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-rw-r--r--src/box.c274
1 files changed, 55 insertions, 219 deletions
diff --git a/src/box.c b/src/box.c
index 4484390..0fa7297 100644
--- a/src/box.c
+++ b/src/box.c
@@ -8,193 +8,29 @@
#include <aesni/all.h>
-static AesNI_StatusCode aesni_box_xor_state_aes(
- AesNI_State* dest,
- const AesNI_State* src,
- AesNI_ErrorDetails* err_details)
-{
- dest->aes_block = aesni_xor_block128(dest->aes_block, src->aes_block);
- return AESNI_SUCCESS;
-}
-
-static AesNI_StatusCode aesni_box_encrypt_aes128(
- const AesNI_State* input,
- const AesNI_EncryptionParams* params,
- AesNI_State* output,
- AesNI_ErrorDetails* err_details)
-{
- output->aes_block = aesni_aes128_encrypt_block_(
- input->aes_block,
- &params->aes128_key_schedule);
- return AESNI_SUCCESS;
-}
-
-static AesNI_StatusCode aesni_box_decrypt_aes128(
- const AesNI_State* input,
- const AesNI_DecryptionParams* params,
- AesNI_State* output,
- AesNI_ErrorDetails* err_details)
-{
- output->aes_block = aesni_aes128_decrypt_block_(
- input->aes_block,
- &params->aes128_key_schedule);
- return AESNI_SUCCESS;
-}
-
-static AesNI_StatusCode aesni_box_encrypt_aes192(
- const AesNI_State* input,
- const AesNI_EncryptionParams* params,
- AesNI_State* output,
- AesNI_ErrorDetails* err_details)
-{
- output->aes_block = aesni_aes192_encrypt_block_(
- input->aes_block,
- &params->aes192_key_schedule);
- return AESNI_SUCCESS;
-}
-
-static AesNI_StatusCode aesni_box_decrypt_aes192(
- const AesNI_State* input,
- const AesNI_DecryptionParams* params,
- AesNI_State* output,
- AesNI_ErrorDetails* err_details)
-{
- output->aes_block = aesni_aes192_decrypt_block_(
- input->aes_block,
- &params->aes192_key_schedule);
- return AESNI_SUCCESS;
-}
-
-static AesNI_StatusCode aesni_box_encrypt_aes256(
- const AesNI_State* input,
- const AesNI_EncryptionParams* params,
- AesNI_State* output,
- AesNI_ErrorDetails* err_details)
-{
- output->aes_block = aesni_aes256_encrypt_block_(
- input->aes_block,
- &params->aes256_key_schedule);
- return AESNI_SUCCESS;
-}
-
-static AesNI_StatusCode aesni_box_decrypt_aes256(
- const AesNI_State* input,
- const AesNI_DecryptionParams* params,
- AesNI_State* output,
- AesNI_ErrorDetails* err_details)
-{
- output->aes_block = aesni_aes256_decrypt_block_(
- input->aes_block,
- &params->aes256_key_schedule);
- return AESNI_SUCCESS;
-}
-
-typedef AesNI_StatusCode (*AesNI_BoxEncrypt)(
- const AesNI_State*,
- const AesNI_EncryptionParams* params,
- AesNI_State* output,
- AesNI_ErrorDetails* err_details);
-
-static AesNI_BoxEncrypt aesni_box_encrypt_algorithm[] =
-{
- &aesni_box_encrypt_aes128,
- &aesni_box_encrypt_aes192,
- &aesni_box_encrypt_aes256,
-};
-
-typedef AesNI_StatusCode (*AesNI_BoxDecrypt)(
- const AesNI_State*,
- const AesNI_DecryptionParams* params,
- AesNI_State* output,
- AesNI_ErrorDetails* err_details);
-
-static AesNI_BoxDecrypt aesni_box_decrypt_algorithm[] =
-{
- &aesni_box_decrypt_aes128,
- &aesni_box_decrypt_aes192,
- &aesni_box_decrypt_aes256,
-};
-
-typedef AesNI_StatusCode (*AesNI_BoxXorState)(
- AesNI_State*,
- const AesNI_State*,
- AesNI_ErrorDetails*);
-
-static AesNI_BoxXorState aesni_box_xor_state[] =
-{
- &aesni_box_xor_state_aes,
- &aesni_box_xor_state_aes,
- &aesni_box_xor_state_aes,
-};
-
-static AesNI_StatusCode aesni_box_init_aes128(
- AesNI_Box* box,
- const AesNI_AlgorithmParams* algorithm_params,
- AesNI_ErrorDetails* err_details)
-{
- aesni_aes128_expand_key_(
- algorithm_params->aes128_key,
- &box->encrypt_params.aes128_key_schedule);
- aesni_aes128_derive_decryption_keys_(
- &box->encrypt_params.aes128_key_schedule,
- &box->decrypt_params.aes128_key_schedule);
- return AESNI_SUCCESS;
-}
-
-static AesNI_StatusCode aesni_box_init_aes192(
- AesNI_Box* box,
- const AesNI_AlgorithmParams* algorithm_params,
- AesNI_ErrorDetails* err_details)
-{
- aesni_aes192_expand_key_(
- algorithm_params->aes192_key.lo,
- algorithm_params->aes192_key.hi,
- &box->encrypt_params.aes192_key_schedule);
- aesni_aes192_derive_decryption_keys_(
- &box->encrypt_params.aes192_key_schedule,
- &box->decrypt_params.aes192_key_schedule);
- return AESNI_SUCCESS;
-}
-
-static AesNI_StatusCode aesni_box_init_aes256(
- AesNI_Box* box,
- const AesNI_AlgorithmParams* algorithm_params,
- AesNI_ErrorDetails* err_details)
-{
- aesni_aes256_expand_key_(
- algorithm_params->aes256_key.lo,
- algorithm_params->aes256_key.hi,
- &box->encrypt_params.aes256_key_schedule);
- aesni_aes256_derive_decryption_keys_(
- &box->encrypt_params.aes256_key_schedule,
- &box->decrypt_params.aes256_key_schedule);
- return AESNI_SUCCESS;
-}
-
-typedef AesNI_StatusCode (*AesNI_BoxInitializeAlgorithm)(
- AesNI_Box*,
- const AesNI_AlgorithmParams*,
- AesNI_ErrorDetails*);
-
-static AesNI_BoxInitializeAlgorithm aesni_box_init_algorithm[] =
+static const AesNI_BoxAlgorithmInterface* aesni_box_algorithm_ifaces[] =
{
- &aesni_box_init_aes128,
- &aesni_box_init_aes192,
- &aesni_box_init_aes256,
+ &aesni_box_aes128_iface,
+ &aesni_box_aes192_iface,
+ &aesni_box_aes256_iface,
};
AesNI_StatusCode aesni_box_init(
AesNI_Box* box,
- AesNI_Algorithm algorithm,
- const AesNI_AlgorithmParams* algorithm_params,
- AesNI_Mode mode,
- const AesNI_State* iv,
+ AesNI_BoxAlgorithm algorithm,
+ const AesNI_BoxAlgorithmParams* algorithm_params,
+ AesNI_BoxMode mode,
+ const AesNI_BoxBlock* iv,
AesNI_ErrorDetails* err_details)
{
AesNI_StatusCode status = AESNI_SUCCESS;
- box->algorithm = algorithm;
- if (aesni_is_error(status = aesni_box_init_algorithm[algorithm](box, algorithm_params, err_details)))
+ box->algorithm_iface = aesni_box_algorithm_ifaces[algorithm];
+ if (aesni_is_error(status = box->algorithm_iface->derive_params(
+ algorithm_params,
+ &box->encrypt_params,
+ &box->decrypt_params,
+ err_details)))
return status;
box->mode = mode;
if (iv != NULL)
@@ -205,11 +41,11 @@ AesNI_StatusCode aesni_box_init(
static AesNI_StatusCode aesni_box_encrypt_ecb(
AesNI_Box* box,
- const AesNI_State* input,
- AesNI_State* output,
+ const AesNI_BoxBlock* input,
+ AesNI_BoxBlock* output,
AesNI_ErrorDetails* err_details)
{
- return aesni_box_encrypt_algorithm[box->algorithm](
+ return box->algorithm_iface->encrypt(
input,
&box->encrypt_params,
output,
@@ -218,21 +54,21 @@ static AesNI_StatusCode aesni_box_encrypt_ecb(
static AesNI_StatusCode aesni_box_encrypt_cbc(
AesNI_Box* box,
- const AesNI_State* input,
- AesNI_State* output,
+ const AesNI_BoxBlock* input,
+ AesNI_BoxBlock* output,
AesNI_ErrorDetails* err_details)
{
AesNI_StatusCode status = AESNI_SUCCESS;
- AesNI_State xored_input = *input;
- status = aesni_box_xor_state[box->algorithm](
+ AesNI_BoxBlock xored_input = *input;
+ status = box->algorithm_iface->xor_block(
&xored_input,
&box->iv,
err_details);
if (aesni_is_error(status))
return status;
- status = aesni_box_encrypt_algorithm[box->algorithm](
+ status = box->algorithm_iface->encrypt(
&xored_input,
&box->encrypt_params,
output,
@@ -246,11 +82,11 @@ static AesNI_StatusCode aesni_box_encrypt_cbc(
static AesNI_StatusCode aesni_box_encrypt_cfb(
AesNI_Box* box,
- const AesNI_State* input,
- AesNI_State* output,
+ const AesNI_BoxBlock* input,
+ AesNI_BoxBlock* output,
AesNI_ErrorDetails* err_details)
{
- AesNI_StatusCode status = aesni_box_encrypt_algorithm[box->algorithm](
+ AesNI_StatusCode status = box->algorithm_iface->encrypt(
&box->iv,
&box->encrypt_params,
output,
@@ -258,7 +94,7 @@ static AesNI_StatusCode aesni_box_encrypt_cfb(
if (aesni_is_error(status))
return status;
- status = aesni_box_xor_state[box->algorithm](output, input, err_details);
+ status = box->algorithm_iface->xor_block(output, input, err_details);
if (aesni_is_error(status))
return status;
@@ -268,11 +104,11 @@ static AesNI_StatusCode aesni_box_encrypt_cfb(
static AesNI_StatusCode aesni_box_encrypt_ofb(
AesNI_Box* box,
- const AesNI_State* input,
- AesNI_State* output,
+ const AesNI_BoxBlock* input,
+ AesNI_BoxBlock* output,
AesNI_ErrorDetails* err_details)
{
- AesNI_StatusCode status = aesni_box_encrypt_algorithm[box->algorithm](
+ AesNI_StatusCode status = box->algorithm_iface->encrypt(
&box->iv,
&box->encrypt_params,
&box->iv,
@@ -282,7 +118,7 @@ static AesNI_StatusCode aesni_box_encrypt_ofb(
*output = box->iv;
- status = aesni_box_xor_state[box->algorithm](output, input, err_details);
+ status = box->algorithm_iface->xor_block(output, input, err_details);
if (aesni_is_error(status))
return status;
@@ -291,8 +127,8 @@ static AesNI_StatusCode aesni_box_encrypt_ofb(
static AesNI_StatusCode aesni_box_encrypt_ctr(
AesNI_Box* box,
- const AesNI_State* input,
- AesNI_State* output,
+ const AesNI_BoxBlock* input,
+ AesNI_BoxBlock* output,
AesNI_ErrorDetails* err_details)
{
return aesni_error_not_implemented(err_details);
@@ -300,8 +136,8 @@ static AesNI_StatusCode aesni_box_encrypt_ctr(
typedef AesNI_StatusCode (*AesNI_BoxEncryptMode)(
AesNI_Box*,
- const AesNI_State*,
- AesNI_State*,
+ const AesNI_BoxBlock*,
+ AesNI_BoxBlock*,
AesNI_ErrorDetails*);
static AesNI_BoxEncryptMode aesni_box_encrypt_mode[] =
@@ -315,8 +151,8 @@ static AesNI_BoxEncryptMode aesni_box_encrypt_mode[] =
AesNI_StatusCode aesni_box_encrypt(
AesNI_Box* box,
- const AesNI_State* input,
- AesNI_State* output,
+ const AesNI_BoxBlock* input,
+ AesNI_BoxBlock* output,
AesNI_ErrorDetails* err_details)
{
return aesni_box_encrypt_mode[box->mode](box, input, output, err_details);
@@ -324,11 +160,11 @@ AesNI_StatusCode aesni_box_encrypt(
static AesNI_StatusCode aesni_box_decrypt_ecb(
AesNI_Box* box,
- const AesNI_State* input,
- AesNI_State* output,
+ const AesNI_BoxBlock* input,
+ AesNI_BoxBlock* output,
AesNI_ErrorDetails* err_details)
{
- return aesni_box_decrypt_algorithm[box->algorithm](
+ return box->algorithm_iface->decrypt(
input,
&box->decrypt_params,
output,
@@ -337,11 +173,11 @@ static AesNI_StatusCode aesni_box_decrypt_ecb(
static AesNI_StatusCode aesni_box_decrypt_cbc(
AesNI_Box* box,
- const AesNI_State* input,
- AesNI_State* output,
+ const AesNI_BoxBlock* input,
+ AesNI_BoxBlock* output,
AesNI_ErrorDetails* err_details)
{
- AesNI_StatusCode status = aesni_box_decrypt_algorithm[box->algorithm](
+ AesNI_StatusCode status = box->algorithm_iface->decrypt(
input,
&box->decrypt_params,
output,
@@ -349,7 +185,7 @@ static AesNI_StatusCode aesni_box_decrypt_cbc(
if (aesni_is_error(status))
return status;
- status = aesni_box_xor_state[box->algorithm](
+ status = box->algorithm_iface->xor_block(
output,
&box->iv,
err_details);
@@ -362,11 +198,11 @@ static AesNI_StatusCode aesni_box_decrypt_cbc(
static AesNI_StatusCode aesni_box_decrypt_cfb(
AesNI_Box* box,
- const AesNI_State* input,
- AesNI_State* output,
+ const AesNI_BoxBlock* input,
+ AesNI_BoxBlock* output,
AesNI_ErrorDetails* err_details)
{
- AesNI_StatusCode status = aesni_box_encrypt_algorithm[box->algorithm](
+ AesNI_StatusCode status = box->algorithm_iface->encrypt(
&box->iv,
&box->encrypt_params,
output,
@@ -374,7 +210,7 @@ static AesNI_StatusCode aesni_box_decrypt_cfb(
if (aesni_is_error(status))
return status;
- status = aesni_box_xor_state[box->algorithm](
+ status = box->algorithm_iface->xor_block(
output,
input,
err_details);
@@ -388,11 +224,11 @@ static AesNI_StatusCode aesni_box_decrypt_cfb(
static AesNI_StatusCode aesni_box_decrypt_ofb(
AesNI_Box* box,
- const AesNI_State* input,
- AesNI_State* output,
+ const AesNI_BoxBlock* input,
+ AesNI_BoxBlock* output,
AesNI_ErrorDetails* err_details)
{
- AesNI_StatusCode status = aesni_box_encrypt_algorithm[box->algorithm](
+ AesNI_StatusCode status = box->algorithm_iface->encrypt(
&box->iv,
&box->encrypt_params,
output,
@@ -402,7 +238,7 @@ static AesNI_StatusCode aesni_box_decrypt_ofb(
box->iv = *output;
- status = aesni_box_xor_state[box->algorithm](
+ status = box->algorithm_iface->xor_block(
output,
input,
err_details);
@@ -414,8 +250,8 @@ static AesNI_StatusCode aesni_box_decrypt_ofb(
static AesNI_StatusCode aesni_box_decrypt_ctr(
AesNI_Box* box,
- const AesNI_State* input,
- AesNI_State* output,
+ const AesNI_BoxBlock* input,
+ AesNI_BoxBlock* output,
AesNI_ErrorDetails* err_details)
{
return aesni_error_not_implemented(err_details);
@@ -434,8 +270,8 @@ static AesNI_BoxDecryptMode aesni_box_decrypt_mode[] =
AesNI_StatusCode aesni_box_decrypt(
AesNI_Box* box,
- const AesNI_State* input,
- AesNI_State* output,
+ const AesNI_BoxBlock* input,
+ AesNI_BoxBlock* output,
AesNI_ErrorDetails* err_details)
{
return aesni_box_decrypt_mode[box->mode](box, input, output, err_details);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-10 13:23:29 +0000