2 * Copyright 2019 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the Apache License 2.0 (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
10 #include <openssl/opensslconf.h>
11 #include <openssl/aes.h>
12 #include <openssl/params.h>
13 #include "internal/cryptlib.h"
14 #include "internal/modes_int.h"
16 #if defined(OPENSSL_CPUID_OBJ) && defined(__s390__)
18 * KMA-GCM-AES parameter block - begin
19 * (see z/Architecture Principles of Operation >= SA22-7832-11)
21 typedef struct S390X_kma_params_st {
22 unsigned char reserved[12];
26 } cv; /* 32 bit counter value */
28 unsigned long long g[2];
31 unsigned char h[16]; /* hash subkey */
32 unsigned long long taadl; /* total AAD length */
33 unsigned long long tpcl; /* total plaintxt/ciphertxt len */
35 unsigned long long g[2];
37 } j0; /* initial counter value */
38 unsigned char k[32]; /* key */
43 typedef struct prov_aes_cipher_st PROV_AES_CIPHER;
45 #define IV_STATE_UNINITIALISED 0 /* initial state is not initialized */
46 #define IV_STATE_BUFFERED 1 /* iv has been copied to the iv buffer */
47 #define IV_STATE_COPIED 2 /* iv has been copied from the iv buffer */
48 #define IV_STATE_FINISHED 3 /* the iv has been used - so don't reuse it */
50 typedef struct prov_aes_key_st {
61 /* Platform specific data */
64 #if defined(OPENSSL_CPUID_OBJ) && defined(__s390__)
69 * KM-AES parameter block - begin
70 * (see z/Architecture Principles of Operation >= SA22-7832-06)
75 /* KM-AES parameter block - end */
77 * KMO-AES/KMF-AES parameter block - begin
78 * (see z/Architecture Principles of Operation >= SA22-7832-08)
84 /* KMO-AES/KMF-AES parameter block - end */
89 #endif /* defined(OPENSSL_CPUID_OBJ) && defined(__s390__) */
92 /* The cipher functions we are going to use */
93 const PROV_AES_CIPHER *ciph;
95 /* The mode that we are using */
98 /* Set to 1 if we are encrypting or 0 otherwise */
101 unsigned char iv[AES_BLOCK_SIZE];
104 * num contains the number of bytes of |iv| which are valid for modes that
105 * manage partial blocks themselves.
109 /* Buffer of partial blocks processed via update calls */
110 unsigned char buf[AES_BLOCK_SIZE];
112 /* Number of bytes in buf */
119 /* Whether padding should be used or not */
120 unsigned int pad : 1;
123 struct prov_aes_cipher_st {
124 int (*init)(PROV_AES_KEY *dat, const uint8_t *key, size_t keylen);
125 int (*cipher)(PROV_AES_KEY *dat, uint8_t *out, const uint8_t *in,
129 #define OSSL_CIPHER_FUNC(type, name, args) typedef type (* OSSL_##name##_fn)args
131 #include "ciphers_gcm.h"
133 const PROV_AES_CIPHER *PROV_AES_CIPHER_ecb(size_t keylen);
134 const PROV_AES_CIPHER *PROV_AES_CIPHER_cbc(size_t keylen);
135 const PROV_AES_CIPHER *PROV_AES_CIPHER_ofb(size_t keylen);
136 const PROV_AES_CIPHER *PROV_AES_CIPHER_cfb(size_t keylen);
137 const PROV_AES_CIPHER *PROV_AES_CIPHER_cfb1(size_t keylen);
138 const PROV_AES_CIPHER *PROV_AES_CIPHER_cfb8(size_t keylen);
139 const PROV_AES_CIPHER *PROV_AES_CIPHER_ctr(size_t keylen);
141 size_t fillblock(unsigned char *buf, size_t *buflen, size_t blocksize,
142 const unsigned char **in, size_t *inlen);
143 int trailingdata(unsigned char *buf, size_t *buflen, size_t blocksize,
144 const unsigned char **in, size_t *inlen);
145 void padblock(unsigned char *buf, size_t *buflen, size_t blocksize);
146 int unpadblock(unsigned char *buf, size_t *buflen, size_t blocksize);
147 int aes_get_params(OSSL_PARAM params[], int md, unsigned long flags,
148 int kbits, int blkbits, int ivbits);