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authorDmitry Belyavskiy <beldmit@gmail.com>2016-03-26 17:05:07 +0300
committerDmitry Belyavskiy <beldmit@gmail.com>2016-03-26 17:05:07 +0300
commitaed4f443f97e96ed015a7962606b10e1977edd51 (patch)
treed0f45dcb2a55ac85972099198f84e3844b59844f /gost_crypt.c
parent286a33984c698f2efa98dd06995c7d734569409c (diff)
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Opaquization fixes + sources formatting.
Diffstat (limited to 'gost_crypt.c')
-rw-r--r--gost_crypt.c122
1 files changed, 66 insertions, 56 deletions
diff --git a/gost_crypt.c b/gost_crypt.c
index f55a10c..f9ed2cf 100644
--- a/gost_crypt.c
+++ b/gost_crypt.c
@@ -51,9 +51,8 @@ const EVP_CIPHER *cipher_gost(void)
{
if (_hidden_Gost28147_89_cipher == NULL
&& ((_hidden_Gost28147_89_cipher =
- EVP_CIPHER_meth_new(NID_id_Gost28147_89,
- 1 /* block_size */,
- 32 /* key_size */)) == NULL
+ EVP_CIPHER_meth_new(NID_id_Gost28147_89, 1 /* block_size */ ,
+ 32 /* key_size */ )) == NULL
|| !EVP_CIPHER_meth_set_iv_length(_hidden_Gost28147_89_cipher, 8)
|| !EVP_CIPHER_meth_set_flags(_hidden_Gost28147_89_cipher,
EVP_CIPH_CFB_MODE |
@@ -68,11 +67,14 @@ const EVP_CIPHER *cipher_gost(void)
|| !EVP_CIPHER_meth_set_cleanup(_hidden_Gost28147_89_cipher,
gost_cipher_cleanup)
|| !EVP_CIPHER_meth_set_impl_ctx_size(_hidden_Gost28147_89_cipher,
- sizeof(struct ossl_gost_cipher_ctx))
- || !EVP_CIPHER_meth_set_set_asn1_params(_hidden_Gost28147_89_cipher,
- gost89_set_asn1_parameters)
- || !EVP_CIPHER_meth_set_get_asn1_params(_hidden_Gost28147_89_cipher,
- gost89_get_asn1_parameters)
+ sizeof(struct
+ ossl_gost_cipher_ctx))
+ ||
+ !EVP_CIPHER_meth_set_set_asn1_params(_hidden_Gost28147_89_cipher,
+ gost89_set_asn1_parameters)
+ ||
+ !EVP_CIPHER_meth_set_get_asn1_params(_hidden_Gost28147_89_cipher,
+ gost89_get_asn1_parameters)
|| !EVP_CIPHER_meth_set_ctrl(_hidden_Gost28147_89_cipher,
gost_cipher_ctl))) {
EVP_CIPHER_meth_free(_hidden_Gost28147_89_cipher);
@@ -80,21 +82,20 @@ const EVP_CIPHER *cipher_gost(void)
}
return _hidden_Gost28147_89_cipher;
}
-
+
static EVP_CIPHER *_hidden_Gost28147_89_cbc = NULL;
const EVP_CIPHER *cipher_gost_cbc(void)
{
if (_hidden_Gost28147_89_cbc == NULL
&& ((_hidden_Gost28147_89_cbc =
- EVP_CIPHER_meth_new(NID_gost89_cbc,
- 8 /* block_size */,
- 32 /* key_size */)) == NULL
+ EVP_CIPHER_meth_new(NID_gost89_cbc, 8 /* block_size */ ,
+ 32 /* key_size */ )) == NULL
|| !EVP_CIPHER_meth_set_iv_length(_hidden_Gost28147_89_cbc, 8)
|| !EVP_CIPHER_meth_set_flags(_hidden_Gost28147_89_cbc,
- EVP_CIPH_CBC_MODE |
- EVP_CIPH_CUSTOM_IV |
- EVP_CIPH_RAND_KEY |
- EVP_CIPH_ALWAYS_CALL_INIT)
+ EVP_CIPH_CBC_MODE |
+ EVP_CIPH_CUSTOM_IV |
+ EVP_CIPH_RAND_KEY |
+ EVP_CIPH_ALWAYS_CALL_INIT)
|| !EVP_CIPHER_meth_set_init(_hidden_Gost28147_89_cbc,
gost_cipher_init_cbc)
|| !EVP_CIPHER_meth_set_do_cipher(_hidden_Gost28147_89_cbc,
@@ -102,7 +103,8 @@ const EVP_CIPHER *cipher_gost_cbc(void)
|| !EVP_CIPHER_meth_set_cleanup(_hidden_Gost28147_89_cbc,
gost_cipher_cleanup)
|| !EVP_CIPHER_meth_set_impl_ctx_size(_hidden_Gost28147_89_cbc,
- sizeof(struct ossl_gost_cipher_ctx))
+ sizeof(struct
+ ossl_gost_cipher_ctx))
|| !EVP_CIPHER_meth_set_set_asn1_params(_hidden_Gost28147_89_cbc,
gost89_set_asn1_parameters)
|| !EVP_CIPHER_meth_set_get_asn1_params(_hidden_Gost28147_89_cbc,
@@ -114,14 +116,14 @@ const EVP_CIPHER *cipher_gost_cbc(void)
}
return _hidden_Gost28147_89_cbc;
}
+
static EVP_CIPHER *_hidden_gost89_cnt = NULL;
const EVP_CIPHER *cipher_gost_cpacnt(void)
{
if (_hidden_gost89_cnt == NULL
&& ((_hidden_gost89_cnt =
- EVP_CIPHER_meth_new(NID_gost89_cnt,
- 1 /* block_size */,
- 32 /* key_size */)) == NULL
+ EVP_CIPHER_meth_new(NID_gost89_cnt, 1 /* block_size */ ,
+ 32 /* key_size */ )) == NULL
|| !EVP_CIPHER_meth_set_iv_length(_hidden_gost89_cnt, 8)
|| !EVP_CIPHER_meth_set_flags(_hidden_gost89_cnt,
EVP_CIPH_OFB_MODE |
@@ -136,7 +138,8 @@ const EVP_CIPHER *cipher_gost_cpacnt(void)
|| !EVP_CIPHER_meth_set_cleanup(_hidden_gost89_cnt,
gost_cipher_cleanup)
|| !EVP_CIPHER_meth_set_impl_ctx_size(_hidden_gost89_cnt,
- sizeof(struct ossl_gost_cipher_ctx))
+ sizeof(struct
+ ossl_gost_cipher_ctx))
|| !EVP_CIPHER_meth_set_set_asn1_params(_hidden_gost89_cnt,
gost89_set_asn1_parameters)
|| !EVP_CIPHER_meth_set_get_asn1_params(_hidden_gost89_cnt,
@@ -154,9 +157,8 @@ const EVP_CIPHER *cipher_gost_cpcnt_12(void)
{
if (_hidden_gost89_cnt_12 == NULL
&& ((_hidden_gost89_cnt_12 =
- EVP_CIPHER_meth_new(NID_gost89_cnt_12,
- 1 /* block_size */,
- 32 /* key_size */)) == NULL
+ EVP_CIPHER_meth_new(NID_gost89_cnt_12, 1 /* block_size */ ,
+ 32 /* key_size */ )) == NULL
|| !EVP_CIPHER_meth_set_iv_length(_hidden_gost89_cnt_12, 8)
|| !EVP_CIPHER_meth_set_flags(_hidden_gost89_cnt_12,
EVP_CIPH_OFB_MODE |
@@ -171,7 +173,8 @@ const EVP_CIPHER *cipher_gost_cpcnt_12(void)
|| !EVP_CIPHER_meth_set_cleanup(_hidden_gost89_cnt_12,
gost_cipher_cleanup)
|| !EVP_CIPHER_meth_set_impl_ctx_size(_hidden_gost89_cnt_12,
- sizeof(struct ossl_gost_cipher_ctx))
+ sizeof(struct
+ ossl_gost_cipher_ctx))
|| !EVP_CIPHER_meth_set_set_asn1_params(_hidden_gost89_cnt_12,
gost89_set_asn1_parameters)
|| !EVP_CIPHER_meth_set_get_asn1_params(_hidden_gost89_cnt_12,
@@ -196,7 +199,6 @@ void cipher_gost_destroy(void)
_hidden_gost89_cnt_12 = NULL;
}
-
/* Implementation of GOST 28147-89 in MAC (imitovstavka) mode */
/* Init functions which set specific parameters */
static int gost_imit_init_cpa(EVP_MD_CTX *ctx);
@@ -223,7 +225,8 @@ EVP_MD *imit_gost_cpa(void)
|| !EVP_MD_meth_set_result_size(md, 4)
|| !EVP_MD_meth_set_input_blocksize(md, 8)
|| !EVP_MD_meth_set_app_datasize(md,
- sizeof(struct ossl_gost_imit_ctx))
+ sizeof(struct
+ ossl_gost_imit_ctx))
|| !EVP_MD_meth_set_flags(md, 0)
|| !EVP_MD_meth_set_init(md, gost_imit_init_cpa)
|| !EVP_MD_meth_set_update(md, gost_imit_update)
@@ -254,7 +257,8 @@ EVP_MD *imit_gost_cp_12(void)
|| !EVP_MD_meth_set_result_size(md, 4)
|| !EVP_MD_meth_set_input_blocksize(md, 8)
|| !EVP_MD_meth_set_app_datasize(md,
- sizeof(struct ossl_gost_imit_ctx))
+ sizeof(struct
+ ossl_gost_imit_ctx))
|| !EVP_MD_meth_set_flags(md, 0)
|| !EVP_MD_meth_set_init(md, gost_imit_init_cp_12)
|| !EVP_MD_meth_set_update(md, gost_imit_update)
@@ -364,11 +368,11 @@ static int gost_cipher_init_param(EVP_CIPHER_CTX *ctx,
const unsigned char *iv, int enc,
int paramNID, int mode)
{
- struct ossl_gost_cipher_ctx *c = EVP_CIPHER_CTX_cipher_data(ctx);
+ struct ossl_gost_cipher_ctx *c = EVP_CIPHER_CTX_get_cipher_data(ctx);
if (EVP_CIPHER_CTX_get_app_data(ctx) == NULL) {
if (!gost_cipher_set_param(c, paramNID))
return 0;
- EVP_CIPHER_CTX_set_app_data(ctx, EVP_CIPHER_CTX_cipher_data(ctx));
+ EVP_CIPHER_CTX_set_app_data(ctx, EVP_CIPHER_CTX_get_cipher_data(ctx));
}
if (key)
gost_key(&(c->cctx), key);
@@ -377,8 +381,7 @@ static int gost_cipher_init_param(EVP_CIPHER_CTX *ctx,
EVP_CIPHER_CTX_iv_length(ctx));
}
memcpy(EVP_CIPHER_CTX_iv_noconst(ctx),
- EVP_CIPHER_CTX_original_iv(ctx),
- EVP_CIPHER_CTX_iv_length(ctx));
+ EVP_CIPHER_CTX_original_iv(ctx), EVP_CIPHER_CTX_iv_length(ctx));
return 1;
}
@@ -387,7 +390,7 @@ static int gost_cipher_init_cnt(EVP_CIPHER_CTX *ctx,
const unsigned char *iv,
gost_subst_block * block)
{
- struct ossl_gost_cipher_ctx *c = EVP_CIPHER_CTX_cipher_data(ctx);
+ struct ossl_gost_cipher_ctx *c = EVP_CIPHER_CTX_get_cipher_data(ctx);
gost_init(&(c->cctx), block);
c->key_meshing = 1;
c->count = 0;
@@ -398,8 +401,7 @@ static int gost_cipher_init_cnt(EVP_CIPHER_CTX *ctx,
EVP_CIPHER_CTX_iv_length(ctx));
}
memcpy(EVP_CIPHER_CTX_iv_noconst(ctx),
- EVP_CIPHER_CTX_original_iv(ctx),
- EVP_CIPHER_CTX_iv_length(ctx));
+ EVP_CIPHER_CTX_original_iv(ctx), EVP_CIPHER_CTX_iv_length(ctx));
return 1;
}
@@ -490,11 +492,11 @@ int gost_cipher_do_cbc(EVP_CIPHER_CTX *ctx, unsigned char *out,
const unsigned char *in_ptr = in;
unsigned char *out_ptr = out;
int i;
- struct ossl_gost_cipher_ctx *c = EVP_CIPHER_CTX_cipher_data(ctx);
+ struct ossl_gost_cipher_ctx *c = EVP_CIPHER_CTX_get_cipher_data(ctx);
unsigned char *iv = EVP_CIPHER_CTX_iv_noconst(ctx);
if (EVP_CIPHER_CTX_encrypting(ctx)) {
while (inl > 0) {
-
+
for (i = 0; i < 8; i++) {
b[i] = iv[i] ^ in_ptr[i];
}
@@ -528,7 +530,7 @@ int gost_cipher_do_cfb(EVP_CIPHER_CTX *ctx, unsigned char *out,
size_t i = 0;
size_t j = 0;
unsigned char *buf = EVP_CIPHER_CTX_buf_noconst(ctx);
- unsigned char *iv = EVP_CIPHER_CTX_iv_noconst(ctx);
+ unsigned char *iv = EVP_CIPHER_CTX_iv_noconst(ctx);
/* process partial block if any */
if (EVP_CIPHER_CTX_num(ctx)) {
for (j = EVP_CIPHER_CTX_num(ctx), i = 0; j < 8 && i < inl;
@@ -552,7 +554,7 @@ int gost_cipher_do_cfb(EVP_CIPHER_CTX *ctx, unsigned char *out,
/*
* block cipher current iv
*/
- gost_crypt_mesh(EVP_CIPHER_CTX_cipher_data(ctx), iv, buf);
+ gost_crypt_mesh(EVP_CIPHER_CTX_get_cipher_data(ctx), iv, buf);
/*
* xor next block of input text with it and output it
*/
@@ -571,7 +573,7 @@ int gost_cipher_do_cfb(EVP_CIPHER_CTX *ctx, unsigned char *out,
}
/* Process rest of buffer */
if (i < inl) {
- gost_crypt_mesh(EVP_CIPHER_CTX_cipher_data(ctx), iv, buf);
+ gost_crypt_mesh(EVP_CIPHER_CTX_get_cipher_data(ctx), iv, buf);
if (!EVP_CIPHER_CTX_encrypting(ctx))
memcpy(buf + 8, in_ptr, inl - i);
for (j = 0; i < inl; j++, i++) {
@@ -594,7 +596,7 @@ static int gost_cipher_do_cnt(EVP_CIPHER_CTX *ctx, unsigned char *out,
size_t i = 0;
size_t j;
unsigned char *buf = EVP_CIPHER_CTX_buf_noconst(ctx);
- unsigned char *iv = EVP_CIPHER_CTX_iv_noconst(ctx);
+ unsigned char *iv = EVP_CIPHER_CTX_iv_noconst(ctx);
/* process partial block if any */
if (EVP_CIPHER_CTX_num(ctx)) {
for (j = EVP_CIPHER_CTX_num(ctx), i = 0; j < 8 && i < inl;
@@ -614,7 +616,7 @@ static int gost_cipher_do_cnt(EVP_CIPHER_CTX *ctx, unsigned char *out,
* block cipher current iv
*/
/* Encrypt */
- gost_cnt_next(EVP_CIPHER_CTX_cipher_data(ctx), iv, buf);
+ gost_cnt_next(EVP_CIPHER_CTX_get_cipher_data(ctx), iv, buf);
/*
* xor next block of input text with it and output it
*/
@@ -627,7 +629,7 @@ static int gost_cipher_do_cnt(EVP_CIPHER_CTX *ctx, unsigned char *out,
}
/* Process rest of buffer */
if (i < inl) {
- gost_cnt_next(EVP_CIPHER_CTX_cipher_data(ctx), iv, buf);
+ gost_cnt_next(EVP_CIPHER_CTX_get_cipher_data(ctx), iv, buf);
for (j = 0; i < inl; j++, i++) {
out_ptr[j] = buf[j] ^ in_ptr[j];
}
@@ -641,7 +643,9 @@ static int gost_cipher_do_cnt(EVP_CIPHER_CTX *ctx, unsigned char *out,
/* Cleaning up of EVP_CIPHER_CTX */
int gost_cipher_cleanup(EVP_CIPHER_CTX *ctx)
{
- gost_destroy(&((struct ossl_gost_cipher_ctx *)EVP_CIPHER_CTX_cipher_data(ctx))->cctx);
+ gost_destroy(&
+ ((struct ossl_gost_cipher_ctx *)
+ EVP_CIPHER_CTX_get_cipher_data(ctx))->cctx);
EVP_CIPHER_CTX_set_app_data(ctx, NULL);
return 1;
}
@@ -653,7 +657,8 @@ int gost_cipher_ctl(EVP_CIPHER_CTX *ctx, int type, int arg, void *ptr)
#if 0
case EVP_CTRL_INIT:
{
- struct ossl_gost_cipher_ctx *c = EVP_CIPHER_CTX_cipher_data(ctx);
+ struct ossl_gost_cipher_ctx *c =
+ EVP_CIPHER_CTX_get_cipher_data(ctx);
if (c == NULL) {
return -1;
}
@@ -662,7 +667,8 @@ int gost_cipher_ctl(EVP_CIPHER_CTX *ctx, int type, int arg, void *ptr)
#endif
case EVP_CTRL_RAND_KEY:
{
- if (RAND_bytes((unsigned char *)ptr, EVP_CIPHER_CTX_key_length(ctx)) <= 0) {
+ if (RAND_bytes
+ ((unsigned char *)ptr, EVP_CIPHER_CTX_key_length(ctx)) <= 0) {
GOSTerr(GOST_F_GOST_CIPHER_CTL, GOST_R_RNG_ERROR);
return -1;
}
@@ -689,7 +695,8 @@ int gost_cipher_ctl(EVP_CIPHER_CTX *ctx, int type, int arg, void *ptr)
case EVP_CTRL_SET_SBOX:
if (ptr) {
- struct ossl_gost_cipher_ctx *c = EVP_CIPHER_CTX_cipher_data(ctx);
+ struct ossl_gost_cipher_ctx *c =
+ EVP_CIPHER_CTX_get_cipher_data(ctx);
int nid;
int cur_meshing;
int ret;
@@ -712,11 +719,12 @@ int gost_cipher_ctl(EVP_CIPHER_CTX *ctx, int type, int arg, void *ptr)
c->key_meshing = cur_meshing;
return ret;
} else {
- return 0;
+ return 0;
}
case EVP_CTRL_KEY_MESH:
{
- struct ossl_gost_cipher_ctx *c = EVP_CIPHER_CTX_cipher_data(ctx);
+ struct ossl_gost_cipher_ctx *c =
+ EVP_CIPHER_CTX_get_cipher_data(ctx);
if (c == NULL) {
return -1;
@@ -743,14 +751,15 @@ int gost89_set_asn1_parameters(EVP_CIPHER_CTX *ctx, ASN1_TYPE *params)
int len = 0;
unsigned char *buf = NULL;
unsigned char *p = NULL;
- struct ossl_gost_cipher_ctx *c = EVP_CIPHER_CTX_cipher_data(ctx);
+ struct ossl_gost_cipher_ctx *c = EVP_CIPHER_CTX_get_cipher_data(ctx);
GOST_CIPHER_PARAMS *gcp = GOST_CIPHER_PARAMS_new();
ASN1_OCTET_STRING *os = NULL;
if (!gcp) {
GOSTerr(GOST_F_GOST89_SET_ASN1_PARAMETERS, ERR_R_MALLOC_FAILURE);
return 0;
}
- if (!ASN1_OCTET_STRING_set(gcp->iv, EVP_CIPHER_CTX_iv(ctx), EVP_CIPHER_CTX_iv_length(ctx))) {
+ if (!ASN1_OCTET_STRING_set
+ (gcp->iv, EVP_CIPHER_CTX_iv(ctx), EVP_CIPHER_CTX_iv_length(ctx))) {
GOST_CIPHER_PARAMS_free(gcp);
GOSTerr(GOST_F_GOST89_SET_ASN1_PARAMETERS, ERR_R_MALLOC_FAILURE);
return 0;
@@ -788,7 +797,7 @@ int gost89_get_asn1_parameters(EVP_CIPHER_CTX *ctx, ASN1_TYPE *params)
int len;
GOST_CIPHER_PARAMS *gcp = NULL;
unsigned char *p;
- struct ossl_gost_cipher_ctx *c = EVP_CIPHER_CTX_cipher_data(ctx);
+ struct ossl_gost_cipher_ctx *c = EVP_CIPHER_CTX_get_cipher_data(ctx);
int nid;
if (ASN1_TYPE_get(params) != V_ASN1_SEQUENCE) {
@@ -819,9 +828,9 @@ int gost89_get_asn1_parameters(EVP_CIPHER_CTX *ctx, ASN1_TYPE *params)
GOST_CIPHER_PARAMS_free(gcp);
return -1;
}
- /*XXX missing non-const accessor*/
+ /*XXX missing non-const accessor */
memcpy((unsigned char *)EVP_CIPHER_CTX_original_iv(ctx), gcp->iv->data,
- EVP_CIPHER_CTX_iv_length(ctx));
+ EVP_CIPHER_CTX_iv_length(ctx));
GOST_CIPHER_PARAMS_free(gcp);
@@ -931,9 +940,10 @@ int gost_imit_ctrl(EVP_MD_CTX *ctx, int type, int arg, void *ptr)
return 1;
case EVP_MD_CTRL_SET_KEY:
{
- struct ossl_gost_imit_ctx *gost_imit_ctx = EVP_MD_CTX_md_data(ctx);
+ struct ossl_gost_imit_ctx *gost_imit_ctx =
+ EVP_MD_CTX_md_data(ctx);
- if (EVP_MD_meth_get_init(EVP_MD_CTX_md(ctx))(ctx) <= 0) {
+ if (EVP_MD_meth_get_init(EVP_MD_CTX_md(ctx)) (ctx) <= 0) {
GOSTerr(GOST_F_GOST_IMIT_CTRL, GOST_R_MAC_KEY_NOT_SET);
return 0;
}