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-rw-r--r--crypto/cmac/cm_pmeth.c292
1 files changed, 142 insertions, 150 deletions
diff --git a/crypto/cmac/cm_pmeth.c b/crypto/cmac/cm_pmeth.c
index 072228ec7fa4..a2300df18735 100644
--- a/crypto/cmac/cm_pmeth.c
+++ b/crypto/cmac/cm_pmeth.c
@@ -1,5 +1,6 @@
-/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
- * project 2010.
+/*
+ * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
+ * 2010.
*/
/* ====================================================================
* Copyright (c) 2010 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
@@ -61,164 +62,155 @@
/* The context structure and "key" is simply a CMAC_CTX */
static int pkey_cmac_init(EVP_PKEY_CTX *ctx)
- {
- ctx->data = CMAC_CTX_new();
- if (!ctx->data)
- return 0;
- ctx->keygen_info_count = 0;
- return 1;
- }
+{
+ ctx->data = CMAC_CTX_new();
+ if (!ctx->data)
+ return 0;
+ ctx->keygen_info_count = 0;
+ return 1;
+}
static int pkey_cmac_copy(EVP_PKEY_CTX *dst, EVP_PKEY_CTX *src)
- {
- if (!pkey_cmac_init(dst))
- return 0;
- if (!CMAC_CTX_copy(dst->data, src->data))
- return 0;
- return 1;
- }
+{
+ if (!pkey_cmac_init(dst))
+ return 0;
+ if (!CMAC_CTX_copy(dst->data, src->data))
+ return 0;
+ return 1;
+}
static void pkey_cmac_cleanup(EVP_PKEY_CTX *ctx)
- {
- CMAC_CTX_free(ctx->data);
- }
+{
+ CMAC_CTX_free(ctx->data);
+}
static int pkey_cmac_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
- {
- CMAC_CTX *cmkey = CMAC_CTX_new();
- CMAC_CTX *cmctx = ctx->data;
- if (!cmkey)
- return 0;
- if (!CMAC_CTX_copy(cmkey, cmctx))
- {
- CMAC_CTX_free(cmkey);
- return 0;
- }
- EVP_PKEY_assign(pkey, EVP_PKEY_CMAC, cmkey);
-
- return 1;
- }
-
-static int int_update(EVP_MD_CTX *ctx,const void *data,size_t count)
- {
- if (!CMAC_Update(ctx->pctx->data, data, count))
- return 0;
- return 1;
- }
+{
+ CMAC_CTX *cmkey = CMAC_CTX_new();
+ CMAC_CTX *cmctx = ctx->data;
+ if (!cmkey)
+ return 0;
+ if (!CMAC_CTX_copy(cmkey, cmctx)) {
+ CMAC_CTX_free(cmkey);
+ return 0;
+ }
+ EVP_PKEY_assign(pkey, EVP_PKEY_CMAC, cmkey);
+
+ return 1;
+}
+
+static int int_update(EVP_MD_CTX *ctx, const void *data, size_t count)
+{
+ if (!CMAC_Update(ctx->pctx->data, data, count))
+ return 0;
+ return 1;
+}
static int cmac_signctx_init(EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx)
- {
- EVP_MD_CTX_set_flags(mctx, EVP_MD_CTX_FLAG_NO_INIT);
- mctx->update = int_update;
- return 1;
- }
+{
+ EVP_MD_CTX_set_flags(mctx, EVP_MD_CTX_FLAG_NO_INIT);
+ mctx->update = int_update;
+ return 1;
+}
static int cmac_signctx(EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen,
- EVP_MD_CTX *mctx)
- {
- return CMAC_Final(ctx->data, sig, siglen);
- }
+ EVP_MD_CTX *mctx)
+{
+ return CMAC_Final(ctx->data, sig, siglen);
+}
static int pkey_cmac_ctrl(EVP_PKEY_CTX *ctx, int type, int p1, void *p2)
- {
- CMAC_CTX *cmctx = ctx->data;
- switch (type)
- {
-
- case EVP_PKEY_CTRL_SET_MAC_KEY:
- if (!p2 || p1 < 0)
- return 0;
- if (!CMAC_Init(cmctx, p2, p1, NULL, NULL))
- return 0;
- break;
-
- case EVP_PKEY_CTRL_CIPHER:
- if (!CMAC_Init(cmctx, NULL, 0, p2, ctx->engine))
- return 0;
- break;
-
- case EVP_PKEY_CTRL_MD:
- if (ctx->pkey && !CMAC_CTX_copy(ctx->data,
- (CMAC_CTX *)ctx->pkey->pkey.ptr))
- return 0;
- if (!CMAC_Init(cmctx, NULL, 0, NULL, NULL))
- return 0;
- break;
-
- default:
- return -2;
-
- }
- return 1;
- }
+{
+ CMAC_CTX *cmctx = ctx->data;
+ switch (type) {
+
+ case EVP_PKEY_CTRL_SET_MAC_KEY:
+ if (!p2 || p1 < 0)
+ return 0;
+ if (!CMAC_Init(cmctx, p2, p1, NULL, NULL))
+ return 0;
+ break;
+
+ case EVP_PKEY_CTRL_CIPHER:
+ if (!CMAC_Init(cmctx, NULL, 0, p2, ctx->engine))
+ return 0;
+ break;
+
+ case EVP_PKEY_CTRL_MD:
+ if (ctx->pkey && !CMAC_CTX_copy(ctx->data,
+ (CMAC_CTX *)ctx->pkey->pkey.ptr))
+ return 0;
+ if (!CMAC_Init(cmctx, NULL, 0, NULL, NULL))
+ return 0;
+ break;
+
+ default:
+ return -2;
+
+ }
+ return 1;
+}
static int pkey_cmac_ctrl_str(EVP_PKEY_CTX *ctx,
- const char *type, const char *value)
- {
- if (!value)
- {
- return 0;
- }
- if (!strcmp(type, "key"))
- {
- void *p = (void *)value;
- return pkey_cmac_ctrl(ctx, EVP_PKEY_CTRL_SET_MAC_KEY,
- strlen(p), p);
- }
- if (!strcmp(type, "cipher"))
- {
- const EVP_CIPHER *c;
- c = EVP_get_cipherbyname(value);
- if (!c)
- return 0;
- return pkey_cmac_ctrl(ctx, EVP_PKEY_CTRL_CIPHER, -1, (void *)c);
- }
- if (!strcmp(type, "hexkey"))
- {
- unsigned char *key;
- int r;
- long keylen;
- key = string_to_hex(value, &keylen);
- if (!key)
- return 0;
- r = pkey_cmac_ctrl(ctx, EVP_PKEY_CTRL_SET_MAC_KEY, keylen, key);
- OPENSSL_free(key);
- return r;
- }
- return -2;
- }
-
-const EVP_PKEY_METHOD cmac_pkey_meth =
- {
- EVP_PKEY_CMAC,
- EVP_PKEY_FLAG_SIGCTX_CUSTOM,
- pkey_cmac_init,
- pkey_cmac_copy,
- pkey_cmac_cleanup,
-
- 0, 0,
-
- 0,
- pkey_cmac_keygen,
-
- 0, 0,
-
- 0, 0,
-
- 0,0,
-
- cmac_signctx_init,
- cmac_signctx,
-
- 0,0,
-
- 0,0,
-
- 0,0,
-
- 0,0,
-
- pkey_cmac_ctrl,
- pkey_cmac_ctrl_str
-
- };
+ const char *type, const char *value)
+{
+ if (!value) {
+ return 0;
+ }
+ if (!strcmp(type, "key")) {
+ void *p = (void *)value;
+ return pkey_cmac_ctrl(ctx, EVP_PKEY_CTRL_SET_MAC_KEY, strlen(p), p);
+ }
+ if (!strcmp(type, "cipher")) {
+ const EVP_CIPHER *c;
+ c = EVP_get_cipherbyname(value);
+ if (!c)
+ return 0;
+ return pkey_cmac_ctrl(ctx, EVP_PKEY_CTRL_CIPHER, -1, (void *)c);
+ }
+ if (!strcmp(type, "hexkey")) {
+ unsigned char *key;
+ int r;
+ long keylen;
+ key = string_to_hex(value, &keylen);
+ if (!key)
+ return 0;
+ r = pkey_cmac_ctrl(ctx, EVP_PKEY_CTRL_SET_MAC_KEY, keylen, key);
+ OPENSSL_free(key);
+ return r;
+ }
+ return -2;
+}
+
+const EVP_PKEY_METHOD cmac_pkey_meth = {
+ EVP_PKEY_CMAC,
+ EVP_PKEY_FLAG_SIGCTX_CUSTOM,
+ pkey_cmac_init,
+ pkey_cmac_copy,
+ pkey_cmac_cleanup,
+
+ 0, 0,
+
+ 0,
+ pkey_cmac_keygen,
+
+ 0, 0,
+
+ 0, 0,
+
+ 0, 0,
+
+ cmac_signctx_init,
+ cmac_signctx,
+
+ 0, 0,
+
+ 0, 0,
+
+ 0, 0,
+
+ 0, 0,
+
+ pkey_cmac_ctrl,
+ pkey_cmac_ctrl_str
+};