#include <openssl/objects.h>
#include <openssl/params.h>
#include <openssl/core_names.h>
+#include <openssl/dh.h>
#include "internal/evp_int.h"
#include "internal/provider.h"
#include "evp_locl.h"
int EVP_CIPHER_block_size(const EVP_CIPHER *cipher)
{
- if (cipher->prov != NULL) {
- if (cipher->blocksize != NULL)
- return cipher->blocksize();
- /* We default to a block size of 1 */
- return 1;
- }
- return cipher->block_size;
+ int ok;
+ size_t v = cipher->block_size;
+ OSSL_PARAM params[2] = { OSSL_PARAM_END, OSSL_PARAM_END };
+
+ params[0] = OSSL_PARAM_construct_size_t(OSSL_CIPHER_PARAM_BLOCK_SIZE, &v);
+ ok = evp_do_ciph_getparams(cipher, params);
+
+ return ok != 0 ? (int)v : EVP_CTRL_RET_UNSUPPORTED;
}
int EVP_CIPHER_CTX_block_size(const EVP_CIPHER_CTX *ctx)
unsigned long EVP_CIPHER_flags(const EVP_CIPHER *cipher)
{
- return cipher->flags;
+ int ok;
+ unsigned long v = cipher->flags;
+ OSSL_PARAM params[2] = { OSSL_PARAM_END, OSSL_PARAM_END };
+
+ params[0] = OSSL_PARAM_construct_ulong(OSSL_CIPHER_PARAM_FLAGS, &v);
+ ok = evp_do_ciph_getparams(cipher, params);
+
+ return ok != 0 ? v : 0;
}
void *EVP_CIPHER_CTX_get_app_data(const EVP_CIPHER_CTX *ctx)
int EVP_CIPHER_iv_length(const EVP_CIPHER *cipher)
{
- if (cipher->prov != NULL) {
- if (cipher->iv_length != NULL)
- return (int)cipher->iv_length();
- return 0;
- }
+ int ok;
+ size_t v = cipher->iv_len;
+ OSSL_PARAM params[2] = { OSSL_PARAM_END, OSSL_PARAM_END };
- return cipher->iv_len;
+ params[0] = OSSL_PARAM_construct_size_t(OSSL_CIPHER_PARAM_IVLEN, &v);
+ ok = evp_do_ciph_getparams(cipher, params);
+
+ return ok != 0 ? (int)v : EVP_CTRL_RET_UNSUPPORTED;
}
int EVP_CIPHER_CTX_iv_length(const EVP_CIPHER_CTX *ctx)
{
- return EVP_CIPHER_iv_length(ctx->cipher);
+ int rv;
+ size_t len, v = EVP_CIPHER_iv_length(ctx->cipher);
+ OSSL_PARAM params[2] = { OSSL_PARAM_END, OSSL_PARAM_END };
+
+ params[0] = OSSL_PARAM_construct_size_t(OSSL_CIPHER_PARAM_IVLEN, &v);
+ rv = evp_do_ciph_ctx_getparams(ctx->cipher, ctx->provctx, params);
+ if (rv == EVP_CTRL_RET_UNSUPPORTED)
+ goto legacy;
+ return rv != 0 ? (int)v : -1;
+ /* TODO (3.0) Remove legacy support */
+legacy:
+ if ((EVP_CIPHER_flags(ctx->cipher) & EVP_CIPH_CUSTOM_IV_LENGTH) != 0) {
+ rv = EVP_CIPHER_CTX_ctrl((EVP_CIPHER_CTX *)ctx, EVP_CTRL_GET_IVLEN,
+ 0, &len);
+ return (rv == 1) ? (int)len : -1;
+ }
+ return v;
}
const unsigned char *EVP_CIPHER_CTX_original_iv(const EVP_CIPHER_CTX *ctx)
return ctx->oiv;
}
+/*
+ * OSSL_PARAM_OCTET_PTR gets us the pointer to the running IV in the provider
+ */
const unsigned char *EVP_CIPHER_CTX_iv(const EVP_CIPHER_CTX *ctx)
{
- return ctx->iv;
+ int ok;
+ const unsigned char *v = ctx->iv;
+ OSSL_PARAM params[2] = { OSSL_PARAM_END, OSSL_PARAM_END };
+
+ params[0] =
+ OSSL_PARAM_construct_octet_ptr(OSSL_CIPHER_PARAM_IV, (void **)&v,
+ sizeof(ctx->iv));
+ ok = evp_do_ciph_ctx_getparams(ctx->cipher, ctx->provctx, params);
+
+ return ok != 0 ? v : NULL;
}
unsigned char *EVP_CIPHER_CTX_iv_noconst(EVP_CIPHER_CTX *ctx)
{
- return ctx->iv;
+ int ok;
+ unsigned char *v = ctx->iv;
+ OSSL_PARAM params[2] = { OSSL_PARAM_END, OSSL_PARAM_END };
+
+ params[0] =
+ OSSL_PARAM_construct_octet_ptr(OSSL_CIPHER_PARAM_IV, (void **)&v,
+ sizeof(ctx->iv));
+ ok = evp_do_ciph_ctx_getparams(ctx->cipher, ctx->provctx, params);
+
+ return ok != 0 ? v : NULL;
}
unsigned char *EVP_CIPHER_CTX_buf_noconst(EVP_CIPHER_CTX *ctx)
int EVP_CIPHER_CTX_num(const EVP_CIPHER_CTX *ctx)
{
- return ctx->num;
+ int ok;
+ unsigned int v = (unsigned int)ctx->num;
+ OSSL_PARAM params[2] = { OSSL_PARAM_END, OSSL_PARAM_END };
+
+ params[0] = OSSL_PARAM_construct_uint(OSSL_CIPHER_PARAM_NUM, &v);
+ ok = evp_do_ciph_ctx_getparams(ctx->cipher, ctx->provctx, params);
+
+ return ok != 0 ? (int)v : EVP_CTRL_RET_UNSUPPORTED;
}
-void EVP_CIPHER_CTX_set_num(EVP_CIPHER_CTX *ctx, int num)
+int EVP_CIPHER_CTX_set_num(EVP_CIPHER_CTX *ctx, int num)
{
- ctx->num = num;
+ int ok;
+ unsigned int n = (unsigned int)num;
+ OSSL_PARAM params[2] = { OSSL_PARAM_END, OSSL_PARAM_END };
+
+ params[0] = OSSL_PARAM_construct_uint(OSSL_CIPHER_PARAM_NUM, &n);
+ ok = evp_do_ciph_ctx_setparams(ctx->cipher, ctx->provctx, params);
+
+ if (ok != 0)
+ ctx->num = (int)n;
+ return ok != 0;
}
int EVP_CIPHER_key_length(const EVP_CIPHER *cipher)
{
- if (cipher->prov != NULL) {
- if (cipher->key_length != NULL)
- return (int)cipher->key_length();
- return -1;
- }
+ int ok;
+ size_t v = cipher->key_len;
+ OSSL_PARAM params[2] = { OSSL_PARAM_END, OSSL_PARAM_END };
+
+ params[0] = OSSL_PARAM_construct_size_t(OSSL_CIPHER_PARAM_KEYLEN, &v);
+ ok = evp_do_ciph_getparams(cipher, params);
- return cipher->key_len;
+ return ok != 0 ? (int)v : EVP_CTRL_RET_UNSUPPORTED;
}
int EVP_CIPHER_CTX_key_length(const EVP_CIPHER_CTX *ctx)
{
- /*
- * TODO(3.0): This may need to change if/when we introduce variable length
- * key ciphers into the providers.
- */
- if (ctx->cipher != NULL && ctx->cipher->prov != NULL)
- return EVP_CIPHER_key_length(ctx->cipher);
- return ctx->key_len;
+ int ok;
+ size_t v = ctx->key_len;
+ OSSL_PARAM params[2] = { OSSL_PARAM_END, OSSL_PARAM_END };
+
+ params[0] = OSSL_PARAM_construct_size_t(OSSL_CIPHER_PARAM_KEYLEN, &v);
+ ok = evp_do_ciph_ctx_getparams(ctx->cipher, ctx->provctx, params);
+
+ return ok != 0 ? (int)v : EVP_CTRL_RET_UNSUPPORTED;
}
int EVP_CIPHER_nid(const EVP_CIPHER *cipher)
return ctx->cipher->nid;
}
-int EVP_CIPHER_mode(const EVP_CIPHER *cipher)
+const char *EVP_CIPHER_name(const EVP_CIPHER *cipher)
{
- if (cipher->prov != NULL) {
- int mode;
+ if (cipher->prov != NULL)
+ return cipher->name;
+#ifndef FIPS_MODE
+ return OBJ_nid2sn(EVP_CIPHER_nid(cipher));
+#else
+ return NULL;
+#endif
+}
- /* Cipher comes from a provider - so ask the provider for the mode */
- OSSL_PARAM params[] = {
- OSSL_PARAM_int(OSSL_CIPHER_PARAM_MODE, NULL),
- OSSL_PARAM_END
- };
+const OSSL_PROVIDER *EVP_CIPHER_provider(const EVP_CIPHER *cipher)
+{
+ return cipher->prov;
+}
- params[0].data = &mode;
+int EVP_CIPHER_mode(const EVP_CIPHER *cipher)
+{
+ int ok;
+ unsigned int v = EVP_CIPHER_flags(cipher) & EVP_CIPH_MODE;
+ OSSL_PARAM params[2] = { OSSL_PARAM_END, OSSL_PARAM_END };
- if (cipher->get_params == NULL) {
- EVPerr(EVP_F_EVP_CIPHER_MODE, EVP_R_CTRL_NOT_IMPLEMENTED);
- return 0;
- }
+ params[0] = OSSL_PARAM_construct_uint(OSSL_CIPHER_PARAM_MODE, &v);
+ ok = evp_do_ciph_getparams(cipher, params);
- if (!cipher->get_params(params))
- return 0;
+ return ok != 0 ? (int)v : 0;
+}
- return mode;
- }
- return EVP_CIPHER_flags(cipher) & EVP_CIPH_MODE;
+const char *EVP_MD_name(const EVP_MD *md)
+{
+ if (md->prov != NULL)
+ return md->name;
+#ifndef FIPS_MODE
+ return OBJ_nid2sn(EVP_MD_nid(md));
+#else
+ return NULL;
+#endif
}
+const OSSL_PROVIDER *EVP_MD_provider(const EVP_MD *md)
+{
+ return md->prov;
+}
int EVP_MD_block_size(const EVP_MD *md)
{
+ int ok;
+ size_t v = md->block_size;
+ OSSL_PARAM params[2] = { OSSL_PARAM_END, OSSL_PARAM_END };
+
if (md == NULL) {
EVPerr(EVP_F_EVP_MD_BLOCK_SIZE, EVP_R_MESSAGE_DIGEST_IS_NULL);
return -1;
}
- if (md->prov != NULL && md->dblock_size != NULL)
- return (int)md->dblock_size();
+ params[0] = OSSL_PARAM_construct_size_t(OSSL_DIGEST_PARAM_BLOCK_SIZE, &v);
+ ok = evp_do_md_getparams(md, params);
- return md->block_size;
+ return ok != 0 ? (int)v : -1;
}
int EVP_MD_type(const EVP_MD *md)
int EVP_MD_size(const EVP_MD *md)
{
- if (!md) {
+ int ok;
+ size_t v = md->md_size;
+ OSSL_PARAM params[2] = { OSSL_PARAM_END, OSSL_PARAM_END };
+
+ if (md == NULL) {
EVPerr(EVP_F_EVP_MD_SIZE, EVP_R_MESSAGE_DIGEST_IS_NULL);
return -1;
}
- if (md->prov != NULL && md->size != NULL)
- return (int)md->size();
+ params[0] = OSSL_PARAM_construct_size_t(OSSL_DIGEST_PARAM_SIZE, &v);
+ ok = evp_do_md_getparams(md, params);
- return md->md_size;
+ return ok != 0 ? (int)v : -1;
}
unsigned long EVP_MD_flags(const EVP_MD *md)
{
- return md->flags;
+ int ok;
+ unsigned long v = md->flags;
+ OSSL_PARAM params[2] = { OSSL_PARAM_END, OSSL_PARAM_END };
+
+ params[0] = OSSL_PARAM_construct_ulong(OSSL_CIPHER_PARAM_FLAGS, &v);
+ ok = evp_do_md_getparams(md, params);
+
+ return ok != 0 ? v : 0;
}
EVP_MD *EVP_MD_meth_new(int md_type, int pkey_type)
{
- EVP_MD *md = OPENSSL_zalloc(sizeof(*md));
+ EVP_MD *md = evp_md_new();
if (md != NULL) {
md->type = md_type;
md->pkey_type = pkey_type;
- md->lock = CRYPTO_THREAD_lock_new();
- if (md->lock == NULL) {
- OPENSSL_free(md);
- return NULL;
- }
- md->refcnt = 1;
}
return md;
}
EVP_MD *EVP_MD_meth_dup(const EVP_MD *md)
{
- EVP_MD *to = EVP_MD_meth_new(md->type, md->pkey_type);
+ EVP_MD *to = NULL;
- if (to != NULL) {
+ /*
+ * Non-legacy EVP_MDs can't be duplicated like this.
+ * Use EVP_MD_up_ref() instead.
+ */
+ if (md->prov != NULL)
+ return NULL;
+
+ if ((to = EVP_MD_meth_new(md->type, md->pkey_type)) != NULL) {
CRYPTO_RWLOCK *lock = to->lock;
+
memcpy(to, md, sizeof(*to));
to->lock = lock;
}
return to;
}
-int EVP_MD_upref(EVP_MD *md)
-{
- int ref = 0;
-
- CRYPTO_UP_REF(&md->refcnt, &ref, md->lock);
- return 1;
-}
-
void EVP_MD_meth_free(EVP_MD *md)
{
- if (md != NULL) {
- int i;
-
- CRYPTO_DOWN_REF(&md->refcnt, &i, md->lock);
- if (i > 0)
- return;
- ossl_provider_free(md->prov);
- CRYPTO_THREAD_lock_free(md->lock);
- OPENSSL_free(md);
- }
+ EVP_MD_free(md);
}
int EVP_MD_meth_set_input_blocksize(EVP_MD *md, int blocksize)
{
+ if (md->block_size != 0)
+ return 0;
+
md->block_size = blocksize;
return 1;
}
int EVP_MD_meth_set_result_size(EVP_MD *md, int resultsize)
{
+ if (md->md_size != 0)
+ return 0;
+
md->md_size = resultsize;
return 1;
}
int EVP_MD_meth_set_app_datasize(EVP_MD *md, int datasize)
{
+ if (md->ctx_size != 0)
+ return 0;
+
md->ctx_size = datasize;
return 1;
}
int EVP_MD_meth_set_flags(EVP_MD *md, unsigned long flags)
{
+ if (md->flags != 0)
+ return 0;
+
md->flags = flags;
return 1;
}
int EVP_MD_meth_set_init(EVP_MD *md, int (*init)(EVP_MD_CTX *ctx))
{
+ if (md->init != NULL)
+ return 0;
+
md->init = init;
return 1;
}
const void *data,
size_t count))
{
+ if (md->update != NULL)
+ return 0;
+
md->update = update;
return 1;
}
int EVP_MD_meth_set_final(EVP_MD *md, int (*final)(EVP_MD_CTX *ctx,
unsigned char *md))
{
+ if (md->final != NULL)
+ return 0;
+
md->final = final;
return 1;
}
int EVP_MD_meth_set_copy(EVP_MD *md, int (*copy)(EVP_MD_CTX *to,
const EVP_MD_CTX *from))
{
+ if (md->copy != NULL)
+ return 0;
+
md->copy = copy;
return 1;
}
int EVP_MD_meth_set_cleanup(EVP_MD *md, int (*cleanup)(EVP_MD_CTX *ctx))
{
+ if (md->cleanup != NULL)
+ return 0;
+
md->cleanup = cleanup;
return 1;
}
int EVP_MD_meth_set_ctrl(EVP_MD *md, int (*ctrl)(EVP_MD_CTX *ctx, int cmd,
int p1, void *p2))
{
+ if (md->md_ctrl != NULL)
+ return 0;
+
md->md_ctrl = ctrl;
return 1;
}
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