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-rw-r--r--aes/src/box_aes.c331
1 files changed, 331 insertions, 0 deletions
diff --git a/aes/src/box_aes.c b/aes/src/box_aes.c
new file mode 100644
index 0000000..4d08d10
--- /dev/null
+++ b/aes/src/box_aes.c
@@ -0,0 +1,331 @@
+/*
+ * Copyright (c) 2015 Egor Tensin <Egor.Tensin@gmail.com>
+ * This file is part of the "AES tools" project.
+ * For details, see https://github.com/egor-tensin/aes-tools.
+ * Distributed under the MIT License.
+ */
+
+#include <aes/all.h>
+
+#include <stdlib.h>
+#include <string.h>
+
+static AES_StatusCode aes_box_derive_params_aes128(
+ const AES_BoxKey* box_key,
+ AES_BoxEncryptionRoundKeys* encryption_keys,
+ AES_BoxDecryptionRoundKeys* decryption_keys,
+ AES_ErrorDetails* err_details)
+{
+ AES_UNUSED_PARAMETER(err_details);
+ aes_AES128_expand_key_(
+ box_key->aes128_key.key,
+ &encryption_keys->aes128_encryption_keys);
+ aes_AES128_derive_decryption_keys_(
+ &encryption_keys->aes128_encryption_keys,
+ &decryption_keys->aes128_decryption_keys);
+ return AES_SUCCESS;
+}
+
+static AES_StatusCode aes_box_derive_params_aes192(
+ const AES_BoxKey* box_key,
+ AES_BoxEncryptionRoundKeys* encryption_keys,
+ AES_BoxDecryptionRoundKeys* decryption_keys,
+ AES_ErrorDetails* err_details)
+{
+ AES_UNUSED_PARAMETER(err_details);
+ aes_AES192_expand_key_(
+ box_key->aes192_key.lo,
+ box_key->aes192_key.hi,
+ &encryption_keys->aes192_encryption_keys);
+ aes_AES192_derive_decryption_keys_(
+ &encryption_keys->aes192_encryption_keys,
+ &decryption_keys->aes192_decryption_keys);
+ return AES_SUCCESS;
+}
+
+static AES_StatusCode aes_box_derive_params_aes256(
+ const AES_BoxKey* box_key,
+ AES_BoxEncryptionRoundKeys* encryption_keys,
+ AES_BoxDecryptionRoundKeys* decryption_keys,
+ AES_ErrorDetails* err_details)
+{
+ AES_UNUSED_PARAMETER(err_details);
+ aes_AES256_expand_key_(
+ box_key->aes256_key.lo,
+ box_key->aes256_key.hi,
+ &encryption_keys->aes256_encryption_keys);
+ aes_AES256_derive_decryption_keys_(
+ &encryption_keys->aes256_encryption_keys,
+ &decryption_keys->aes256_decryption_keys);
+ return AES_SUCCESS;
+}
+
+static AES_StatusCode aes_box_parse_block_aes(
+ AES_BoxBlock* dest,
+ const char* src,
+ AES_ErrorDetails* err_details)
+{
+ if (dest == NULL)
+ return aes_error_null_argument(err_details, "dest");
+
+ return aes_AES_parse_block(&dest->aes_block, src, err_details);
+}
+
+static AES_StatusCode aes_box_parse_key_aes128(
+ AES_BoxKey* dest,
+ const char* src,
+ AES_ErrorDetails* err_details)
+{
+ if (dest == NULL)
+ return aes_error_null_argument(err_details, "dest");
+
+ return aes_AES128_parse_key(&dest->aes128_key, src, err_details);
+}
+
+static AES_StatusCode aes_box_parse_key_aes192(
+ AES_BoxKey* dest,
+ const char* src,
+ AES_ErrorDetails* err_details)
+{
+ if (dest == NULL)
+ return aes_error_null_argument(err_details, "dest");
+
+ return aes_AES192_parse_key(&dest->aes192_key, src, err_details);
+}
+
+static AES_StatusCode aes_box_parse_key_aes256(
+ AES_BoxKey* dest,
+ const char* src,
+ AES_ErrorDetails* err_details)
+{
+ if (dest == NULL)
+ return aes_error_null_argument(err_details, "dest");
+
+ return aes_AES256_parse_key(&dest->aes256_key, src, err_details);
+}
+
+static AES_StatusCode aes_box_format_block_aes(
+ AES_BoxBlockString* dest,
+ const AES_BoxBlock* src,
+ AES_ErrorDetails* err_details)
+{
+ if (dest == NULL)
+ return aes_error_null_argument(err_details, "dest");
+ if (src == NULL)
+ return aes_error_null_argument(err_details, "src");
+
+ return aes_AES128_format_block(&dest->aes, &src->aes_block, err_details);
+}
+
+static AES_StatusCode aes_box_format_key_aes128(
+ AES_BoxKeyString* dest,
+ const AES_BoxKey* src,
+ AES_ErrorDetails* err_details)
+{
+ if (dest == NULL)
+ return aes_error_null_argument(err_details, "dest");
+ if (src == NULL)
+ return aes_error_null_argument(err_details, "src");
+
+ return aes_AES128_format_key(&dest->aes128, &src->aes128_key, err_details);
+}
+
+static AES_StatusCode aes_box_format_key_aes192(
+ AES_BoxKeyString* dest,
+ const AES_BoxKey* src,
+ AES_ErrorDetails* err_details)
+{
+ if (dest == NULL)
+ return aes_error_null_argument(err_details, "dest");
+ if (src == NULL)
+ return aes_error_null_argument(err_details, "src");
+
+ return aes_AES192_format_key(&dest->aes192, &src->aes192_key, err_details);
+}
+
+static AES_StatusCode aes_box_format_key_aes256(
+ AES_BoxKeyString* dest,
+ const AES_BoxKey* src,
+ AES_ErrorDetails* err_details)
+{
+ if (dest == NULL)
+ return aes_error_null_argument(err_details, "dest");
+ if (src == NULL)
+ return aes_error_null_argument(err_details, "src");
+
+ return aes_AES256_format_key(&dest->aes256, &src->aes256_key, err_details);
+}
+
+static AES_StatusCode aes_box_xor_block_aes(
+ AES_BoxBlock* dest,
+ const AES_BoxBlock* src,
+ AES_ErrorDetails* err_details)
+{
+ AES_UNUSED_PARAMETER(err_details);
+ dest->aes_block = aes_AES_xor_blocks(dest->aes_block, src->aes_block);
+ return AES_SUCCESS;
+}
+
+static AES_StatusCode aes_box_inc_block_aes(
+ AES_BoxBlock* ctr,
+ AES_ErrorDetails* err_details)
+{
+ AES_UNUSED_PARAMETER(err_details);
+ ctr->aes_block = aes_AES_inc_block(ctr->aes_block);
+ return AES_SUCCESS;
+}
+
+static AES_StatusCode aes_box_get_block_size_aes(
+ size_t* block_size,
+ AES_ErrorDetails* err_details)
+{
+ AES_UNUSED_PARAMETER(err_details);
+ *block_size = 16;
+ return AES_SUCCESS;
+}
+
+static AES_StatusCode aes_box_store_block_aes(
+ void* dest,
+ const AES_BoxBlock* src,
+ AES_ErrorDetails* err_details)
+{
+ AES_UNUSED_PARAMETER(err_details);
+ aes_store_block128(dest, src->aes_block);
+ return AES_SUCCESS;
+}
+
+static AES_StatusCode aes_box_load_block_aes(
+ AES_BoxBlock* dest,
+ const void* src,
+ AES_ErrorDetails* err_details)
+{
+ AES_UNUSED_PARAMETER(err_details);
+ dest->aes_block = aes_load_block128(src);
+ return AES_SUCCESS;
+}
+
+static AES_StatusCode aes_box_encrypt_block_aes128(
+ const AES_BoxBlock* input,
+ const AES_BoxEncryptionRoundKeys* params,
+ AES_BoxBlock* output,
+ AES_ErrorDetails* err_details)
+{
+ AES_UNUSED_PARAMETER(err_details);
+ output->aes_block = aes_AES128_encrypt_block_(
+ input->aes_block,
+ &params->aes128_encryption_keys);
+ return AES_SUCCESS;
+}
+
+static AES_StatusCode aes_box_decrypt_block_aes128(
+ const AES_BoxBlock* input,
+ const AES_BoxDecryptionRoundKeys* params,
+ AES_BoxBlock* output,
+ AES_ErrorDetails* err_details)
+{
+ AES_UNUSED_PARAMETER(err_details);
+ output->aes_block = aes_AES128_decrypt_block_(
+ input->aes_block,
+ &params->aes128_decryption_keys);
+ return AES_SUCCESS;
+}
+
+static AES_StatusCode aes_box_encrypt_block_aes192(
+ const AES_BoxBlock* input,
+ const AES_BoxEncryptionRoundKeys* params,
+ AES_BoxBlock* output,
+ AES_ErrorDetails* err_details)
+{
+ AES_UNUSED_PARAMETER(err_details);
+ output->aes_block = aes_AES192_encrypt_block_(
+ input->aes_block,
+ &params->aes192_encryption_keys);
+ return AES_SUCCESS;
+}
+
+static AES_StatusCode aes_box_decrypt_block_aes192(
+ const AES_BoxBlock* input,
+ const AES_BoxDecryptionRoundKeys* params,
+ AES_BoxBlock* output,
+ AES_ErrorDetails* err_details)
+{
+ AES_UNUSED_PARAMETER(err_details);
+ output->aes_block = aes_AES192_decrypt_block_(
+ input->aes_block,
+ &params->aes192_decryption_keys);
+ return AES_SUCCESS;
+}
+
+static AES_StatusCode aes_box_encrypt_block_aes256(
+ const AES_BoxBlock* input,
+ const AES_BoxEncryptionRoundKeys* params,
+ AES_BoxBlock* output,
+ AES_ErrorDetails* err_details)
+{
+ AES_UNUSED_PARAMETER(err_details);
+ output->aes_block = aes_AES256_encrypt_block_(
+ input->aes_block,
+ &params->aes256_encryption_keys);
+ return AES_SUCCESS;
+}
+
+static AES_StatusCode aes_box_decrypt_block_aes256(
+ const AES_BoxBlock* input,
+ const AES_BoxDecryptionRoundKeys* params,
+ AES_BoxBlock* output,
+ AES_ErrorDetails* err_details)
+{
+ AES_UNUSED_PARAMETER(err_details);
+ output->aes_block = aes_AES256_decrypt_block_(
+ input->aes_block,
+ &params->aes256_decryption_keys);
+ return AES_SUCCESS;
+}
+
+AES_BoxAlgorithmInterface aes_box_algorithm_aes128 =
+{
+ &aes_box_derive_params_aes128,
+ &aes_box_parse_block_aes,
+ &aes_box_parse_key_aes128,
+ &aes_box_format_block_aes,
+ &aes_box_format_key_aes128,
+ &aes_box_encrypt_block_aes128,
+ &aes_box_decrypt_block_aes128,
+ &aes_box_xor_block_aes,
+ &aes_box_inc_block_aes,
+ &aes_box_get_block_size_aes,
+ &aes_box_store_block_aes,
+ &aes_box_load_block_aes,
+};
+
+AES_BoxAlgorithmInterface aes_box_algorithm_aes192 =
+{
+ &aes_box_derive_params_aes192,
+ &aes_box_parse_block_aes,
+ &aes_box_parse_key_aes192,
+ &aes_box_format_block_aes,
+ &aes_box_format_key_aes192,
+ &aes_box_encrypt_block_aes192,
+ &aes_box_decrypt_block_aes192,
+ &aes_box_xor_block_aes,
+ &aes_box_inc_block_aes,
+ &aes_box_get_block_size_aes,
+ &aes_box_store_block_aes,
+ &aes_box_load_block_aes,
+};
+
+AES_BoxAlgorithmInterface aes_box_algorithm_aes256 =
+{
+ &aes_box_derive_params_aes256,
+ &aes_box_parse_block_aes,
+ &aes_box_parse_key_aes256,
+ &aes_box_format_block_aes,
+ &aes_box_format_key_aes256,
+ &aes_box_encrypt_block_aes256,
+ &aes_box_decrypt_block_aes256,
+ &aes_box_xor_block_aes,
+ &aes_box_inc_block_aes,
+ &aes_box_get_block_size_aes,
+ &aes_box_store_block_aes,
+ &aes_box_load_block_aes,
+};
generated by cgit v1.2.3 (git 2.25.1) at 2024-09-19 21:55:43 +0000