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package test_core_crypto
import "base:runtime"
import "core:encoding/hex"
import "core:log"
import "core:testing"
import "core:crypto/aes"
import "core:crypto/sha2"
@(test)
test_aes :: proc(t: ^testing.T) {
runtime.DEFAULT_TEMP_ALLOCATOR_TEMP_GUARD()
impls := supported_aes_impls()
for impl in impls {
test_aes_ecb(t, impl)
test_aes_ctr(t, impl)
}
}
supported_aes_impls :: proc() -> [dynamic]aes.Implementation {
impls := make([dynamic]aes.Implementation, 0, 2, context.temp_allocator)
append(&impls, aes.Implementation.Portable)
if aes.is_hardware_accelerated() {
append(&impls, aes.Implementation.Hardware)
}
return impls
}
test_aes_ecb :: proc(t: ^testing.T, impl: aes.Implementation) {
log.debugf("Testing AES-ECB/%v", impl)
test_vectors := []struct {
key: string,
plaintext: string,
ciphertext: string,
} {
// http://nvlpubs.nist.gov/nistpubs/Legacy/SP/nistspecialpublication800-38a.pdf
{
"2b7e151628aed2a6abf7158809cf4f3c",
"6bc1bee22e409f96e93d7e117393172a",
"3ad77bb40d7a3660a89ecaf32466ef97",
},
{
"2b7e151628aed2a6abf7158809cf4f3c",
"ae2d8a571e03ac9c9eb76fac45af8e51",
"f5d3d58503b9699de785895a96fdbaaf",
},
{
"2b7e151628aed2a6abf7158809cf4f3c",
"30c81c46a35ce411e5fbc1191a0a52ef",
"43b1cd7f598ece23881b00e3ed030688",
},
{
"2b7e151628aed2a6abf7158809cf4f3c",
"f69f2445df4f9b17ad2b417be66c3710",
"7b0c785e27e8ad3f8223207104725dd4",
},
{
"8e73b0f7da0e6452c810f32b809079e562f8ead2522c6b7b",
"6bc1bee22e409f96e93d7e117393172a",
"bd334f1d6e45f25ff712a214571fa5cc",
},
{
"8e73b0f7da0e6452c810f32b809079e562f8ead2522c6b7b",
"ae2d8a571e03ac9c9eb76fac45af8e51",
"974104846d0ad3ad7734ecb3ecee4eef",
},
{
"8e73b0f7da0e6452c810f32b809079e562f8ead2522c6b7b",
"30c81c46a35ce411e5fbc1191a0a52ef",
"ef7afd2270e2e60adce0ba2face6444e",
},
{
"8e73b0f7da0e6452c810f32b809079e562f8ead2522c6b7b",
"f69f2445df4f9b17ad2b417be66c3710",
"9a4b41ba738d6c72fb16691603c18e0e",
},
{
"603deb1015ca71be2b73aef0857d77811f352c073b6108d72d9810a30914dff4",
"6bc1bee22e409f96e93d7e117393172a",
"f3eed1bdb5d2a03c064b5a7e3db181f8",
},
{
"603deb1015ca71be2b73aef0857d77811f352c073b6108d72d9810a30914dff4",
"ae2d8a571e03ac9c9eb76fac45af8e51",
"591ccb10d410ed26dc5ba74a31362870",
},
{
"603deb1015ca71be2b73aef0857d77811f352c073b6108d72d9810a30914dff4",
"30c81c46a35ce411e5fbc1191a0a52ef",
"b6ed21b99ca6f4f9f153e7b1beafed1d",
},
{
"603deb1015ca71be2b73aef0857d77811f352c073b6108d72d9810a30914dff4",
"f69f2445df4f9b17ad2b417be66c3710",
"23304b7a39f9f3ff067d8d8f9e24ecc7",
},
}
for v, _ in test_vectors {
key, _ := hex.decode(transmute([]byte)(v.key), context.temp_allocator)
plaintext, _ := hex.decode(transmute([]byte)(v.plaintext), context.temp_allocator)
ciphertext, _ := hex.decode(transmute([]byte)(v.ciphertext), context.temp_allocator)
ctx: aes.Context_ECB
dst: [aes.BLOCK_SIZE]byte
aes.init_ecb(&ctx, key, impl)
aes.encrypt_ecb(&ctx, dst[:], plaintext)
dst_str := string(hex.encode(dst[:], context.temp_allocator))
testing.expectf(
t,
dst_str == v.ciphertext,
"AES-ECB/%v: Expected: %s for encrypt(%s, %s), but got %s instead",
impl,
v.ciphertext,
v.key,
v.plaintext,
dst_str,
)
aes.decrypt_ecb(&ctx, dst[:], ciphertext)
dst_str = string(hex.encode(dst[:], context.temp_allocator))
testing.expectf(
t,
dst_str == v.plaintext,
"AES-ECB/%v: Expected: %s for decrypt(%s, %s), but got %s instead",
impl,
v.plaintext,
v.key,
v.ciphertext,
dst_str,
)
}
}
test_aes_ctr :: proc(t: ^testing.T, impl: aes.Implementation) {
log.debugf("Testing AES-CTR/%v", impl)
test_vectors := []struct {
key: string,
iv: string,
plaintext: string,
ciphertext: string,
} {
// http://nvlpubs.nist.gov/nistpubs/Legacy/SP/nistspecialpublication800-38a.pdf
{
"2b7e151628aed2a6abf7158809cf4f3c",
"f0f1f2f3f4f5f6f7f8f9fafbfcfdfeff",
"6bc1bee22e409f96e93d7e117393172aae2d8a571e03ac9c9eb76fac45af8e5130c81c46a35ce411e5fbc1191a0a52eff69f2445df4f9b17ad2b417be66c3710",
"874d6191b620e3261bef6864990db6ce9806f66b7970fdff8617187bb9fffdff5ae4df3edbd5d35e5b4f09020db03eab1e031dda2fbe03d1792170a0f3009cee",
},
{
"8e73b0f7da0e6452c810f32b809079e562f8ead2522c6b7b",
"f0f1f2f3f4f5f6f7f8f9fafbfcfdfeff",
"6bc1bee22e409f96e93d7e117393172aae2d8a571e03ac9c9eb76fac45af8e5130c81c46a35ce411e5fbc1191a0a52eff69f2445df4f9b17ad2b417be66c3710",
"1abc932417521ca24f2b0459fe7e6e0b090339ec0aa6faefd5ccc2c6f4ce8e941e36b26bd1ebc670d1bd1d665620abf74f78a7f6d29809585a97daec58c6b050",
},
{
"603deb1015ca71be2b73aef0857d77811f352c073b6108d72d9810a30914dff4",
"f0f1f2f3f4f5f6f7f8f9fafbfcfdfeff",
"6bc1bee22e409f96e93d7e117393172aae2d8a571e03ac9c9eb76fac45af8e5130c81c46a35ce411e5fbc1191a0a52eff69f2445df4f9b17ad2b417be66c3710",
"601ec313775789a5b7a7f504bbf3d228f443e3ca4d62b59aca84e990cacaf5c52b0930daa23de94ce87017ba2d84988ddfc9c58db67aada613c2dd08457941a6",
},
}
for v, _ in test_vectors {
key, _ := hex.decode(transmute([]byte)(v.key), context.temp_allocator)
iv, _ := hex.decode(transmute([]byte)(v.iv), context.temp_allocator)
plaintext, _ := hex.decode(transmute([]byte)(v.plaintext), context.temp_allocator)
ciphertext, _ := hex.decode(transmute([]byte)(v.ciphertext), context.temp_allocator)
dst := make([]byte, len(ciphertext), context.temp_allocator)
ctx: aes.Context_CTR
aes.init_ctr(&ctx, key, iv, impl)
aes.xor_bytes_ctr(&ctx, dst, plaintext)
dst_str := string(hex.encode(dst[:], context.temp_allocator))
testing.expectf(
t,
dst_str == v.ciphertext,
"AES-CTR/%v: Expected: %s for encrypt(%s, %s, %s), but got %s instead",
impl,
v.ciphertext,
v.key,
v.iv,
v.plaintext,
dst_str,
)
}
// Incrementally read 1, 2, 3, ..., 2048 bytes of keystream, and
// compare the SHA-512/256 digest with a known value. Results
// and testcase taken from a known good implementation.
tmp := make([]byte, 2048, context.temp_allocator)
ctx: aes.Context_CTR
key: [aes.KEY_SIZE_256]byte
iv: [aes.CTR_IV_SIZE]byte
aes.init_ctr(&ctx, key[:], iv[:], impl)
h_ctx: sha2.Context_512
sha2.init_512_256(&h_ctx)
for i := 1; i <= 2048; i = i + 1 {
aes.keystream_bytes_ctr(&ctx, tmp[:i])
sha2.update(&h_ctx, tmp[:i])
}
digest: [32]byte
sha2.final(&h_ctx, digest[:])
digest_str := string(hex.encode(digest[:], context.temp_allocator))
expected_digest_str := "b5ba4e7d6e3d1ff2bb54387fc1528573a6b351610ce7bcc80b00da089f4b1bf0"
testing.expectf(
t,
expected_digest_str == digest_str,
"AES-CTR/%v: Expected %s for keystream digest, but got %s instead",
impl,
expected_digest_str,
digest_str,
)
}
|
