summaryrefslogtreecommitdiffstats
path: root/crypto/hmac
diff options
context:
space:
mode:
authorMatt Caswell <matt@openssl.org>2015-01-22 03:29:12 +0000
committerMatt Caswell <matt@openssl.org>2015-01-22 09:31:38 +0000
commitae5c8664e587f2445c8e4eb436cffbb64af4f6b8 (patch)
tree6d5b2cbee6396484f83126f8c7e7a36b9777a652 /crypto/hmac
parentaae3233e1e08e9f11742f8f351af5c98cd8add16 (diff)
Run util/openssl-format-source -v -c .
Reviewed-by: Tim Hudson <tjh@openssl.org>
Diffstat (limited to 'crypto/hmac')
-rw-r--r--crypto/hmac/hm_ameth.c157
-rw-r--r--crypto/hmac/hm_pmeth.c373
-rw-r--r--crypto/hmac/hmac.c340
-rw-r--r--crypto/hmac/hmac.h57
-rw-r--r--crypto/hmac/hmactest.c188
5 files changed, 540 insertions, 575 deletions
diff --git a/crypto/hmac/hm_ameth.c b/crypto/hmac/hm_ameth.c
index 9fe6505bd5..29b2b5dffc 100644
--- a/crypto/hmac/hm_ameth.c
+++ b/crypto/hmac/hm_ameth.c
@@ -1,5 +1,6 @@
-/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
- * project 2007.
+/*
+ * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
+ * 2007.
*/
/* ====================================================================
* Copyright (c) 2007 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
@@ -62,106 +63,100 @@
#define HMAC_TEST_PRIVATE_KEY_FORMAT
-/* HMAC "ASN1" method. This is just here to indicate the
- * maximum HMAC output length and to free up an HMAC
- * key.
+/*
+ * HMAC "ASN1" method. This is just here to indicate the maximum HMAC output
+ * length and to free up an HMAC key.
*/
static int hmac_size(const EVP_PKEY *pkey)
- {
- return EVP_MAX_MD_SIZE;
- }
+{
+ return EVP_MAX_MD_SIZE;
+}
static void hmac_key_free(EVP_PKEY *pkey)
- {
- ASN1_OCTET_STRING *os = (ASN1_OCTET_STRING *)pkey->pkey.ptr;
- if (os)
- {
- if (os->data)
- OPENSSL_cleanse(os->data, os->length);
- ASN1_OCTET_STRING_free(os);
- }
- }
-
+{
+ ASN1_OCTET_STRING *os = (ASN1_OCTET_STRING *)pkey->pkey.ptr;
+ if (os) {
+ if (os->data)
+ OPENSSL_cleanse(os->data, os->length);
+ ASN1_OCTET_STRING_free(os);
+ }
+}
static int hmac_pkey_ctrl(EVP_PKEY *pkey, int op, long arg1, void *arg2)
- {
- switch (op)
- {
- case ASN1_PKEY_CTRL_DEFAULT_MD_NID:
- *(int *)arg2 = NID_sha256;
- return 1;
-
- default:
- return -2;
- }
- }
+{
+ switch (op) {
+ case ASN1_PKEY_CTRL_DEFAULT_MD_NID:
+ *(int *)arg2 = NID_sha256;
+ return 1;
+
+ default:
+ return -2;
+ }
+}
#ifdef HMAC_TEST_PRIVATE_KEY_FORMAT
-/* A bogus private key format for test purposes. This is simply the
- * HMAC key with "HMAC PRIVATE KEY" in the headers. When enabled the
- * genpkey utility can be used to "generate" HMAC keys.
+/*
+ * A bogus private key format for test purposes. This is simply the HMAC key
+ * with "HMAC PRIVATE KEY" in the headers. When enabled the genpkey utility
+ * can be used to "generate" HMAC keys.
*/
static int old_hmac_decode(EVP_PKEY *pkey,
- const unsigned char **pder, int derlen)
- {
- ASN1_OCTET_STRING *os;
- os = ASN1_OCTET_STRING_new();
- if (!os || !ASN1_OCTET_STRING_set(os, *pder, derlen))
- return 0;
- EVP_PKEY_assign(pkey, EVP_PKEY_HMAC, os);
- return 1;
- }
+ const unsigned char **pder, int derlen)
+{
+ ASN1_OCTET_STRING *os;
+ os = ASN1_OCTET_STRING_new();
+ if (!os || !ASN1_OCTET_STRING_set(os, *pder, derlen))
+ return 0;
+ EVP_PKEY_assign(pkey, EVP_PKEY_HMAC, os);
+ return 1;
+}
static int old_hmac_encode(const EVP_PKEY *pkey, unsigned char **pder)
- {
- int inc;
- ASN1_OCTET_STRING *os = (ASN1_OCTET_STRING *)pkey->pkey.ptr;
- if (pder)
- {
- if (!*pder)
- {
- *pder = OPENSSL_malloc(os->length);
- inc = 0;
- }
- else inc = 1;
-
- memcpy(*pder, os->data, os->length);
-
- if (inc)
- *pder += os->length;
- }
-
- return os->length;
- }
+{
+ int inc;
+ ASN1_OCTET_STRING *os = (ASN1_OCTET_STRING *)pkey->pkey.ptr;
+ if (pder) {
+ if (!*pder) {
+ *pder = OPENSSL_malloc(os->length);
+ inc = 0;
+ } else
+ inc = 1;
+
+ memcpy(*pder, os->data, os->length);
+
+ if (inc)
+ *pder += os->length;
+ }
+
+ return os->length;
+}
#endif
-const EVP_PKEY_ASN1_METHOD hmac_asn1_meth =
- {
- EVP_PKEY_HMAC,
- EVP_PKEY_HMAC,
- 0,
+const EVP_PKEY_ASN1_METHOD hmac_asn1_meth = {
+ EVP_PKEY_HMAC,
+ EVP_PKEY_HMAC,
+ 0,
- "HMAC",
- "OpenSSL HMAC method",
+ "HMAC",
+ "OpenSSL HMAC method",
- 0,0,0,0,
+ 0, 0, 0, 0,
- 0,0,0,
+ 0, 0, 0,
- hmac_size,
- 0,
- 0,0,0,0,0,0,0,
+ hmac_size,
+ 0,
+ 0, 0, 0, 0, 0, 0, 0,
- hmac_key_free,
- hmac_pkey_ctrl,
+ hmac_key_free,
+ hmac_pkey_ctrl,
#ifdef HMAC_TEST_PRIVATE_KEY_FORMAT
- old_hmac_decode,
- old_hmac_encode
+ old_hmac_decode,
+ old_hmac_encode
#else
- 0,0
+ 0, 0
#endif
- };
-
+};
diff --git a/crypto/hmac/hm_pmeth.c b/crypto/hmac/hm_pmeth.c
index 0daa44511d..0ffff79cc4 100644
--- a/crypto/hmac/hm_pmeth.c
+++ b/crypto/hmac/hm_pmeth.c
@@ -1,5 +1,6 @@
-/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
- * project 2007.
+/*
+ * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
+ * 2007.
*/
/* ====================================================================
* Copyright (c) 2007 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
@@ -65,207 +66,197 @@
/* HMAC pkey context structure */
-typedef struct
- {
- const EVP_MD *md; /* MD for HMAC use */
- ASN1_OCTET_STRING ktmp; /* Temp storage for key */
- HMAC_CTX ctx;
- } HMAC_PKEY_CTX;
+typedef struct {
+ const EVP_MD *md; /* MD for HMAC use */
+ ASN1_OCTET_STRING ktmp; /* Temp storage for key */
+ HMAC_CTX ctx;
+} HMAC_PKEY_CTX;
static int pkey_hmac_init(EVP_PKEY_CTX *ctx)
- {
- HMAC_PKEY_CTX *hctx;
- hctx = OPENSSL_malloc(sizeof(HMAC_PKEY_CTX));
- if (!hctx)
- return 0;
- hctx->md = NULL;
- hctx->ktmp.data = NULL;
- hctx->ktmp.length = 0;
- hctx->ktmp.flags = 0;
- hctx->ktmp.type = V_ASN1_OCTET_STRING;
- HMAC_CTX_init(&hctx->ctx);
-
- ctx->data = hctx;
- ctx->keygen_info_count = 0;
-
- return 1;
- }
+{
+ HMAC_PKEY_CTX *hctx;
+ hctx = OPENSSL_malloc(sizeof(HMAC_PKEY_CTX));
+ if (!hctx)
+ return 0;
+ hctx->md = NULL;
+ hctx->ktmp.data = NULL;
+ hctx->ktmp.length = 0;
+ hctx->ktmp.flags = 0;
+ hctx->ktmp.type = V_ASN1_OCTET_STRING;
+ HMAC_CTX_init(&hctx->ctx);
+
+ ctx->data = hctx;
+ ctx->keygen_info_count = 0;
+
+ return 1;
+}
static int pkey_hmac_copy(EVP_PKEY_CTX *dst, EVP_PKEY_CTX *src)
- {
- HMAC_PKEY_CTX *sctx, *dctx;
- if (!pkey_hmac_init(dst))
- return 0;
- sctx = src->data;
- dctx = dst->data;
- dctx->md = sctx->md;
- HMAC_CTX_init(&dctx->ctx);
- if (!HMAC_CTX_copy(&dctx->ctx, &sctx->ctx))
- return 0;
- if (sctx->ktmp.data)
- {
- if (!ASN1_OCTET_STRING_set(&dctx->ktmp,
- sctx->ktmp.data, sctx->ktmp.length))
- return 0;
- }
- return 1;
- }
+{
+ HMAC_PKEY_CTX *sctx, *dctx;
+ if (!pkey_hmac_init(dst))
+ return 0;
+ sctx = src->data;
+ dctx = dst->data;
+ dctx->md = sctx->md;
+ HMAC_CTX_init(&dctx->ctx);
+ if (!HMAC_CTX_copy(&dctx->ctx, &sctx->ctx))
+ return 0;
+ if (sctx->ktmp.data) {
+ if (!ASN1_OCTET_STRING_set(&dctx->ktmp,
+ sctx->ktmp.data, sctx->ktmp.length))
+ return 0;
+ }
+ return 1;
+}
static void pkey_hmac_cleanup(EVP_PKEY_CTX *ctx)
- {
- HMAC_PKEY_CTX *hctx = ctx->data;
- HMAC_CTX_cleanup(&hctx->ctx);
- if (hctx->ktmp.data)
- {
- if (hctx->ktmp.length)
- OPENSSL_cleanse(hctx->ktmp.data, hctx->ktmp.length);
- OPENSSL_free(hctx->ktmp.data);
- hctx->ktmp.data = NULL;
- }
- OPENSSL_free(hctx);
- }
+{
+ HMAC_PKEY_CTX *hctx = ctx->data;
+ HMAC_CTX_cleanup(&hctx->ctx);
+ if (hctx->ktmp.data) {
+ if (hctx->ktmp.length)
+ OPENSSL_cleanse(hctx->ktmp.data, hctx->ktmp.length);
+ OPENSSL_free(hctx->ktmp.data);
+ hctx->ktmp.data = NULL;
+ }
+ OPENSSL_free(hctx);
+}
static int pkey_hmac_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
- {
- ASN1_OCTET_STRING *hkey = NULL;
- HMAC_PKEY_CTX *hctx = ctx->data;
- if (!hctx->ktmp.data)
- return 0;
- hkey = ASN1_OCTET_STRING_dup(&hctx->ktmp);
- if (!hkey)
- return 0;
- EVP_PKEY_assign(pkey, EVP_PKEY_HMAC, hkey);
-
- return 1;
- }
-
-static int int_update(EVP_MD_CTX *ctx,const void *data,size_t count)
- {
- HMAC_PKEY_CTX *hctx = ctx->pctx->data;
- if (!HMAC_Update(&hctx->ctx, data, count))
- return 0;
- return 1;
- }
+{
+ ASN1_OCTET_STRING *hkey = NULL;
+ HMAC_PKEY_CTX *hctx = ctx->data;
+ if (!hctx->ktmp.data)
+ return 0;
+ hkey = ASN1_OCTET_STRING_dup(&hctx->ktmp);
+ if (!hkey)
+ return 0;
+ EVP_PKEY_assign(pkey, EVP_PKEY_HMAC, hkey);
+
+ return 1;
+}
+
+static int int_update(EVP_MD_CTX *ctx, const void *data, size_t count)
+{
+ HMAC_PKEY_CTX *hctx = ctx->pctx->data;
+ if (!HMAC_Update(&hctx->ctx, data, count))
+ return 0;
+ return 1;
+}
static int hmac_signctx_init(EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx)
- {
- HMAC_PKEY_CTX *hctx = ctx->data;
- HMAC_CTX_set_flags(&hctx->ctx, mctx->flags & ~EVP_MD_CTX_FLAG_NO_INIT);
- EVP_MD_CTX_set_flags(mctx, EVP_MD_CTX_FLAG_NO_INIT);
- mctx->update = int_update;
- return 1;
- }
+{
+ HMAC_PKEY_CTX *hctx = ctx->data;
+ HMAC_CTX_set_flags(&hctx->ctx, mctx->flags & ~EVP_MD_CTX_FLAG_NO_INIT);
+ EVP_MD_CTX_set_flags(mctx, EVP_MD_CTX_FLAG_NO_INIT);
+ mctx->update = int_update;
+ return 1;
+}
static int hmac_signctx(EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen,
- EVP_MD_CTX *mctx)
- {
- unsigned int hlen;
- HMAC_PKEY_CTX *hctx = ctx->data;
- int l = EVP_MD_CTX_size(mctx);
-
- if (l < 0)
- return 0;
- *siglen = l;
- if (!sig)
- return 1;
-
- if (!HMAC_Final(&hctx->ctx, sig, &hlen))
- return 0;
- *siglen = (size_t)hlen;
- return 1;
- }
+ EVP_MD_CTX *mctx)
+{
+ unsigned int hlen;
+ HMAC_PKEY_CTX *hctx = ctx->data;
+ int l = EVP_MD_CTX_size(mctx);
+
+ if (l < 0)
+ return 0;
+ *siglen = l;
+ if (!sig)
+ return 1;
+
+ if (!HMAC_Final(&hctx->ctx, sig, &hlen))
+ return 0;
+ *siglen = (size_t)hlen;
+ return 1;
+}
static int pkey_hmac_ctrl(EVP_PKEY_CTX *ctx, int type, int p1, void *p2)
- {
- HMAC_PKEY_CTX *hctx = ctx->data;
- ASN1_OCTET_STRING *key;
- switch (type)
- {
-
- case EVP_PKEY_CTRL_SET_MAC_KEY:
- if ((!p2 && p1 > 0) || (p1 < -1))
- return 0;
- if (!ASN1_OCTET_STRING_set(&hctx->ktmp, p2, p1))
- return 0;
- break;
-
- case EVP_PKEY_CTRL_MD:
- hctx->md = p2;
- break;
-
- case EVP_PKEY_CTRL_DIGESTINIT:
- key = (ASN1_OCTET_STRING *)ctx->pkey->pkey.ptr;
- if (!HMAC_Init_ex(&hctx->ctx, key->data, key->length, hctx->md,
- ctx->engine))
- return 0;
- break;
-
- default:
- return -2;
-
- }
- return 1;
- }
+{
+ HMAC_PKEY_CTX *hctx = ctx->data;
+ ASN1_OCTET_STRING *key;
+ switch (type) {
+
+ case EVP_PKEY_CTRL_SET_MAC_KEY:
+ if ((!p2 && p1 > 0) || (p1 < -1))
+ return 0;
+ if (!ASN1_OCTET_STRING_set(&hctx->ktmp, p2, p1))
+ return 0;
+ break;
+
+ case EVP_PKEY_CTRL_MD:
+ hctx->md = p2;
+ break;
+
+ case EVP_PKEY_CTRL_DIGESTINIT:
+ key = (ASN1_OCTET_STRING *)ctx->pkey->pkey.ptr;
+ if (!HMAC_Init_ex(&hctx->ctx, key->data, key->length, hctx->md,
+ ctx->engine))
+ return 0;
+ break;
+
+ default:
+ return -2;
+
+ }
+ return 1;
+}
static int pkey_hmac_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_hmac_ctrl(ctx, EVP_PKEY_CTRL_SET_MAC_KEY,
- -1, p);
- }
- if (!strcmp(type, "hexkey"))
- {
- unsigned char *key;
- int r;
- long keylen;
- key = string_to_hex(value, &keylen);
- if (!key)
- return 0;
- r = pkey_hmac_ctrl(ctx, EVP_PKEY_CTRL_SET_MAC_KEY, keylen, key);
- OPENSSL_free(key);
- return r;
- }
- return -2;
- }
-
-const EVP_PKEY_METHOD hmac_pkey_meth =
- {
- EVP_PKEY_HMAC,
- 0,
- pkey_hmac_init,
- pkey_hmac_copy,
- pkey_hmac_cleanup,
-
- 0, 0,
-
- 0,
- pkey_hmac_keygen,
-
- 0, 0,
-
- 0, 0,
-
- 0,0,
-
- hmac_signctx_init,
- hmac_signctx,
-
- 0,0,
-
- 0,0,
-
- 0,0,
-
- 0,0,
-
- pkey_hmac_ctrl,
- pkey_hmac_ctrl_str
-
- };
+ const char *type, const char *value)
+{
+ if (!value) {
+ return 0;
+ }
+ if (!strcmp(type, "key")) {
+ void *p = (void *)value;
+ return pkey_hmac_ctrl(ctx, EVP_PKEY_CTRL_SET_MAC_KEY, -1, p);
+ }
+ if (!strcmp(type, "hexkey")) {
+ unsigned char *key;
+ int r;
+ long keylen;
+ key = string_to_hex(value, &keylen);
+ if (!key)
+ return 0;
+ r = pkey_hmac_ctrl(ctx, EVP_PKEY_CTRL_SET_MAC_KEY, keylen, key);
+ OPENSSL_free(key);
+ return r;
+ }
+ return -2;
+}
+
+const EVP_PKEY_METHOD hmac_pkey_meth = {
+ EVP_PKEY_HMAC,
+ 0,
+ pkey_hmac_init,
+ pkey_hmac_copy,
+ pkey_hmac_cleanup,
+
+ 0, 0,
+
+ 0,
+ pkey_hmac_keygen,
+
+ 0, 0,
+
+ 0, 0,
+
+ 0, 0,
+
+ hmac_signctx_init,
+ hmac_signctx,
+
+ 0, 0,
+
+ 0, 0,
+
+ 0, 0,
+
+ 0, 0,
+
+ pkey_hmac_ctrl,
+ pkey_hmac_ctrl_str
+};
diff --git a/crypto/hmac/hmac.c b/crypto/hmac/hmac.c
index 45335a1f7a..1fc9e2c3fa 100644
--- a/crypto/hmac/hmac.c
+++ b/crypto/hmac/hmac.c
@@ -5,21 +5,21 @@
* This package is an SSL implementation written
* by Eric Young (eay@cryptsoft.com).
* The implementation was written so as to conform with Netscapes SSL.
- *
+ *
* This library is free for commercial and non-commercial use as long as
* the following conditions are aheared to. The following conditions
* apply to all code found in this distribution, be it the RC4, RSA,
* lhash, DES, etc., code; not just the SSL code. The SSL documentation
* included with this distribution is covered by the same copyright terms
* except that the holder is Tim Hudson (tjh@cryptsoft.com).
- *
+ *
* Copyright remains Eric Young's, and as such any Copyright notices in
* the code are not to be removed.
* If this package is used in a product, Eric Young should be given attribution
* as the author of the parts of the library used.
* This can be in the form of a textual message at program startup or
* in documentation (online or textual) provided with the package.
- *
+ *
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
@@ -34,10 +34,10 @@
* Eric Young (eay@cryptsoft.com)"
* The word 'cryptographic' can be left out if the rouines from the library
* being used are not cryptographic related :-).
- * 4. If you include any Windows specific code (or a derivative thereof) from
+ * 4. If you include any Windows specific code (or a derivative thereof) from
* the apps directory (application code) you must include an acknowledgement:
* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
- *
+ *
* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
@@ -49,7 +49,7 @@
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
- *
+ *
* The licence and distribution terms for any publically available version or
* derivative of this code cannot be changed. i.e. this code cannot simply be
* copied and put under another distribution licence
@@ -62,202 +62,192 @@
#include <openssl/hmac.h>
#ifdef OPENSSL_FIPS
-#include <openssl/fips.h>
+# include <openssl/fips.h>
#endif
int HMAC_Init_ex(HMAC_CTX *ctx, const void *key, int len,
- const EVP_MD *md, ENGINE *impl)
- {
- int i,j,reset=0;
- unsigned char pad[HMAC_MAX_MD_CBLOCK];
+ const EVP_MD *md, ENGINE *impl)
+{
+ int i, j, reset = 0;
+ unsigned char pad[HMAC_MAX_MD_CBLOCK];
#ifdef OPENSSL_FIPS
- /* If FIPS mode switch to approved implementation if possible */
- if (FIPS_mode())
- {
- const EVP_MD *fipsmd;
- if (md)
- {
- fipsmd = FIPS_get_digestbynid(EVP_MD_type(md));
- if (fipsmd)
- md = fipsmd;
- }
- }
-
- if (FIPS_mode())
- {
- /* If we have an ENGINE need to allow non FIPS */
- if ((impl || ctx->i_ctx.engine)
- && !(ctx->i_ctx.flags & EVP_CIPH_FLAG_NON_FIPS_ALLOW))
- {
- EVPerr(EVP_F_HMAC_INIT_EX, EVP_R_DISABLED_FOR_FIPS);
- return 0;
- }
- /* Other algorithm blocking will be done in FIPS_cmac_init,
- * via FIPS_hmac_init_ex().
- */
- if (!impl && !ctx->i_ctx.engine)
- return FIPS_hmac_init_ex(ctx, key, len, md, NULL);
- }
+ /* If FIPS mode switch to approved implementation if possible */
+ if (FIPS_mode()) {
+ const EVP_MD *fipsmd;
+ if (md) {
+ fipsmd = FIPS_get_digestbynid(EVP_MD_type(md));
+ if (fipsmd)
+ md = fipsmd;
+ }
+ }
+
+ if (FIPS_mode()) {
+ /* If we have an ENGINE need to allow non FIPS */
+ if ((impl || ctx->i_ctx.engine)
+ && !(ctx->i_ctx.flags & EVP_CIPH_FLAG_NON_FIPS_ALLOW)) {
+ EVPerr(EVP_F_HMAC_INIT_EX, EVP_R_DISABLED_FOR_FIPS);
+ return 0;
+ }
+ /*
+ * Other algorithm blocking will be done in FIPS_cmac_init, via
+ * FIPS_hmac_init_ex().
+ */
+ if (!impl && !ctx->i_ctx.engine)
+ return FIPS_hmac_init_ex(ctx, key, len, md, NULL);
+ }
#endif
- if (md != NULL)
- {
- reset=1;
- ctx->md=md;
- }
- else
- md=ctx->md;
-
- if (key != NULL)
- {
- reset=1;
- j=EVP_MD_block_size(md);
- OPENSSL_assert(j <= (int)sizeof(ctx->key));
- if (j < len)
- {
- if (!EVP_DigestInit_ex(&ctx->md_ctx,md, impl))
- goto err;
- if (!EVP_DigestUpdate(&ctx->md_ctx,key,len))
- goto err;
- if (!EVP_DigestFinal_ex(&(ctx->md_ctx),ctx->key,
- &ctx->key_length))
- goto err;
- }
- else
- {
- OPENSSL_assert(len>=0 && len<=(int)sizeof(ctx->key));
- memcpy(ctx->key,key,len);
- ctx->key_length=len;
- }
- if(ctx->key_length != HMAC_MAX_MD_CBLOCK)
- memset(&ctx->key[ctx->key_length], 0,
- HMAC_MAX_MD_CBLOCK - ctx->key_length);
- }
-
- if (reset)
- {
- for (i=0; i<HMAC_MAX_MD_CBLOCK; i++)
- pad[i]=0x36^ctx->key[i];
- if (!EVP_DigestInit_ex(&ctx->i_ctx,md, impl))
- goto err;
- if (!EVP_DigestUpdate(&ctx->i_ctx,pad,EVP_MD_block_size(md)))
- goto err;
-
- for (i=0; i<HMAC_MAX_MD_CBLOCK; i++)
- pad[i]=0x5c^ctx->key[i];
- if (!EVP_DigestInit_ex(&ctx->o_ctx,md, impl))
- goto err;
- if (!EVP_DigestUpdate(&ctx->o_ctx,pad,EVP_MD_block_size(md)))
- goto err;
- }
- if (!EVP_MD_CTX_copy_ex(&ctx->md_ctx,&ctx->i_ctx))
- goto err;
- return 1;
- err:
- return 0;
- }
+ if (md != NULL) {
+ reset = 1;
+ ctx->md = md;
+ } else
+ md = ctx->md;
+
+ if (key != NULL) {
+ reset = 1;
+ j = EVP_MD_block_size(md);
+ OPENSSL_assert(j <= (int)sizeof(ctx->key));
+ if (j < len) {
+ if (!EVP_DigestInit_ex(&ctx->md_ctx, md, impl))
+ goto err;
+ if (!EVP_DigestUpdate(&ctx->md_ctx, key, len))
+ goto err;
+ if (!EVP_DigestFinal_ex(&(ctx->md_ctx), ctx->key,
+ &ctx->key_length))
+ goto err;
+ } else {
+ OPENSSL_assert(len >= 0 && len <= (int)sizeof(ctx->key));
+ memcpy(ctx->key, key, len);
+ ctx->key_length = len;
+ }
+ if (ctx->key_length != HMAC_MAX_MD_CBLOCK)
+ memset(&ctx->key[ctx->key_length], 0,
+ HMAC_MAX_MD_CBLOCK - ctx->key_length);
+ }
+
+ if (reset) {
+ for (i = 0; i < HMAC_MAX_MD_CBLOCK; i++)
+ pad[i] = 0x36 ^ ctx->key[i];
+ if (!EVP_DigestInit_ex(&ctx->i_ctx, md, impl))
+ goto err;
+ if (!EVP_DigestUpdate(&ctx->i_ctx, pad, EVP_MD_block_size(md)))
+ goto err;
+
+ for (i = 0; i < HMAC_MAX_MD_CBLOCK; i++)
+ pad[i] = 0x5c ^ ctx->key[i];
+ if (!EVP_DigestInit_ex(&ctx->o_ctx, md, impl))
+ goto err;
+ if (!EVP_DigestUpdate(&ctx->o_ctx, pad, EVP_MD_block_size(md)))
+ goto err;
+ }
+ if (!EVP_MD_CTX_copy_ex(&ctx->md_ctx, &ctx->i_ctx))
+ goto err;
+ return 1;
+ err:
+ return 0;
+}
int HMAC_Init(HMAC_CTX *ctx, const void *key, int len, const EVP_MD *md)
- {
- if(key && md)
- HMAC_CTX_init(ctx);
- return HMAC_Init_ex(ctx,key,len,md, NULL);
- }
+{
+ if (key && md)
+ HMAC_CTX_init(ctx);
+ return HMAC_Init_ex(ctx, key, len, md, NULL);
+}
int HMAC_Update(HMAC_CTX *ctx, const unsigned char *data, size_t len)
- {
+{
#ifdef OPENSSL_FIPS
- if (FIPS_mode() && !ctx->i_ctx.engine)
- return FIPS_hmac_update(ctx, data, len);
+ if (FIPS_mode() && !ctx->i_ctx.engine)
+ return FIPS_hmac_update(ctx, data, len);
#endif
- return EVP_DigestUpdate(&ctx->md_ctx,data,len);
- }
+ return EVP_DigestUpdate(&ctx->md_ctx, data, len);
+}
int HMAC_Final(HMAC_CTX *ctx, unsigned char *md, unsigned int *len)
- {
- unsigned int i;
- unsigned char buf[EVP_MAX_MD_SIZE];
+{
+ unsigned int i;
+ unsigned char buf[EVP_MAX_MD_SIZE];
#ifdef OPENSSL_FIPS
- if (FIPS_mode() && !ctx->i_ctx.engine)
- return FIPS_hmac_final(ctx, md, len);
+ if (FIPS_mode() && !ctx->i_ctx.engine)
+ return FIPS_hmac_final(ctx, md, len);
#endif
- if (!EVP_DigestFinal_ex(&ctx->md_ctx,buf,&i))
- goto err;
- if (!EVP_MD_CTX_copy_ex(&ctx->md_ctx,&ctx->o_ctx))
- goto err;
- if (!EVP_DigestUpdate(&ctx->md_ctx,buf,i))
- goto err;
- if (!EVP_DigestFinal_ex(&ctx->md_ctx,md,len))
- goto err;
- return 1;
- err:
- return 0;
- }
+ if (!EVP_DigestFinal_ex(&ctx->md_ctx, buf, &i))
+ goto err;
+ if (!EVP_MD_CTX_copy_ex(&ctx->md_ctx, &ctx->o_ctx))
+ goto err;
+ if (!EVP_DigestUpdate(&ctx->md_ctx, buf, i))
+ goto err;
+ if (!EVP_DigestFinal_ex(&ctx->md_ctx, md, len))
+ goto err;
+ return 1;
+ err:
+ return 0;
+}
void HMAC_CTX_init(HMAC_CTX *ctx)
- {
- EVP_MD_CTX_init(&ctx->i_ctx);
- EVP_MD_CTX_init(&ctx->o_ctx);
- EVP_MD_CTX_init(&ctx->md_ctx);
- }
+{
+ EVP_MD_CTX_init(&ctx->i_ctx);
+ EVP_MD_CTX_init(&ctx->o_ctx);
+ EVP_MD_CTX_init(&ctx->md_ctx);
+}
int HMAC_CTX_copy(HMAC_CTX *dctx, HMAC_CTX *sctx)
- {
- if (!EVP_MD_CTX_copy(&dctx->i_ctx, &sctx->i_ctx))
- goto err;
- if (!EVP_MD_CTX_copy(&dctx->o_ctx, &sctx->o_ctx))
- goto err;
- if (!EVP_MD_CTX_copy(&dctx->md_ctx, &sctx->md_ctx))
- goto err;
- memcpy(dctx->key, sctx->key, HMAC_MAX_MD_CBLOCK);
- dctx->key_length = sctx->key_length;
- dctx->md = sctx->md;
- return 1;
- err:
- return 0;
- }
+{
+ if (!EVP_MD_CTX_copy(&dctx->i_ctx, &sctx->i_ctx))
+ goto err;
+ if (!EVP_MD_CTX_copy(&dctx->o_ctx, &sctx->o_ctx))
+ goto err;
+ if (!EVP_MD_CTX_copy(&dctx->md_ctx, &sctx->md_ctx))
+ goto err;
+ memcpy(dctx->key, sctx->key, HMAC_MAX_MD_CBLOCK);
+ dctx->key_length = sctx->key_length;
+ dctx->md = sctx->md;
+ return 1;
+ err:
+ return 0;
+}
void HMAC_CTX_cleanup(HMAC_CTX *ctx)
- {
+{
#ifdef OPENSSL_FIPS
- if (FIPS_mode() && !ctx->i_ctx.engine)
- {
- FIPS_hmac_ctx_cleanup(ctx);
- return;
- }
+ if (FIPS_mode() && !ctx->i_ctx.engine) {
+ FIPS_hmac_ctx_cleanup(ctx);
+ return;
+ }
#endif
- EVP_MD_CTX_cleanup(&ctx->i_ctx);
- EVP_MD_CTX_cleanup(&ctx->o_ctx);
- EVP_MD_CTX_cleanup(&ctx->md_ctx);
- memset(ctx,0,sizeof *ctx);
- }
+ EVP_MD_CTX_cleanup(&ctx->i_ctx);
+ EVP_MD_CTX_cleanup(&ctx->o_ctx);
+ EVP_MD_CTX_cleanup(&ctx->md_ctx);
+ memset(ctx, 0, sizeof *ctx);
+}
unsigned char *HMAC(const EVP_MD *evp_md, const void *key, int key_len,
- const unsigned char *d, size_t n, unsigned char *md,
- unsigned int *md_len)
- {
- HMAC_CTX c;
- static unsigned char m[EVP_MAX_MD_SIZE];
-
- if (md == NULL) md=m;
- HMAC_CTX_init(&c);
- if (!HMAC_Init(&c,key,key_len,evp_md))
- goto err;
- if (!HMAC_Update(&c,d,n))
- goto err;
- if (!HMAC_Final(&c,md,md_len))
- goto err;
- HMAC_CTX_cleanup(&c);
- return md;
- err:
- return NULL;
- }
+ const unsigned char *d, size_t n, unsigned char *md,
+ unsigned int *md_len)
+{
+ HMAC_CTX c;
+ static unsigned char m[EVP_MAX_MD_SIZE];
+
+ if (md == NULL)
+ md = m;
+ HMAC_CTX_init(&c);
+ if (!HMAC_Init(&c, key, key_len, evp_md))
+ goto err;
+ if (!HMAC_Update(&c, d, n))
+ goto err;
+ if (!HMAC_Final(&c, md, md_len))
+ goto err;
+ HMAC_CTX_cleanup(&c);
+ return md;
+ err:
+ return NULL;
+}
void HMAC_CTX_set_flags(HMAC_CTX *ctx, unsigned long flags)
- {
- EVP_MD_CTX_set_flags(&ctx->i_ctx, flags);
- EVP_MD_CTX_set_flags(&ctx->o_ctx, flags);
- EVP_MD_CTX_set_flags(&ctx->md_ctx, flags);
- }
+{
+ EVP_MD_CTX_set_flags(&ctx->i_ctx, flags);
+ EVP_MD_CTX_set_flags(&ctx->o_ctx, flags);
+ EVP_MD_CTX_set_flags(&ctx->md_ctx, flags);
+}
diff --git a/crypto/hmac/hmac.h b/crypto/hmac/hmac.h
index 6322e54592..b8b55cda7d 100644
--- a/crypto/hmac/hmac.h
+++ b/crypto/hmac/hmac.h
@@ -5,21 +5,21 @@
* This package is an SSL implementation written
* by Eric Young (eay@cryptsoft.com).
* The implementation was written so as to conform with Netscapes SSL.
- *
+ *
* This library is free for commercial and non-commercial use as long as
* the following conditions are aheared to. The following conditions
* apply to all code found in this distribution, be it the RC4, RSA,
* lhash, DES, etc., code; not just the SSL code. The SSL documentation
* included with this distribution is covered by the same copyright terms
* except that the holder is Tim Hudson (tjh@cryptsoft.com).
- *
+ *
* Copyright remains Eric Young's, and as such any Copyright notices in
* the code are not to be removed.
* If this package is used in a product, Eric Young should be given attribution
* as the author of the parts of the library used.
* This can be in the form of a textual message at program startup or
* in documentation (online or textual) provided with the package.
- *
+ *
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
@@ -34,10 +34,10 @@
* Eric Young (eay@cryptsoft.com)"
* The word 'cryptographic' can be left out if the rouines from the library
* being used are not cryptographic related :-).
- * 4. If you include any Windows specific code (or a derivative thereof) from
+ * 4. If you include any Windows specific code (or a derivative thereof) from
* the apps directory (application code) you must include an acknowledgement:
* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
- *
+ *
* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
@@ -49,58 +49,55 @@
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
- *
+ *
* The licence and distribution terms for any publically available version or
* derivative of this code cannot be changed. i.e. this code cannot simply be
* copied and put under another distribution licence
* [including the GNU Public Licence.]
*/
#ifndef HEADER_HMAC_H
-#define HEADER_HMAC_H
+# define HEADER_HMAC_H
-#include <openssl/opensslconf.h>
+# include <openssl/opensslconf.h>
-#ifdef OPENSSL_NO_HMAC
-#error HMAC is disabled.
-#endif
+# ifdef OPENSSL_NO_HMAC
+# error HMAC is disabled.
+# endif
-#include <openssl/evp.h>
+# include <openssl/evp.h>
-#define HMAC_MAX_MD_CBLOCK 128 /* largest known is SHA512 */
+# define HMAC_MAX_MD_CBLOCK 128/* largest known is SHA512 */
#ifdef __cplusplus
extern "C" {
#endif
-typedef struct hmac_ctx_st
- {
- const EVP_MD *md;
- EVP_MD_CTX md_ctx;
- EVP_MD_CTX i_ctx;
- EVP_MD_CTX o_ctx;
- unsigned int key_length;
- unsigned char key[HMAC_MAX_MD_CBLOCK];
- } HMAC_CTX;
-
-#define HMAC_size(e) (EVP_MD_size((e)->md))
+typedef struct hmac_ctx_st {
+ const EVP_MD *md;
+ EVP_MD_CTX md_ctx;
+ EVP_MD