/var/runtime/node_modules/@aws-sdk/node_modules/aws-crt/source
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/** * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved. * SPDX-License-Identifier: Apache-2.0. */#include "crypto.h" #include <aws/cal/hash.h>#include <aws/cal/hmac.h> /******************************************************************************* * Hash ******************************************************************************/ /** Finalizer for an hash external */static void s_hash_finalize(napi_env env, void *finalize_data, void *finalize_hint) { (void)env; (void)finalize_hint; struct aws_hash *hash = finalize_data; AWS_ASSERT(hash); aws_hash_destroy(hash);} napi_value aws_napi_hash_md5_new(napi_env env, napi_callback_info info) { (void)info; struct aws_allocator *allocator = aws_napi_get_allocator(); struct aws_hash *hash = aws_md5_new(allocator); if (!hash) { return NULL; } napi_value node_external = NULL; if (napi_create_external(env, hash, s_hash_finalize, NULL, &node_external)) { napi_throw_error(env, NULL, "Failed create n-api external"); } return node_external;} napi_value aws_napi_hash_sha1_new(napi_env env, napi_callback_info info) { (void)info; struct aws_allocator *allocator = aws_napi_get_allocator(); struct aws_hash *hash = aws_sha1_new(allocator); if (!hash) { return NULL; } napi_value node_external = NULL; if (napi_create_external(env, hash, s_hash_finalize, NULL, &node_external)) { napi_throw_error(env, NULL, "Failed create n-api external"); } return node_external;} napi_value aws_napi_hash_sha256_new(napi_env env, napi_callback_info info) { (void)info; struct aws_allocator *allocator = aws_napi_get_allocator(); struct aws_hash *hash = aws_sha256_new(allocator); if (!hash) { return NULL; } napi_value node_external = NULL; if (napi_create_external(env, hash, s_hash_finalize, NULL, &node_external)) { napi_throw_error(env, NULL, "Failed create n-api external"); } return node_external;} napi_value aws_napi_hash_update(napi_env env, napi_callback_info info) { napi_value node_args[2]; size_t num_args = AWS_ARRAY_SIZE(node_args); if (napi_get_cb_info(env, info, &num_args, node_args, NULL, NULL)) { napi_throw_error(env, NULL, "Failed to retrieve callback information"); return NULL; } if (num_args != AWS_ARRAY_SIZE(node_args)) { napi_throw_error(env, NULL, "hash_update needs exactly 2 arguments"); return NULL; } struct aws_hash *hash = NULL; if (napi_get_value_external(env, node_args[0], (void **)&hash)) { napi_throw_error(env, NULL, "Failed to extract hash from first argument"); return NULL; } struct aws_byte_buf to_hash; if (aws_byte_buf_init_from_napi(&to_hash, env, node_args[1])) { napi_throw_type_error(env, NULL, "to_hash argument must be a string or array"); return NULL; } struct aws_byte_cursor to_hash_cur = aws_byte_cursor_from_buf(&to_hash); if (aws_hash_update(hash, &to_hash_cur)) { aws_napi_throw_last_error(env); } aws_byte_buf_clean_up(&to_hash); return NULL;} napi_value aws_napi_hash_digest(napi_env env, napi_callback_info info) { napi_value node_args[2]; size_t num_args = AWS_ARRAY_SIZE(node_args); if (napi_get_cb_info(env, info, &num_args, node_args, NULL, NULL)) { napi_throw_error(env, NULL, "Failed to retrieve callback information"); return NULL; } if (num_args != AWS_ARRAY_SIZE(node_args)) { napi_throw_error(env, NULL, "hash_digest needs exactly 2 arguments"); return NULL; } struct aws_hash *hash = NULL; if (napi_get_value_external(env, node_args[0], (void **)&hash)) { napi_throw_error(env, NULL, "Failed to extract hash from first argument"); return NULL; } size_t digest_size = hash->digest_size; if (!aws_napi_is_null_or_undefined(env, node_args[1])) { uint32_t truncate_to = 0; if (napi_get_value_uint32(env, node_args[1], &truncate_to)) { napi_throw_type_error(env, NULL, "truncate_to argument must be undefined or a positive number"); return NULL; } if (digest_size > truncate_to) { digest_size = truncate_to; } } napi_value arraybuffer; void *data = NULL; if (napi_create_arraybuffer(env, digest_size, &data, &arraybuffer)) { napi_throw_error(env, NULL, "Failed to create output arraybuffer"); return NULL; } struct aws_byte_buf out_buf = aws_byte_buf_from_empty_array(data, digest_size); if (aws_hash_finalize(hash, &out_buf, digest_size)) { aws_napi_throw_last_error(env); return NULL; } napi_value dataview; if (napi_create_dataview(env, digest_size, arraybuffer, 0, &dataview)) { napi_throw_error(env, NULL, "Failed to create output dataview"); return NULL; } return dataview;} napi_value aws_napi_hash_md5_compute(napi_env env, napi_callback_info info) { napi_value node_args[2]; size_t num_args = AWS_ARRAY_SIZE(node_args); if (napi_get_cb_info(env, info, &num_args, node_args, NULL, NULL)) { napi_throw_error(env, NULL, "Failed to retrieve callback information"); return NULL; } if (num_args != AWS_ARRAY_SIZE(node_args)) { napi_throw_error(env, NULL, "hash_md5_compute needs exactly 2 arguments"); return NULL; } struct aws_byte_buf to_hash; if (aws_byte_buf_init_from_napi(&to_hash, env, node_args[0])) { napi_throw_type_error(env, NULL, "to_hash argument must be a string or array"); return NULL; } size_t digest_size = AWS_MD5_LEN; if (!aws_napi_is_null_or_undefined(env, node_args[1])) { uint32_t truncate_to = 0; if (napi_get_value_uint32(env, node_args[1], &truncate_to)) { napi_throw_type_error(env, NULL, "truncate_to argument must be undefined or a positive number"); return NULL; } if (digest_size > truncate_to) { digest_size = truncate_to; } } napi_value arraybuffer; void *data = NULL; if (napi_create_arraybuffer(env, digest_size, &data, &arraybuffer)) { napi_throw_error(env, NULL, "Failed to create output arraybuffer"); return NULL; } struct aws_byte_cursor to_hash_cur = aws_byte_cursor_from_buf(&to_hash); struct aws_byte_buf out_buf = aws_byte_buf_from_empty_array(data, digest_size); if (aws_md5_compute(aws_napi_get_allocator(), &to_hash_cur, &out_buf, digest_size)) { aws_napi_throw_last_error(env); } napi_value dataview; if (napi_create_dataview(env, digest_size, arraybuffer, 0, &dataview)) { napi_throw_error(env, NULL, "Failed to create output dataview"); return NULL; } aws_byte_buf_clean_up(&to_hash); return dataview;} napi_value aws_napi_hash_sha256_compute(napi_env env, napi_callback_info info) { napi_value node_args[2]; size_t num_args = AWS_ARRAY_SIZE(node_args); if (napi_get_cb_info(env, info, &num_args, node_args, NULL, NULL)) { napi_throw_error(env, NULL, "Failed to retrieve callback information"); return NULL; } if (num_args != AWS_ARRAY_SIZE(node_args)) { napi_throw_error(env, NULL, "hash_sha256_compute needs exactly 2 arguments"); return NULL; } struct aws_byte_buf to_hash; if (aws_byte_buf_init_from_napi(&to_hash, env, node_args[0])) { napi_throw_type_error(env, NULL, "to_hash argument must be a string or array"); return NULL; } size_t digest_size = AWS_SHA256_LEN; if (!aws_napi_is_null_or_undefined(env, node_args[1])) { uint32_t truncate_to = 0; if (napi_get_value_uint32(env, node_args[1], &truncate_to)) { napi_throw_type_error(env, NULL, "truncate_to argument must be undefined or a positive number"); return NULL; } if (digest_size > truncate_to) { digest_size = truncate_to; } } napi_value arraybuffer; void *data = NULL; if (napi_create_arraybuffer(env, digest_size, &data, &arraybuffer)) { napi_throw_error(env, NULL, "Failed to create output arraybuffer"); return NULL; } struct aws_byte_cursor to_hash_cur = aws_byte_cursor_from_buf(&to_hash); struct aws_byte_buf out_buf = aws_byte_buf_from_empty_array(data, digest_size); if (aws_sha256_compute(aws_napi_get_allocator(), &to_hash_cur, &out_buf, digest_size)) { aws_napi_throw_last_error(env); } napi_value dataview; if (napi_create_dataview(env, digest_size, arraybuffer, 0, &dataview)) { napi_throw_error(env, NULL, "Failed to create output dataview"); return NULL; } aws_byte_buf_clean_up(&to_hash); return dataview;} napi_value aws_napi_hash_sha1_compute(napi_env env, napi_callback_info info) { napi_value node_args[2]; size_t num_args = AWS_ARRAY_SIZE(node_args); if (napi_get_cb_info(env, info, &num_args, node_args, NULL, NULL)) { napi_throw_error(env, NULL, "Failed to retreive callback information"); return NULL; } if (num_args != AWS_ARRAY_SIZE(node_args)) { napi_throw_error(env, NULL, "hash_sha1_compute needs exactly 2 arguments"); return NULL; } struct aws_byte_buf to_hash; if (aws_byte_buf_init_from_napi(&to_hash, env, node_args[0])) { napi_throw_type_error(env, NULL, "to_hash argument must be a string or array"); return NULL; } size_t digest_size = AWS_SHA1_LEN; if (!aws_napi_is_null_or_undefined(env, node_args[1])) { uint32_t truncate_to = 0; if (napi_get_value_uint32(env, node_args[1], &truncate_to)) { napi_throw_type_error(env, NULL, "truncate_to argument must be undefined or a positive number"); return NULL; } if (digest_size > truncate_to) { digest_size = truncate_to; } } napi_value arraybuffer; void *data = NULL; if (napi_create_arraybuffer(env, digest_size, &data, &arraybuffer)) { napi_throw_error(env, NULL, "Failed to create output arraybuffer"); return NULL; } struct aws_byte_cursor to_hash_cur = aws_byte_cursor_from_buf(&to_hash); struct aws_byte_buf out_buf = aws_byte_buf_from_empty_array(data, digest_size); if (aws_sha1_compute(aws_napi_get_allocator(), &to_hash_cur, &out_buf, digest_size)) { aws_napi_throw_last_error(env); } napi_value dataview; if (napi_create_dataview(env, digest_size, arraybuffer, 0, &dataview)) { napi_throw_error(env, NULL, "Failed to create output dataview"); return NULL; } aws_byte_buf_clean_up(&to_hash); return dataview;} /******************************************************************************* * HMAC ******************************************************************************/ /** Finalizer for an hash external */static void s_hmac_finalize(napi_env env, void *finalize_data, void *finalize_hint) { (void)env; (void)finalize_hint; struct aws_hmac *hmac = finalize_data; AWS_ASSERT(hmac); aws_hmac_destroy(hmac);} napi_value aws_napi_hmac_sha256_new(napi_env env, napi_callback_info info) { (void)info; struct aws_allocator *allocator = aws_napi_get_allocator(); napi_value node_args[1]; size_t num_args = AWS_ARRAY_SIZE(node_args); if (napi_get_cb_info(env, info, &num_args, node_args, NULL, NULL)) { napi_throw_error(env, NULL, "Failed to retrieve callback information"); return NULL; } if (num_args != AWS_ARRAY_SIZE(node_args)) { napi_throw_error(env, NULL, "hmac_sha256_new needs exactly 1 argument"); return NULL; } struct aws_byte_buf secret; if (aws_byte_buf_init_from_napi(&secret, env, node_args[0])) { napi_throw_type_error(env, NULL, "secret argument must be a string or array"); return NULL; } struct aws_byte_cursor secret_cur = aws_byte_cursor_from_buf(&secret); struct aws_hmac *hmac = aws_sha256_hmac_new(allocator, &secret_cur); if (!hmac) { aws_byte_buf_clean_up(&secret); return NULL; } napi_value node_external = NULL; if (napi_create_external(env, hmac, s_hmac_finalize, NULL, &node_external)) { napi_throw_error(env, NULL, "Failed create n-api external"); aws_hmac_destroy(hmac); aws_byte_buf_clean_up_secure(&secret); } return node_external;} napi_value aws_napi_hmac_update(napi_env env, napi_callback_info info) { napi_value node_args[2]; size_t num_args = AWS_ARRAY_SIZE(node_args); if (napi_get_cb_info(env, info, &num_args, node_args, NULL, NULL)) { napi_throw_error(env, NULL, "Failed to retrieve callback information"); return NULL; } if (num_args != AWS_ARRAY_SIZE(node_args)) { napi_throw_error(env, NULL, "hmac_update needs exactly 2 arguments"); return NULL; } struct aws_hmac *hmac = NULL; if (napi_get_value_external(env, node_args[0], (void **)&hmac)) { napi_throw_error(env, NULL, "Failed to extract hmac from first argument"); return NULL; } struct aws_byte_buf to_hash; if (aws_byte_buf_init_from_napi(&to_hash, env, node_args[1])) { napi_throw_type_error(env, NULL, "to_hmac argument must be a string or array"); return NULL; } struct aws_byte_cursor to_hash_cur = aws_byte_cursor_from_buf(&to_hash); if (aws_hmac_update(hmac, &to_hash_cur)) { aws_napi_throw_last_error(env); } aws_byte_buf_clean_up(&to_hash); return NULL;} napi_value aws_napi_hmac_digest(napi_env env, napi_callback_info info) { napi_value node_args[2]; size_t num_args = AWS_ARRAY_SIZE(node_args); if (napi_get_cb_info(env, info, &num_args, node_args, NULL, NULL)) { napi_throw_error(env, NULL, "Failed to retrieve callback information"); return NULL; } if (num_args != AWS_ARRAY_SIZE(node_args)) { napi_throw_error(env, NULL, "hmac_digest needs exactly 2 arguments"); return NULL; } struct aws_hmac *hmac = NULL; if (napi_get_value_external(env, node_args[0], (void **)&hmac)) { napi_throw_error(env, NULL, "Failed to extract hmac from first argument"); return NULL; } size_t digest_size = hmac->digest_size; if (!aws_napi_is_null_or_undefined(env, node_args[1])) { uint32_t truncate_to = 0; if (napi_get_value_uint32(env, node_args[1], &truncate_to)) { napi_throw_type_error(env, NULL, "truncate_to argument must be undefined or a positive number"); return NULL; } if (digest_size > truncate_to) { digest_size = truncate_to; } } napi_value arraybuffer; void *data = NULL; if (napi_create_arraybuffer(env, digest_size, &data, &arraybuffer)) { napi_throw_error(env, NULL, "Failed to create output arraybuffer"); return NULL; } struct aws_byte_buf out_buf = aws_byte_buf_from_empty_array(data, digest_size); if (aws_hmac_finalize(hmac, &out_buf, digest_size)) { aws_napi_throw_last_error(env); return NULL; } napi_value dataview; if (napi_create_dataview(env, digest_size, arraybuffer, 0, &dataview)) { napi_throw_error(env, NULL, "Failed to create output dataview"); return NULL; } return dataview;} napi_value aws_napi_hmac_sha256_compute(napi_env env, napi_callback_info info) { napi_value node_args[3]; size_t num_args = AWS_ARRAY_SIZE(node_args); if (napi_get_cb_info(env, info, &num_args, node_args, NULL, NULL)) { napi_throw_error(env, NULL, "Failed to retrieve callback information"); return NULL; } if (num_args != AWS_ARRAY_SIZE(node_args)) { napi_throw_error(env, NULL, "hmac_sha256_compute needs exactly 3 arguments"); return NULL; } struct aws_byte_buf secret; if (aws_byte_buf_init_from_napi(&secret, env, node_args[0])) { napi_throw_type_error(env, NULL, "secret argument must be a string or array"); return NULL; } struct aws_byte_cursor secret_cur = aws_byte_cursor_from_buf(&secret); struct aws_byte_buf to_hash; if (aws_byte_buf_init_from_napi(&to_hash, env, node_args[1])) { napi_throw_type_error(env, NULL, "to_hash argument must be a string or array"); return NULL; } size_t digest_size = AWS_SHA256_LEN; if (!aws_napi_is_null_or_undefined(env, node_args[2])) { uint32_t truncate_to = 0; if (napi_get_value_uint32(env, node_args[2], &truncate_to)) { napi_throw_type_error(env, NULL, "truncate_to argument must be undefined or a positive number"); return NULL; } if (digest_size > truncate_to) { digest_size = truncate_to; } } napi_value arraybuffer; void *data = NULL; if (napi_create_arraybuffer(env, digest_size, &data, &arraybuffer)) { napi_throw_error(env, NULL, "Failed to create output arraybuffer"); return NULL; } struct aws_byte_cursor to_hash_cur = aws_byte_cursor_from_buf(&to_hash); struct aws_byte_buf out_buf = aws_byte_buf_from_empty_array(data, digest_size); if (aws_sha256_hmac_compute(aws_napi_get_allocator(), &secret_cur, &to_hash_cur, &out_buf, digest_size)) { aws_napi_throw_last_error(env); } napi_value dataview; if (napi_create_dataview(env, digest_size, arraybuffer, 0, &dataview)) { napi_throw_error(env, NULL, "Failed to create output dataview"); return NULL; } aws_byte_buf_clean_up(&to_hash); return dataview;}