#include <openssl/opensslconf.h>
#include <openssl/crypto.h>
-#include <openssl/dso.h>
#include <openssl/engine.h>
#include <openssl/evp.h>
#ifndef OPENSSL_NO_AES
# endif
# ifdef OPENSSL_NO_DYNAMIC_ENGINE
-
-void ENGINE_load_padlock(void)
+void engine_load_padlock_internal(void);
+void engine_load_padlock_internal(void)
{
/* On non-x86 CPUs it just returns. */
# ifdef COMPILE_HW_PADLOCK
/* Check available features */
padlock_available();
-# if 1 /* disable RNG for now, see commentary in
- * vicinity of RNG code */
+ /*
+ * RNG is currently disabled for reasons discussed in commentary just
+ * before padlock_rand_bytes function.
+ */
padlock_use_rng = 0;
-# endif
/* Generate a nice engine name with available features */
BIO_snprintf(padlock_name, sizeof(padlock_name),
{
ENGINE *eng = ENGINE_new();
- if (!eng) {
+ if (eng == NULL) {
return NULL;
}
}
IMPLEMENT_DYNAMIC_CHECK_FN()
- IMPLEMENT_DYNAMIC_BIND_FN(padlock_bind_fn)
+IMPLEMENT_DYNAMIC_BIND_FN(padlock_bind_fn)
# endif /* DYNAMIC_ENGINE */
/* ===== Here comes the "real" engine ===== */
# ifndef OPENSSL_NO_AES
# define NEAREST_ALIGNED(ptr) ( (unsigned char *)(ptr) + \
( (0x10 - ((size_t)(ptr) & 0x0F)) & 0x0F ) )
# define ALIGNED_CIPHER_DATA(ctx) ((struct padlock_cipher_data *)\
- NEAREST_ALIGNED(ctx->cipher_data))
+ NEAREST_ALIGNED(EVP_CIPHER_CTX_get_cipher_data(ctx)))
static int
padlock_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out_arg,
struct padlock_cipher_data *cdata = ALIGNED_CIPHER_DATA(ctx);
int ret;
- memcpy(cdata->iv, ctx->iv, AES_BLOCK_SIZE);
+ memcpy(cdata->iv, EVP_CIPHER_CTX_iv(ctx), AES_BLOCK_SIZE);
if ((ret = padlock_cbc_encrypt(out_arg, in_arg, cdata, nbytes)))
- memcpy(ctx->iv, cdata->iv, AES_BLOCK_SIZE);
+ memcpy(EVP_CIPHER_CTX_iv_noconst(ctx), cdata->iv, AES_BLOCK_SIZE);
return ret;
}
struct padlock_cipher_data *cdata = ALIGNED_CIPHER_DATA(ctx);
size_t chunk;
- if ((chunk = ctx->num)) { /* borrow chunk variable */
- unsigned char *ivp = ctx->iv;
+ if ((chunk = EVP_CIPHER_CTX_num(ctx))) { /* borrow chunk variable */
+ unsigned char *ivp = EVP_CIPHER_CTX_iv_noconst(ctx);
if (chunk >= AES_BLOCK_SIZE)
return 0; /* bogus value */
- if (ctx->encrypt)
+ if (EVP_CIPHER_CTX_encrypting(ctx))
while (chunk < AES_BLOCK_SIZE && nbytes != 0) {
ivp[chunk] = *(out_arg++) = *(in_arg++) ^ ivp[chunk];
chunk++, nbytes--;
ivp[chunk++] = c, nbytes--;
}
- ctx->num = chunk % AES_BLOCK_SIZE;
+ EVP_CIPHER_CTX_set_num(ctx, chunk % AES_BLOCK_SIZE);
}
if (nbytes == 0)
return 1;
- memcpy(cdata->iv, ctx->iv, AES_BLOCK_SIZE);
+ memcpy(cdata->iv, EVP_CIPHER_CTX_iv(ctx), AES_BLOCK_SIZE);
if ((chunk = nbytes & ~(AES_BLOCK_SIZE - 1))) {
if (!padlock_cfb_encrypt(out_arg, in_arg, cdata, chunk))
out_arg += chunk;
in_arg += chunk;
- ctx->num = nbytes;
+ EVP_CIPHER_CTX_set_num(ctx, nbytes);
if (cdata->cword.b.encdec) {
cdata->cword.b.encdec = 0;
padlock_reload_key();
}
}
- memcpy(ctx->iv, cdata->iv, AES_BLOCK_SIZE);
+ memcpy(EVP_CIPHER_CTX_iv_noconst(ctx), cdata->iv, AES_BLOCK_SIZE);
return 1;
}
/*
* ctx->num is maintained in byte-oriented modes, such as CFB and OFB...
*/
- if ((chunk = ctx->num)) { /* borrow chunk variable */
- unsigned char *ivp = ctx->iv;
+ if ((chunk = EVP_CIPHER_CTX_num(ctx))) { /* borrow chunk variable */
+ unsigned char *ivp = EVP_CIPHER_CTX_iv_noconst(ctx);
if (chunk >= AES_BLOCK_SIZE)
return 0; /* bogus value */
chunk++, nbytes--;
}
- ctx->num = chunk % AES_BLOCK_SIZE;
+ EVP_CIPHER_CTX_set_num(ctx, chunk % AES_BLOCK_SIZE);
}
if (nbytes == 0)
return 1;
- memcpy(cdata->iv, ctx->iv, AES_BLOCK_SIZE);
+ memcpy(cdata->iv, EVP_CIPHER_CTX_iv(ctx), AES_BLOCK_SIZE);
if ((chunk = nbytes & ~(AES_BLOCK_SIZE - 1))) {
if (!padlock_ofb_encrypt(out_arg, in_arg, cdata, chunk))
out_arg += chunk;
in_arg += chunk;
- ctx->num = nbytes;
+ EVP_CIPHER_CTX_set_num(ctx, nbytes);
padlock_reload_key(); /* empirically found */
padlock_aes_block(ivp, ivp, cdata);
padlock_reload_key(); /* empirically found */
}
}
- memcpy(ctx->iv, cdata->iv, AES_BLOCK_SIZE);
+ memcpy(EVP_CIPHER_CTX_iv_noconst(ctx), cdata->iv, AES_BLOCK_SIZE);
return 1;
}
const unsigned char *in_arg, size_t nbytes)
{
struct padlock_cipher_data *cdata = ALIGNED_CIPHER_DATA(ctx);
- unsigned int num = ctx->num;
+ unsigned int num = EVP_CIPHER_CTX_num(ctx);
CRYPTO_ctr128_encrypt_ctr32(in_arg, out_arg, nbytes,
- cdata, ctx->iv, ctx->buf, &num,
+ cdata, EVP_CIPHER_CTX_iv_noconst(ctx),
+ EVP_CIPHER_CTX_buf_noconst(ctx), &num,
(ctr128_f) padlock_ctr32_encrypt_glue);
- ctx->num = (size_t)num;
+ EVP_CIPHER_CTX_set_num(ctx, (size_t)num);
return 1;
}
* of preprocessor magic :-)
*/
# define DECLARE_AES_EVP(ksize,lmode,umode) \
-static const EVP_CIPHER padlock_aes_##ksize##_##lmode = { \
- NID_aes_##ksize##_##lmode, \
- EVP_CIPHER_block_size_##umode, \
- AES_KEY_SIZE_##ksize, \
- AES_BLOCK_SIZE, \
- 0 | EVP_CIPH_##umode##_MODE, \
- padlock_aes_init_key, \
- padlock_##lmode##_cipher, \
- NULL, \
- sizeof(struct padlock_cipher_data) + 16, \
- EVP_CIPHER_set_asn1_iv, \
- EVP_CIPHER_get_asn1_iv, \
- NULL, \
- NULL \
+static EVP_CIPHER *_hidden_aes_##ksize##_##lmode = NULL; \
+static const EVP_CIPHER *padlock_aes_##ksize##_##lmode(void) \
+{ \
+ if (_hidden_aes_##ksize##_##lmode == NULL \
+ && ((_hidden_aes_##ksize##_##lmode = \
+ EVP_CIPHER_meth_new(NID_aes_##ksize##_##lmode, \
+ EVP_CIPHER_block_size_##umode, \
+ AES_KEY_SIZE_##ksize)) == NULL \
+ || !EVP_CIPHER_meth_set_iv_length(_hidden_aes_##ksize##_##lmode, \
+ AES_BLOCK_SIZE) \
+ || !EVP_CIPHER_meth_set_flags(_hidden_aes_##ksize##_##lmode, \
+ 0 | EVP_CIPH_##umode##_MODE) \
+ || !EVP_CIPHER_meth_set_init(_hidden_aes_##ksize##_##lmode, \
+ padlock_aes_init_key) \
+ || !EVP_CIPHER_meth_set_do_cipher(_hidden_aes_##ksize##_##lmode, \
+ padlock_##lmode##_cipher) \
+ || !EVP_CIPHER_meth_set_impl_ctx_size(_hidden_aes_##ksize##_##lmode, \
+ sizeof(struct padlock_cipher_data) + 16) \
+ || !EVP_CIPHER_meth_set_set_asn1_params(_hidden_aes_##ksize##_##lmode, \
+ EVP_CIPHER_set_asn1_iv) \
+ || !EVP_CIPHER_meth_set_get_asn1_params(_hidden_aes_##ksize##_##lmode, \
+ EVP_CIPHER_get_asn1_iv))) { \
+ EVP_CIPHER_meth_free(_hidden_aes_##ksize##_##lmode); \
+ _hidden_aes_##ksize##_##lmode = NULL; \
+ } \
+ return _hidden_aes_##ksize##_##lmode; \
}
-DECLARE_AES_EVP(128, ecb, ECB);
-DECLARE_AES_EVP(128, cbc, CBC);
-DECLARE_AES_EVP(128, cfb, CFB);
-DECLARE_AES_EVP(128, ofb, OFB);
-DECLARE_AES_EVP(128, ctr, CTR);
+DECLARE_AES_EVP(128, ecb, ECB)
+DECLARE_AES_EVP(128, cbc, CBC)
+DECLARE_AES_EVP(128, cfb, CFB)
+DECLARE_AES_EVP(128, ofb, OFB)
+DECLARE_AES_EVP(128, ctr, CTR)
-DECLARE_AES_EVP(192, ecb, ECB);
-DECLARE_AES_EVP(192, cbc, CBC);
-DECLARE_AES_EVP(192, cfb, CFB);
-DECLARE_AES_EVP(192, ofb, OFB);
-DECLARE_AES_EVP(192, ctr, CTR);
+DECLARE_AES_EVP(192, ecb, ECB)
+DECLARE_AES_EVP(192, cbc, CBC)
+DECLARE_AES_EVP(192, cfb, CFB)
+DECLARE_AES_EVP(192, ofb, OFB)
+DECLARE_AES_EVP(192, ctr, CTR)
-DECLARE_AES_EVP(256, ecb, ECB);
-DECLARE_AES_EVP(256, cbc, CBC);
-DECLARE_AES_EVP(256, cfb, CFB);
-DECLARE_AES_EVP(256, ofb, OFB);
-DECLARE_AES_EVP(256, ctr, CTR);
+DECLARE_AES_EVP(256, ecb, ECB)
+DECLARE_AES_EVP(256, cbc, CBC)
+DECLARE_AES_EVP(256, cfb, CFB)
+DECLARE_AES_EVP(256, ofb, OFB)
+DECLARE_AES_EVP(256, ctr, CTR)
static int
padlock_ciphers(ENGINE *e, const EVP_CIPHER **cipher, const int **nids,
/* ... or the requested "cipher" otherwise */
switch (nid) {
case NID_aes_128_ecb:
- *cipher = &padlock_aes_128_ecb;
+ *cipher = padlock_aes_128_ecb();
break;
case NID_aes_128_cbc:
- *cipher = &padlock_aes_128_cbc;
+ *cipher = padlock_aes_128_cbc();
break;
case NID_aes_128_cfb:
- *cipher = &padlock_aes_128_cfb;
+ *cipher = padlock_aes_128_cfb();
break;
case NID_aes_128_ofb:
- *cipher = &padlock_aes_128_ofb;
+ *cipher = padlock_aes_128_ofb();
break;
case NID_aes_128_ctr:
- *cipher = &padlock_aes_128_ctr;
+ *cipher = padlock_aes_128_ctr();
break;
case NID_aes_192_ecb:
- *cipher = &padlock_aes_192_ecb;
+ *cipher = padlock_aes_192_ecb();
break;
case NID_aes_192_cbc:
- *cipher = &padlock_aes_192_cbc;
+ *cipher = padlock_aes_192_cbc();
break;
case NID_aes_192_cfb:
- *cipher = &padlock_aes_192_cfb;
+ *cipher = padlock_aes_192_cfb();
break;
case NID_aes_192_ofb:
- *cipher = &padlock_aes_192_ofb;
+ *cipher = padlock_aes_192_ofb();
break;
case NID_aes_192_ctr:
- *cipher = &padlock_aes_192_ctr;
+ *cipher = padlock_aes_192_ctr();
break;
case NID_aes_256_ecb:
- *cipher = &padlock_aes_256_ecb;
+ *cipher = padlock_aes_256_ecb();
break;
case NID_aes_256_cbc:
- *cipher = &padlock_aes_256_cbc;
+ *cipher = padlock_aes_256_cbc();
break;
case NID_aes_256_cfb:
- *cipher = &padlock_aes_256_cfb;
+ *cipher = padlock_aes_256_cfb();
break;
case NID_aes_256_ofb:
- *cipher = &padlock_aes_256_ofb;
+ *cipher = padlock_aes_256_ofb();
break;
case NID_aes_256_ctr:
- *cipher = &padlock_aes_256_ctr;
+ *cipher = padlock_aes_256_ctr();
break;
default:
return 0; /* ERROR */
cdata = ALIGNED_CIPHER_DATA(ctx);
- memset(cdata, 0, sizeof(struct padlock_cipher_data));
+ memset(cdata, 0, sizeof(*cdata));
/* Prepare Control word. */
if (mode == EVP_CIPH_OFB_MODE || mode == EVP_CIPH_CTR_MODE)
cdata->cword.b.encdec = 0;
else
- cdata->cword.b.encdec = (ctx->encrypt == 0);
+ cdata->cword.b.encdec = (EVP_CIPHER_CTX_encrypting(ctx) == 0);
cdata->cword.b.rounds = 10 + (key_len - 128) / 32;
cdata->cword.b.ksize = (key_len - 128) / 64;
*output++ = (unsigned char)buf;
count--;
}
- *(volatile unsigned int *)&buf = 0;
+ OPENSSL_cleanse(&buf, sizeof(buf));
return 1;
}
padlock_rand_status, /* rand status */
};
-# else /* !COMPILE_HW_PADLOCK */
-# ifndef OPENSSL_NO_DYNAMIC_ENGINE
+# endif /* COMPILE_HW_PADLOCK */
+# endif /* !OPENSSL_NO_HW_PADLOCK */
+#endif /* !OPENSSL_NO_HW */
+
+#if defined(OPENSSL_NO_HW) || defined(OPENSSL_NO_HW_PADLOCK) \
+ || !defined(COMPILE_HW_PADLOCK)
+# ifndef OPENSSL_NO_DYNAMIC_ENGINE
OPENSSL_EXPORT
int bind_engine(ENGINE *e, const char *id, const dynamic_fns *fns);
OPENSSL_EXPORT
}
IMPLEMENT_DYNAMIC_CHECK_FN()
-# endif
-# endif /* COMPILE_HW_PADLOCK */
-# endif /* !OPENSSL_NO_HW_PADLOCK */
-#endif /* !OPENSSL_NO_HW */
+# endif
+#endif
projects / openssl.git / blobdiff