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-rw-r--r--lib/libssl/src/crypto/ec/ec_pmeth.c185
1 files changed, 89 insertions, 96 deletions
diff --git a/lib/libssl/src/crypto/ec/ec_pmeth.c b/lib/libssl/src/crypto/ec/ec_pmeth.c
index c970d8c9ca2..28f501070c5 100644
--- a/lib/libssl/src/crypto/ec/ec_pmeth.c
+++ b/lib/libssl/src/crypto/ec/ec_pmeth.c
@@ -9,7 +9,7 @@
* are met:
*
* 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
+ * notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
@@ -66,16 +66,16 @@
/* EC pkey context structure */
-typedef struct
- {
+typedef struct {
/* Key and paramgen group */
EC_GROUP *gen_group;
/* message digest */
const EVP_MD *md;
- } EC_PKEY_CTX;
+} EC_PKEY_CTX;
-static int pkey_ec_init(EVP_PKEY_CTX *ctx)
- {
+static int
+pkey_ec_init(EVP_PKEY_CTX * ctx)
+{
EC_PKEY_CTX *dctx;
dctx = malloc(sizeof(EC_PKEY_CTX));
if (!dctx)
@@ -86,55 +86,52 @@ static int pkey_ec_init(EVP_PKEY_CTX *ctx)
ctx->data = dctx;
return 1;
- }
+}
-static int pkey_ec_copy(EVP_PKEY_CTX *dst, EVP_PKEY_CTX *src)
- {
+static int
+pkey_ec_copy(EVP_PKEY_CTX * dst, EVP_PKEY_CTX * src)
+{
EC_PKEY_CTX *dctx, *sctx;
if (!pkey_ec_init(dst))
return 0;
- sctx = src->data;
+ sctx = src->data;
dctx = dst->data;
- if (sctx->gen_group)
- {
+ if (sctx->gen_group) {
dctx->gen_group = EC_GROUP_dup(sctx->gen_group);
if (!dctx->gen_group)
return 0;
- }
+ }
dctx->md = sctx->md;
return 1;
- }
+}
-static void pkey_ec_cleanup(EVP_PKEY_CTX *ctx)
- {
+static void
+pkey_ec_cleanup(EVP_PKEY_CTX * ctx)
+{
EC_PKEY_CTX *dctx = ctx->data;
- if (dctx)
- {
+ if (dctx) {
if (dctx->gen_group)
EC_GROUP_free(dctx->gen_group);
free(dctx);
- }
}
+}
-static int pkey_ec_sign(EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen,
- const unsigned char *tbs, size_t tbslen)
- {
+static int
+pkey_ec_sign(EVP_PKEY_CTX * ctx, unsigned char *sig, size_t * siglen,
+ const unsigned char *tbs, size_t tbslen)
+{
int ret, type;
unsigned int sltmp;
EC_PKEY_CTX *dctx = ctx->data;
EC_KEY *ec = ctx->pkey->pkey.ec;
- if (!sig)
- {
+ if (!sig) {
*siglen = ECDSA_size(ec);
return 1;
- }
- else if(*siglen < (size_t)ECDSA_size(ec))
- {
+ } else if (*siglen < (size_t) ECDSA_size(ec)) {
ECerr(EC_F_PKEY_EC_SIGN, EC_R_BUFFER_TOO_SMALL);
return 0;
- }
-
+ }
if (dctx->md)
type = EVP_MD_type(dctx->md);
else
@@ -145,14 +142,15 @@ static int pkey_ec_sign(EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen,
if (ret <= 0)
return ret;
- *siglen = (size_t)sltmp;
+ *siglen = (size_t) sltmp;
return 1;
- }
+}
-static int pkey_ec_verify(EVP_PKEY_CTX *ctx,
- const unsigned char *sig, size_t siglen,
- const unsigned char *tbs, size_t tbslen)
- {
+static int
+pkey_ec_verify(EVP_PKEY_CTX * ctx,
+ const unsigned char *sig, size_t siglen,
+ const unsigned char *tbs, size_t tbslen)
+{
int ret, type;
EC_PKEY_CTX *dctx = ctx->data;
EC_KEY *ec = ctx->pkey->pkey.ec;
@@ -165,116 +163,111 @@ static int pkey_ec_verify(EVP_PKEY_CTX *ctx,
ret = ECDSA_verify(type, tbs, tbslen, sig, siglen, ec);
return ret;
- }
+}
-static int pkey_ec_derive(EVP_PKEY_CTX *ctx, unsigned char *key, size_t *keylen)
- {
+static int
+pkey_ec_derive(EVP_PKEY_CTX * ctx, unsigned char *key, size_t * keylen)
+{
int ret;
size_t outlen;
const EC_POINT *pubkey = NULL;
- if (!ctx->pkey || !ctx->peerkey)
- {
+ if (!ctx->pkey || !ctx->peerkey) {
ECerr(EC_F_PKEY_EC_DERIVE, EC_R_KEYS_NOT_SET);
return 0;
- }
-
- if (!key)
- {
+ }
+ if (!key) {
const EC_GROUP *group;
group = EC_KEY_get0_group(ctx->pkey->pkey.ec);
- *keylen = (EC_GROUP_get_degree(group) + 7)/8;
+ *keylen = (EC_GROUP_get_degree(group) + 7) / 8;
return 1;
- }
-
+ }
pubkey = EC_KEY_get0_public_key(ctx->peerkey->pkey.ec);
- /* NB: unlike PKCS#3 DH, if *outlen is less than maximum size this is
+ /*
+ * NB: unlike PKCS#3 DH, if *outlen is less than maximum size this is
* not an error, the result is truncated.
*/
outlen = *keylen;
-
+
ret = ECDH_compute_key(key, outlen, pubkey, ctx->pkey->pkey.ec, 0);
if (ret < 0)
return ret;
*keylen = ret;
return 1;
- }
+}
-static int pkey_ec_ctrl(EVP_PKEY_CTX *ctx, int type, int p1, void *p2)
- {
+static int
+pkey_ec_ctrl(EVP_PKEY_CTX * ctx, int type, int p1, void *p2)
+{
EC_PKEY_CTX *dctx = ctx->data;
EC_GROUP *group;
- switch (type)
- {
- case EVP_PKEY_CTRL_EC_PARAMGEN_CURVE_NID:
+ switch (type) {
+ case EVP_PKEY_CTRL_EC_PARAMGEN_CURVE_NID:
group = EC_GROUP_new_by_curve_name(p1);
- if (group == NULL)
- {
+ if (group == NULL) {
ECerr(EC_F_PKEY_EC_CTRL, EC_R_INVALID_CURVE);
return 0;
- }
+ }
if (dctx->gen_group)
EC_GROUP_free(dctx->gen_group);
dctx->gen_group = group;
return 1;
- case EVP_PKEY_CTRL_MD:
- if (EVP_MD_type((const EVP_MD *)p2) != NID_sha1 &&
- EVP_MD_type((const EVP_MD *)p2) != NID_ecdsa_with_SHA1 &&
- EVP_MD_type((const EVP_MD *)p2) != NID_sha224 &&
- EVP_MD_type((const EVP_MD *)p2) != NID_sha256 &&
- EVP_MD_type((const EVP_MD *)p2) != NID_sha384 &&
- EVP_MD_type((const EVP_MD *)p2) != NID_sha512)
- {
+ case EVP_PKEY_CTRL_MD:
+ if (EVP_MD_type((const EVP_MD *) p2) != NID_sha1 &&
+ EVP_MD_type((const EVP_MD *) p2) != NID_ecdsa_with_SHA1 &&
+ EVP_MD_type((const EVP_MD *) p2) != NID_sha224 &&
+ EVP_MD_type((const EVP_MD *) p2) != NID_sha256 &&
+ EVP_MD_type((const EVP_MD *) p2) != NID_sha384 &&
+ EVP_MD_type((const EVP_MD *) p2) != NID_sha512) {
ECerr(EC_F_PKEY_EC_CTRL, EC_R_INVALID_DIGEST_TYPE);
return 0;
- }
+ }
dctx->md = p2;
return 1;
- case EVP_PKEY_CTRL_PEER_KEY:
+ case EVP_PKEY_CTRL_PEER_KEY:
/* Default behaviour is OK */
- case EVP_PKEY_CTRL_DIGESTINIT:
- case EVP_PKEY_CTRL_PKCS7_SIGN:
- case EVP_PKEY_CTRL_CMS_SIGN:
+ case EVP_PKEY_CTRL_DIGESTINIT:
+ case EVP_PKEY_CTRL_PKCS7_SIGN:
+ case EVP_PKEY_CTRL_CMS_SIGN:
return 1;
- default:
+ default:
return -2;
- }
}
-
-static int pkey_ec_ctrl_str(EVP_PKEY_CTX *ctx,
- const char *type, const char *value)
- {
- if (!strcmp(type, "ec_paramgen_curve"))
- {
+}
+
+static int
+pkey_ec_ctrl_str(EVP_PKEY_CTX * ctx,
+ const char *type, const char *value)
+{
+ if (!strcmp(type, "ec_paramgen_curve")) {
int nid;
nid = OBJ_sn2nid(value);
if (nid == NID_undef)
nid = OBJ_ln2nid(value);
- if (nid == NID_undef)
- {
+ if (nid == NID_undef) {
ECerr(EC_F_PKEY_EC_CTRL_STR, EC_R_INVALID_CURVE);
return 0;
- }
- return EVP_PKEY_CTX_set_ec_paramgen_curve_nid(ctx, nid);
}
- return -2;
+ return EVP_PKEY_CTX_set_ec_paramgen_curve_nid(ctx, nid);
}
+ return -2;
+}
-static int pkey_ec_paramgen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
- {
+static int
+pkey_ec_paramgen(EVP_PKEY_CTX * ctx, EVP_PKEY * pkey)
+{
EC_KEY *ec = NULL;
EC_PKEY_CTX *dctx = ctx->data;
int ret = 0;
- if (dctx->gen_group == NULL)
- {
+ if (dctx->gen_group == NULL) {
ECerr(EC_F_PKEY_EC_PARAMGEN, EC_R_NO_PARAMETERS_SET);
return 0;
- }
+ }
ec = EC_KEY_new();
if (!ec)
return 0;
@@ -284,16 +277,16 @@ static int pkey_ec_paramgen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
else
EC_KEY_free(ec);
return ret;
- }
+}
-static int pkey_ec_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
- {
+static int
+pkey_ec_keygen(EVP_PKEY_CTX * ctx, EVP_PKEY * pkey)
+{
EC_KEY *ec = NULL;
- if (ctx->pkey == NULL)
- {
+ if (ctx->pkey == NULL) {
ECerr(EC_F_PKEY_EC_KEYGEN, EC_R_NO_PARAMETERS_SET);
return 0;
- }
+ }
ec = EC_KEY_new();
if (!ec)
return 0;
@@ -302,7 +295,7 @@ static int pkey_ec_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
if (!EVP_PKEY_copy_parameters(pkey, ctx->pkey))
return 0;
return EC_KEY_generate_key(pkey->pkey.ec);
- }
+}
const EVP_PKEY_METHOD ec_pkey_meth = {
.pkey_id = EVP_PKEY_EC,