--- /dev/null
+/*
+ * Copyright (C) 2008-2016 Free Software Foundation, Inc.
+ * Copyright (C) 2016 Red Hat, Inc.
+ *
+ * Author: Nikos Mavrogiannopoulos
+ *
+ * This file is part of GNUTLS.
+ *
+ * The GNUTLS library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>
+ *
+ */
+
+/* This file provides the backend hash/mac implementation for
+ * aarch64 hardware.
+ */
+
+#include "gnutls_int.h"
+#include <hash_int.h>
+#include "errors.h"
+#include <nettle/sha.h>
+#include <nettle/hmac.h>
+#include <nettle/macros.h>
+#include <sha-aarch64.h>
+#include <algorithms.h>
+
+#ifdef HAVE_LIBNETTLE
+
+typedef void (*update_func) (void *, size_t, const uint8_t *);
+typedef void (*digest_func) (void *, size_t, uint8_t *);
+typedef void (*set_key_func) (void *, size_t, const uint8_t *);
+
+struct aarch64_hmac_ctx {
+ union {
+ struct hmac_sha1_ctx sha1;
+ struct hmac_sha224_ctx sha224;
+ struct hmac_sha256_ctx sha256;
+ struct hmac_sha384_ctx sha384;
+ struct hmac_sha512_ctx sha512;
+ } ctx;
+
+ void *ctx_ptr;
+ gnutls_mac_algorithm_t algo;
+ size_t length;
+ update_func update;
+ digest_func digest;
+ set_key_func setkey;
+};
+
+static void
+aarch64_hmac_sha1_set_key(struct hmac_sha1_ctx *ctx,
+ size_t key_length, const uint8_t * key)
+{
+ HMAC_SET_KEY(ctx, &aarch64_sha1, key_length, key);
+}
+
+static void
+aarch64_hmac_sha1_update(struct hmac_sha1_ctx *ctx,
+ size_t length, const uint8_t * data)
+{
+ aarch64_sha1_update(&ctx->state, length, data);
+}
+
+static void
+aarch64_hmac_sha1_digest(struct hmac_sha1_ctx *ctx,
+ size_t length, uint8_t * digest)
+{
+ HMAC_DIGEST(ctx, &aarch64_sha1, length, digest);
+}
+
+static void
+aarch64_hmac_sha256_set_key(struct hmac_sha256_ctx *ctx,
+ size_t key_length, const uint8_t * key)
+{
+ HMAC_SET_KEY(ctx, &aarch64_sha256, key_length, key);
+}
+
+static void
+aarch64_hmac_sha256_update(struct hmac_sha256_ctx *ctx,
+ size_t length, const uint8_t * data)
+{
+ aarch64_sha256_update(&ctx->state, length, data);
+}
+
+static void
+aarch64_hmac_sha256_digest(struct hmac_sha256_ctx *ctx,
+ size_t length, uint8_t * digest)
+{
+ HMAC_DIGEST(ctx, &aarch64_sha256, length, digest);
+}
+
+static void
+aarch64_hmac_sha224_set_key(struct hmac_sha224_ctx *ctx,
+ size_t key_length, const uint8_t * key)
+{
+ HMAC_SET_KEY(ctx, &aarch64_sha224, key_length, key);
+}
+
+static void
+aarch64_hmac_sha224_digest(struct hmac_sha224_ctx *ctx,
+ size_t length, uint8_t * digest)
+{
+ HMAC_DIGEST(ctx, &aarch64_sha224, length, digest);
+}
+
+static void
+aarch64_hmac_sha384_set_key(struct hmac_sha384_ctx *ctx,
+ size_t key_length, const uint8_t * key)
+{
+ HMAC_SET_KEY(ctx, &aarch64_sha384, key_length, key);
+}
+
+static void
+aarch64_hmac_sha384_digest(struct hmac_sha384_ctx *ctx,
+ size_t length, uint8_t * digest)
+{
+ HMAC_DIGEST(ctx, &aarch64_sha384, length, digest);
+}
+
+static void
+aarch64_hmac_sha512_set_key(struct hmac_sha512_ctx *ctx,
+ size_t key_length, const uint8_t * key)
+{
+ HMAC_SET_KEY(ctx, &aarch64_sha512, key_length, key);
+}
+
+static void
+aarch64_hmac_sha512_update(struct hmac_sha512_ctx *ctx,
+ size_t length, const uint8_t * data)
+{
+ aarch64_sha512_update(&ctx->state, length, data);
+}
+
+static void
+aarch64_hmac_sha512_digest(struct hmac_sha512_ctx *ctx,
+ size_t length, uint8_t * digest)
+{
+ HMAC_DIGEST(ctx, &aarch64_sha512, length, digest);
+}
+
+static int
+_hmac_ctx_init(gnutls_mac_algorithm_t algo, struct aarch64_hmac_ctx *ctx)
+{
+ switch (algo) {
+ case GNUTLS_MAC_SHA1:
+ ctx->update = (update_func) aarch64_hmac_sha1_update;
+ ctx->digest = (digest_func) aarch64_hmac_sha1_digest;
+ ctx->setkey = (set_key_func) aarch64_hmac_sha1_set_key;
+ ctx->ctx_ptr = &ctx->ctx.sha1;
+ ctx->length = SHA1_DIGEST_SIZE;
+ break;
+ case GNUTLS_MAC_SHA224:
+ ctx->update = (update_func) aarch64_hmac_sha256_update;
+ ctx->digest = (digest_func) aarch64_hmac_sha224_digest;
+ ctx->setkey = (set_key_func) aarch64_hmac_sha224_set_key;
+ ctx->ctx_ptr = &ctx->ctx.sha224;
+ ctx->length = SHA224_DIGEST_SIZE;
+ break;
+ case GNUTLS_MAC_SHA256:
+ ctx->update = (update_func) aarch64_hmac_sha256_update;
+ ctx->digest = (digest_func) aarch64_hmac_sha256_digest;
+ ctx->setkey = (set_key_func) aarch64_hmac_sha256_set_key;
+ ctx->ctx_ptr = &ctx->ctx.sha256;
+ ctx->length = SHA256_DIGEST_SIZE;
+ break;
+ case GNUTLS_MAC_SHA384:
+ ctx->update = (update_func) aarch64_hmac_sha512_update;
+ ctx->digest = (digest_func) aarch64_hmac_sha384_digest;
+ ctx->setkey = (set_key_func) aarch64_hmac_sha384_set_key;
+ ctx->ctx_ptr = &ctx->ctx.sha384;
+ ctx->length = SHA384_DIGEST_SIZE;
+ break;
+ case GNUTLS_MAC_SHA512:
+ ctx->update = (update_func) aarch64_hmac_sha512_update;
+ ctx->digest = (digest_func) aarch64_hmac_sha512_digest;
+ ctx->setkey = (set_key_func) aarch64_hmac_sha512_set_key;
+ ctx->ctx_ptr = &ctx->ctx.sha512;
+ ctx->length = SHA512_DIGEST_SIZE;
+ break;
+ default:
+ gnutls_assert();
+ return GNUTLS_E_INVALID_REQUEST;
+ }
+
+ return 0;
+}
+
+
+static int wrap_aarch64_hmac_init(gnutls_mac_algorithm_t algo, void **_ctx)
+{
+ struct aarch64_hmac_ctx *ctx;
+ int ret;
+
+ ctx = gnutls_calloc(1, sizeof(struct aarch64_hmac_ctx));
+ if (ctx == NULL) {
+ gnutls_assert();
+ return GNUTLS_E_MEMORY_ERROR;
+ }
+
+ ctx->algo = algo;
+
+ ret = _hmac_ctx_init(algo, ctx);
+ if (ret < 0)
+ return gnutls_assert_val(ret);
+
+ *_ctx = ctx;
+
+ return 0;
+}
+
+static int
+wrap_aarch64_hmac_setkey(void *_ctx, const void *key, size_t keylen)
+{
+ struct aarch64_hmac_ctx *ctx = _ctx;
+
+ ctx->setkey(ctx->ctx_ptr, keylen, key);
+
+ return GNUTLS_E_SUCCESS;
+}
+
+static int
+wrap_aarch64_hmac_update(void *_ctx, const void *text, size_t textsize)
+{
+ struct aarch64_hmac_ctx *ctx = _ctx;
+
+ ctx->update(ctx->ctx_ptr, textsize, text);
+
+ return GNUTLS_E_SUCCESS;
+}
+
+static int
+wrap_aarch64_hmac_output(void *src_ctx, void *digest, size_t digestsize)
+{
+ struct aarch64_hmac_ctx *ctx;
+ ctx = src_ctx;
+
+ if (digestsize < ctx->length) {
+ gnutls_assert();
+ return GNUTLS_E_SHORT_MEMORY_BUFFER;
+ }
+
+ ctx->digest(ctx->ctx_ptr, digestsize, digest);
+
+ return 0;
+}
+
+static void wrap_aarch64_hmac_deinit(void *hd)
+{
+ gnutls_free(hd);
+}
+
+static int wrap_aarch64_hmac_fast(gnutls_mac_algorithm_t algo,
+ const void *nonce, size_t nonce_size,
+ const void *key, size_t key_size,
+ const void *text, size_t text_size,
+ void *digest)
+{
+ struct aarch64_hmac_ctx ctx;
+ int ret;
+
+ ret = _hmac_ctx_init(algo, &ctx);
+ if (ret < 0)
+ return gnutls_assert_val(ret);
+
+ ctx.setkey(&ctx, key_size, key);
+ ctx.update(&ctx, text_size, text);
+ ctx.digest(&ctx, ctx.length, digest);
+
+ zeroize_temp_key(&ctx, sizeof(ctx));
+
+ return 0;
+}
+
+const gnutls_crypto_mac_st _gnutls_hmac_sha_aarch64 = {
+ .init = wrap_aarch64_hmac_init,
+ .setkey = wrap_aarch64_hmac_setkey,
+ .setnonce = NULL,
+ .hash = wrap_aarch64_hmac_update,
+ .output = wrap_aarch64_hmac_output,
+ .deinit = wrap_aarch64_hmac_deinit,
+ .fast = wrap_aarch64_hmac_fast,
+};
+
+#endif /* HAVE_LIBNETTLE */
projects / thirdparty / gnutls.git / commitdiff
