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-rw-r--r--lib/liboqs/src/common/aes/aes.c137
1 files changed, 137 insertions, 0 deletions
diff --git a/lib/liboqs/src/common/aes/aes.c b/lib/liboqs/src/common/aes/aes.c
new file mode 100644
index 000000000..1fef083a7
--- /dev/null
+++ b/lib/liboqs/src/common/aes/aes.c
@@ -0,0 +1,137 @@
+// SPDX-License-Identifier: MIT
+
+#include <assert.h>
+#include <stdio.h>
+#include <string.h>
+
+#include <oqs/common.h>
+
+#include "aes.h"
+#include "aes_local.h"
+
+#if defined(OQS_DIST_X86_64_BUILD)
+#define C_OR_NI_OR_ARM(stmt_c, stmt_ni, stmt_arm) \
+ do { \
+ if (OQS_CPU_has_extension(OQS_CPU_EXT_AES)) { \
+ stmt_ni; \
+ } else { \
+ stmt_c; \
+ } \
+ } while(0)
+#elif defined(OQS_DIST_ARM64_V8_BUILD)
+#define C_OR_NI_OR_ARM(stmt_c, stmt_ni, stmt_arm) \
+ do { \
+ if (OQS_CPU_has_extension(OQS_CPU_EXT_ARM_AES)) { \
+ stmt_arm; \
+ } else { \
+ stmt_c; \
+ } \
+ } while(0)
+#elif defined(OQS_USE_AES_INSTRUCTIONS)
+#define C_OR_NI_OR_ARM(stmt_c, stmt_ni, stmt_arm) \
+ stmt_ni
+#elif defined(OQS_USE_ARM_AES_INSTRUCTIONS)
+#define C_OR_NI_OR_ARM(stmt_c, stmt_ni, stmt_arm) \
+ stmt_arm
+#else
+#define C_OR_NI_OR_ARM(stmt_c, stmt_ni, stmt_arm) \
+ stmt_c
+#endif
+
+void OQS_AES128_ECB_load_schedule(const uint8_t *key, void **_schedule) {
+ C_OR_NI_OR_ARM(
+ oqs_aes128_load_schedule_c(key, _schedule),
+ oqs_aes128_load_schedule_ni(key, _schedule),
+ oqs_aes128_load_schedule_no_bitslice(key, _schedule)
+ );
+}
+
+void OQS_AES128_free_schedule(void *schedule) {
+ C_OR_NI_OR_ARM(
+ oqs_aes128_free_schedule_c(schedule),
+ oqs_aes128_free_schedule_ni(schedule),
+ oqs_aes128_free_schedule_no_bitslice(schedule)
+ );
+}
+
+void OQS_AES256_ECB_load_schedule(const uint8_t *key, void **_schedule) {
+ C_OR_NI_OR_ARM(
+ oqs_aes256_load_schedule_c(key, _schedule),
+ oqs_aes256_load_schedule_ni(key, _schedule),
+ oqs_aes256_load_schedule_no_bitslice(key, _schedule)
+ );
+}
+
+void OQS_AES256_CTR_inc_init(const uint8_t *key, void **_schedule) {
+ OQS_AES256_ECB_load_schedule(key, _schedule);
+}
+
+void OQS_AES256_CTR_inc_iv(const uint8_t *iv, size_t iv_len, void *_schedule) {
+ C_OR_NI_OR_ARM(
+ oqs_aes256_load_iv_c(iv, iv_len, _schedule),
+ oqs_aes256_load_iv_ni(iv, iv_len, _schedule),
+ oqs_aes256_load_iv_armv8(iv, iv_len, _schedule)
+ );
+}
+
+void OQS_AES256_CTR_inc_ivu64(uint64_t iv, void *_schedule) {
+ C_OR_NI_OR_ARM(
+ oqs_aes256_load_iv_u64_c(iv, _schedule),
+ oqs_aes256_load_iv_u64_ni(iv, _schedule),
+ (void) iv; (void) _schedule
+ );
+}
+
+void OQS_AES256_free_schedule(void *schedule) {
+ C_OR_NI_OR_ARM(
+ oqs_aes256_free_schedule_c(schedule),
+ oqs_aes256_free_schedule_ni(schedule),
+ oqs_aes256_free_schedule_no_bitslice(schedule)
+ );
+}
+
+void OQS_AES128_ECB_enc(const uint8_t *plaintext, const size_t plaintext_len, const uint8_t *key, uint8_t *ciphertext) {
+ void *schedule = NULL;
+ OQS_AES128_ECB_load_schedule(key, &schedule);
+ OQS_AES128_ECB_enc_sch(plaintext, plaintext_len, schedule, ciphertext);
+ OQS_AES128_free_schedule(schedule);
+}
+
+void OQS_AES128_ECB_enc_sch(const uint8_t *plaintext, const size_t plaintext_len, const void *schedule, uint8_t *ciphertext) {
+ C_OR_NI_OR_ARM(
+ oqs_aes128_ecb_enc_sch_c(plaintext, plaintext_len, schedule, ciphertext),
+ oqs_aes128_ecb_enc_sch_ni(plaintext, plaintext_len, schedule, ciphertext),
+ oqs_aes128_ecb_enc_sch_armv8(plaintext, plaintext_len, schedule, ciphertext)
+ );
+}
+
+void OQS_AES256_ECB_enc(const uint8_t *plaintext, const size_t plaintext_len, const uint8_t *key, uint8_t *ciphertext) {
+ void *schedule = NULL;
+ OQS_AES256_ECB_load_schedule(key, &schedule);
+ OQS_AES256_ECB_enc_sch(plaintext, plaintext_len, schedule, ciphertext);
+ OQS_AES256_free_schedule(schedule);
+}
+
+void OQS_AES256_ECB_enc_sch(const uint8_t *plaintext, const size_t plaintext_len, const void *schedule, uint8_t *ciphertext) {
+ C_OR_NI_OR_ARM(
+ oqs_aes256_ecb_enc_sch_c(plaintext, plaintext_len, schedule, ciphertext),
+ oqs_aes256_ecb_enc_sch_ni(plaintext, plaintext_len, schedule, ciphertext),
+ oqs_aes256_ecb_enc_sch_armv8(plaintext, plaintext_len, schedule, ciphertext)
+ );
+}
+
+void OQS_AES256_CTR_inc_stream_iv(const uint8_t *iv, const size_t iv_len, const void *schedule, uint8_t *out, size_t out_len) {
+ C_OR_NI_OR_ARM(
+ oqs_aes256_ctr_enc_sch_c(iv, iv_len, schedule, out, out_len),
+ oqs_aes256_ctr_enc_sch_ni(iv, iv_len, schedule, out, out_len),
+ oqs_aes256_ctr_enc_sch_armv8(iv, iv_len, schedule, out, out_len)
+ );
+}
+
+void OQS_AES256_CTR_inc_stream_blks(void *schedule, uint8_t *out, size_t out_blks) {
+ C_OR_NI_OR_ARM(
+ oqs_aes256_ctr_enc_sch_upd_blks_c(schedule, out, out_blks),
+ oqs_aes256_ctr_enc_sch_upd_blks_ni(schedule, out, out_blks),
+ oqs_aes256_ctr_enc_sch_upd_blks_armv8(schedule, out, out_blks)
+ );
+}