CTX_get(ctx);
C = EC_POINT_new(group);
+ if(!k || !C) {
+ GOSTerr(GOST_F_GOST2001_DO_SIGN, ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
do {
do {
if (!BN_rand_range(k, order)) {
GOSTerr(GOST_F_GOST2001_DO_SIGN,
GOST_R_RANDOM_NUMBER_GENERATOR_FAILED);
- DSA_SIG_free(newsig);
- newsig = NULL;
goto err;
}
if (!EC_POINT_mul(group, C, k, NULL, NULL, ctx)) {
GOSTerr(GOST_F_GOST2001_DO_SIGN, ERR_R_EC_LIB);
- DSA_SIG_free(newsig);
- newsig = NULL;
goto err;
}
if (!X)
X = BN_CTX_get(ctx);
+ if (!r)
+ r = BN_CTX_get(ctx);
+ if (!X || !r) {
+ GOSTerr(GOST_F_GOST2001_DO_SIGN, ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
if (!EC_POINT_get_affine_coordinates_GFp(group, C, X, NULL, ctx)) {
GOSTerr(GOST_F_GOST2001_DO_SIGN, ERR_R_EC_LIB);
- DSA_SIG_free(newsig);
- newsig = NULL;
goto err;
}
- if (!r)
- r = BN_CTX_get(ctx);
- BN_nnmod(r, X, order, ctx);
+
+ if(!BN_nnmod(r, X, order, ctx)) {
+ GOSTerr(GOST_F_GOST2001_DO_SIGN, ERR_R_INTERNAL_ERROR);
+ goto err;
+ }
}
while (BN_is_zero(r));
/* s = (r*priv_key+k*e) mod order */
if (!tmp)
tmp = BN_CTX_get(ctx);
- BN_mod_mul(tmp, priv_key, r, order, ctx);
if (!tmp2)
tmp2 = BN_CTX_get(ctx);
- BN_mod_mul(tmp2, k, e, order, ctx);
if (!s)
s = BN_CTX_get(ctx);
- BN_mod_add(s, tmp, tmp2, order, ctx);
+ if (!tmp || !tmp2 || !s) {
+ GOSTerr(GOST_F_GOST2001_DO_SIGN, ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
+
+ if(!BN_mod_mul(tmp, priv_key, r, order, ctx)
+ || !BN_mod_mul(tmp2, k, e, order, ctx)
+ || !BN_mod_add(s, tmp, tmp2, order, ctx)) {
+ GOSTerr(GOST_F_GOST2001_DO_SIGN, ERR_R_INTERNAL_ERROR);
+ goto err;
+ }
}
while (BN_is_zero(s));
newsig->s = BN_dup(s);
newsig->r = BN_dup(r);
+ if(!newsig->s || !newsig->r) {
+ GOSTerr(GOST_F_GOST2001_DO_SIGN, ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
+
+ ret = newsig;
err:
- BN_CTX_end(ctx);
- BN_CTX_free(ctx);
- EC_POINT_free(C);
- BN_free(md);
- return newsig;
+ if(ctx) {
+ BN_CTX_end(ctx);
+ BN_CTX_free(ctx);
+ }
+ if (C) EC_POINT_free(C);
+ if (md) BN_free(md);
+ if (!ret && newsig) {
+ DSA_SIG_free(newsig);
+ }
+ return ret;
}
/*
@@ -196,6 +270,11 @@ int gost2001_do_verify(const unsigned char *dgst, int dgst_len,
const EC_POINT *pub_key = NULL;
int ok = 0;
+ if(!ctx || !group) {
+ GOSTerr(GOST_F_GOST2001_DO_VERIFY, ERR_R_INTERNAL_ERROR);
+ goto err;
+ }
+
BN_CTX_start(ctx);
order = BN_CTX_get(ctx);
e = BN_CTX_get(ctx);
@@ -205,9 +284,17 @@ int gost2001_do_verify(const unsigned char *dgst, int dgst_len,
X = BN_CTX_get(ctx);
R = BN_CTX_get(ctx);
v = BN_CTX_get(ctx);
+ if(!order || !e || !z1 || !z2 || !tmp || !X || !R || !v) {
+ GOSTerr(GOST_F_GOST2001_DO_VERIFY, ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
- EC_GROUP_get_order(group, order, ctx);
pub_key = EC_KEY_get0_public_key(ec);
+ if(!pub_key || !EC_GROUP_get_order(group, order, ctx)) {
+ GOSTerr(GOST_F_GOST2001_DO_VERIFY, ERR_R_INTERNAL_ERROR);
+ goto err;
+ }
+
if (BN_is_zero(sig->s) || BN_is_zero(sig->r) ||
(BN_cmp(sig->s, order) >= 1) || (BN_cmp(sig->r, order) >= 1)) {
GOSTerr(GOST_F_GOST2001_DO_VERIFY,
@@ -217,19 +304,28 @@ int gost2001_do_verify(const unsigned char *dgst, int dgst_len,
}
md = hashsum2bn(dgst);
- BN_mod(e, md, order, ctx);
+ if(!md || !BN_mod(e, md, order, ctx)) {
+ GOSTerr(GOST_F_GOST2001_DO_VERIFY, ERR_R_INTERNAL_ERROR);
+ goto err;
+ }
#ifdef DEBUG_SIGN
fprintf(stderr, "digest as bignum: ");
BN_print_fp(stderr, md);
fprintf(stderr, "\ndigest mod q: ");
BN_print_fp(stderr, e);
#endif
- if (BN_is_zero(e))
- BN_one(e);
+ if (BN_is_zero(e) && !BN_one(e)) {
+ GOSTerr(GOST_F_GOST2001_DO_VERIFY, ERR_R_INTERNAL_ERROR);
+ goto err;
+ }
v = BN_mod_inverse(v, e, order, ctx);
- BN_mod_mul(z1, sig->s, v, order, ctx);
- BN_sub(tmp, order, sig->r);
- BN_mod_mul(z2, tmp, v, order, ctx);
+ if(!v
+ || !BN_mod_mul(z1, sig->s, v, order, ctx)
+ || !BN_sub(tmp, order, sig->r)
+ || !BN_mod_mul(z2, tmp, v, order, ctx)) {
+ GOSTerr(GOST_F_GOST2001_DO_VERIFY, ERR_R_INTERNAL_ERROR);
+ goto err;
+ }
#ifdef DEBUG_SIGN
fprintf(stderr, "\nInverted digest value: ");
BN_print_fp(stderr, v);
@@ -239,6 +335,10 @@ int gost2001_do_verify(const unsigned char *dgst, int dgst_len,
BN_print_fp(stderr, z2);
#endif
C = EC_POINT_new(group);
+ if (!C) {
+ GOSTerr(GOST_F_GOST2001_DO_VERIFY, ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
if (!EC_POINT_mul(group, C, z1, pub_key, z2, ctx)) {
GOSTerr(GOST_F_GOST2001_DO_VERIFY, ERR_R_EC_LIB);
goto err;
@@ -247,7 +347,10 @@ int gost2001_do_verify(const unsigned char *dgst, int dgst_len,
GOSTerr(GOST_F_GOST2001_DO_VERIFY, ERR_R_EC_LIB);
goto err;
}
- BN_mod(R, X, order, ctx);
+ if(!BN_mod(R, X, order, ctx)) {
+ GOSTerr(GOST_F_GOST2001_DO_VERIFY, ERR_R_INTERNAL_ERROR);
+ goto err;
+ }
#ifdef DEBUG_SIGN
fprintf(stderr, "\nX=");
BN_print_fp(stderr, X);
@@ -261,10 +364,12 @@ int gost2001_do_verify(const unsigned char *dgst, int dgst_len,
ok = 1;
}
err:
- EC_POINT_free(C);
- BN_CTX_end(ctx);
- BN_CTX_free(ctx);
- BN_free(md);
+ if (C) EC_POINT_free(C);
+ if (ctx) {
+ BN_CTX_end(ctx);
+ BN_CTX_free(ctx);
+ }
+ if (md) BN_free(md);
return ok;
}
@@ -287,6 +392,10 @@ int gost2001_compute_public(EC_KEY *ec)
return 0;
}
ctx = BN_CTX_new();
+ if(!ctx) {
+ GOSTerr(GOST_F_GOST2001_COMPUTE_PUBLIC, ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
BN_CTX_start(ctx);
if (!(priv_key = EC_KEY_get0_private_key(ec))) {
GOSTerr(GOST_F_GOST2001_COMPUTE_PUBLIC, ERR_R_EC_LIB);
@@ -294,6 +403,10 @@ int gost2001_compute_public(EC_KEY *ec)
}
pub_key = EC_POINT_new(group);
+ if(!pub_key) {
+ GOSTerr(GOST_F_GOST2001_COMPUTE_PUBLIC, ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
if (!EC_POINT_mul(group, pub_key, priv_key, NULL, NULL, ctx)) {
GOSTerr(GOST_F_GOST2001_COMPUTE_PUBLIC, ERR_R_EC_LIB);
goto err;
@@ -304,9 +417,11 @@ int gost2001_compute_public(EC_KEY *ec)
}
ok = 256;
err:
- BN_CTX_end(ctx);
- EC_POINT_free(pub_key);
- BN_CTX_free(ctx);
+ if (pub_key) EC_POINT_free(pub_key);
+ if (ctx) {
+ BN_CTX_end(ctx);
+ BN_CTX_free(ctx);
+ }
return ok;
}
@@ -320,7 +435,13 @@ int gost2001_keygen(EC_KEY *ec)
{
BIGNUM *order = BN_new(), *d = BN_new();
const EC_GROUP *group = EC_KEY_get0_group(ec);
- EC_GROUP_get_order(group, order, NULL);
+
+ if(!group || !EC_GROUP_get_order(group, order, NULL)) {
+ GOSTerr(GOST_F_GOST2001_KEYGEN, ERR_R_INTERNAL_ERROR);
+ BN_free(d);
+ BN_free(order);
+ return 0;
+ }
do {
if (!BN_rand_range(d, order)) {
@@ -332,7 +453,13 @@ int gost2001_keygen(EC_KEY *ec)
}
}
while (BN_is_zero(d));
- EC_KEY_set_private_key(ec, d);
+
+ if(!EC_KEY_set_private_key(ec, d)) {
+ GOSTerr(GOST_F_GOST2001_KEYGEN, ERR_R_INTERNAL_ERROR);
+ BN_free(d);
+ BN_free(order);
+ return 0;
+ }
BN_free(d);
BN_free(order);
return gost2001_compute_public(ec);
diff --git a/engines/ccgost/gost94_keyx.c b/engines/ccgost/gost94_keyx.c
index 85f4bc89982d..ce57f17cbf32 100644
--- a/engines/ccgost/gost94_keyx.c
+++ b/engines/ccgost/gost94_keyx.c
@@ -104,6 +104,7 @@ int pkey_GOST94cp_encrypt(EVP_PKEY_CTX *ctx, unsigned char *out,
struct gost_pmeth_data *data = EVP_PKEY_CTX_get_data(ctx);
gost_ctx cctx;
int key_is_ephemeral = 1;
+ int tmp_outlen;
EVP_PKEY *mykey = EVP_PKEY_CTX_get0_peerkey(ctx);
/* Do not use vizir cipher parameters with cryptopro */
@@ -174,12 +175,13 @@ int pkey_GOST94cp_encrypt(EVP_PKEY_CTX *ctx, unsigned char *out,
}
ASN1_OBJECT_free(gkt->key_agreement_info->cipher);
gkt->key_agreement_info->cipher = OBJ_nid2obj(param->nid);
- *outlen = i2d_GOST_KEY_TRANSPORT(gkt, out ? &out : NULL);
- if (*outlen <= 0) {
+ tmp_outlen = i2d_GOST_KEY_TRANSPORT(gkt, out ? &out : NULL);
+ if (tmp_outlen <= 0) {
GOSTerr(GOST_F_PKEY_GOST94CP_ENCRYPT,
GOST_R_ERROR_PACKING_KEY_TRANSPORT_INFO);
goto err;
}
+ *outlen = tmp_outlen;
if (!key_is_ephemeral) {
/* Set control "public key from client certificate used" */
if (EVP_PKEY_CTX_ctrl(ctx, -1, -1, EVP_PKEY_CTRL_PEER_KEY, 3, NULL) <=
diff --git a/engines/ccgost/gost_ameth.c b/engines/ccgost/gost_ameth.c
index 713a0face519..b7c5354c1ae2 100644
--- a/engines/ccgost/gost_ameth.c
+++ b/engines/ccgost/gost_ameth.c
@@ -115,7 +115,10 @@ static int decode_gost_algor_params(EVP_PKEY *pkey, X509_ALGOR *palg)
}
param_nid = OBJ_obj2nid(gkp->key_params);
GOST_KEY_PARAMS_free(gkp);
- EVP_PKEY_set_type(pkey, pkey_nid);
+ if(!EVP_PKEY_set_type(pkey, pkey_nid)) {
+ GOSTerr(GOST_F_DECODE_GOST_ALGOR_PARAMS, ERR_R_INTERNAL_ERROR);
+ return 0;
+ }
switch (pkey_nid) {
case NID_id_GostR3410_94:
{
@@ -552,9 +555,19 @@ static int param_copy_gost01(EVP_PKEY *to, const EVP_PKEY *from)
}
if (!eto) {
eto = EC_KEY_new();
- EVP_PKEY_assign(to, EVP_PKEY_base_id(from), eto);
+ if(!eto) {
+ GOSTerr(GOST_F_PARAM_COPY_GOST01, ERR_R_MALLOC_FAILURE);
+ return 0;
+ }
+ if(!EVP_PKEY_assign(to, EVP_PKEY_base_id(from), eto)) {
+ GOSTerr(GOST_F_PARAM_COPY_GOST01, ERR_R_INTERNAL_ERROR);
+ return 0;
+ }
+ }
+ if(!EC_KEY_set_group(eto, EC_KEY_get0_group(efrom))) {
+ GOSTerr(GOST_F_PARAM_COPY_GOST01, ERR_R_INTERNAL_ERROR);
+ return 0;
}
- EC_KEY_set_group(eto, EC_KEY_get0_group(efrom));
if (EC_KEY_get0_private_key(eto)) {
gost2001_compute_public(eto);
}
@@ -729,8 +742,21 @@ static int pub_encode_gost01(X509_PUBKEY *pub, const EVP_PKEY *pk)
}
X = BN_new();
Y = BN_new();
- EC_POINT_get_affine_coordinates_GFp(EC_KEY_get0_group(ec),
- pub_key, X, Y, NULL);
+ if(!X || !Y) {
+ GOSTerr(GOST_F_PUB_ENCODE_GOST01, ERR_R_MALLOC_FAILURE);
+ if(X) BN_free(X);
+ if(Y) BN_free(Y);
+ BN_free(order);
+ return 0;
+ }
+ if(!EC_POINT_get_affine_coordinates_GFp(EC_KEY_get0_group(ec),
+ pub_key, X, Y, NULL)) {
+ GOSTerr(GOST_F_PUB_ENCODE_GOST01, ERR_R_INTERNAL_ERROR);
+ BN_free(X);
+ BN_free(Y);
+ BN_free(order);
+ return 0;
+ }
data_len = 2 * BN_num_bytes(order);
BN_free(order);
databuf = OPENSSL_malloc(data_len);
diff --git a/engines/ccgost/gost_pmeth.c b/engines/ccgost/gost_pmeth.c
index 9af7b06d43aa..b6275b255889 100644
--- a/engines/ccgost/gost_pmeth.c
+++ b/engines/ccgost/gost_pmeth.c
@@ -502,7 +502,7 @@ static int pkey_gost_mac_ctrl_str(EVP_PKEY_CTX *ctx,
long keylen;
int ret;
unsigned char *keybuf = string_to_hex(value, &keylen);
- if (keylen != 32) {
+ if (!keybuf || keylen != 32) {
GOSTerr(GOST_F_PKEY_GOST_MAC_CTRL_STR,
GOST_R_INVALID_MAC_KEY_LENGTH);
OPENSSL_free(keybuf);
diff --git a/engines/ccgost/gost_sign.c b/engines/ccgost/gost_sign.c
index 0116e47400b7..07ad921ab530 100644
--- a/engines/ccgost/gost_sign.c
+++ b/engines/ccgost/gost_sign.c
@@ -12,6 +12,7 @@
#include <openssl/bn.h>
#include <openssl/dsa.h>
#include <openssl/evp.h>
+#include <openssl/err.h>
#include "gost_params.h"
#include "gost_lcl.h"
@@ -52,11 +53,16 @@ void dump_dsa_sig(const char *message, DSA_SIG *sig)
DSA_SIG *gost_do_sign(const unsigned char *dgst, int dlen, DSA *dsa)
{
BIGNUM *k = NULL, *tmp = NULL, *tmp2 = NULL;
- DSA_SIG *newsig = DSA_SIG_new();
+ DSA_SIG *newsig = NULL, *ret = NULL;
BIGNUM *md = hashsum2bn(dgst);
/* check if H(M) mod q is zero */
BN_CTX *ctx = BN_CTX_new();
+ if(!ctx) {
+ GOSTerr(GOST_F_GOST_DO_SIGN, ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
BN_CTX_start(ctx);
+ newsig = DSA_SIG_new();
if (!newsig) {
GOSTerr(GOST_F_GOST_DO_SIGN, GOST_R_NO_MEMORY);
goto err;
@@ -64,6 +70,10 @@ DSA_SIG *gost_do_sign(const unsigned char *dgst, int dlen, DSA *dsa)
tmp = BN_CTX_get(ctx);
k = BN_CTX_get(ctx);
tmp2 = BN_CTX_get(ctx);
+ if(!tmp || !k || !tmp2) {
+ GOSTerr(GOST_F_GOST_DO_SIGN, ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
BN_mod(tmp, md, dsa->q, ctx);
if (BN_is_zero(tmp)) {
BN_one(md);
@@ -76,24 +86,41 @@ DSA_SIG *gost_do_sign(const unsigned char *dgst, int dlen, DSA *dsa)
BN_rand_range(k, dsa->q);
/* generate r = (a^x mod p) mod q */
BN_mod_exp(tmp, dsa->g, k, dsa->p, ctx);
- if (!(newsig->r))
+ if (!(newsig->r)) {
newsig->r = BN_new();
+ if(!newsig->r) {
+ GOSTerr(GOST_F_GOST_DO_SIGN, ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
+ }
BN_mod(newsig->r, tmp, dsa->q, ctx);
}
while (BN_is_zero(newsig->r));
/* generate s = (xr + k(Hm)) mod q */
BN_mod_mul(tmp, dsa->priv_key, newsig->r, dsa->q, ctx);
BN_mod_mul(tmp2, k, md, dsa->q, ctx);
- if (!newsig->s)
+ if (!newsig->s) {
newsig->s = BN_new();
+ if(!newsig->s) {
+ GOSTerr(GOST_F_GOST_DO_SIGN, ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
+ }
BN_mod_add(newsig->s, tmp, tmp2, dsa->q, ctx);
}
while (BN_is_zero(newsig->s));
+
+ ret = newsig;
err:
BN_free(md);
- BN_CTX_end(ctx);
- BN_CTX_free(ctx);
- return newsig;
+ if(ctx) {
+ BN_CTX_end(ctx);
+ BN_CTX_free(ctx);
+ }
+ if(!ret && newsig) {
+ DSA_SIG_free(newsig);
+ }
+ return ret;
}
/*
@@ -135,17 +162,21 @@ int pack_sign_cp(DSA_SIG *s, int order, unsigned char *sig, size_t *siglen)
int gost_do_verify(const unsigned char *dgst, int dgst_len,
DSA_SIG *sig, DSA *dsa)
{
- BIGNUM *md, *tmp = NULL;
+ BIGNUM *md = NULL, *tmp = NULL;
BIGNUM *q2 = NULL;
BIGNUM *u = NULL, *v = NULL, *z1 = NULL, *z2 = NULL;
BIGNUM *tmp2 = NULL, *tmp3 = NULL;
- int ok;
+ int ok = 0;
BN_CTX *ctx = BN_CTX_new();
+ if(!ctx) {
+ GOSTerr(GOST_F_GOST_DO_VERIFY, ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
BN_CTX_start(ctx);
if (BN_cmp(sig->s, dsa->q) >= 1 || BN_cmp(sig->r, dsa->q) >= 1) {
GOSTerr(GOST_F_GOST_DO_VERIFY, GOST_R_SIGNATURE_PARTS_GREATER_THAN_Q);
- return 0;
+ goto err;
}
md = hashsum2bn(dgst);
@@ -157,6 +188,10 @@ int gost_do_verify(const unsigned char *dgst, int dgst_len,
tmp2 = BN_CTX_get(ctx);
tmp3 = BN_CTX_get(ctx);
u = BN_CTX_get(ctx);
+ if(!tmp || !v || !q2 || !z1 || !z2 || !tmp2 || !tmp3 || !u) {
+ GOSTerr(GOST_F_GOST_DO_VERIFY, ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
BN_mod(tmp, md, dsa->q, ctx);
if (BN_is_zero(tmp)) {
@@ -172,15 +207,18 @@ int gost_do_verify(const unsigned char *dgst, int dgst_len,
BN_mod_exp(tmp2, dsa->pub_key, z2, dsa->p, ctx);
BN_mod_mul(tmp3, tmp, tmp2, dsa->p, ctx);
BN_mod(u, tmp3, dsa->q, ctx);
- ok = BN_cmp(u, sig->r);
+ ok = (BN_cmp(u, sig->r) == 0);
- BN_free(md);
- BN_CTX_end(ctx);
- BN_CTX_free(ctx);
- if (ok != 0) {
+ if (!ok) {
GOSTerr(GOST_F_GOST_DO_VERIFY, GOST_R_SIGNATURE_MISMATCH);
}
- return (ok == 0);
+err:
+ if(md) BN_free(md);
+ if(ctx) {
+ BN_CTX_end(ctx);
+ BN_CTX_free(ctx);
+ }
+ return ok;
}
/*
@@ -190,13 +228,24 @@ int gost_do_verify(const unsigned char *dgst, int dgst_len,
int gost94_compute_public(DSA *dsa)
{
/* Now fill algorithm parameters with correct values */
- BN_CTX *ctx = BN_CTX_new();
+ BN_CTX *ctx;
if (!dsa->g) {
GOSTerr(GOST_F_GOST94_COMPUTE_PUBLIC, GOST_R_KEY_IS_NOT_INITALIZED);
return 0;
}
- /* Compute public key y = a^x mod p */
+ ctx = BN_CTX_new();
+ if(!ctx) {
+ GOSTerr(GOST_F_GOST94_COMPUTE_PUBLIC, ERR_R_MALLOC_FAILURE);
+ return 0;
+ }
+
dsa->pub_key = BN_new();
+ if(!dsa->pub_key) {
+ GOSTerr(GOST_F_GOST94_COMPUTE_PUBLIC, ERR_R_MALLOC_FAILURE);
+ BN_CTX_free(ctx);
+ return 0;
+ }
+ /* Compute public key y = a^x mod p */
BN_mod_exp(dsa->pub_key, dsa->g, dsa->priv_key, dsa->p, ctx);
BN_CTX_free(ctx);
return 1;
@@ -243,6 +292,10 @@ int fill_GOST94_params(DSA *dsa, int nid)
int gost_sign_keygen(DSA *dsa)
{
dsa->priv_key = BN_new();
+ if(!dsa->priv_key) {
+ GOSTerr(GOST_F_GOST_SIGN_KEYGEN, ERR_R_MALLOC_FAILURE);
+ return 0;
+ }
BN_rand_range(dsa->priv_key, dsa->q);
return gost94_compute_public(dsa);
}
diff --git a/engines/e_sureware.c b/engines/e_sureware.c
index 1005dfc903d5..8a23763f75d9 100644
--- a/engines/e_sureware.c
+++ b/engines/e_sureware.c
@@ -712,10 +712,12 @@ static EVP_PKEY *sureware_load_public(ENGINE *e, const char *key_id,
/* set public big nums */
rsatmp->e = BN_new();
rsatmp->n = BN_new();
+ if(!rsatmp->e || !rsatmp->n)
+ goto err;
bn_expand2(rsatmp->e, el / sizeof(BN_ULONG));
bn_expand2(rsatmp->n, el / sizeof(BN_ULONG));
- if (!rsatmp->e || rsatmp->e->dmax != (int)(el / sizeof(BN_ULONG)) ||
- !rsatmp->n || rsatmp->n->dmax != (int)(el / sizeof(BN_ULONG)))
+ if (rsatmp->e->dmax != (int)(el / sizeof(BN_ULONG)) ||
+ rsatmp->n->dmax != (int)(el / sizeof(BN_ULONG)))
goto err;
ret = p_surewarehk_Load_Rsa_Pubkey(msg, key_id, el,
(unsigned long *)rsatmp->n->d,
@@ -752,15 +754,16 @@ static EVP_PKEY *sureware_load_public(ENGINE *e, const char *key_id,
dsatmp->p = BN_new();
dsatmp->q = BN_new();
dsatmp->g = BN_new();
+ if(!dsatmp->pub_key || !dsatmp->p || !dsatmp->q || !dsatmp->g)
+ goto err;
bn_expand2(dsatmp->pub_key, el / sizeof(BN_ULONG));
bn_expand2(dsatmp->p, el / sizeof(BN_ULONG));
bn_expand2(dsatmp->q, 20 / sizeof(BN_ULONG));
bn_expand2(dsatmp->g, el / sizeof(BN_ULONG));
- if (!dsatmp->pub_key
- || dsatmp->pub_key->dmax != (int)(el / sizeof(BN_ULONG))
- || !dsatmp->p || dsatmp->p->dmax != (int)(el / sizeof(BN_ULONG))
- || !dsatmp->q || dsatmp->q->dmax != 20 / sizeof(BN_ULONG)
- || !dsatmp->g || dsatmp->g->dmax != (int)(el / sizeof(BN_ULONG)))
+ if (dsatmp->pub_key->dmax != (int)(el / sizeof(BN_ULONG))
+ || dsatmp->p->dmax != (int)(el / sizeof(BN_ULONG))
+ || dsatmp->q->dmax != 20 / sizeof(BN_ULONG)
+ || dsatmp->g->dmax != (int)(el / sizeof(BN_ULONG)))
goto err;
ret = p_surewarehk_Load_Dsa_Pubkey(msg, key_id, el,
@@ -1038,10 +1041,12 @@ static DSA_SIG *surewarehk_dsa_do_sign(const unsigned char *from, int flen,
}
psign->r = BN_new();
psign->s = BN_new();
+ if(!psign->r || !psign->s)
+ goto err;
bn_expand2(psign->r, 20 / sizeof(BN_ULONG));
bn_expand2(psign->s, 20 / sizeof(BN_ULONG));
- if (!psign->r || psign->r->dmax != 20 / sizeof(BN_ULONG) ||
- !psign->s || psign->s->dmax != 20 / sizeof(BN_ULONG))
+ if (psign->r->dmax != 20 / sizeof(BN_ULONG) ||
+ psign->s->dmax != 20 / sizeof(BN_ULONG))
goto err;
ret = p_surewarehk_Dsa_Sign(msg, flen, from,
(unsigned long *)psign->r->d,
@@ -1070,9 +1075,9 @@ static int surewarehk_modexp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
char msg[64] = "ENGINE_modexp";
if (!p_surewarehk_Mod_Exp) {
SUREWAREerr(SUREWARE_F_SUREWAREHK_MODEXP, ENGINE_R_NOT_INITIALISED);
- } else {
+ } else if (r) {
bn_expand2(r, m->top);
- if (r && r->dmax == m->top) {
+ if (r->dmax == m->top) {
/* do it */
ret = p_surewarehk_Mod_Exp(msg,
m->top * sizeof(BN_ULONG),