#include <openssl/core_names.h>
#include <openssl/evp.h>
#include <openssl/params.h>
+#include <openssl/rand.h>
#include "internal/cryptlib.h"
#include "internal/provider_algs.h"
#include "ciphers_locl.h"
static OSSL_OP_cipher_cipher_fn aes_cipher;
static OSSL_OP_cipher_freectx_fn aes_freectx;
static OSSL_OP_cipher_dupctx_fn aes_dupctx;
-static OSSL_OP_cipher_key_length_fn key_length_256;
-static OSSL_OP_cipher_key_length_fn key_length_192;
-static OSSL_OP_cipher_key_length_fn key_length_128;
-static OSSL_OP_cipher_iv_length_fn iv_length_16;
-static OSSL_OP_cipher_iv_length_fn iv_length_0;
-static OSSL_OP_cipher_block_size_fn block_size_16;
-static OSSL_OP_cipher_block_size_fn block_size_1;
static OSSL_OP_cipher_ctx_get_params_fn aes_ctx_get_params;
static OSSL_OP_cipher_ctx_set_params_fn aes_ctx_set_params;
}
if (key != NULL) {
if (keylen != ctx->keylen) {
- PROVerr(PROV_F_AES_EINIT, PROV_R_INVALID_KEYLEN);
+ PROVerr(PROV_F_AES_EINIT, PROV_R_INVALID_KEY_LENGTH);
return 0;
}
return ctx->ciph->init(ctx, key, ctx->keylen);
}
if (key != NULL) {
if (keylen != ctx->keylen) {
- PROVerr(PROV_F_AES_DINIT, PROV_R_INVALID_KEYLEN);
+ PROVerr(PROV_F_AES_DINIT, PROV_R_INVALID_KEY_LENGTH);
return 0;
}
return ctx->ciph->init(ctx, key, ctx->keylen);
return 1;
}
-static int aes_cipher(void *vctx, unsigned char *out, const unsigned char *in,
- size_t inl)
+static int aes_cipher(void *vctx,
+ unsigned char *out, size_t *outl, size_t outsize,
+ const unsigned char *in, size_t inl)
{
PROV_AES_KEY *ctx = (PROV_AES_KEY *)vctx;
+ if (outsize < inl) {
+ PROVerr(PROV_F_AES_CIPHER, PROV_R_OUTPUT_BUFFER_TOO_SMALL);
+ return 0;
+ }
+
if (!ctx->ciph->cipher(ctx, out, in, inl)) {
PROVerr(PROV_F_AES_CIPHER, PROV_R_CIPHER_OPERATION_FAILED);
return 0;
}
+ *outl = inl;
+ return 1;
+}
+
+static void *aes_new_ctx(void *provctx, size_t mode, size_t kbits,
+ const PROV_AES_CIPHER *ciph)
+{
+ PROV_AES_KEY *ctx = OPENSSL_zalloc(sizeof(*ctx));
+
+ ctx->pad = 1;
+ ctx->keylen = kbits / 8;
+ ctx->ciph = ciph;
+ ctx->mode = mode;
+ return ctx;
+}
+
+int aes_get_params(OSSL_PARAM params[], int md, unsigned long flags,
+ int kbits, int blkbits, int ivbits)
+{
+ OSSL_PARAM *p;
+
+ p = OSSL_PARAM_locate(params, OSSL_CIPHER_PARAM_MODE);
+ if (p != NULL) {
+ if (!OSSL_PARAM_set_int(p, md))
+ return 0;
+ }
+ p = OSSL_PARAM_locate(params, OSSL_CIPHER_PARAM_FLAGS);
+ if (p != NULL) {
+ if (!OSSL_PARAM_set_ulong(p, flags))
+ return 0;
+ }
+ p = OSSL_PARAM_locate(params, OSSL_CIPHER_PARAM_KEYLEN);
+ if (p != NULL) {
+ if (!OSSL_PARAM_set_int(p, kbits / 8))
+ return 0;
+ }
+ p = OSSL_PARAM_locate(params, OSSL_CIPHER_PARAM_BLOCK_SIZE);
+ if (p != NULL) {
+ if (!OSSL_PARAM_set_int(p, blkbits / 8))
+ return 0;
+ }
+ p = OSSL_PARAM_locate(params, OSSL_CIPHER_PARAM_IVLEN);
+ if (p != NULL) {
+ if (!OSSL_PARAM_set_int(p, ivbits / 8))
+ return 0;
+ }
return 1;
}
-#define IMPLEMENT_new_params(lcmode, UCMODE) \
- static OSSL_OP_cipher_get_params_fn aes_##lcmode##_get_params; \
- static int aes_##lcmode##_get_params(const OSSL_PARAM params[]) \
- { \
- const OSSL_PARAM *p; \
- \
- p = OSSL_PARAM_locate(params, OSSL_CIPHER_PARAM_MODE); \
- if (p != NULL && !OSSL_PARAM_set_int(p, EVP_CIPH_##UCMODE##_MODE)) \
- return 0; \
- \
- return 1; \
- }
-
-#define IMPLEMENT_new_ctx(lcmode, UCMODE, len) \
- static OSSL_OP_cipher_newctx_fn aes_##len##_##lcmode##_newctx; \
- static void *aes_##len##_##lcmode##_newctx(void) \
- { \
- PROV_AES_KEY *ctx = OPENSSL_zalloc(sizeof(*ctx)); \
- \
- ctx->pad = 1; \
- ctx->keylen = (len / 8); \
- ctx->ciph = PROV_AES_CIPHER_##lcmode(ctx->keylen); \
- ctx->mode = EVP_CIPH_##UCMODE##_MODE; \
- return ctx; \
+#define IMPLEMENT_cipher(lcmode, UCMODE, flags, kbits, blkbits, ivbits) \
+ static OSSL_OP_cipher_get_params_fn aes_##kbits##_##lcmode##_get_params; \
+ static int aes_##kbits##_##lcmode##_get_params(OSSL_PARAM params[]) \
+ { \
+ return aes_get_params(params, EVP_CIPH_##UCMODE##_MODE, flags, kbits, \
+ blkbits, ivbits); \
+ } \
+ static OSSL_OP_cipher_newctx_fn aes_##kbits##_##lcmode##_newctx; \
+ static void *aes_##kbits##_##lcmode##_newctx(void *provctx) \
+ { \
+ return aes_new_ctx(provctx, EVP_CIPH_##UCMODE##_MODE, kbits, \
+ PROV_AES_CIPHER_##lcmode(kbits / 8)); \
}
/* ECB */
-IMPLEMENT_new_params(ecb, ECB)
-IMPLEMENT_new_ctx(ecb, ECB, 256)
-IMPLEMENT_new_ctx(ecb, ECB, 192)
-IMPLEMENT_new_ctx(ecb, ECB, 128)
+IMPLEMENT_cipher(ecb, ECB, 0, 256, 128, 0)
+IMPLEMENT_cipher(ecb, ECB, 0, 192, 128, 0)
+IMPLEMENT_cipher(ecb, ECB, 0, 128, 128, 0)
/* CBC */
-IMPLEMENT_new_params(cbc, CBC)
-IMPLEMENT_new_ctx(cbc, CBC, 256)
-IMPLEMENT_new_ctx(cbc, CBC, 192)
-IMPLEMENT_new_ctx(cbc, CBC, 128)
+IMPLEMENT_cipher(cbc, CBC, 0, 256, 128, 128)
+IMPLEMENT_cipher(cbc, CBC, 0, 192, 128, 128)
+IMPLEMENT_cipher(cbc, CBC, 0, 128, 128, 128)
/* OFB */
-IMPLEMENT_new_params(ofb, OFB)
-IMPLEMENT_new_ctx(ofb, OFB, 256)
-IMPLEMENT_new_ctx(ofb, OFB, 192)
-IMPLEMENT_new_ctx(ofb, OFB, 128)
+IMPLEMENT_cipher(ofb, OFB, 0, 256, 8, 128)
+IMPLEMENT_cipher(ofb, OFB, 0, 192, 8, 128)
+IMPLEMENT_cipher(ofb, OFB, 0, 128, 8, 128)
/* CFB */
-IMPLEMENT_new_params(cfb, CFB)
-IMPLEMENT_new_params(cfb1, CFB)
-IMPLEMENT_new_params(cfb8, CFB)
-IMPLEMENT_new_ctx(cfb, CFB, 256)
-IMPLEMENT_new_ctx(cfb, CFB, 192)
-IMPLEMENT_new_ctx(cfb, CFB, 128)
-IMPLEMENT_new_ctx(cfb1, CFB, 256)
-IMPLEMENT_new_ctx(cfb1, CFB, 192)
-IMPLEMENT_new_ctx(cfb1, CFB, 128)
-IMPLEMENT_new_ctx(cfb8, CFB, 256)
-IMPLEMENT_new_ctx(cfb8, CFB, 192)
-IMPLEMENT_new_ctx(cfb8, CFB, 128)
+IMPLEMENT_cipher(cfb, CFB, 0, 256, 8, 128)
+IMPLEMENT_cipher(cfb, CFB, 0, 192, 8, 128)
+IMPLEMENT_cipher(cfb, CFB, 0, 128, 8, 128)
+IMPLEMENT_cipher(cfb1, CFB, 0, 256, 8, 128)
+IMPLEMENT_cipher(cfb1, CFB, 0, 192, 8, 128)
+IMPLEMENT_cipher(cfb1, CFB, 0, 128, 8, 128)
+IMPLEMENT_cipher(cfb8, CFB, 0, 256, 8, 128)
+IMPLEMENT_cipher(cfb8, CFB, 0, 192, 8, 128)
+IMPLEMENT_cipher(cfb8, CFB, 0, 128, 8, 128)
/* CTR */
-IMPLEMENT_new_params(ctr, CTR)
-IMPLEMENT_new_ctx(ctr, CTR, 256)
-IMPLEMENT_new_ctx(ctr, CTR, 192)
-IMPLEMENT_new_ctx(ctr, CTR, 128)
+IMPLEMENT_cipher(ctr, CTR, 0, 256, 8, 128)
+IMPLEMENT_cipher(ctr, CTR, 0, 192, 8, 128)
+IMPLEMENT_cipher(ctr, CTR, 0, 128, 8, 128)
static void aes_freectx(void *vctx)
{
return ret;
}
-static size_t key_length_256(void)
-{
- return 256 / 8;
-}
-
-static size_t key_length_192(void)
-{
- return 192 / 8;
-}
-
-static size_t key_length_128(void)
-{
- return 128 / 8;
-}
-
-static size_t iv_length_16(void)
-{
- return 16;
-}
-
-static size_t iv_length_0(void)
-{
- return 0;
-}
-
-static size_t block_size_16(void)
-{
- return 16;
-}
-
-static size_t block_size_1(void)
-{
- return 1;
-}
-
-static int aes_ctx_get_params(void *vctx, const OSSL_PARAM params[])
+static int aes_ctx_get_params(void *vctx, OSSL_PARAM params[])
{
PROV_AES_KEY *ctx = (PROV_AES_KEY *)vctx;
- const OSSL_PARAM *p;
+ OSSL_PARAM *p;
+ p = OSSL_PARAM_locate(params, OSSL_CIPHER_PARAM_IVLEN);
+ if (p != NULL) {
+ if (!OSSL_PARAM_set_int(p, AES_BLOCK_SIZE))
+ return 0;
+ }
p = OSSL_PARAM_locate(params, OSSL_CIPHER_PARAM_PADDING);
if (p != NULL && !OSSL_PARAM_set_int(p, ctx->pad)) {
PROVerr(PROV_F_AES_CTX_GET_PARAMS, PROV_R_FAILED_TO_SET_PARAMETER);
return 0;
}
+ p = OSSL_PARAM_locate(params, OSSL_CIPHER_PARAM_IV);
+ if (p != NULL
+ && !OSSL_PARAM_set_octet_ptr(p, &ctx->iv, AES_BLOCK_SIZE)
+ && !OSSL_PARAM_set_octet_string(p, &ctx->iv, AES_BLOCK_SIZE)) {
+ PROVerr(PROV_F_AES_CTX_GET_PARAMS,
+ PROV_R_FAILED_TO_SET_PARAMETER);
+ return 0;
+ }
+ p = OSSL_PARAM_locate(params, OSSL_CIPHER_PARAM_NUM);
+ if (p != NULL && !OSSL_PARAM_set_size_t(p, ctx->num)) {
+ PROVerr(PROV_F_AES_CTX_GET_PARAMS,
+ 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)) {
+ PROVerr(PROV_F_AES_CTX_GET_PARAMS,
+ PROV_R_FAILED_TO_SET_PARAMETER);
+ return 0;
+ }
return 1;
}
PROV_AES_KEY *ctx = (PROV_AES_KEY *)vctx;
const OSSL_PARAM *p;
- p = OSSL_PARAM_locate(params, OSSL_CIPHER_PARAM_PADDING);
+ p = OSSL_PARAM_locate_const(params, OSSL_CIPHER_PARAM_PADDING);
if (p != NULL) {
int pad;
if (!OSSL_PARAM_get_int(p, &pad)) {
- PROVerr(PROV_F_AES_CTX_SET_PARAMS, PROV_R_FAILED_TO_GET_PARAMETER);
+ PROVerr(PROV_F_AES_CTX_SET_PARAMS,
+ PROV_R_FAILED_TO_GET_PARAMETER);
return 0;
}
ctx->pad = pad ? 1 : 0;
}
+ p = OSSL_PARAM_locate_const(params, OSSL_CIPHER_PARAM_NUM);
+ if (p != NULL) {
+ int num;
+
+ if (!OSSL_PARAM_get_int(p, &num)) {
+ PROVerr(PROV_F_AES_CTX_SET_PARAMS,
+ PROV_R_FAILED_TO_GET_PARAMETER);
+ return 0;
+ }
+ ctx->num = num;
+ }
+ p = OSSL_PARAM_locate_const(params, OSSL_CIPHER_PARAM_KEYLEN);
+ if (p != NULL) {
+ int keylen;
+
+ if (!OSSL_PARAM_get_int(p, &keylen)) {
+ PROVerr(PROV_F_AES_CTX_SET_PARAMS,
+ PROV_R_FAILED_TO_GET_PARAMETER);
+ return 0;
+ }
+ ctx->keylen = keylen;
+ }
return 1;
}
-#define IMPLEMENT_block_funcs(mode, keylen, ivlen) \
- const OSSL_DISPATCH aes##keylen##mode##_functions[] = { \
- { OSSL_FUNC_CIPHER_NEWCTX, (void (*)(void))aes_##keylen##_##mode##_newctx }, \
+#define IMPLEMENT_block_funcs(mode, kbits) \
+ const OSSL_DISPATCH aes##kbits##mode##_functions[] = { \
+ { OSSL_FUNC_CIPHER_NEWCTX, (void (*)(void))aes_##kbits##_##mode##_newctx }, \
{ OSSL_FUNC_CIPHER_ENCRYPT_INIT, (void (*)(void))aes_einit }, \
{ OSSL_FUNC_CIPHER_DECRYPT_INIT, (void (*)(void))aes_dinit }, \
{ OSSL_FUNC_CIPHER_UPDATE, (void (*)(void))aes_block_update }, \
{ OSSL_FUNC_CIPHER_CIPHER, (void (*)(void))aes_cipher }, \
{ OSSL_FUNC_CIPHER_FREECTX, (void (*)(void))aes_freectx }, \
{ OSSL_FUNC_CIPHER_DUPCTX, (void (*)(void))aes_dupctx }, \
- { OSSL_FUNC_CIPHER_KEY_LENGTH, (void (*)(void))key_length_##keylen }, \
- { OSSL_FUNC_CIPHER_IV_LENGTH, (void (*)(void))iv_length_##ivlen }, \
- { OSSL_FUNC_CIPHER_BLOCK_SIZE, (void (*)(void))block_size_16 }, \
- { OSSL_FUNC_CIPHER_GET_PARAMS, (void (*)(void))aes_##mode##_get_params }, \
+ { OSSL_FUNC_CIPHER_GET_PARAMS, (void (*)(void))aes_##kbits##_##mode##_get_params }, \
{ OSSL_FUNC_CIPHER_CTX_GET_PARAMS, (void (*)(void))aes_ctx_get_params }, \
{ OSSL_FUNC_CIPHER_CTX_SET_PARAMS, (void (*)(void))aes_ctx_set_params }, \
{ 0, NULL } \
};
-#define IMPLEMENT_stream_funcs(mode, keylen, ivlen) \
- const OSSL_DISPATCH aes##keylen##mode##_functions[] = { \
- { OSSL_FUNC_CIPHER_NEWCTX, (void (*)(void))aes_##keylen##_##mode##_newctx }, \
+#define IMPLEMENT_stream_funcs(mode, kbits) \
+ const OSSL_DISPATCH aes##kbits##mode##_functions[] = { \
+ { OSSL_FUNC_CIPHER_NEWCTX, (void (*)(void))aes_##kbits##_##mode##_newctx }, \
{ OSSL_FUNC_CIPHER_ENCRYPT_INIT, (void (*)(void))aes_einit }, \
{ OSSL_FUNC_CIPHER_DECRYPT_INIT, (void (*)(void))aes_dinit }, \
{ OSSL_FUNC_CIPHER_UPDATE, (void (*)(void))aes_stream_update }, \
{ OSSL_FUNC_CIPHER_CIPHER, (void (*)(void))aes_cipher }, \
{ OSSL_FUNC_CIPHER_FREECTX, (void (*)(void))aes_freectx }, \
{ OSSL_FUNC_CIPHER_DUPCTX, (void (*)(void))aes_dupctx }, \
- { OSSL_FUNC_CIPHER_KEY_LENGTH, (void (*)(void))key_length_##keylen }, \
- { OSSL_FUNC_CIPHER_IV_LENGTH, (void (*)(void))iv_length_##ivlen }, \
- { OSSL_FUNC_CIPHER_BLOCK_SIZE, (void (*)(void))block_size_1 }, \
- { OSSL_FUNC_CIPHER_GET_PARAMS, (void (*)(void))aes_##mode##_get_params }, \
+ { OSSL_FUNC_CIPHER_GET_PARAMS, (void (*)(void))aes_##kbits##_##mode##_get_params }, \
{ OSSL_FUNC_CIPHER_CTX_GET_PARAMS, (void (*)(void))aes_ctx_get_params }, \
{ OSSL_FUNC_CIPHER_CTX_SET_PARAMS, (void (*)(void))aes_ctx_set_params }, \
{ 0, NULL } \
};
/* ECB */
-IMPLEMENT_block_funcs(ecb, 256, 0)
-IMPLEMENT_block_funcs(ecb, 192, 0)
-IMPLEMENT_block_funcs(ecb, 128, 0)
+IMPLEMENT_block_funcs(ecb, 256)
+IMPLEMENT_block_funcs(ecb, 192)
+IMPLEMENT_block_funcs(ecb, 128)
/* CBC */
-IMPLEMENT_block_funcs(cbc, 256, 16)
-IMPLEMENT_block_funcs(cbc, 192, 16)
-IMPLEMENT_block_funcs(cbc, 128, 16)
+IMPLEMENT_block_funcs(cbc, 256)
+IMPLEMENT_block_funcs(cbc, 192)
+IMPLEMENT_block_funcs(cbc, 128)
/* OFB */
-IMPLEMENT_stream_funcs(ofb, 256, 16)
-IMPLEMENT_stream_funcs(ofb, 192, 16)
-IMPLEMENT_stream_funcs(ofb, 128, 16)
+IMPLEMENT_stream_funcs(ofb, 256)
+IMPLEMENT_stream_funcs(ofb, 192)
+IMPLEMENT_stream_funcs(ofb, 128)
/* CFB */
-IMPLEMENT_stream_funcs(cfb, 256, 16)
-IMPLEMENT_stream_funcs(cfb, 192, 16)
-IMPLEMENT_stream_funcs(cfb, 128, 16)
-IMPLEMENT_stream_funcs(cfb1, 256, 16)
-IMPLEMENT_stream_funcs(cfb1, 192, 16)
-IMPLEMENT_stream_funcs(cfb1, 128, 16)
-IMPLEMENT_stream_funcs(cfb8, 256, 16)
-IMPLEMENT_stream_funcs(cfb8, 192, 16)
-IMPLEMENT_stream_funcs(cfb8, 128, 16)
+IMPLEMENT_stream_funcs(cfb, 256)
+IMPLEMENT_stream_funcs(cfb, 192)
+IMPLEMENT_stream_funcs(cfb, 128)
+IMPLEMENT_stream_funcs(cfb1, 256)
+IMPLEMENT_stream_funcs(cfb1, 192)
+IMPLEMENT_stream_funcs(cfb1, 128)
+IMPLEMENT_stream_funcs(cfb8, 256)
+IMPLEMENT_stream_funcs(cfb8, 192)
+IMPLEMENT_stream_funcs(cfb8, 128)
/* CTR */
-IMPLEMENT_stream_funcs(ctr, 256, 16)
-IMPLEMENT_stream_funcs(ctr, 192, 16)
-IMPLEMENT_stream_funcs(ctr, 128, 16)
+IMPLEMENT_stream_funcs(ctr, 256)
+IMPLEMENT_stream_funcs(ctr, 192)
+IMPLEMENT_stream_funcs(ctr, 128)
projects / thirdparty / openssl.git / blobdiff