--- /dev/null
+/*
+ * Copyright 2001-2018 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 <openssl/crypto.h>
+#include <openssl/evp.h>
+#include <openssl/err.h>
+#include <string.h>
+#include <assert.h>
+#include <openssl/aes.h>
+#include "internal/evp_int.h"
+#include <openssl/rand.h>
+#include <openssl/cmac.h>
+#include "ciphers_locl.h"
+
+#define MAXBITCHUNK ((size_t)1 << (sizeof(size_t) * 8 - 4))
+
+#ifdef VPAES_ASM
+int vpaes_set_encrypt_key(const unsigned char *userKey, int bits,
+ AES_KEY *key);
+int vpaes_set_decrypt_key(const unsigned char *userKey, int bits,
+ AES_KEY *key);
+
+void vpaes_encrypt(const unsigned char *in, unsigned char *out,
+ const AES_KEY *key);
+void vpaes_decrypt(const unsigned char *in, unsigned char *out,
+ const AES_KEY *key);
+
+void vpaes_cbc_encrypt(const unsigned char *in,
+ unsigned char *out,
+ size_t length,
+ const AES_KEY *key, unsigned char *ivec, int enc);
+#endif
+#ifdef BSAES_ASM
+void bsaes_cbc_encrypt(const unsigned char *in, unsigned char *out,
+ size_t length, const AES_KEY *key,
+ unsigned char ivec[16], int enc);
+void bsaes_ctr32_encrypt_blocks(const unsigned char *in, unsigned char *out,
+ size_t len, const AES_KEY *key,
+ const unsigned char ivec[16]);
+#endif
+#ifdef AES_CTR_ASM
+void AES_ctr32_encrypt(const unsigned char *in, unsigned char *out,
+ size_t blocks, const AES_KEY *key,
+ const unsigned char ivec[AES_BLOCK_SIZE]);
+#endif
+
+
+#if defined(OPENSSL_CPUID_OBJ) && (defined(__powerpc__) || defined(__ppc__) || defined(_ARCH_PPC))
+# include "ppc_arch.h"
+# ifdef VPAES_ASM
+# define VPAES_CAPABLE (OPENSSL_ppccap_P & PPC_ALTIVEC)
+# endif
+# define HWAES_CAPABLE (OPENSSL_ppccap_P & PPC_CRYPTO207)
+# define HWAES_set_encrypt_key aes_p8_set_encrypt_key
+# define HWAES_set_decrypt_key aes_p8_set_decrypt_key
+# define HWAES_encrypt aes_p8_encrypt
+# define HWAES_decrypt aes_p8_decrypt
+# define HWAES_cbc_encrypt aes_p8_cbc_encrypt
+# define HWAES_ctr32_encrypt_blocks aes_p8_ctr32_encrypt_blocks
+# define HWAES_xts_encrypt aes_p8_xts_encrypt
+# define HWAES_xts_decrypt aes_p8_xts_decrypt
+#endif
+
+#if defined(AES_ASM) && !defined(I386_ONLY) && ( \
+ ((defined(__i386) || defined(__i386__) || \
+ defined(_M_IX86)) && defined(OPENSSL_IA32_SSE2))|| \
+ defined(__x86_64) || defined(__x86_64__) || \
+ defined(_M_AMD64) || defined(_M_X64) )
+
+extern unsigned int OPENSSL_ia32cap_P[];
+
+# ifdef VPAES_ASM
+# define VPAES_CAPABLE (OPENSSL_ia32cap_P[1]&(1<<(41-32)))
+# endif
+# ifdef BSAES_ASM
+# define BSAES_CAPABLE (OPENSSL_ia32cap_P[1]&(1<<(41-32)))
+# endif
+/*
+ * AES-NI section
+ */
+# define AESNI_CAPABLE (OPENSSL_ia32cap_P[1]&(1<<(57-32)))
+
+int aesni_set_encrypt_key(const unsigned char *userKey, int bits,
+ AES_KEY *key);
+int aesni_set_decrypt_key(const unsigned char *userKey, int bits,
+ AES_KEY *key);
+
+void aesni_encrypt(const unsigned char *in, unsigned char *out,
+ const AES_KEY *key);
+void aesni_decrypt(const unsigned char *in, unsigned char *out,
+ const AES_KEY *key);
+
+void aesni_ecb_encrypt(const unsigned char *in,
+ unsigned char *out,
+ size_t length, const AES_KEY *key, int enc);
+void aesni_cbc_encrypt(const unsigned char *in,
+ unsigned char *out,
+ size_t length,
+ const AES_KEY *key, unsigned char *ivec, int enc);
+
+void aesni_ctr32_encrypt_blocks(const unsigned char *in,
+ unsigned char *out,
+ size_t blocks,
+ const void *key, const unsigned char *ivec);
+
+static int aesni_init_key(PROV_AES_KEY *dat, const unsigned char *key,
+ size_t keylen)
+{
+ int ret;
+
+ if ((dat->mode == EVP_CIPH_ECB_MODE || dat->mode == EVP_CIPH_CBC_MODE)
+ && !dat->enc) {
+ ret = aesni_set_decrypt_key(key, keylen * 8, &dat->ks.ks);
+ dat->block = (block128_f) aesni_decrypt;
+ dat->stream.cbc = dat->mode == EVP_CIPH_CBC_MODE ?
+ (cbc128_f) aesni_cbc_encrypt : NULL;
+ } else {
+ ret = aesni_set_encrypt_key(key, keylen * 8, &dat->ks.ks);
+ dat->block = (block128_f) aesni_encrypt;
+ if (dat->mode == EVP_CIPH_CBC_MODE)
+ dat->stream.cbc = (cbc128_f) aesni_cbc_encrypt;
+ else if (dat->mode == EVP_CIPH_CTR_MODE)
+ dat->stream.ctr = (ctr128_f) aesni_ctr32_encrypt_blocks;
+ else
+ dat->stream.cbc = NULL;
+ }
+
+ if (ret < 0) {
+ EVPerr(EVP_F_AESNI_INIT_KEY, EVP_R_AES_KEY_SETUP_FAILED);
+ return 0;
+ }
+
+ return 1;
+}
+
+static int aesni_cbc_cipher(PROV_AES_KEY *ctx, unsigned char *out,
+ const unsigned char *in, size_t len)
+{
+ aesni_cbc_encrypt(in, out, len, &ctx->ks.ks, ctx->iv, ctx->enc);
+
+ return 1;
+}
+
+static int aesni_ecb_cipher(PROV_AES_KEY *ctx, unsigned char *out,
+ const unsigned char *in, size_t len)
+{
+ if (len < AES_BLOCK_SIZE)
+ return 1;
+
+ aesni_ecb_encrypt(in, out, len, &ctx->ks.ks, ctx->enc);
+
+ return 1;
+}
+
+# define aesni_ofb_cipher aes_ofb_cipher
+static int aesni_ofb_cipher(PROV_AES_KEY *ctx, unsigned char *out,
+ const unsigned char *in, size_t len);
+
+# define aesni_cfb_cipher aes_cfb_cipher
+static int aesni_cfb_cipher(PROV_AES_KEY *ctx, unsigned char *out,
+ const unsigned char *in, size_t len);
+
+# define aesni_cfb8_cipher aes_cfb8_cipher
+static int aesni_cfb8_cipher(PROV_AES_KEY *ctx, unsigned char *out,
+ const unsigned char *in, size_t len);
+
+# define aesni_cfb1_cipher aes_cfb1_cipher
+static int aesni_cfb1_cipher(PROV_AES_KEY *ctx, unsigned char *out,
+ const unsigned char *in, size_t len);
+
+# define aesni_ctr_cipher aes_ctr_cipher
+static int aesni_ctr_cipher(PROV_AES_KEY *ctx, unsigned char *out,
+ const unsigned char *in, size_t len);
+
+# define BLOCK_CIPHER_generic_prov(mode) \
+static const PROV_AES_CIPHER aesni_##mode = { \
+ aesni_init_key, \
+ aesni_##mode##_cipher}; \
+static const PROV_AES_CIPHER aes_##mode = { \
+ aes_init_key, \
+ aes_##mode##_cipher}; \
+const PROV_AES_CIPHER *PROV_AES_CIPHER_##mode(void) \
+{ return AESNI_CAPABLE?&aesni_##mode:&aes_##mode; }
+
+
+#elif defined(AES_ASM) && (defined(__sparc) || defined(__sparc__))
+
+# include "sparc_arch.h"
+
+extern unsigned int OPENSSL_sparcv9cap_P[];
+
+/*
+ * Fujitsu SPARC64 X support
+ */
+# define HWAES_CAPABLE (OPENSSL_sparcv9cap_P[0] & SPARCV9_FJAESX)
+# define HWAES_set_encrypt_key aes_fx_set_encrypt_key
+# define HWAES_set_decrypt_key aes_fx_set_decrypt_key
+# define HWAES_encrypt aes_fx_encrypt
+# define HWAES_decrypt aes_fx_decrypt
+# define HWAES_cbc_encrypt aes_fx_cbc_encrypt
+# define HWAES_ctr32_encrypt_blocks aes_fx_ctr32_encrypt_blocks
+
+# define SPARC_AES_CAPABLE (OPENSSL_sparcv9cap_P[1] & CFR_AES)
+
+void aes_t4_set_encrypt_key(const unsigned char *key, int bits, AES_KEY *ks);
+void aes_t4_set_decrypt_key(const unsigned char *key, int bits, AES_KEY *ks);
+void aes_t4_encrypt(const unsigned char *in, unsigned char *out,
+ const AES_KEY *key);
+void aes_t4_decrypt(const unsigned char *in, unsigned char *out,
+ const AES_KEY *key);
+/*
+ * Key-length specific subroutines were chosen for following reason.
+ * Each SPARC T4 core can execute up to 8 threads which share core's
+ * resources. Loading as much key material to registers allows to
+ * minimize references to shared memory interface, as well as amount
+ * of instructions in inner loops [much needed on T4]. But then having
+ * non-key-length specific routines would require conditional branches
+ * either in inner loops or on subroutines' entries. Former is hardly
+ * acceptable, while latter means code size increase to size occupied
+ * by multiple key-length specific subroutines, so why fight?
+ */
+void aes128_t4_cbc_encrypt(const unsigned char *in, unsigned char *out,
+ size_t len, const AES_KEY *key,
+ unsigned char *ivec);
+void aes128_t4_cbc_decrypt(const unsigned char *in, unsigned char *out,
+ size_t len, const AES_KEY *key,
+ unsigned char *ivec);
+void aes192_t4_cbc_encrypt(const unsigned char *in, unsigned char *out,
+ size_t len, const AES_KEY *key,
+ unsigned char *ivec);
+void aes192_t4_cbc_decrypt(const unsigned char *in, unsigned char *out,
+ size_t len, const AES_KEY *key,
+ unsigned char *ivec);
+void aes256_t4_cbc_encrypt(const unsigned char *in, unsigned char *out,
+ size_t len, const AES_KEY *key,
+ unsigned char *ivec);
+void aes256_t4_cbc_decrypt(const unsigned char *in, unsigned char *out,
+ size_t len, const AES_KEY *key,
+ unsigned char *ivec);
+void aes128_t4_ctr32_encrypt(const unsigned char *in, unsigned char *out,
+ size_t blocks, const AES_KEY *key,
+ unsigned char *ivec);
+void aes192_t4_ctr32_encrypt(const unsigned char *in, unsigned char *out,
+ size_t blocks, const AES_KEY *key,
+ unsigned char *ivec);
+void aes256_t4_ctr32_encrypt(const unsigned char *in, unsigned char *out,
+ size_t blocks, const AES_KEY *key,
+ unsigned char *ivec);
+
+static int aes_t4_init_key(PROV_AES_KEY *dat, const unsigned char *key,
+ size_t keylen)
+{
+ int ret, bits;
+
+ bits = keylen * 8;
+ if ((dat->mode == EVP_CIPH_ECB_MODE || dat->mode == EVP_CIPH_CBC_MODE)
+ && !dat->enc) {
+ ret = 0;
+ aes_t4_set_decrypt_key(key, bits, &dat->ks.ks);
+ dat->block = (block128_f) aes_t4_decrypt;
+ switch (bits) {
+ case 128:
+ dat->stream.cbc = dat->mode == EVP_CIPH_CBC_MODE ?
+ (cbc128_f) aes128_t4_cbc_decrypt : NULL;
+ break;
+ case 192:
+ dat->stream.cbc = dat->mode == EVP_CIPH_CBC_MODE ?
+ (cbc128_f) aes192_t4_cbc_decrypt : NULL;
+ break;
+ case 256:
+ dat->stream.cbc = dat->mode == EVP_CIPH_CBC_MODE ?
+ (cbc128_f) aes256_t4_cbc_decrypt : NULL;
+ break;
+ default:
+ ret = -1;
+ }
+ } else {
+ ret = 0;
+ aes_t4_set_encrypt_key(key, bits, &dat->ks.ks);
+ dat->block = (block128_f)aes_t4_encrypt;
+ switch (bits) {
+ case 128:
+ if (dat->mode == EVP_CIPH_CBC_MODE)
+ dat->stream.cbc = (cbc128_f)aes128_t4_cbc_encrypt;
+ else if (dat->mode == EVP_CIPH_CTR_MODE)
+ dat->stream.ctr = (ctr128_f)aes128_t4_ctr32_encrypt;
+ else
+ dat->stream.cbc = NULL;
+ break;
+ case 192:
+ if (dat->mode == EVP_CIPH_CBC_MODE)
+ dat->stream.cbc = (cbc128_f)aes192_t4_cbc_encrypt;
+ else if (dat->mode == EVP_CIPH_CTR_MODE)
+ dat->stream.ctr = (ctr128_f)aes192_t4_ctr32_encrypt;
+ else
+ dat->stream.cbc = NULL;
+ break;
+ case 256:
+ if (dat->mode == EVP_CIPH_CBC_MODE)
+ dat->stream.cbc = (cbc128_f)aes256_t4_cbc_encrypt;
+ else if (dat->mode == EVP_CIPH_CTR_MODE)
+ dat->stream.ctr = (ctr128_f)aes256_t4_ctr32_encrypt;
+ else
+ dat->stream.cbc = NULL;
+ break;
+ default:
+ ret = -1;
+ }
+ }
+
+ if (ret < 0) {
+ EVPerr(EVP_F_AES_T4_INIT_KEY, EVP_R_AES_KEY_SETUP_FAILED);
+ return 0;
+ }
+
+ return 1;
+}
+
+# define aes_t4_cbc_cipher aes_cbc_cipher
+static int aes_t4_cbc_cipher(PROV_AES_KEY *ctx, unsigned char *out,
+ const unsigned char *in, size_t len);
+
+# define aes_t4_ecb_cipher aes_ecb_cipher
+static int aes_t4_ecb_cipher(PROV_AES_KEY *ctx, unsigned char *out,
+ const unsigned char *in, size_t len);
+
+# define aes_t4_ofb_cipher aes_ofb_cipher
+static int aes_t4_ofb_cipher(PROV_AES_KEY *ctx, unsigned char *out,
+ const unsigned char *in, size_t len);
+
+# define aes_t4_cfb_cipher aes_cfb_cipher
+static int aes_t4_cfb_cipher(PROV_AES_KEY *ctx, unsigned char *out,
+ const unsigned char *in, size_t len);
+
+# define aes_t4_cfb8_cipher aes_cfb8_cipher
+static int aes_t4_cfb8_cipher(PROV_AES_KEY *ctx, unsigned char *out,
+ const unsigned char *in, size_t len);
+
+# define aes_t4_cfb1_cipher aes_cfb1_cipher
+static int aes_t4_cfb1_cipher(PROV_AES_KEY *ctx, unsigned char *out,
+ const unsigned char *in, size_t len);
+
+# define aes_t4_ctr_cipher aes_ctr_cipher
+static int aes_t4_ctr_cipher(PROV_AES_KEY *ctx, unsigned char *out,
+ const unsigned char *in, size_t len);
+
+# define BLOCK_CIPHER_generic_prov(mode) \
+static const PROV_AES_CIPHER aes_t4_##mode = { \
+ aes_t4_init_key, \
+ aes_t4_##mode##_cipher}; \
+static const PROV_AES_CIPHER aes_##mode = { \
+ aes_init_key, \
+ aes_##mode##_cipher}; \
+const PROV_AES_CIPHER *PROV_AES_CIPHER_##mode(void) \
+{ return SPARC_AES_CAPABLE?&aes_t4_##mode:&aes_##mode; }
+
+
+#elif defined(OPENSSL_CPUID_OBJ) && defined(__s390__)
+/*
+ * IBM S390X support
+ */
+# include "s390x_arch.h"
+
+typedef struct {
+ union {
+ double align;
+ /*-
+ * KM-AES parameter block - begin
+ * (see z/Architecture Principles of Operation >= SA22-7832-06)
+ */
+ struct {
+ unsigned char k[32];
+ } param;
+ /* KM-AES parameter block - end */
+ } km;
+ unsigned int fc;
+} S390X_AES_ECB_CTX;
+
+typedef struct {
+ union {
+ double align;
+ /*-
+ * KMO-AES parameter block - begin
+ * (see z/Architecture Principles of Operation >= SA22-7832-08)
+ */
+ struct {
+ unsigned char cv[16];
+ unsigned char k[32];
+ } param;
+ /* KMO-AES parameter block - end */
+ } kmo;
+ unsigned int fc;
+
+ int res;
+} S390X_AES_OFB_CTX;
+
+typedef struct {
+ union {
+ double align;
+ /*-
+ * KMF-AES parameter block - begin
+ * (see z/Architecture Principles of Operation >= SA22-7832-08)
+ */
+ struct {
+ unsigned char cv[16];
+ unsigned char k[32];
+ } param;
+ /* KMF-AES parameter block - end */
+ } kmf;
+ unsigned int fc;
+
+ int res;
+} S390X_AES_CFB_CTX;
+
+/* Convert key size to function code: [16,24,32] -> [18,19,20]. */
+# define S390X_AES_FC(keylen) (S390X_AES_128 + ((((keylen) << 3) - 128) >> 6))
+
+/* Most modes of operation need km for partial block processing. */
+# define S390X_aes_128_CAPABLE (OPENSSL_s390xcap_P.km[0] & \
+ S390X_CAPBIT(S390X_AES_128))
+# define S390X_aes_192_CAPABLE (OPENSSL_s390xcap_P.km[0] & \
+ S390X_CAPBIT(S390X_AES_192))
+# define S390X_aes_256_CAPABLE (OPENSSL_s390xcap_P.km[0] & \
+ S390X_CAPBIT(S390X_AES_256))
+
+# define s390x_aes_init_key aes_init_key
+static int s390x_aes_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
+ const unsigned char *iv, int enc);
+
+# define S390X_aes_128_cbc_CAPABLE 1 /* checked by callee */
+# define S390X_aes_192_cbc_CAPABLE 1
+# define S390X_aes_256_cbc_CAPABLE 1
+# define S390X_AES_CBC_CTX PROV_AES_KEY
+
+# define s390x_aes_cbc_init_key aes_init_key
+
+# define s390x_aes_cbc_cipher aes_cbc_cipher
+static int s390x_aes_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
+ const unsigned char *in, size_t len);
+
+# define S390X_aes_128_ecb_CAPABLE S390X_aes_128_CAPABLE
+# define S390X_aes_192_ecb_CAPABLE S390X_aes_192_CAPABLE
+# define S390X_aes_256_ecb_CAPABLE S390X_aes_256_CAPABLE
+
+static int s390x_aes_ecb_init_key(EVP_CIPHER_CTX *ctx,
+ const unsigned char *key,
+ const unsigned char *iv, int enc)
+{
+ S390X_AES_ECB_CTX *cctx = EVP_C_DATA(S390X_AES_ECB_CTX, ctx);
+ const int keylen = EVP_CIPHER_CTX_key_length(ctx);
+
+ cctx->fc = S390X_AES_FC(keylen);
+ if (!enc)
+ cctx->fc |= S390X_DECRYPT;
+
+ memcpy(cctx->km.param.k, key, keylen);
+ return 1;
+}
+
+static int s390x_aes_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
+ const unsigned char *in, size_t len)
+{
+ S390X_AES_ECB_CTX *cctx = EVP_C_DATA(S390X_AES_ECB_CTX, ctx);
+
+ s390x_km(in, len, out, cctx->fc, &cctx->km.param);
+ return 1;
+}
+
+# define S390X_aes_128_ofb_CAPABLE (S390X_aes_128_CAPABLE && \
+ (OPENSSL_s390xcap_P.kmo[0] & \
+ S390X_CAPBIT(S390X_AES_128)))
+# define S390X_aes_192_ofb_CAPABLE (S390X_aes_192_CAPABLE && \
+ (OPENSSL_s390xcap_P.kmo[0] & \
+ S390X_CAPBIT(S390X_AES_192)))
+# define S390X_aes_256_ofb_CAPABLE (S390X_aes_256_CAPABLE && \
+ (OPENSSL_s390xcap_P.kmo[0] & \
+ S390X_CAPBIT(S390X_AES_256)))
+
+static int s390x_aes_ofb_init_key(EVP_CIPHER_CTX *ctx,
+ const unsigned char *key,
+ const unsigned char *ivec, int enc)
+{
+ S390X_AES_OFB_CTX *cctx = EVP_C_DATA(S390X_AES_OFB_CTX, ctx);
+ const unsigned char *iv = EVP_CIPHER_CTX_original_iv(ctx);
+ const int keylen = EVP_CIPHER_CTX_key_length(ctx);
+ const int ivlen = EVP_CIPHER_CTX_iv_length(ctx);
+
+ memcpy(cctx->kmo.param.cv, iv, ivlen);
+ memcpy(cctx->kmo.param.k, key, keylen);
+ cctx->fc = S390X_AES_FC(keylen);
+ cctx->res = 0;
+ return 1;
+}
+
+static int s390x_aes_ofb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
+ const unsigned char *in, size_t len)
+{
+ S390X_AES_OFB_CTX *cctx = EVP_C_DATA(S390X_AES_OFB_CTX, ctx);
+ int n = cctx->res;
+ int rem;
+
+ while (n && len) {
+ *out = *in ^ cctx->kmo.param.cv[n];
+ n = (n + 1) & 0xf;
+ --len;
+ ++in;
+ ++out;
+ }
+
+ rem = len & 0xf;
+
+ len &= ~(size_t)0xf;
+ if (len) {
+ s390x_kmo(in, len, out, cctx->fc, &cctx->kmo.param);
+
+ out += len;
+ in += len;
+ }
+
+ if (rem) {
+ s390x_km(cctx->kmo.param.cv, 16, cctx->kmo.param.cv, cctx->fc,
+ cctx->kmo.param.k);
+
+ while (rem--) {
+ out[n] = in[n] ^ cctx->kmo.param.cv[n];
+ ++n;
+ }
+ }
+
+ cctx->res = n;
+ return 1;
+}
+
+# define S390X_aes_128_cfb_CAPABLE (S390X_aes_128_CAPABLE && \
+ (OPENSSL_s390xcap_P.kmf[0] & \
+ S390X_CAPBIT(S390X_AES_128)))
+# define S390X_aes_192_cfb_CAPABLE (S390X_aes_192_CAPABLE && \
+ (OPENSSL_s390xcap_P.kmf[0] & \
+ S390X_CAPBIT(S390X_AES_192)))
+# define S390X_aes_256_cfb_CAPABLE (S390X_aes_256_CAPABLE && \
+ (OPENSSL_s390xcap_P.kmf[0] & \
+ S390X_CAPBIT(S390X_AES_256)))
+
+static int s390x_aes_cfb_init_key(EVP_CIPHER_CTX *ctx,
+ const unsigned char *key,
+ const unsigned char *ivec, int enc)
+{
+ S390X_AES_CFB_CTX *cctx = EVP_C_DATA(S390X_AES_CFB_CTX, ctx);
+ const unsigned char *iv = EVP_CIPHER_CTX_original_iv(ctx);
+ const int keylen = EVP_CIPHER_CTX_key_length(ctx);
+ const int ivlen = EVP_CIPHER_CTX_iv_length(ctx);
+
+ cctx->fc = S390X_AES_FC(keylen);
+ cctx->fc |= 16 << 24; /* 16 bytes cipher feedback */
+ if (!enc)
+ cctx->fc |= S390X_DECRYPT;
+
+ cctx->res = 0;
+ memcpy(cctx->kmf.param.cv, iv, ivlen);
+ memcpy(cctx->kmf.param.k, key, keylen);
+ return 1;
+}
+
+static int s390x_aes_cfb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
+ const unsigned char *in, size_t len)
+{
+ S390X_AES_CFB_CTX *cctx = EVP_C_DATA(S390X_AES_CFB_CTX, ctx);
+ const int keylen = EVP_CIPHER_CTX_key_length(ctx);
+ const int enc = EVP_CIPHER_CTX_encrypting(ctx);
+ int n = cctx->res;
+ int rem;
+ unsigned char tmp;
+
+ while (n && len) {
+ tmp = *in;
+ *out = cctx->kmf.param.cv[n] ^ tmp;
+ cctx->kmf.param.cv[n] = enc ? *out : tmp;
+ n = (n + 1) & 0xf;
+ --len;
+ ++in;
+ ++out;
+ }
+
+ rem = len & 0xf;
+
+ len &= ~(size_t)0xf;
+ if (len) {
+ s390x_kmf(in, len, out, cctx->fc, &cctx->kmf.param);
+
+ out += len;
+ in += len;
+ }
+
+ if (rem) {
+ s390x_km(cctx->kmf.param.cv, 16, cctx->kmf.param.cv,
+ S390X_AES_FC(keylen), cctx->kmf.param.k);
+
+ while (rem--) {
+ tmp = in[n];
+ out[n] = cctx->kmf.param.cv[n] ^ tmp;
+ cctx->kmf.param.cv[n] = enc ? out[n] : tmp;
+ ++n;
+ }
+ }
+
+ cctx->res = n;
+ return 1;
+}
+
+# define S390X_aes_128_cfb8_CAPABLE (OPENSSL_s390xcap_P.kmf[0] & \
+ S390X_CAPBIT(S390X_AES_128))
+# define S390X_aes_192_cfb8_CAPABLE (OPENSSL_s390xcap_P.kmf[0] & \
+ S390X_CAPBIT(S390X_AES_192))
+# define S390X_aes_256_cfb8_CAPABLE (OPENSSL_s390xcap_P.kmf[0] & \
+ S390X_CAPBIT(S390X_AES_256))
+
+static int s390x_aes_cfb8_init_key(EVP_CIPHER_CTX *ctx,
+ const unsigned char *key,
+ const unsigned char *ivec, int enc)
+{
+ S390X_AES_CFB_CTX *cctx = EVP_C_DATA(S390X_AES_CFB_CTX, ctx);
+ const unsigned char *iv = EVP_CIPHER_CTX_original_iv(ctx);
+ const int keylen = EVP_CIPHER_CTX_key_length(ctx);
+ const int ivlen = EVP_CIPHER_CTX_iv_length(ctx);
+
+ cctx->fc = S390X_AES_FC(keylen);
+ cctx->fc |= 1 << 24; /* 1 byte cipher feedback */
+ if (!enc)
+ cctx->fc |= S390X_DECRYPT;
+
+ memcpy(cctx->kmf.param.cv, iv, ivlen);
+ memcpy(cctx->kmf.param.k, key, keylen);
+ return 1;
+}
+
+static int s390x_aes_cfb8_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
+ const unsigned char *in, size_t len)
+{
+ S390X_AES_CFB_CTX *cctx = EVP_C_DATA(S390X_AES_CFB_CTX, ctx);
+
+ s390x_kmf(in, len, out, cctx->fc, &cctx->kmf.param);
+ return 1;
+}
+
+# define S390X_aes_128_cfb1_CAPABLE 0
+# define S390X_aes_192_cfb1_CAPABLE 0
+# define S390X_aes_256_cfb1_CAPABLE 0
+
+# define s390x_aes_cfb1_init_key aes_init_key
+
+# define s390x_aes_cfb1_cipher aes_cfb1_cipher
+static int s390x_aes_cfb1_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
+ const unsigned char *in, size_t len);
+
+# define S390X_aes_128_ctr_CAPABLE 1 /* checked by callee */
+# define S390X_aes_192_ctr_CAPABLE 1
+# define S390X_aes_256_ctr_CAPABLE 1
+# define S390X_AES_CTR_CTX PROV_AES_KEY
+
+# define s390x_aes_ctr_init_key aes_init_key
+
+# define s390x_aes_ctr_cipher aes_ctr_cipher
+static int s390x_aes_ctr_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
+ const unsigned char *in, size_t len);
+
+
+# define BLOCK_CIPHER_generic(nid,keylen,blocksize,ivlen,nmode,mode, \
+ MODE,flags) \
+static const EVP_CIPHER s390x_aes_##keylen##_##mode = { \
+ nid##_##keylen##_##nmode,blocksize, \
+ keylen / 8, \
+ ivlen, \
+ flags | EVP_CIPH_##MODE##_MODE, \
+ s390x_aes_##mode##_init_key, \
+ s390x_aes_##mode##_cipher, \
+ NULL, \
+ sizeof(S390X_AES_##MODE##_CTX), \
+ NULL, \
+ NULL, \
+ NULL, \
+ NULL \
+}; \
+static const EVP_CIPHER aes_##keylen##_##mode = { \
+ nid##_##keylen##_##nmode, \
+ blocksize, \
+ keylen / 8, \
+ ivlen, \
+ flags | EVP_CIPH_##MODE##_MODE, \
+ aes_init_key, \
+ aes_##mode##_cipher, \
+ NULL, \
+ sizeof(PROV_AES_KEY), \
+ NULL, \
+ NULL, \
+ NULL, \
+ NULL \
+}; \
+const EVP_CIPHER *EVP_aes_##keylen##_##mode(void) \
+{ \
+ return S390X_aes_##keylen##_##mode##_CAPABLE ? \
+ &s390x_aes_##keylen##_##mode : &aes_##keylen##_##mode; \
+}
+
+#else
+
+# define BLOCK_CIPHER_generic_prov(mode) \
+static const PROV_AES_CIPHER aes_##mode = { \
+ aes_init_key, \
+ aes_##mode##_cipher}; \
+const PROV_AES_CIPHER *PROV_AES_CIPHER_##mode(void) \
+{ return &aes_##mode; }
+
+#endif
+
+#if defined(OPENSSL_CPUID_OBJ) && (defined(__arm__) || defined(__arm) || defined(__aarch64__))
+# include "arm_arch.h"
+# if __ARM_MAX_ARCH__>=7
+# if defined(BSAES_ASM)
+# define BSAES_CAPABLE (OPENSSL_armcap_P & ARMV7_NEON)
+# endif
+# if defined(VPAES_ASM)
+# define VPAES_CAPABLE (OPENSSL_armcap_P & ARMV7_NEON)
+# endif
+# define HWAES_CAPABLE (OPENSSL_armcap_P & ARMV8_AES)
+# define HWAES_set_encrypt_key aes_v8_set_encrypt_key
+# define HWAES_set_decrypt_key aes_v8_set_decrypt_key
+# define HWAES_encrypt aes_v8_encrypt
+# define HWAES_decrypt aes_v8_decrypt
+# define HWAES_cbc_encrypt aes_v8_cbc_encrypt
+# define HWAES_ctr32_encrypt_blocks aes_v8_ctr32_encrypt_blocks
+# endif
+#endif
+
+#if defined(HWAES_CAPABLE)
+int HWAES_set_encrypt_key(const unsigned char *userKey, const int bits,
+ AES_KEY *key);
+int HWAES_set_decrypt_key(const unsigned char *userKey, const int bits,
+ AES_KEY *key);
+void HWAES_encrypt(const unsigned char *in, unsigned char *out,
+ const AES_KEY *key);
+void HWAES_decrypt(const unsigned char *in, unsigned char *out,
+ const AES_KEY *key);
+void HWAES_cbc_encrypt(const unsigned char *in, unsigned char *out,
+ size_t length, const AES_KEY *key,
+ unsigned char *ivec, const int enc);
+void HWAES_ctr32_encrypt_blocks(const unsigned char *in, unsigned char *out,
+ size_t len, const AES_KEY *key,
+ const unsigned char ivec[16]);
+#endif
+
+static int aes_init_key(PROV_AES_KEY *dat, const unsigned char *key,
+ size_t keylen)
+{
+ int ret;
+
+ if ((dat->mode == EVP_CIPH_ECB_MODE || dat->mode == EVP_CIPH_CBC_MODE)
+ && !dat->enc) {
+#ifdef HWAES_CAPABLE
+ if (HWAES_CAPABLE) {
+ ret = HWAES_set_decrypt_key(key, keylen * 8, &dat->ks.ks);
+ dat->block = (block128_f)HWAES_decrypt;
+ dat->stream.cbc = NULL;
+# ifdef HWAES_cbc_encrypt
+ if (dat->mode == EVP_CIPH_CBC_MODE)
+ dat->stream.cbc = (cbc128_f)HWAES_cbc_encrypt;
+# endif
+ } else
+#endif
+#ifdef BSAES_CAPABLE
+ if (BSAES_CAPABLE && dat->mode == EVP_CIPH_CBC_MODE) {
+ ret = AES_set_decrypt_key(key, keylen * 8, &dat->ks.ks);
+ dat->block = (block128_f)AES_decrypt;
+ dat->stream.cbc = (cbc128_f)bsaes_cbc_encrypt;
+ } else
+#endif
+#ifdef VPAES_CAPABLE
+ if (VPAES_CAPABLE) {
+ ret = vpaes_set_decrypt_key(key, keylen * 8, &dat->ks.ks);
+ dat->block = (block128_f)vpaes_decrypt;
+ dat->stream.cbc = (dat->mode == EVP_CIPH_CBC_MODE)
+ ?(cbc128_f)vpaes_cbc_encrypt : NULL;
+ } else
+#endif
+ {
+ ret = AES_set_decrypt_key(key, keylen * 8, &dat->ks.ks);
+ dat->block = (block128_f)AES_decrypt;
+ dat->stream.cbc = (dat->mode == EVP_CIPH_CBC_MODE)
+ ? (cbc128_f)AES_cbc_encrypt : NULL;
+ }
+ } else
+#ifdef HWAES_CAPABLE
+ if (HWAES_CAPABLE) {
+ ret = HWAES_set_encrypt_key(key, keylen * 8, &dat->ks.ks);
+ dat->block = (block128_f)HWAES_encrypt;
+ dat->stream.cbc = NULL;
+# ifdef HWAES_cbc_encrypt
+ if (dat->mode == EVP_CIPH_CBC_MODE)
+ dat->stream.cbc = (cbc128_f)HWAES_cbc_encrypt;
+ else
+# endif
+# ifdef HWAES_ctr32_encrypt_blocks
+ if (dat->mode == EVP_CIPH_CTR_MODE)
+ dat->stream.ctr = (ctr128_f)HWAES_ctr32_encrypt_blocks;
+ else
+# endif
+ (void)0; /* terminate potentially open 'else' */
+ } else
+#endif
+#ifdef BSAES_CAPABLE
+ if (BSAES_CAPABLE && dat->mode == EVP_CIPH_CTR_MODE) {
+ ret = AES_set_encrypt_key(key, keylen * 8, &dat->ks.ks);
+ dat->block = (block128_f)AES_encrypt;
+ dat->stream.ctr = (ctr128_f)bsaes_ctr32_encrypt_blocks;
+ } else
+#endif
+#ifdef VPAES_CAPABLE
+ if (VPAES_CAPABLE) {
+ ret = vpaes_set_encrypt_key(key, keylen * 8, &dat->ks.ks);
+ dat->block = (block128_f)vpaes_encrypt;
+ dat->stream.cbc = (dat->mode == EVP_CIPH_CBC_MODE)
+ ? (cbc128_f)vpaes_cbc_encrypt : NULL;
+ } else
+#endif
+ {
+ ret = AES_set_encrypt_key(key, keylen * 8, &dat->ks.ks);
+ dat->block = (block128_f)AES_encrypt;
+ dat->stream.cbc = (dat->mode == EVP_CIPH_CBC_MODE)
+ ? (cbc128_f)AES_cbc_encrypt : NULL;
+#ifdef AES_CTR_ASM
+ if (dat->mode == EVP_CIPH_CTR_MODE)
+ dat->stream.ctr = (ctr128_f)AES_ctr32_encrypt;
+#endif
+ }
+
+ if (ret < 0) {
+ EVPerr(EVP_F_AES_INIT_KEY, EVP_R_AES_KEY_SETUP_FAILED);
+ return 0;
+ }
+
+ return 1;
+}
+
+static int aes_cbc_cipher(PROV_AES_KEY *dat, unsigned char *out,
+ const unsigned char *in, size_t len)
+{
+ if (dat->stream.cbc)
+ (*dat->stream.cbc) (in, out, len, &dat->ks, dat->iv, dat->enc);
+ else if (dat->enc)
+ CRYPTO_cbc128_encrypt(in, out, len, &dat->ks, dat->iv, dat->block);
+ else
+ CRYPTO_cbc128_decrypt(in, out, len, &dat->ks, dat->iv, dat->block);
+
+ return 1;
+}
+
+static int aes_ecb_cipher(PROV_AES_KEY *dat, unsigned char *out,
+ const unsigned char *in, size_t len)
+{
+ size_t i;
+
+ if (len < AES_BLOCK_SIZE)
+ return 1;
+
+ for (i = 0, len -= AES_BLOCK_SIZE; i <= len; i += AES_BLOCK_SIZE)
+ (*dat->block) (in + i, out + i, &dat->ks);
+
+ return 1;
+}
+
+static int aes_ofb_cipher(PROV_AES_KEY *dat, unsigned char *out,
+ const unsigned char *in, size_t len)
+{
+ int num = dat->num;
+ CRYPTO_ofb128_encrypt(in, out, len, &dat->ks, dat->iv, &num, dat->block);
+ dat->num = num;
+
+ return 1;
+}
+
+static int aes_cfb_cipher(PROV_AES_KEY *dat, unsigned char *out,
+ const unsigned char *in, size_t len)
+{
+ int num = dat->num;
+ CRYPTO_cfb128_encrypt(in, out, len, &dat->ks, dat->iv, &num, dat->enc,
+ dat->block);
+ dat->num = num;
+
+ return 1;
+}
+
+static int aes_cfb8_cipher(PROV_AES_KEY *dat, unsigned char *out,
+ const unsigned char *in, size_t len)
+{
+ int num = dat->num;
+ CRYPTO_cfb128_8_encrypt(in, out, len, &dat->ks, dat->iv, &num, dat->enc,
+ dat->block);
+ dat->num = num;
+
+ return 1;
+}
+
+static int aes_cfb1_cipher(PROV_AES_KEY *dat, unsigned char *out,
+ const unsigned char *in, size_t len)
+{
+ int num = dat->num;
+
+ if ((dat->flags & EVP_CIPH_FLAG_LENGTH_BITS) != 0) {
+ CRYPTO_cfb128_1_encrypt(in, out, len, &dat->ks, dat->iv, &num,
+ dat->enc, dat->block);
+ dat->num = num;
+ return 1;
+ }
+
+ while (len >= MAXBITCHUNK) {
+ CRYPTO_cfb128_1_encrypt(in, out, MAXBITCHUNK * 8, &dat->ks,
+ dat->iv, &num, dat->enc, dat->block);
+ len -= MAXBITCHUNK;
+ out += MAXBITCHUNK;
+ in += MAXBITCHUNK;
+ }
+ if (len)
+ CRYPTO_cfb128_1_encrypt(in, out, len * 8, &dat->ks, dat->iv, &num,
+ dat->enc, dat->block);
+
+ dat->num = num;
+
+ return 1;
+}
+
+static int aes_ctr_cipher(PROV_AES_KEY *dat, unsigned char *out,
+ const unsigned char *in, size_t len)
+{
+ unsigned int num = dat->num;
+
+ if (dat->stream.ctr)
+ CRYPTO_ctr128_encrypt_ctr32(in, out, len, &dat->ks, dat->iv, dat->buf,
+ &num, dat->stream.ctr);
+ else
+ CRYPTO_ctr128_encrypt(in, out, len, &dat->ks, dat->iv, dat->buf,
+ &num, dat->block);
+ dat->num = num;
+
+ return 1;
+}
+
+BLOCK_CIPHER_generic_prov(cbc)
+BLOCK_CIPHER_generic_prov(ecb)
+BLOCK_CIPHER_generic_prov(ofb)
+BLOCK_CIPHER_generic_prov(cfb)
+BLOCK_CIPHER_generic_prov(cfb1)
+BLOCK_CIPHER_generic_prov(cfb8)
+BLOCK_CIPHER_generic_prov(ctr)
+
projects / openssl.git / commitdiff