diff options
Diffstat (limited to '')
-rw-r--r-- | examples/aes128cbc_example.c | 25 |
1 files changed, 23 insertions, 2 deletions
diff --git a/examples/aes128cbc_example.c b/examples/aes128cbc_example.c index ce568ea..94fb0d4 100644 --- a/examples/aes128cbc_example.c +++ b/examples/aes128cbc_example.c @@ -13,6 +13,7 @@ int main() { __declspec(align(16)) AesBlock128 plain, key, cypher, decrypted, iv; + __declspec(align(16)) Aes128KeySchedule key_schedule, inverted_schedule; plain = make_aes_block128(0xffeeddcc, 0xbbaa9988, 0x77665544, 0x33221100); key = make_aes_block128(0x0f0e0d0c, 0x0b0a0908, 0x07060504, 0x03020100); @@ -32,13 +33,33 @@ int main() printf(" %s\n", format_aes_block128_fips_style(&iv).str); print_aes_block128_fips_matrix_style(&iv); - cypher = aes128cbc_encrypt(plain, key, &iv); + aes128_expand_key_schedule(key, &key_schedule); + + printf("\n"); + printf("Key schedule:\n"); + for (int i = 0; i < 11; ++i) + { + printf("\t[%d]: %s\n", i, format_aes_block128(&key_schedule.keys[i]).str); + printf("\t[%d]: %s\n", i, format_aes_block128_fips_style(&key_schedule.keys[i]).str); + } + + cypher = aes128cbc_encrypt(plain, &key_schedule, &iv); printf("\n"); printf("Cypher: %s\n", format_aes_block128(&cypher).str); printf(" %s\n", format_aes_block128_fips_style(&cypher).str); print_aes_block128_fips_matrix_style(&cypher); - decrypted = aes128cbc_decrypt(cypher, key, &iv); + aes128_invert_key_schedule(&key_schedule, &inverted_schedule); + + printf("\n"); + printf("Inverted key schedule:\n"); + for (int i = 0; i < 11; ++i) + { + printf("\t[%d]: %s\n", i, format_aes_block128(&inverted_schedule.keys[i]).str); + printf("\t[%d]: %s\n", i, format_aes_block128_fips_style(&inverted_schedule.keys[i]).str); + } + + decrypted = aes128cbc_decrypt(cypher, &inverted_schedule, &iv); printf("\n"); printf("Decrypted: %s\n", format_aes_block128(&decrypted).str); printf(" %s\n", format_aes_block128_fips_style(&decrypted).str); |