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Add aes_ccm to provider

Browse source 
Add Cleanups for gcm - based on the changes to ccm.

Reviewed-by: Richard Levitte <levitte@openssl.org>
Reviewed-by: Patrick Steuer <patrick.steuer@de.ibm.com>
(Merged from https://github.com/openssl/openssl/pull/9280)
This commit is contained in:
Shane Lontis 2019-08-20 08:54:41 +10:00
parent 17860288cd
commit 3bfe9005e5
18 changed files with 1238 additions and 95 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

16
crypto/err/openssl.txt
View file

@ -547,15 +547,15 @@ EC_F_ECDH_COMPUTE_KEY:246:ECDH_compute_key
EC_F_ECDH_SIMPLE_COMPUTE_KEY:257:ecdh_simple_compute_key
EC_F_ECDSA_DO_SIGN_EX:251:ECDSA_do_sign_ex
EC_F_ECDSA_DO_VERIFY:252:ECDSA_do_verify
EC_F_ECDSA_S390X_NISTP_SIGN_SIG:313:ecdsa_s390x_nistp_sign_sig
EC_F_ECDSA_S390X_NISTP_VERIFY_SIG:314:ecdsa_s390x_nistp_verify_sig
EC_F_ECDSA_SIGN_EX:254:ECDSA_sign_ex
EC_F_ECDSA_SIGN_SETUP:248:ECDSA_sign_setup
EC_F_ECDSA_SIG_NEW:265:ECDSA_SIG_new
EC_F_ECDSA_VERIFY:253:ECDSA_verify
EC_F_ECDSA_SIMPLE_SIGN_SETUP:310:ecdsa_simple_sign_setup
EC_F_ECDSA_SIMPLE_SIGN_SIG:311:ecdsa_simple_sign_sig
EC_F_ECDSA_SIMPLE_VERIFY_SIG:312:ecdsa_simple_verify_sig
EC_F_ECDSA_S390X_NISTP_SIGN_SIG:313:ecdsa_s390x_nistp_sign_sig
EC_F_ECDSA_S390X_NISTP_VERIFY_SIG:314:ecdsa_s390x_nistp_verify_sig
EC_F_ECDSA_VERIFY:253:ECDSA_verify
EC_F_ECD_ITEM_VERIFY:270:ecd_item_verify
EC_F_ECKEY_PARAM2TYPE:223:eckey_param2type
EC_F_ECKEY_PARAM_DECODE:212:eckey_param_decode
@ -1150,12 +1150,12 @@ PROV_F_AESNI_INIT_KEY:101:aesni_init_key
PROV_F_AES_BLOCK_FINAL:102:aes_block_final
PROV_F_AES_BLOCK_UPDATE:103:aes_block_update
PROV_F_AES_CIPHER:104:aes_cipher
PROV_F_AES_GET_CTX_PARAMS:105:aes_get_ctx_params
PROV_F_AES_SET_CTX_PARAMS:106:aes_set_ctx_params
PROV_F_AES_DINIT:107:aes_dinit
PROV_F_AES_DUPCTX:108:aes_dupctx
PROV_F_AES_EINIT:109:aes_einit
PROV_F_AES_GET_CTX_PARAMS:105:aes_get_ctx_params
PROV_F_AES_INIT_KEY:110:aes_init_key
PROV_F_AES_SET_CTX_PARAMS:106:aes_set_ctx_params
PROV_F_AES_STREAM_UPDATE:111:aes_stream_update
PROV_F_AES_T4_INIT_KEY:112:aes_t4_init_key
PROV_F_BLAKE2_MAC_INIT:115:blake2_mac_init
@ -2712,13 +2712,19 @@ PROV_R_FAILED_TO_GET_PARAMETER:103:failed to get parameter
PROV_R_FAILED_TO_SET_PARAMETER:104:failed to set parameter
PROV_R_INVALID_AAD:108:invalid aad
PROV_R_INVALID_CUSTOM_LENGTH:111:invalid custom length
PROV_R_INVALID_DATA:115:invalid data
PROV_R_INVALID_IVLEN:116:invalid ivlen
PROV_R_INVALID_IV_LENGTH:109:invalid iv length
PROV_R_INVALID_KEYLEN:117:invalid keylen
PROV_R_INVALID_KEY_LENGTH:105:invalid key length
PROV_R_INVALID_SALT_LENGTH:112:invalid salt length
PROV_R_INVALID_TAG:110:invalid tag
PROV_R_INVALID_TAGLEN:118:invalid taglen
PROV_R_NOT_XOF_OR_INVALID_LENGTH:113:not xof or invalid length
PROV_R_NO_KEY_SET:114:no key set
PROV_R_OUTPUT_BUFFER_TOO_SMALL:106:output buffer too small
PROV_R_TAG_NOTSET:119:tag notset
PROV_R_TAG_NOT_NEEDED:120:tag not needed
PROV_R_WRONG_FINAL_BLOCK_LENGTH:107:wrong final block length
RAND_R_ADDITIONAL_INPUT_TOO_LONG:102:additional input too long
RAND_R_ALREADY_INSTANTIATED:103:already instantiated

6
crypto/evp/evp_enc.c
View file

@ -169,6 +169,12 @@ int EVP_CipherInit_ex(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher,
case NID_aria_256_gcm:
case NID_aria_192_gcm:
case NID_aria_128_gcm:
case NID_aes_256_ccm:
case NID_aes_192_ccm:
case NID_aes_128_ccm:
case NID_aria_256_ccm:
case NID_aria_192_ccm:
case NID_aria_128_ccm:
break;
default:
goto legacy;

4
crypto/modes/build.info
View file

@ -48,9 +48,9 @@ IF[{- !$disabled{asm} -}]
ENDIF
ENDIF
$COMMON=cbc128.c ctr128.c cfb128.c ofb128.c gcm128.c $MODESASM
$COMMON=cbc128.c ctr128.c cfb128.c ofb128.c gcm128.c ccm128.c $MODESASM
SOURCE[../../libcrypto]=$COMMON \
cts128.c ccm128.c xts128.c wrap128.c ocb128.c siv128.c
cts128.c xts128.c wrap128.c ocb128.c siv128.c
DEFINE[../../libcrypto]=$MODESDEF
SOURCE[../../providers/fips]=$COMMON
DEFINE[../../providers/fips]=$MODESDEF

1
providers/common/ciphers/aes.c
View file

@ -401,7 +401,6 @@ IMPLEMENT_cipher(ctr, CTR, 0, 256, 8, 128)
IMPLEMENT_cipher(ctr, CTR, 0, 192, 8, 128)
IMPLEMENT_cipher(ctr, CTR, 0, 128, 8, 128)
#define IMPLEMENT_funcs(mode, kbits, type) \
const OSSL_DISPATCH aes##kbits##mode##_functions[] = { \
{ OSSL_FUNC_CIPHER_NEWCTX, (void (*)(void))aes_##kbits##_##mode##_newctx },\

263
providers/common/ciphers/aes_ccm_s390x.c Normal file
View file

@ -0,0 +1,263 @@
/*
* Copyright 2001-2019 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#define S390X_CCM_AAD_FLAG 0x40
static int s390x_aes_ccm_init_key(PROV_CCM_CTX *ctx,
const unsigned char *key, size_t keylen)
{
PROV_AES_CCM_CTX *sctx = (PROV_AES_CCM_CTX *)ctx;
sctx->ccm.s390x.fc = S390X_AES_FC(keylen);
memcpy(&sctx->ccm.s390x.kmac.k, key, keylen);
/* Store encoded m and l. */
sctx->ccm.s390x.nonce.b[0] = ((ctx->l - 1) & 0x7)
| (((ctx->m - 2) >> 1) & 0x7) << 3;
memset(sctx->ccm.s390x.nonce.b + 1, 0, sizeof(sctx->ccm.s390x.nonce.b));
sctx->ccm.s390x.blocks = 0;
ctx->key_set = 1;
return 1;
}
static int s390x_aes_ccm_setiv(PROV_CCM_CTX *ctx,
const unsigned char *nonce, size_t noncelen,
size_t mlen)
{
PROV_AES_CCM_CTX *sctx = (PROV_AES_CCM_CTX *)ctx;
sctx->ccm.s390x.nonce.b[0] &= ~S390X_CCM_AAD_FLAG;
sctx->ccm.s390x.nonce.g[1] = mlen;
memcpy(sctx->ccm.s390x.nonce.b + 1, nonce, 15 - ctx->l);
return 1;
}
/*-
* Process additional authenticated data. Code is big-endian.
*/
static int s390x_aes_ccm_setaad(PROV_CCM_CTX *ctx,
const unsigned char *aad, size_t alen)
{
PROV_AES_CCM_CTX *sctx = (PROV_AES_CCM_CTX *)ctx;
unsigned char *ptr;
int i, rem;
if (!alen)
return 1;
sctx->ccm.s390x.nonce.b[0] |= S390X_CCM_AAD_FLAG;
/* Suppress 'type-punned pointer dereference' warning. */
ptr = sctx->ccm.s390x.buf.b;
if (alen < ((1 << 16) - (1 << 8))) {
*(uint16_t *)ptr = alen;
i = 2;
} else if (sizeof(alen) == 8
&& alen >= (size_t)1 << (32 % (sizeof(alen) * 8))) {
*(uint16_t *)ptr = 0xffff;
*(uint64_t *)(ptr + 2) = alen;
i = 10;
} else {
*(uint16_t *)ptr = 0xfffe;
*(uint32_t *)(ptr + 2) = alen;
i = 6;
}
while (i < 16 && alen) {
sctx->ccm.s390x.buf.b[i] = *aad;
++aad;
--alen;
++i;
}
while (i < 16) {
sctx->ccm.s390x.buf.b[i] = 0;
++i;
}
sctx->ccm.s390x.kmac.icv.g[0] = 0;
sctx->ccm.s390x.kmac.icv.g[1] = 0;
s390x_kmac(sctx->ccm.s390x.nonce.b, 32, sctx->ccm.s390x.fc,
&sctx->ccm.s390x.kmac);
sctx->ccm.s390x.blocks += 2;
rem = alen & 0xf;
alen &= ~(size_t)0xf;
if (alen) {
s390x_kmac(aad, alen, sctx->ccm.s390x.fc, &sctx->ccm.s390x.kmac);
sctx->ccm.s390x.blocks += alen >> 4;
aad += alen;
}
if (rem) {
for (i = 0; i < rem; i++)
sctx->ccm.s390x.kmac.icv.b[i] ^= aad[i];
s390x_km(sctx->ccm.s390x.kmac.icv.b, 16,
sctx->ccm.s390x.kmac.icv.b, sctx->ccm.s390x.fc,
sctx->ccm.s390x.kmac.k);
sctx->ccm.s390x.blocks++;
}
return 1;
}
/*-
* En/de-crypt plain/cipher-text. Compute tag from plaintext. Returns 1 for
* success.
*/
static int s390x_aes_ccm_auth_encdec(PROV_CCM_CTX *ctx,
const unsigned char *in,
unsigned char *out, size_t len, int enc)
{
PROV_AES_CCM_CTX *sctx = (PROV_AES_CCM_CTX *)ctx;
size_t n, rem;
unsigned int i, l, num;
unsigned char flags;
flags = sctx->ccm.s390x.nonce.b[0];
if (!(flags & S390X_CCM_AAD_FLAG)) {
s390x_km(sctx->ccm.s390x.nonce.b, 16, sctx->ccm.s390x.kmac.icv.b,
sctx->ccm.s390x.fc, sctx->ccm.s390x.kmac.k);
sctx->ccm.s390x.blocks++;
}
l = flags & 0x7;
sctx->ccm.s390x.nonce.b[0] = l;
/*-
* Reconstruct length from encoded length field
* and initialize it with counter value.
*/
n = 0;
for (i = 15 - l; i < 15; i++) {
n |= sctx->ccm.s390x.nonce.b[i];
sctx->ccm.s390x.nonce.b[i] = 0;
n <<= 8;
}
n |= sctx->ccm.s390x.nonce.b[15];
sctx->ccm.s390x.nonce.b[15] = 1;
if (n != len)
return 0; /* length mismatch */
if (enc) {
/* Two operations per block plus one for tag encryption */
sctx->ccm.s390x.blocks += (((len + 15) >> 4) << 1) + 1;
if (sctx->ccm.s390x.blocks > (1ULL << 61))
return 0; /* too much data */
}
num = 0;
rem = len & 0xf;
len &= ~(size_t)0xf;
if (enc) {
/* mac-then-encrypt */
if (len)
s390x_kmac(in, len, sctx->ccm.s390x.fc, &sctx->ccm.s390x.kmac);
if (rem) {
for (i = 0; i < rem; i++)
sctx->ccm.s390x.kmac.icv.b[i] ^= in[len + i];
s390x_km(sctx->ccm.s390x.kmac.icv.b, 16,
sctx->ccm.s390x.kmac.icv.b,
sctx->ccm.s390x.fc, sctx->ccm.s390x.kmac.k);
}
CRYPTO_ctr128_encrypt_ctr32(in, out, len + rem, &sctx->ccm.ks.ks,
sctx->ccm.s390x.nonce.b, sctx->ccm.s390x.buf.b,
&num, (ctr128_f)AES_ctr32_encrypt);
} else {
/* decrypt-then-mac */
CRYPTO_ctr128_encrypt_ctr32(in, out, len + rem, &sctx->ccm.ks.ks,
sctx->ccm.s390x.nonce.b, sctx->ccm.s390x.buf.b,
&num, (ctr128_f)AES_ctr32_encrypt);
if (len)
s390x_kmac(out, len, sctx->ccm.s390x.fc, &sctx->ccm.s390x.kmac);
if (rem) {
for (i = 0; i < rem; i++)
sctx->ccm.s390x.kmac.icv.b[i] ^= out[len + i];
s390x_km(sctx->ccm.s390x.kmac.icv.b, 16,
sctx->ccm.s390x.kmac.icv.b,
sctx->ccm.s390x.fc, sctx->ccm.s390x.kmac.k);
}
}
/* encrypt tag */
for (i = 15 - l; i < 16; i++)
sctx->ccm.s390x.nonce.b[i] = 0;
s390x_km(sctx->ccm.s390x.nonce.b, 16, sctx->ccm.s390x.buf.b,
sctx->ccm.s390x.fc, sctx->ccm.s390x.kmac.k);
sctx->ccm.s390x.kmac.icv.g[0] ^= sctx->ccm.s390x.buf.g[0];
sctx->ccm.s390x.kmac.icv.g[1] ^= sctx->ccm.s390x.buf.g[1];
sctx->ccm.s390x.nonce.b[0] = flags; /* restore flags field */
return 1;
}
static int s390x_aes_ccm_gettag(PROV_CCM_CTX *ctx,
unsigned char *tag, size_t tlen)
{
PROV_AES_CCM_CTX *sctx = (PROV_AES_CCM_CTX *)ctx;
if (tlen > ctx->m)
return 0;
memcpy(tag, sctx->ccm.s390x.kmac.icv.b, tlen);
return 1;
}
static int s390x_aes_ccm_auth_encrypt(PROV_CCM_CTX *ctx,
const unsigned char *in,
unsigned char *out, size_t len,
unsigned char *tag, size_t taglen)
{
int rv;
rv = s390x_aes_ccm_auth_encdec(ctx, in, out, len, 1);
if (rv && tag != NULL)
rv = s390x_aes_ccm_gettag(ctx, tag, taglen);
return rv;
}
static int s390x_aes_ccm_auth_decrypt(PROV_CCM_CTX *ctx,
const unsigned char *in,
unsigned char *out, size_t len,
unsigned char *expected_tag,
size_t taglen)
{
int rv = 0;
PROV_AES_CCM_CTX *sctx = (PROV_AES_CCM_CTX *)ctx;
rv = s390x_aes_ccm_auth_encdec(ctx, in, out, len, 0);
if (rv) {
if (CRYPTO_memcmp(sctx->ccm.s390x.kmac.icv.b, expected_tag, ctx->m) != 0)
rv = 0;
}
if (rv == 0)
OPENSSL_cleanse(out, len);
return rv;
}
static const PROV_CCM_HW s390x_aes_ccm = {
s390x_aes_ccm_init_key,
s390x_aes_ccm_setiv,
s390x_aes_ccm_setaad,
s390x_aes_ccm_auth_encrypt,
s390x_aes_ccm_auth_decrypt,
s390x_aes_ccm_gettag
};
const PROV_CCM_HW *PROV_AES_HW_ccm(size_t keybits)
{
if ((keybits == 128 && S390X_aes_128_ccm_CAPABLE)
|| (keybits == 192 && S390X_aes_192_ccm_CAPABLE)
|| (keybits == 256 && S390X_aes_256_ccm_CAPABLE))
return &s390x_aes_ccm;
return &aes_ccm;
}

4
providers/common/ciphers/build.info
View file

@ -1,5 +1,7 @@
LIBS=../../../libcrypto
$COMMON=block.c aes.c aes_basic.c gcm.c gcm_hw.c ciphers_common.c
$COMMON=block.c aes.c aes_basic.c gcm.c gcm_hw.c ciphers_common.c \
ccm.c ccm_hw.c
SOURCE[../../../libcrypto]=$COMMON
INCLUDE[../../../libcrypto]=. ../../../crypto

486
providers/common/ciphers/ccm.c Normal file
View file

@ -0,0 +1,486 @@
/*
* Copyright 2019 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#include <openssl/core_numbers.h>
#include <openssl/core_names.h>
#include <openssl/evp.h>
#include <openssl/params.h>
#include "internal/provider_algs.h"
#include "internal/providercommonerr.h"
#include "ciphers_locl.h"
/* TODO(3.0) Figure out what flags are really needed here */
#define CCM_FLAGS (EVP_CIPH_FLAG_AEAD_CIPHER | EVP_CIPH_FLAG_DEFAULT_ASN1 \
| EVP_CIPH_CUSTOM_IV | EVP_CIPH_FLAG_CUSTOM_CIPHER \
| EVP_CIPH_ALWAYS_CALL_INIT | EVP_CIPH_CTRL_INIT \
| EVP_CIPH_CUSTOM_COPY)
static OSSL_OP_cipher_encrypt_init_fn ccm_einit;
static OSSL_OP_cipher_decrypt_init_fn ccm_dinit;
static OSSL_OP_cipher_get_ctx_params_fn ccm_get_ctx_params;
static OSSL_OP_cipher_set_ctx_params_fn ccm_set_ctx_params;
static OSSL_OP_cipher_update_fn ccm_stream_update;
static OSSL_OP_cipher_final_fn ccm_stream_final;
static OSSL_OP_cipher_cipher_fn ccm_cipher;
static int ccm_cipher_internal(PROV_CCM_CTX *ctx, unsigned char *out,
size_t *padlen, const unsigned char *in,
size_t len);
static int ccm_tls_init(PROV_CCM_CTX *ctx, unsigned char *aad, size_t alen)
{
size_t len;
if (alen != EVP_AEAD_TLS1_AAD_LEN)
return 0;
/* Save the aad for later use. */
memcpy(ctx->buf, aad, alen);
ctx->tls_aad_len = alen;
len = ctx->buf[alen - 2] << 8 | ctx->buf[alen - 1];
if (len < EVP_CCM_TLS_EXPLICIT_IV_LEN)
return 0;
/* Correct length for explicit iv. */
len -= EVP_CCM_TLS_EXPLICIT_IV_LEN;
if (!ctx->enc) {
if (len < ctx->m)
return 0;
/* Correct length for tag. */
len -= ctx->m;
}
ctx->buf[alen - 2] = (unsigned char)(len >> 8);
ctx->buf[alen - 1] = (unsigned char)(len & 0xff);
/* Extra padding: tag appended to record. */
return ctx->m;
}
static int ccm_tls_iv_set_fixed(PROV_CCM_CTX *ctx, unsigned char *fixed,
size_t flen)
{
if (flen != EVP_CCM_TLS_FIXED_IV_LEN)
return 0;
/* Copy to first part of the iv. */
memcpy(ctx->iv, fixed, flen);
return 1;
}
static size_t ccm_get_ivlen(PROV_CCM_CTX *ctx)
{
return 15 - ctx->l;
}
static int ccm_set_ctx_params(void *vctx, const OSSL_PARAM params[])
{
PROV_CCM_CTX *ctx = (PROV_CCM_CTX *)vctx;
const OSSL_PARAM *p;
size_t sz;
p = OSSL_PARAM_locate_const(params, OSSL_CIPHER_PARAM_AEAD_TAG);
if (p != NULL) {
if (p->data_type != OSSL_PARAM_OCTET_STRING) {
ERR_raise(ERR_LIB_PROV, PROV_R_FAILED_TO_GET_PARAMETER);
return 0;
}
if ((p->data_size & 1) || (p->data_size < 4) || p->data_size > 16) {
ERR_raise(ERR_LIB_PROV, PROV_R_INVALID_TAGLEN);
return 0;
}
if (p->data != NULL) {
if (ctx->enc) {
ERR_raise(ERR_LIB_PROV, PROV_R_TAG_NOT_NEEDED);
return 0;
}
memcpy(ctx->buf, p->data, p->data_size);
ctx->tag_set = 1;
}
ctx->m = p->data_size;
}
p = OSSL_PARAM_locate_const(params, OSSL_CIPHER_PARAM_AEAD_IVLEN);
if (p != NULL) {
size_t ivlen;
if (!OSSL_PARAM_get_size_t(p, &sz)) {
ERR_raise(ERR_LIB_PROV, PROV_R_FAILED_TO_GET_PARAMETER);
return 0;
}
ivlen = 15 - sz;
if (ivlen < 2 || ivlen > 8) {
ERR_raise(ERR_LIB_PROV, PROV_R_INVALID_IVLEN);
return 0;
}
ctx->l = ivlen;
}
p = OSSL_PARAM_locate_const(params, OSSL_CIPHER_PARAM_AEAD_TLS1_AAD);
if (p != NULL) {
if (p->data_type != OSSL_PARAM_OCTET_STRING) {
ERR_raise(ERR_LIB_PROV, PROV_R_FAILED_TO_GET_PARAMETER);
return 0;
}
sz = ccm_tls_init(ctx, p->data, p->data_size);
if (sz == 0) {
ERR_raise(ERR_LIB_PROV, PROV_R_INVALID_DATA);
return 0;
}
ctx->tls_aad_pad_sz = sz;
}
p = OSSL_PARAM_locate_const(params, OSSL_CIPHER_PARAM_AEAD_TLS1_IV_FIXED);
if (p != NULL) {
if (p->data_type != OSSL_PARAM_OCTET_STRING) {
ERR_raise(ERR_LIB_PROV, PROV_R_FAILED_TO_GET_PARAMETER);
return 0;
}
if (ccm_tls_iv_set_fixed(ctx, p->data, p->data_size) == 0) {
ERR_raise(ERR_LIB_PROV, PROV_R_INVALID_IVLEN);
return 0;
}
}
return 1;
}
static int ccm_get_ctx_params(void *vctx, OSSL_PARAM params[])
{
PROV_CCM_CTX *ctx = (PROV_CCM_CTX *)vctx;
OSSL_PARAM *p;
p = OSSL_PARAM_locate(params, OSSL_CIPHER_PARAM_IVLEN);
if (p != NULL && !OSSL_PARAM_set_int(p, ccm_get_ivlen(ctx))) {
ERR_raise(ERR_LIB_PROV, PROV_R_FAILED_TO_SET_PARAMETER);
return 0;
}
p = OSSL_PARAM_locate(params, OSSL_CIPHER_PARAM_IV);
if (p != NULL) {
if (ccm_get_ivlen(ctx) != p->data_size) {
ERR_raise(ERR_LIB_PROV, PROV_R_INVALID_IVLEN);
return 0;
}
if (!OSSL_PARAM_set_octet_string(p, ctx->iv, p->data_size)) {
ERR_raise(ERR_LIB_PROV, PROV_R_FAILED_TO_SET_PARAMETER);
return 0;
}
}
p = OSSL_PARAM_locate(params, OSSL_CIPHER_PARAM_KEYLEN);
if (p != NULL && !OSSL_PARAM_set_int(p, ctx->keylen)) {
ERR_raise(ERR_LIB_PROV, PROV_R_FAILED_TO_SET_PARAMETER);
return 0;
}
p = OSSL_PARAM_locate(params, OSSL_CIPHER_PARAM_AEAD_TLS1_AAD_PAD);
if (p != NULL && !OSSL_PARAM_set_size_t(p, ctx->tls_aad_pad_sz)) {
ERR_raise(ERR_LIB_PROV, PROV_R_FAILED_TO_SET_PARAMETER);
return 0;
}
p = OSSL_PARAM_locate(params, OSSL_CIPHER_PARAM_AEAD_TAG);
if (p != NULL) {
if (!ctx->enc || !ctx->tag_set) {
ERR_raise(ERR_LIB_PROV, PROV_R_TAG_NOTSET);
return 0;
}
if (p->data_type != OSSL_PARAM_OCTET_STRING) {
ERR_raise(ERR_LIB_PROV, PROV_R_FAILED_TO_SET_PARAMETER);
return 0;
}
if (!ctx->hw->gettag(ctx, p->data, p->data_size))
return 0;
ctx->tag_set = 0;
ctx->iv_set = 0;
ctx->len_set = 0;
}
return 1;
}
static int ccm_init(void *vctx, const unsigned char *key, size_t keylen,
const unsigned char *iv, size_t ivlen, int enc)
{
PROV_CCM_CTX *ctx = (PROV_CCM_CTX *)vctx;
ctx->enc = enc;
if (iv != NULL) {
if (ivlen != ccm_get_ivlen(ctx)) {
ERR_raise(ERR_LIB_PROV, PROV_R_INVALID_IVLEN);
return 0;
}
memcpy(ctx->iv, iv, ivlen);
ctx->iv_set = 1;
}
if (key != NULL) {
if (keylen != ctx->keylen) {
ERR_raise(ERR_LIB_PROV, PROV_R_INVALID_KEYLEN);
return 0;
}
return ctx->hw->setkey(ctx, key, keylen);
}
return 1;
}
static int ccm_einit(void *vctx, const unsigned char *key, size_t keylen,
const unsigned char *iv, size_t ivlen)
{
return ccm_init(vctx, key, keylen, iv, ivlen, 1);
}
static int ccm_dinit(void *vctx, const unsigned char *key, size_t keylen,
const unsigned char *iv, size_t ivlen)
{
return ccm_init(vctx, key, keylen, iv, ivlen, 0);
}
static int ccm_stream_update(void *vctx, unsigned char *out, size_t *outl,
size_t outsize, const unsigned char *in,
size_t inl)
{
PROV_CCM_CTX *ctx = (PROV_CCM_CTX *)vctx;
if (outsize < inl) {
ERR_raise(ERR_LIB_PROV, PROV_R_OUTPUT_BUFFER_TOO_SMALL);
return 0;
}
if (!ccm_cipher_internal(ctx, out, outl, in, inl)) {
ERR_raise(ERR_LIB_PROV, PROV_R_CIPHER_OPERATION_FAILED);
return 0;
}
return 1;
}
static int ccm_stream_final(void *vctx, unsigned char *out, size_t *outl,
size_t outsize)
{
PROV_CCM_CTX *ctx = (PROV_CCM_CTX *)vctx;
int i;
i = ccm_cipher_internal(ctx, out, outl, NULL, 0);
if (i <= 0)
return 0;
*outl = 0;
return 1;
}
static int ccm_cipher(void *vctx,
unsigned char *out, size_t *outl, size_t outsize,
const unsigned char *in, size_t inl)
{
PROV_CCM_CTX *ctx = (PROV_CCM_CTX *)vctx;
if (outsize < inl) {
ERR_raise(ERR_LIB_PROV, PROV_R_OUTPUT_BUFFER_TOO_SMALL);
return -1;
}
if (ccm_cipher_internal(ctx, out, outl, in, inl) <= 0)
return -1;
*outl = inl;
return 1;
}
/* Copy the buffered iv */
static int ccm_set_iv(PROV_CCM_CTX *ctx, size_t mlen)
{
const PROV_CCM_HW *hw = ctx->hw;
if (!hw->setiv(ctx, ctx->iv, ccm_get_ivlen(ctx), mlen))
return 0;
ctx->len_set = 1;
return 1;
}
static int ccm_tls_cipher(PROV_CCM_CTX *ctx,
unsigned char *out, size_t *padlen,
const unsigned char *in, size_t len)
{
int rv = 0;
size_t olen = 0;
/* Encrypt/decrypt must be performed in place */
if (out != in || len < (EVP_CCM_TLS_EXPLICIT_IV_LEN + (size_t)ctx->m))
goto err;
/* If encrypting set explicit IV from sequence number (start of AAD) */
if (ctx->enc)
memcpy(out, ctx->buf, EVP_CCM_TLS_EXPLICIT_IV_LEN);
/* Get rest of IV from explicit IV */
memcpy(ctx->iv + EVP_CCM_TLS_FIXED_IV_LEN, in, EVP_CCM_TLS_EXPLICIT_IV_LEN);
/* Correct length value */
len -= EVP_CCM_TLS_EXPLICIT_IV_LEN + ctx->m;
if (!ccm_set_iv(ctx, len))
goto err;
/* Use saved AAD */
if (!ctx->hw->setaad(ctx, ctx->buf, ctx->tls_aad_len))
goto err;
/* Fix buffer to point to payload */
in += EVP_CCM_TLS_EXPLICIT_IV_LEN;
out += EVP_CCM_TLS_EXPLICIT_IV_LEN;
if (ctx->enc) {
if (!ctx->hw->auth_encrypt(ctx, in, out, len, out + len, ctx->m))
goto err;
olen = len + EVP_CCM_TLS_EXPLICIT_IV_LEN + ctx->m;
} else {
if (!ctx->hw->auth_decrypt(ctx, in, out, len,
(unsigned char *)in + len, ctx->m))
goto err;
olen = len;
}
rv = 1;
err:
*padlen = olen;
return rv;
}
static int ccm_cipher_internal(PROV_CCM_CTX *ctx, unsigned char *out,
size_t *padlen, const unsigned char *in,
size_t len)
{
int rv = 0;
size_t olen = 0;
const PROV_CCM_HW *hw = ctx->hw;
/* If no key set, return error */
if (!ctx->key_set)
return 0;
if (ctx->tls_aad_len >= 0)
return ccm_tls_cipher(ctx, out, padlen, in, len);
/* EVP_*Final() doesn't return any data */
if (in == NULL && out != NULL)
return 1;
if (!ctx->iv_set)
goto err;
if (out == NULL) {
if (in == NULL) {
if (!ccm_set_iv(ctx, len))
goto err;
} else {
/* If we have AAD, we need a message length */
if (!ctx->len_set && len)
goto err;
if (!hw->setaad(ctx, in, len))
goto err;
}
} else {
/* If not set length yet do it */
if (!ctx->len_set && !ccm_set_iv(ctx, len))
goto err;
if (ctx->enc) {
if (!hw->auth_encrypt(ctx, in, out, len, NULL, 0))
goto err;
ctx->tag_set = 1;
} else {
/* The tag must be set before actually decrypting data */
if (!ctx->tag_set)
goto err;
if (!hw->auth_decrypt(ctx, in, out, len, ctx->buf, ctx->m))
goto err;
/* Finished - reset flags so calling this method again will fail */
ctx->iv_set = 0;
ctx->tag_set = 0;
ctx->len_set = 0;
}
}
olen = len;
rv = 1;
err:
*padlen = olen;
return rv;
}
static void ccm_initctx(PROV_CCM_CTX *ctx, size_t keybits,
const PROV_CCM_HW *hw)
{
ctx->keylen = keybits / 8;
ctx->key_set = 0;
ctx->iv_set = 0;
ctx->tag_set = 0;
ctx->len_set = 0;
ctx->l = 8;
ctx->m = 12;
ctx->tls_aad_len = -1;
ctx->hw = hw;
}
static void ccm_finalctx(PROV_CCM_CTX *ctx)
{
OPENSSL_cleanse(ctx->iv, sizeof(ctx->iv));
}
/*- Algorithm specific methods for CCM mode */
static void *aes_ccm_newctx(void *provctx, size_t keybits)
{
PROV_AES_CCM_CTX *ctx = OPENSSL_zalloc(sizeof(*ctx));
ccm_initctx(&ctx->base, keybits, PROV_AES_HW_ccm(keybits));
return ctx;
}
static OSSL_OP_cipher_freectx_fn aes_ccm_freectx;
static void aes_ccm_freectx(void *vctx)
{
PROV_AES_CCM_CTX *ctx = (PROV_AES_CCM_CTX *)vctx;
ccm_finalctx((PROV_CCM_CTX *)ctx);
OPENSSL_clear_free(ctx, sizeof(*ctx));
}
/*- CCM Dispatch macros */
/* aes128ccm_functions */
IMPLEMENT_aead_cipher(aes, ccm, CCM, CCM_FLAGS, 128, 8, 96);
/* aes192ccm_functions */
IMPLEMENT_aead_cipher(aes, ccm, CCM, CCM_FLAGS, 192, 8, 96);
/* aes256ccm_functions */
IMPLEMENT_aead_cipher(aes, ccm, CCM, CCM_FLAGS, 256, 8, 96);
#if !defined(OPENSSL_NO_ARIA) && !defined(FIPS_MODE)
static void *aria_ccm_newctx(void *provctx, size_t keybits)
{
PROV_ARIA_CCM_CTX *ctx = OPENSSL_zalloc(sizeof(*ctx));
ccm_initctx(&ctx->base, keybits, PROV_ARIA_HW_ccm(keybits));
return ctx;
}
static OSSL_OP_cipher_freectx_fn aria_ccm_freectx;
static void aria_ccm_freectx(void *vctx)
{
PROV_ARIA_CCM_CTX *ctx = (PROV_ARIA_CCM_CTX *)vctx;
ccm_finalctx((PROV_CCM_CTX *)ctx);
OPENSSL_clear_free(ctx, sizeof(*ctx));
}
/* aria128ccm functions */
IMPLEMENT_aead_cipher(aria, ccm, CCM, CCM_FLAGS, 128, 8, 96);
/* aria192ccm functions */
IMPLEMENT_aead_cipher(aria, ccm, CCM, CCM_FLAGS, 192, 8, 96);
/* aria256ccm functions */
IMPLEMENT_aead_cipher(aria, ccm, CCM, CCM_FLAGS, 256, 8, 96);
#endif /* !defined(OPENSSL_NO_ARIA) && !defined(FIPS_MODE) */

199
providers/common/ciphers/ccm_hw.c Normal file
View file

@ -0,0 +1,199 @@
/*
* Copyright 2019 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#include <openssl/opensslconf.h>
#include "ciphers_locl.h"
#include "internal/aes_platform.h"
#define AES_CCM_SET_KEY_FN(fn_set_enc_key, fn_blk, fn_ccm_enc, fn_ccm_dec) \
fn_set_enc_key(key, keylen * 8, &actx->ccm.ks.ks); \
CRYPTO_ccm128_init(&ctx->ccm_ctx, ctx->m, ctx->l, &actx->ccm.ks.ks, \
(block128_f)fn_blk); \
ctx->str = ctx->enc ? (ccm128_f)fn_ccm_enc : (ccm128_f)fn_ccm_dec; \
ctx->key_set = 1;
static int ccm_generic_aes_init_key(PROV_CCM_CTX *ctx,
const unsigned char *key, size_t keylen)
{
PROV_AES_CCM_CTX *actx = (PROV_AES_CCM_CTX *)ctx;
#ifdef HWAES_CAPABLE
if (HWAES_CAPABLE) {
AES_CCM_SET_KEY_FN(HWAES_set_encrypt_key, HWAES_encrypt, NULL, NULL);
} else
#endif /* HWAES_CAPABLE */
#ifdef VPAES_CAPABLE
if (VPAES_CAPABLE) {
AES_CCM_SET_KEY_FN(vpaes_set_encrypt_key, vpaes_encrypt, NULL, NULL);
} else
#endif
{
AES_CCM_SET_KEY_FN(AES_set_encrypt_key, AES_encrypt, NULL, NULL)
}
return 1;
}
static int ccm_generic_setiv(PROV_CCM_CTX *ctx, const unsigned char *nonce,
size_t nlen, size_t mlen)
{
return CRYPTO_ccm128_setiv(&ctx->ccm_ctx, nonce, nlen, mlen) == 0;
}
static int ccm_generic_setaad(PROV_CCM_CTX *ctx, const unsigned char *aad,
size_t alen)
{
CRYPTO_ccm128_aad(&ctx->ccm_ctx, aad, alen);
return 1;
}
static int ccm_generic_gettag(PROV_CCM_CTX *ctx, unsigned char *tag,
size_t tlen)
{
return CRYPTO_ccm128_tag(&ctx->ccm_ctx, tag, tlen) > 0;
}
static int ccm_generic_auth_encrypt(PROV_CCM_CTX *ctx, const unsigned char *in,
unsigned char *out, size_t len,
unsigned char *tag, size_t taglen)
{
int rv;
if (ctx->str != NULL)
rv = CRYPTO_ccm128_encrypt_ccm64(&ctx->ccm_ctx, in,
out, len, ctx->str) == 0;
else
rv = CRYPTO_ccm128_encrypt(&ctx->ccm_ctx, in, out, len) == 0;
if (rv == 1 && tag != NULL)
rv = (CRYPTO_ccm128_tag(&ctx->ccm_ctx, tag, taglen) > 0);
return rv;
}
static int ccm_generic_auth_decrypt(PROV_CCM_CTX *ctx, const unsigned char *in,
unsigned char *out, size_t len,
unsigned char *expected_tag,
size_t taglen)
{
int rv = 0;
if (ctx->str != NULL)
rv = CRYPTO_ccm128_decrypt_ccm64(&ctx->ccm_ctx, in, out, len,
ctx->str) == 0;
else
rv = CRYPTO_ccm128_decrypt(&ctx->ccm_ctx, in, out, len) == 0;
if (rv) {
unsigned char tag[16];
if (!CRYPTO_ccm128_tag(&ctx->ccm_ctx, tag, taglen)
|| CRYPTO_memcmp(tag, expected_tag, taglen) != 0)
rv = 0;
}
if (rv == 0)
OPENSSL_cleanse(out, len);
return rv;
}
static const PROV_CCM_HW aes_ccm = {
ccm_generic_aes_init_key,
ccm_generic_setiv,
ccm_generic_setaad,
ccm_generic_auth_encrypt,
ccm_generic_auth_decrypt,
ccm_generic_gettag
};
#if defined(S390X_aes_128_CAPABLE)
# include "aes_ccm_s390x.c"
#elif defined(AESNI_CAPABLE)
/* AES-NI section */
static int ccm_aesni_init_key(PROV_CCM_CTX *ctx,
const unsigned char *key, size_t keylen)
{
PROV_AES_CCM_CTX *actx = (PROV_AES_CCM_CTX *)ctx;
AES_CCM_SET_KEY_FN(aesni_set_encrypt_key, aesni_encrypt,
aesni_ccm64_encrypt_blocks, aesni_ccm64_decrypt_blocks);
return 1;
}
static const PROV_CCM_HW aesni_ccm = {
ccm_aesni_init_key,
ccm_generic_setiv,
ccm_generic_setaad,
ccm_generic_auth_encrypt,
ccm_generic_auth_decrypt,
ccm_generic_gettag
};
const PROV_CCM_HW *PROV_AES_HW_ccm(size_t keybits)
{
return AESNI_CAPABLE ? &aesni_ccm : &aes_ccm;
}
#elif defined(SPARC_AES_CAPABLE)
/* Fujitsu SPARC64 X support */
static int ccm_t4_aes_init_key(PROV_CCM_CTX *ctx,
const unsigned char *key, size_t keylen)
{
PROV_AES_CCM_CTX *actx = (PROV_AES_CCM_CTX *)ctx;
AES_CCM_SET_KEY_FN(aes_t4_set_encrypt_key, aes_t4_encrypt, NULL, NULL);
return 1;
}
static const PROV_CCM_HW t4_aes_ccm = {
ccm_t4_aes_init_key,
ccm_generic_setiv,
ccm_generic_setaad,
ccm_generic_auth_encrypt,
ccm_generic_auth_decrypt,
ccm_generic_gettag
};
const PROV_CCM_HW *PROV_AES_HW_ccm(size_t keybits)
{
return SPARC_AES_CAPABLE ? &t4_aes_ccm : &aes_ccm;
}
#else
const PROV_CCM_HW *PROV_AES_HW_ccm(size_t keybits)
{
return &aes_ccm;
}
#endif
#if !defined(OPENSSL_NO_ARIA) && !defined(FIPS_MODE)
/* ARIA CCM Algorithm specific methods */
static int ccm_aria_init_key(PROV_CCM_CTX *ctx,
const unsigned char *key, size_t keylen)
{
PROV_ARIA_CCM_CTX *actx = (PROV_ARIA_CCM_CTX *)ctx;
aria_set_encrypt_key(key, keylen * 8, &actx->ks.ks);
CRYPTO_ccm128_init(&ctx->ccm_ctx, ctx->m, ctx->l, &actx->ks.ks,
(block128_f)aria_encrypt);
ctx->str = NULL;
ctx->key_set = 1;
return 1;
}
static const PROV_CCM_HW ccm_aria = {
ccm_aria_init_key,
ccm_generic_setiv,
ccm_generic_setaad,
ccm_generic_auth_encrypt,
ccm_generic_auth_decrypt,
ccm_generic_gettag
};
const PROV_CCM_HW *PROV_ARIA_HW_ccm(size_t keybits)
{
return &ccm_aria;
}
#endif /* OPENSSL_NO_ARIA */

125
providers/common/ciphers/ciphers_ccm.h Normal file
View file

@ -0,0 +1,125 @@
/*
* Copyright 2019 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
typedef struct prov_ccm_hw_st PROV_CCM_HW;
#if defined(OPENSSL_CPUID_OBJ) && defined(__s390__)
/*-
* KMAC-AES parameter block - begin
* (see z/Architecture Principles of Operation >= SA22-7832-08)
*/
typedef struct S390X_kmac_params_st {
union {
unsigned long long g[2];
unsigned char b[16];
} icv;
unsigned char k[32];
} S390X_KMAC_PARAMS;
/* KMAC-AES parameter block - end */
#endif
/* Base structure that is shared by AES & ARIA for CCM MODE */
typedef struct prov_ccm_st {
int enc;
int key_set; /* Set if key initialised */
int iv_set; /* Set if an iv is set */
int tag_set; /* Set if tag is valid */
int len_set; /* Set if message length set */
size_t l, m; /* L and M parameters from RFC3610 */
size_t keylen;
int tls_aad_len; /* TLS AAD length */
int tls_aad_pad_sz;
unsigned char iv[AES_BLOCK_SIZE];
unsigned char buf[AES_BLOCK_SIZE];
CCM128_CONTEXT ccm_ctx;
ccm128_f str;
const PROV_CCM_HW *hw; /* hardware specific methods */
} PROV_CCM_CTX;
typedef struct prov_aes_ccm_ctx_st {
PROV_CCM_CTX base; /* Must be first */
union {
OSSL_UNION_ALIGN;
/*-
* Padding is chosen so that s390x.kmac.k overlaps with ks.ks and
* fc with ks.ks.rounds. Remember that on s390x, an AES_KEY's
* rounds field is used to store the function code and that the key
* schedule is not stored (if aes hardware support is detected).
*/
struct {
unsigned char pad[16];
AES_KEY ks;
} ks;
#if defined(OPENSSL_CPUID_OBJ) && defined(__s390__)
struct {
S390X_KMAC_PARAMS kmac;
unsigned long long blocks;
union {
unsigned long long g[2];
unsigned char b[AES_BLOCK_SIZE];
} nonce;
union {
unsigned long long g[2];
unsigned char b[AES_BLOCK_SIZE];
} buf;
unsigned char dummy_pad[168];
unsigned int fc; /* fc has same offset as ks.ks.rounds */
} s390x;
#endif /* defined(OPENSSL_CPUID_OBJ) && defined(__s390__) */
} ccm;
} PROV_AES_CCM_CTX;
PROV_CIPHER_FUNC(int, CCM_cipher, (PROV_CCM_CTX *ctx, unsigned char *out, \
size_t *padlen, const unsigned char *in, \
size_t len));
PROV_CIPHER_FUNC(int, CCM_setkey, (PROV_CCM_CTX *ctx, \
const unsigned char *key, size_t keylen));
PROV_CIPHER_FUNC(int, CCM_setiv, (PROV_CCM_CTX *dat, \
const unsigned char *iv, size_t ivlen, \
size_t mlen));
PROV_CIPHER_FUNC(int, CCM_setaad, (PROV_CCM_CTX *ctx, \
const unsigned char *aad, size_t aadlen));
PROV_CIPHER_FUNC(int, CCM_auth_encrypt, (PROV_CCM_CTX *ctx, \
const unsigned char *in, \
unsigned char *out, size_t len, \
unsigned char *tag, size_t taglen));
PROV_CIPHER_FUNC(int, CCM_auth_decrypt, (PROV_CCM_CTX *ctx, \
const unsigned char *in, \
unsigned char *out, size_t len, \
unsigned char *tag, size_t taglen));
PROV_CIPHER_FUNC(int, CCM_gettag, (PROV_CCM_CTX *ctx, \
unsigned char *tag, size_t taglen));
/*
* CCM Mode internal method table used to handle hardware specific differences,
* (and different algorithms).
*/
struct prov_ccm_hw_st {
OSSL_CCM_setkey_fn setkey;
OSSL_CCM_setiv_fn setiv;
OSSL_CCM_setaad_fn setaad;
OSSL_CCM_auth_encrypt_fn auth_encrypt;
OSSL_CCM_auth_decrypt_fn auth_decrypt;
OSSL_CCM_gettag_fn gettag;
};
const PROV_CCM_HW *PROV_AES_HW_ccm(size_t keylen);
#if !defined(OPENSSL_NO_ARIA) && !defined(FIPS_MODE)
# include "internal/aria.h"
typedef struct prov_aria_ccm_ctx_st {
PROV_CCM_CTX base; /* Must be first */
union {
OSSL_UNION_ALIGN;
ARIA_KEY ks;
} ks; /* ARIA key schedule to use */
} PROV_ARIA_CCM_CTX;
const PROV_CCM_HW *PROV_ARIA_HW_ccm(size_t keylen);
#endif /* !defined(OPENSSL_NO_ARIA) && !defined(FIPS_MODE) */

40
providers/common/ciphers/ciphers_gcm.h
View file

@ -16,6 +16,34 @@ typedef struct prov_gcm_hw_st PROV_GCM_HW;
#define GCM_IV_MAX_SIZE 64
#define GCM_TAG_MAX_SIZE 16
#if defined(OPENSSL_CPUID_OBJ) && defined(__s390__)
/*-
* KMA-GCM-AES parameter block - begin
* (see z/Architecture Principles of Operation >= SA22-7832-11)
*/
typedef struct S390X_kma_params_st {
unsigned char reserved[12];
union {
unsigned int w;
unsigned char b[4];
} cv; /* 32 bit counter value */
union {
unsigned long long g[2];
unsigned char b[16];
} t; /* tag */
unsigned char h[16]; /* hash subkey */
unsigned long long taadl; /* total AAD length */
unsigned long long tpcl; /* total plaintxt/ciphertxt len */
union {
unsigned long long g[2];
unsigned int w[4];
} j0; /* initial counter value */
unsigned char k[32]; /* key */
} S390X_KMA_PARAMS;
#endif
typedef struct prov_gcm_ctx_st {
int enc; /* Set to 1 if we are encrypting or 0 otherwise */
int mode; /* The mode that we are using */
@ -80,17 +108,17 @@ typedef struct prov_aes_gcm_ctx_st {
} plat;
} PROV_AES_GCM_CTX;
OSSL_CIPHER_FUNC(int, GCM_setkey, (PROV_GCM_CTX *ctx, const unsigned char *key,
PROV_CIPHER_FUNC(int, GCM_setkey, (PROV_GCM_CTX *ctx, const unsigned char *key,
size_t keylen));
OSSL_CIPHER_FUNC(int, GCM_setiv, (PROV_GCM_CTX *dat, const unsigned char *iv,
PROV_CIPHER_FUNC(int, GCM_setiv, (PROV_GCM_CTX *dat, const unsigned char *iv,
size_t ivlen));
OSSL_CIPHER_FUNC(int, GCM_aadupdate, (PROV_GCM_CTX *ctx,
PROV_CIPHER_FUNC(int, GCM_aadupdate, (PROV_GCM_CTX *ctx,
const unsigned char *aad, size_t aadlen));
OSSL_CIPHER_FUNC(int, GCM_cipherupdate, (PROV_GCM_CTX *ctx,
PROV_CIPHER_FUNC(int, GCM_cipherupdate, (PROV_GCM_CTX *ctx,
const unsigned char *in, size_t len,
unsigned char *out));
OSSL_CIPHER_FUNC(int, GCM_cipherfinal, (PROV_GCM_CTX *ctx, unsigned char *tag));
OSSL_CIPHER_FUNC(int, GCM_oneshot, (PROV_GCM_CTX *ctx, unsigned char *aad,
PROV_CIPHER_FUNC(int, GCM_cipherfinal, (PROV_GCM_CTX *ctx, unsigned char *tag));
PROV_CIPHER_FUNC(int, GCM_oneshot, (PROV_GCM_CTX *ctx, unsigned char *aad,
size_t aad_len, const unsigned char *in,
size_t in_len, unsigned char *out,
unsigned char *tag, size_t taglen));

74
providers/common/ciphers/ciphers_locl.h
View file

@ -14,40 +14,15 @@
#include "internal/cryptlib.h"
#include "internal/modes_int.h"
#if defined(OPENSSL_CPUID_OBJ) && defined(__s390__)
/*-
* KMA-GCM-AES parameter block - begin
* (see z/Architecture Principles of Operation >= SA22-7832-11)
*/
typedef struct S390X_kma_params_st {
unsigned char reserved[12];
union {
unsigned int w;
unsigned char b[4];
} cv; /* 32 bit counter value */
union {
unsigned long long g[2];
unsigned char b[16];
} t; /* tag */
unsigned char h[16]; /* hash subkey */
unsigned long long taadl; /* total AAD length */
unsigned long long tpcl; /* total plaintxt/ciphertxt len */
union {
unsigned long long g[2];
unsigned int w[4];
} j0; /* initial counter value */
unsigned char k[32]; /* key */
} S390X_KMA_PARAMS;
#endif
typedef struct prov_aes_cipher_st PROV_AES_CIPHER;
#define IV_STATE_UNINITIALISED 0 /* initial state is not initialized */
#define IV_STATE_BUFFERED 1 /* iv has been copied to the iv buffer */
#define IV_STATE_COPIED 2 /* iv has been copied from the iv buffer */
#define IV_STATE_FINISHED 3 /* the iv has been used - so don't reuse it */
#define PROV_CIPHER_FUNC(type, name, args) typedef type (* OSSL_##name##_fn)args
typedef struct prov_aes_cipher_st PROV_AES_CIPHER;
typedef struct prov_aes_key_st {
union {
OSSL_UNION_ALIGN;
@ -122,14 +97,13 @@ typedef struct prov_aes_key_st {
} PROV_AES_KEY;
struct prov_aes_cipher_st {
int (*init)(PROV_AES_KEY *dat, const uint8_t *key, size_t keylen);
int (*cipher)(PROV_AES_KEY *dat, uint8_t *out, const uint8_t *in,
int (*init)(PROV_AES_KEY *dat, const uint8_t *key, size_t keylen);
int (*cipher)(PROV_AES_KEY *dat, uint8_t *out, const uint8_t *in,
size_t inl);
};
#define OSSL_CIPHER_FUNC(type, name, args) typedef type (* OSSL_##name##_fn)args
#include "ciphers_gcm.h"
#include "ciphers_ccm.h"
const PROV_AES_CIPHER *PROV_AES_CIPHER_ecb(size_t keylen);
const PROV_AES_CIPHER *PROV_AES_CIPHER_cbc(size_t keylen);
@ -155,3 +129,37 @@ OSSL_OP_cipher_settable_ctx_params_fn cipher_aead_settable_ctx_params;
int cipher_default_get_params(OSSL_PARAM params[], int md, unsigned long flags,
int kbits, int blkbits, int ivbits);
#define IMPLEMENT_aead_cipher(alg, lc, UCMODE, flags, kbits, blkbits, ivbits) \
static OSSL_OP_cipher_get_params_fn alg##_##kbits##_##lc##_get_params; \
static int alg##_##kbits##_##lc##_get_params(OSSL_PARAM params[]) \
{ \
return cipher_default_get_params(params, EVP_CIPH_##UCMODE##_MODE, \
flags, kbits, blkbits, ivbits); \
} \
static OSSL_OP_cipher_newctx_fn alg##kbits##lc##_newctx; \
static void * alg##kbits##lc##_newctx(void *provctx) \
{ \
return alg##_##lc##_newctx(provctx, kbits); \
} \
const OSSL_DISPATCH alg##kbits##lc##_functions[] = { \
{ OSSL_FUNC_CIPHER_NEWCTX, (void (*)(void))alg##kbits##lc##_newctx }, \
{ OSSL_FUNC_CIPHER_FREECTX, (void (*)(void))alg##_##lc##_freectx }, \
{ OSSL_FUNC_CIPHER_ENCRYPT_INIT, (void (*)(void)) lc##_einit }, \
{ OSSL_FUNC_CIPHER_DECRYPT_INIT, (void (*)(void)) lc##_dinit }, \
{ OSSL_FUNC_CIPHER_UPDATE, (void (*)(void)) lc##_stream_update }, \
{ OSSL_FUNC_CIPHER_FINAL, (void (*)(void)) lc##_stream_final }, \
{ OSSL_FUNC_CIPHER_CIPHER, (void (*)(void)) lc##_cipher }, \
{ OSSL_FUNC_CIPHER_GET_PARAMS, \
(void (*)(void)) alg##_##kbits##_##lc##_get_params }, \
{ OSSL_FUNC_CIPHER_GET_CTX_PARAMS, \
(void (*)(void)) lc##_get_ctx_params }, \
{ OSSL_FUNC_CIPHER_SET_CTX_PARAMS, \
(void (*)(void)) lc##_set_ctx_params }, \
{ OSSL_FUNC_CIPHER_GETTABLE_PARAMS, \
(void (*)(void))cipher_default_gettable_params }, \
{ OSSL_FUNC_CIPHER_GETTABLE_CTX_PARAMS, \
(void (*)(void))cipher_aead_gettable_ctx_params }, \
{ OSSL_FUNC_CIPHER_SETTABLE_CTX_PARAMS, \
(void (*)(void))cipher_aead_settable_ctx_params }, \
{ 0, NULL } \
}

53
providers/common/ciphers/gcm.c
View file

@ -105,9 +105,9 @@ static int gcm_get_ctx_params(void *vctx, OSSL_PARAM params[])
size_t sz;
p = OSSL_PARAM_locate(params, OSSL_CIPHER_PARAM_IVLEN);
if (p != NULL) {
if (!OSSL_PARAM_set_int(p, ctx->ivlen))
return 0;
if (p != NULL && !OSSL_PARAM_set_int(p, ctx->ivlen)) {
ERR_raise(ERR_LIB_PROV, PROV_R_FAILED_TO_SET_PARAMETER);
return 0;
}
p = OSSL_PARAM_locate(params, OSSL_CIPHER_PARAM_KEYLEN);
if (p != NULL && !OSSL_PARAM_set_int(p, ctx->keylen)) {
@ -513,41 +513,6 @@ err:
return rv;
}
#define IMPLEMENT_cipher(alg, lcmode, UCMODE, flags, kbits, blkbits, ivbits) \
static OSSL_OP_cipher_get_params_fn alg##_##kbits##_##lcmode##_get_params; \
static int alg##_##kbits##_##lcmode##_get_params(OSSL_PARAM params[]) \
{ \
return cipher_default_get_params(params, EVP_CIPH_##UCMODE##_MODE, \
flags, kbits, blkbits, ivbits); \
} \
static OSSL_OP_cipher_newctx_fn alg##kbits##gcm_newctx; \
static void *alg##kbits##gcm_newctx(void *provctx) \
{ \
return alg##_gcm_newctx(provctx, kbits); \
} \
const OSSL_DISPATCH alg##kbits##gcm_functions[] = { \
{ OSSL_FUNC_CIPHER_ENCRYPT_INIT, (void (*)(void))gcm_einit }, \
{ OSSL_FUNC_CIPHER_DECRYPT_INIT, (void (*)(void))gcm_dinit }, \
{ OSSL_FUNC_CIPHER_UPDATE, (void (*)(void))gcm_stream_update }, \
{ OSSL_FUNC_CIPHER_FINAL, (void (*)(void))gcm_stream_final }, \
{ OSSL_FUNC_CIPHER_CIPHER, (void (*)(void))gcm_cipher }, \
{ OSSL_FUNC_CIPHER_NEWCTX, (void (*)(void)) alg##kbits##gcm_newctx }, \
{ OSSL_FUNC_CIPHER_FREECTX, (void (*)(void)) alg##_gcm_freectx }, \
{ OSSL_FUNC_CIPHER_GET_PARAMS, \
(void (*)(void)) alg##_##kbits##_##lcmode##_get_params }, \
{ OSSL_FUNC_CIPHER_GET_CTX_PARAMS, \
(void (*)(void))gcm_get_ctx_params }, \
{ OSSL_FUNC_CIPHER_SET_CTX_PARAMS, \
(void (*)(void))gcm_set_ctx_params }, \
{ OSSL_FUNC_CIPHER_GETTABLE_PARAMS, \
(void (*)(void))cipher_default_gettable_params }, \
{ OSSL_FUNC_CIPHER_GETTABLE_CTX_PARAMS, \
(void (*)(void))cipher_aead_gettable_ctx_params }, \
{ OSSL_FUNC_CIPHER_SETTABLE_CTX_PARAMS, \
(void (*)(void))cipher_aead_settable_ctx_params }, \
{ 0, NULL } \
}
static void *aes_gcm_newctx(void *provctx, size_t keybits)
{
PROV_AES_GCM_CTX *ctx = OPENSSL_zalloc(sizeof(*ctx));
@ -568,11 +533,11 @@ static void aes_gcm_freectx(void *vctx)
}
/* aes128gcm_functions */
IMPLEMENT_cipher(aes, gcm, GCM, AEAD_GCM_FLAGS, 128, 8, 96);
IMPLEMENT_aead_cipher(aes, gcm, GCM, AEAD_GCM_FLAGS, 128, 8, 96);
/* aes192gcm_functions */
IMPLEMENT_cipher(aes, gcm, GCM, AEAD_GCM_FLAGS, 192, 8, 96);
IMPLEMENT_aead_cipher(aes, gcm, GCM, AEAD_GCM_FLAGS, 192, 8, 96);
/* aes256gcm_functions */
IMPLEMENT_cipher(aes, gcm, GCM, AEAD_GCM_FLAGS, 256, 8, 96);
IMPLEMENT_aead_cipher(aes, gcm, GCM, AEAD_GCM_FLAGS, 256, 8, 96);
#if !defined(OPENSSL_NO_ARIA) && !defined(FIPS_MODE)
@ -596,10 +561,10 @@ static void aria_gcm_freectx(void *vctx)
}
/* aria128gcm_functions */
IMPLEMENT_cipher(aria, gcm, GCM, AEAD_GCM_FLAGS, 128, 8, 96);
IMPLEMENT_aead_cipher(aria, gcm, GCM, AEAD_GCM_FLAGS, 128, 8, 96);
/* aria192gcm_functions */
IMPLEMENT_cipher(aria, gcm, GCM, AEAD_GCM_FLAGS, 192, 8, 96);
IMPLEMENT_aead_cipher(aria, gcm, GCM, AEAD_GCM_FLAGS, 192, 8, 96);
/* aria256gcm_functions */
IMPLEMENT_cipher(aria, gcm, GCM, AEAD_GCM_FLAGS, 256, 8, 96);
IMPLEMENT_aead_cipher(aria, gcm, GCM, AEAD_GCM_FLAGS, 256, 8, 96);
#endif /* !defined(OPENSSL_NO_ARIA) && !defined(FIPS_MODE) */

6
providers/common/include/internal/provider_algs.h
View file

@ -60,10 +60,16 @@ extern const OSSL_DISPATCH aes128ctr_functions[];
extern const OSSL_DISPATCH aes256gcm_functions[];
extern const OSSL_DISPATCH aes192gcm_functions[];
extern const OSSL_DISPATCH aes128gcm_functions[];
extern const OSSL_DISPATCH aes256ccm_functions[];
extern const OSSL_DISPATCH aes192ccm_functions[];
extern const OSSL_DISPATCH aes128ccm_functions[];
#ifndef OPENSSL_NO_ARIA
extern const OSSL_DISPATCH aria256gcm_functions[];
extern const OSSL_DISPATCH aria192gcm_functions[];
extern const OSSL_DISPATCH aria128gcm_functions[];
extern const OSSL_DISPATCH aria256ccm_functions[];
extern const OSSL_DISPATCH aria192ccm_functions[];
extern const OSSL_DISPATCH aria128ccm_functions[];
#endif /* OPENSSL_NO_ARIA */
/* MACs */

15
providers/common/include/internal/providercommonerr.h
View file

@ -28,14 +28,19 @@ int ERR_load_PROV_strings(void);
# define PROV_F_AES_BLOCK_FINAL 0
# define PROV_F_AES_BLOCK_UPDATE 0
# define PROV_F_AES_CIPHER 0
# define PROV_F_AES_GET_CTX_PARAMS 0
# define PROV_F_AES_SET_CTX_PARAMS 0
# define PROV_F_AES_DINIT 0
# define PROV_F_AES_DUPCTX 0
# define PROV_F_AES_EINIT 0
# define PROV_F_AES_GET_CTX_PARAMS 0
# define PROV_F_AES_INIT_KEY 0
# define PROV_F_AES_SET_CTX_PARAMS 0
# define PROV_F_AES_STREAM_UPDATE 0
# define PROV_F_AES_T4_INIT_KEY 0
# define PROV_F_BLAKE2_MAC_INIT 0
# define PROV_F_BLAKE2_MAC_SET_PARAMS 0
# define PROV_F_GMAC_SET_PARAMS 0
# define PROV_F_KMAC_SET_PARAMS 0
# define PROV_F_POLY1305_SET_PARAMS 0
# define PROV_F_PROV_AES_KEY_GENERIC_INIT 0
# define PROV_F_TRAILINGDATA 0
# define PROV_F_UNPADBLOCK 0
@ -51,13 +56,19 @@ int ERR_load_PROV_strings(void);
# define PROV_R_FAILED_TO_SET_PARAMETER 104
# define PROV_R_INVALID_AAD 108
# define PROV_R_INVALID_CUSTOM_LENGTH 111
# define PROV_R_INVALID_DATA 115
# define PROV_R_INVALID_IVLEN 116
# define PROV_R_INVALID_IV_LENGTH 109
# define PROV_R_INVALID_KEYLEN 117
# define PROV_R_INVALID_KEY_LENGTH 105
# define PROV_R_INVALID_SALT_LENGTH 112
# define PROV_R_INVALID_TAG 110
# define PROV_R_INVALID_TAGLEN 118
# define PROV_R_NOT_XOF_OR_INVALID_LENGTH 113
# define PROV_R_NO_KEY_SET 114
# define PROV_R_OUTPUT_BUFFER_TOO_SMALL 106
# define PROV_R_TAG_NOTSET 119
# define PROV_R_TAG_NOT_NEEDED 120
# define PROV_R_WRONG_FINAL_BLOCK_LENGTH 107
#endif

9
providers/common/provider_err.c
View file

@ -26,16 +26,23 @@ static const ERR_STRING_DATA PROV_str_reasons[] = {
{ERR_PACK(ERR_LIB_PROV, 0, PROV_R_INVALID_AAD), "invalid aad"},
{ERR_PACK(ERR_LIB_PROV, 0, PROV_R_INVALID_CUSTOM_LENGTH),
"invalid custom length"},
{ERR_PACK(ERR_LIB_PROV, 0, PROV_R_INVALID_DATA), "invalid data"},
{ERR_PACK(ERR_LIB_PROV, 0, PROV_R_INVALID_IVLEN), "invalid ivlen"},
{ERR_PACK(ERR_LIB_PROV, 0, PROV_R_INVALID_IV_LENGTH), "invalid iv length"},
{ERR_PACK(ERR_LIB_PROV, 0, PROV_R_INVALID_KEY_LENGTH), "invalid key length"},
{ERR_PACK(ERR_LIB_PROV, 0, PROV_R_INVALID_KEYLEN), "invalid keylen"},
{ERR_PACK(ERR_LIB_PROV, 0, PROV_R_INVALID_KEY_LENGTH),
"invalid key length"},
{ERR_PACK(ERR_LIB_PROV, 0, PROV_R_INVALID_SALT_LENGTH),
"invalid salt length"},
{ERR_PACK(ERR_LIB_PROV, 0, PROV_R_INVALID_TAG), "invalid tag"},
{ERR_PACK(ERR_LIB_PROV, 0, PROV_R_INVALID_TAGLEN), "invalid taglen"},
{ERR_PACK(ERR_LIB_PROV, 0, PROV_R_NOT_XOF_OR_INVALID_LENGTH),
"not xof or invalid length"},
{ERR_PACK(ERR_LIB_PROV, 0, PROV_R_NO_KEY_SET), "no key set"},
{ERR_PACK(ERR_LIB_PROV, 0, PROV_R_OUTPUT_BUFFER_TOO_SMALL),
"output buffer too small"},
{ERR_PACK(ERR_LIB_PROV, 0, PROV_R_TAG_NOTSET), "tag notset"},
{ERR_PACK(ERR_LIB_PROV, 0, PROV_R_TAG_NOT_NEEDED), "tag not needed"},
{ERR_PACK(ERR_LIB_PROV, 0, PROV_R_WRONG_FINAL_BLOCK_LENGTH),
"wrong final block length"},
{0, NULL}

7
providers/default/defltprov.c
View file

@ -116,13 +116,20 @@ static const OSSL_ALGORITHM deflt_ciphers[] = {
{ "AES-256-CTR", "default=yes", aes256ctr_functions },
{ "AES-192-CTR", "default=yes", aes192ctr_functions },
{ "AES-128-CTR", "default=yes", aes128ctr_functions },
/* TODO(3.0) Add aliases when they are supported */
{ "id-aes256-GCM", "default=yes", aes256gcm_functions },
{ "id-aes192-GCM", "default=yes", aes192gcm_functions },
{ "id-aes128-GCM", "default=yes", aes128gcm_functions },
{ "id-aes256-CCM", "default=yes", aes256ccm_functions },
{ "id-aes192-CCM", "default=yes", aes192ccm_functions },
{ "id-aes128-CCM", "default=yes", aes128ccm_functions },
#ifndef OPENSSL_NO_ARIA
{ "ARIA-256-GCM", "default=yes", aria256gcm_functions },
{ "ARIA-192-GCM", "default=yes", aria192gcm_functions },
{ "ARIA-128-GCM", "default=yes", aria128gcm_functions },
{ "ARIA-256-CCM", "default=yes", aria256ccm_functions },
{ "ARIA-192-CCM", "default=yes", aria192ccm_functions },
{ "ARIA-128-CCM", "default=yes", aria128ccm_functions },
#endif /* OPENSSL_NO_ARIA */
{ NULL, NULL, NULL }
};

19
providers/fips/fipsprov.c
View file

@ -265,6 +265,21 @@ const char *ossl_prov_util_nid_to_name(int nid)
return "AES-192-CTR";
case NID_aes_128_ctr:
return "AES-128-CTR";
/* TODO(3.0) Change these when we have aliases */
case NID_aes_256_gcm:
return "id-aes256-GCM";
case NID_aes_192_gcm:
return "id-aes192-GCM";
case NID_aes_128_gcm:
return "id-aes128-GCM";
case NID_aes_256_ccm:
return "id-aes256-CCM";
case NID_aes_192_ccm:
return "id-aes192-CCM";
case NID_aes_128_ccm:
return "id-aes128-CCM";
default:
break;
}
return NULL;
@ -302,9 +317,13 @@ static const OSSL_ALGORITHM fips_ciphers[] = {
{ "AES-256-CTR", "fips=yes", aes256ctr_functions },
{ "AES-192-CTR", "fips=yes", aes192ctr_functions },
{ "AES-128-CTR", "fips=yes", aes128ctr_functions },
/* TODO(3.0) Add aliases for these ciphers */
{ "id-aes256-GCM", "fips=yes", aes256gcm_functions },
{ "id-aes192-GCM", "fips=yes", aes192gcm_functions },
{ "id-aes128-GCM", "fips=yes", aes128gcm_functions },
{ "id-aes256-CCM", "fips=yes", aes256ccm_functions },
{ "id-aes192-CCM", "fips=yes", aes192ccm_functions },
{ "id-aes128-CCM", "fips=yes", aes128ccm_functions },
{ NULL, NULL, NULL }
};

6
test/recipes/30-test_evp_data/evpciph.txt
View file

@ -2371,6 +2371,7 @@ Title = ARIA CCM test vectors from IETF draft-ietf-avtcore-aria-srtp-02
# 16-byte Tag
Cipher = ARIA-128-CCM
Availablein = default
Key = 974bee725d44fc3992267b284c3c6750
IV = 000020e8f5eb00000000315e
AAD = 8008315ebf2e6fe020e8f5eb
@ -2379,6 +2380,7 @@ Plaintext = f57af5fd4ae19562976ec57a5a7ad55a5af5c5e5c5fdf5c55ad57a4a7272d57262e9
Ciphertext = 621e408a2e455505b39f704dcbac4307daabbd6d670abc4e42f2fd2fca263f094f4683e6fb0b10c5093d42b69dce0ba546520e7c4400975713f3bde93ef131160b9cbcd6df78a1502be7c6ea8d395b9ed0078819c3105c0ab92cb67b16ba51bb1f53508738bf7a37c9a905439b88b7af9d51a407916fdfea8d43bf253721846dc1671391225fc58d9d0693c8ade6a4ffb034ee6543dd4e651b7a084eae60f855
Cipher = ARIA-256-CCM
Availablein = default
Key = 0c5ffd37a11edc42c325287fc0604f2e3e8cd5671a00fe3216aa5eb105783b54
IV = 000020e8f5eb00000000315e
AAD = 8008315ebf2e6fe020e8f5eb
@ -2389,6 +2391,7 @@ Ciphertext = ff78128ee18ee3cb9fb0d20726a017ff67fbd09d3a4c38aa32f6d306d3fdda378e4
# 8-byte Tag
Cipher = ARIA-128-CCM
Availablein = default
Key = 974bee725d44fc3992267b284c3c6750
IV = 000020e8f5eb00000000315e
AAD = 8008315ebf2e6fe020e8f5eb
@ -2397,6 +2400,7 @@ Plaintext = f57af5fd4ae19562976ec57a5a7ad55a5af5c5e5c5fdf5c55ad57a4a7272d57262e9
Ciphertext = 621e408a2e455505b39f704dcbac4307daabbd6d670abc4e42f2fd2fca263f094f4683e6fb0b10c5093d42b69dce0ba546520e7c4400975713f3bde93ef131160b9cbcd6df78a1502be7c6ea8d395b9ed0078819c3105c0ab92cb67b16ba51bb1f53508738bf7a37c9a905439b88b7af9d51a407916fdfea8d43bf253721846dc1671391225fc58d9d0693c8ade6a4ffb034ee6543dd4e651b7a084eae60f855
Cipher = ARIA-256-CCM
Availablein = default
Key = 0c5ffd37a11edc42c325287fc0604f2e3e8cd5671a00fe3216aa5eb105783b54
IV = 000020e8f5eb00000000315e
AAD = 8008315ebf2e6fe020e8f5eb
@ -2407,6 +2411,7 @@ Ciphertext = ff78128ee18ee3cb9fb0d20726a017ff67fbd09d3a4c38aa32f6d306d3fdda378e4
# 12-byte Tag
Cipher = ARIA-128-CCM
Availablein = default
Key = 974bee725d44fc3992267b284c3c6750
IV = 000020e8f5eb00000000315e
AAD = 8008315ebf2e6fe020e8f5eb
@ -2415,6 +2420,7 @@ Plaintext = f57af5fd4ae19562976ec57a5a7ad55a5af5c5e5c5fdf5c55ad57a4a7272d57262e9
Ciphertext = 621e408a2e455505b39f704dcbac4307daabbd6d670abc4e42f2fd2fca263f094f4683e6fb0b10c5093d42b69dce0ba546520e7c4400975713f3bde93ef131160b9cbcd6df78a1502be7c6ea8d395b9ed0078819c3105c0ab92cb67b16ba51bb1f53508738bf7a37c9a905439b88b7af9d51a407916fdfea8d43bf253721846dc1671391225fc58d9d0693c8ade6a4ffb034ee6543dd4e651b7a084eae60f855
Cipher = ARIA-256-CCM
Availablein = default
Key = 0c5ffd37a11edc42c325287fc0604f2e3e8cd5671a00fe3216aa5eb105783b54
IV = 000020e8f5eb00000000315e
AAD = 8008315ebf2e6fe020e8f5eb