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-rw-r--r--crypto/dh/dh_pmeth.c343
1 files changed, 167 insertions, 176 deletions
diff --git a/crypto/dh/dh_pmeth.c b/crypto/dh/dh_pmeth.c
index 5ae72b7d4cc2..65bc3882c7f2 100644
--- a/crypto/dh/dh_pmeth.c
+++ b/crypto/dh/dh_pmeth.c
@@ -1,5 +1,6 @@
-/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
- * project 2006.
+/*
+ * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
+ * 2006.
*/
/* ====================================================================
* Copyright (c) 2006 The OpenSSL Project. All rights reserved.
@@ -9,7 +10,7 @@
* 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
@@ -66,189 +67,179 @@
/* DH pkey context structure */
-typedef struct
- {
- /* Parameter gen parameters */
- int prime_len;
- int generator;
- int use_dsa;
- /* Keygen callback info */
- int gentmp[2];
- /* message digest */
- } DH_PKEY_CTX;
+typedef struct {
+ /* Parameter gen parameters */
+ int prime_len;
+ int generator;
+ int use_dsa;
+ /* Keygen callback info */
+ int gentmp[2];
+ /* message digest */
+} DH_PKEY_CTX;
static int pkey_dh_init(EVP_PKEY_CTX *ctx)
- {
- DH_PKEY_CTX *dctx;
- dctx = OPENSSL_malloc(sizeof(DH_PKEY_CTX));
- if (!dctx)
- return 0;
- dctx->prime_len = 1024;
- dctx->generator = 2;
- dctx->use_dsa = 0;
-
- ctx->data = dctx;
- ctx->keygen_info = dctx->gentmp;
- ctx->keygen_info_count = 2;
-
- return 1;
- }
+{
+ DH_PKEY_CTX *dctx;
+ dctx = OPENSSL_malloc(sizeof(DH_PKEY_CTX));
+ if (!dctx)
+ return 0;
+ dctx->prime_len = 1024;
+ dctx->generator = 2;
+ dctx->use_dsa = 0;
+
+ ctx->data = dctx;
+ ctx->keygen_info = dctx->gentmp;
+ ctx->keygen_info_count = 2;
+
+ return 1;
+}
static int pkey_dh_copy(EVP_PKEY_CTX *dst, EVP_PKEY_CTX *src)
- {
- DH_PKEY_CTX *dctx, *sctx;
- if (!pkey_dh_init(dst))
- return 0;
- sctx = src->data;
- dctx = dst->data;
- dctx->prime_len = sctx->prime_len;
- dctx->generator = sctx->generator;
- dctx->use_dsa = sctx->use_dsa;
- return 1;
- }
+{
+ DH_PKEY_CTX *dctx, *sctx;
+ if (!pkey_dh_init(dst))
+ return 0;
+ sctx = src->data;
+ dctx = dst->data;
+ dctx->prime_len = sctx->prime_len;
+ dctx->generator = sctx->generator;
+ dctx->use_dsa = sctx->use_dsa;
+ return 1;
+}
static void pkey_dh_cleanup(EVP_PKEY_CTX *ctx)
- {
- DH_PKEY_CTX *dctx = ctx->data;
- if (dctx)
- OPENSSL_free(dctx);
- }
+{
+ DH_PKEY_CTX *dctx = ctx->data;
+ if (dctx)
+ OPENSSL_free(dctx);
+}
static int pkey_dh_ctrl(EVP_PKEY_CTX *ctx, int type, int p1, void *p2)
- {
- DH_PKEY_CTX *dctx = ctx->data;
- switch (type)
- {
- case EVP_PKEY_CTRL_DH_PARAMGEN_PRIME_LEN:
- if (p1 < 256)
- return -2;
- dctx->prime_len = p1;
- return 1;
-
- case EVP_PKEY_CTRL_DH_PARAMGEN_GENERATOR:
- dctx->generator = p1;
- return 1;
-
- case EVP_PKEY_CTRL_PEER_KEY:
- /* Default behaviour is OK */
- return 1;
-
- default:
- return -2;
-
- }
- }
-
-
+{
+ DH_PKEY_CTX *dctx = ctx->data;
+ switch (type) {
+ case EVP_PKEY_CTRL_DH_PARAMGEN_PRIME_LEN:
+ if (p1 < 256)
+ return -2;
+ dctx->prime_len = p1;
+ return 1;
+
+ case EVP_PKEY_CTRL_DH_PARAMGEN_GENERATOR:
+ dctx->generator = p1;
+ return 1;
+
+ case EVP_PKEY_CTRL_PEER_KEY:
+ /* Default behaviour is OK */
+ return 1;
+
+ default:
+ return -2;
+
+ }
+}
+
static int pkey_dh_ctrl_str(EVP_PKEY_CTX *ctx,
- const char *type, const char *value)
- {
- if (!strcmp(type, "dh_paramgen_prime_len"))
- {
- int len;
- len = atoi(value);
- return EVP_PKEY_CTX_set_dh_paramgen_prime_len(ctx, len);
- }
- if (!strcmp(type, "dh_paramgen_generator"))
- {
- int len;
- len = atoi(value);
- return EVP_PKEY_CTX_set_dh_paramgen_generator(ctx, len);
- }
- return -2;
- }
+ const char *type, const char *value)
+{
+ if (!strcmp(type, "dh_paramgen_prime_len")) {
+ int len;
+ len = atoi(value);
+ return EVP_PKEY_CTX_set_dh_paramgen_prime_len(ctx, len);
+ }
+ if (!strcmp(type, "dh_paramgen_generator")) {
+ int len;
+ len = atoi(value);
+ return EVP_PKEY_CTX_set_dh_paramgen_generator(ctx, len);
+ }
+ return -2;
+}
static int pkey_dh_paramgen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
- {
- DH *dh = NULL;
- DH_PKEY_CTX *dctx = ctx->data;
- BN_GENCB *pcb, cb;
- int ret;
- if (ctx->pkey_gencb)
- {
- pcb = &cb;
- evp_pkey_set_cb_translate(pcb, ctx);
- }
- else
- pcb = NULL;
- dh = DH_new();
- if (!dh)
- return 0;
- ret = DH_generate_parameters_ex(dh,
- dctx->prime_len, dctx->generator, pcb);
- if (ret)
- EVP_PKEY_assign_DH(pkey, dh);
- else
- DH_free(dh);
- return ret;
- }
+{
+ DH *dh = NULL;
+ DH_PKEY_CTX *dctx = ctx->data;
+ BN_GENCB *pcb, cb;
+ int ret;
+ if (ctx->pkey_gencb) {
+ pcb = &cb;
+ evp_pkey_set_cb_translate(pcb, ctx);
+ } else
+ pcb = NULL;
+ dh = DH_new();
+ if (!dh)
+ return 0;
+ ret = DH_generate_parameters_ex(dh,
+ dctx->prime_len, dctx->generator, pcb);
+ if (ret)
+ EVP_PKEY_assign_DH(pkey, dh);
+ else
+ DH_free(dh);
+ return ret;
+}
static int pkey_dh_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
- {
- DH *dh = NULL;
- if (ctx->pkey == NULL)
- {
- DHerr(DH_F_PKEY_DH_KEYGEN, DH_R_NO_PARAMETERS_SET);
- return 0;
- }
- dh = DH_new();
- if (!dh)
- return 0;
- EVP_PKEY_assign_DH(pkey, dh);
- /* Note: if error return, pkey is freed by parent routine */
- if (!EVP_PKEY_copy_parameters(pkey, ctx->pkey))
- return 0;
- return DH_generate_key(pkey->pkey.dh);
- }
-
-static int pkey_dh_derive(EVP_PKEY_CTX *ctx, unsigned char *key, size_t *keylen)
- {
- int ret;
- if (!ctx->pkey || !ctx->peerkey)
- {
- DHerr(DH_F_PKEY_DH_DERIVE, DH_R_KEYS_NOT_SET);
- return 0;
- }
- ret = DH_compute_key(key, ctx->peerkey->pkey.dh->pub_key,
- ctx->pkey->pkey.dh);
- if (ret < 0)
- return ret;
- *keylen = ret;
- return 1;
- }
-
-const EVP_PKEY_METHOD dh_pkey_meth =
- {
- EVP_PKEY_DH,
- EVP_PKEY_FLAG_AUTOARGLEN,
- pkey_dh_init,
- pkey_dh_copy,
- pkey_dh_cleanup,
-
- 0,
- pkey_dh_paramgen,
-
- 0,
- pkey_dh_keygen,
-
- 0,
- 0,
-
- 0,
- 0,
-
- 0,0,
-
- 0,0,0,0,
-
- 0,0,
-
- 0,0,
-
- 0,
- pkey_dh_derive,
-
- pkey_dh_ctrl,
- pkey_dh_ctrl_str
-
- };
+{
+ DH *dh = NULL;
+ if (ctx->pkey == NULL) {
+ DHerr(DH_F_PKEY_DH_KEYGEN, DH_R_NO_PARAMETERS_SET);
+ return 0;
+ }
+ dh = DH_new();
+ if (!dh)
+ return 0;
+ EVP_PKEY_assign_DH(pkey, dh);
+ /* Note: if error return, pkey is freed by parent routine */
+ if (!EVP_PKEY_copy_parameters(pkey, ctx->pkey))
+ return 0;
+ return DH_generate_key(pkey->pkey.dh);
+}
+
+static int pkey_dh_derive(EVP_PKEY_CTX *ctx, unsigned char *key,
+ size_t *keylen)
+{
+ int ret;
+ if (!ctx->pkey || !ctx->peerkey) {
+ DHerr(DH_F_PKEY_DH_DERIVE, DH_R_KEYS_NOT_SET);
+ return 0;
+ }
+ ret = DH_compute_key(key, ctx->peerkey->pkey.dh->pub_key,
+ ctx->pkey->pkey.dh);
+ if (ret < 0)
+ return ret;
+ *keylen = ret;
+ return 1;
+}
+
+const EVP_PKEY_METHOD dh_pkey_meth = {
+ EVP_PKEY_DH,
+ EVP_PKEY_FLAG_AUTOARGLEN,
+ pkey_dh_init,
+ pkey_dh_copy,
+ pkey_dh_cleanup,
+
+ 0,
+ pkey_dh_paramgen,
+
+ 0,
+ pkey_dh_keygen,
+
+ 0,
+ 0,
+
+ 0,
+ 0,
+
+ 0, 0,
+
+ 0, 0, 0, 0,
+
+ 0, 0,
+
+ 0, 0,
+
+ 0,
+ pkey_dh_derive,
+
+ pkey_dh_ctrl,
+ pkey_dh_ctrl_str
+};