/*
- * Copyright 2015-2016 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 2015-2024 The OpenSSL Project Authors. All Rights Reserved.
*
- * Licensed under the OpenSSL license (the "License"). You may not use
+ * 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
*/
+/* We need to use some engine deprecated APIs */
+#define OPENSSL_SUPPRESS_DEPRECATED
+
+/*
+ * SHA-1 low level APIs are deprecated for public use, but still ok for
+ * internal use. Note, that due to symbols not being exported, only the
+ * #defines and structures can be accessed, in this case SHA_CBLOCK and
+ * sizeof(SHA_CTX).
+ */
+#include "internal/deprecated.h"
+
+#include <openssl/opensslconf.h>
#if defined(_WIN32)
# include <windows.h>
#endif
if (!init) {
const EVP_MD *md;
if ((md = dasync_sha1()) != NULL)
- digest_nids[pos++] = EVP_MD_type(md);
+ digest_nids[pos++] = EVP_MD_get_type(md);
digest_nids[pos] = 0;
init = 1;
}
}
/* RSA */
-
-static int dasync_pub_enc(int flen, const unsigned char *from,
- unsigned char *to, RSA *rsa, int padding);
-static int dasync_pub_dec(int flen, const unsigned char *from,
- unsigned char *to, RSA *rsa, int padding);
-static int dasync_rsa_priv_enc(int flen, const unsigned char *from,
- unsigned char *to, RSA *rsa, int padding);
-static int dasync_rsa_priv_dec(int flen, const unsigned char *from,
- unsigned char *to, RSA *rsa, int padding);
-static int dasync_rsa_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa,
- BN_CTX *ctx);
-
-static int dasync_rsa_init(RSA *rsa);
-static int dasync_rsa_finish(RSA *rsa);
-
-static RSA_METHOD *dasync_rsa_method = NULL;
+static int dasync_pkey(ENGINE *e, EVP_PKEY_METHOD **pmeth,
+ const int **pnids, int nid);
+
+static int dasync_rsa_init(EVP_PKEY_CTX *ctx);
+static void dasync_rsa_cleanup(EVP_PKEY_CTX *ctx);
+static int dasync_rsa_paramgen_init(EVP_PKEY_CTX *ctx);
+static int dasync_rsa_paramgen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey);
+static int dasync_rsa_keygen_init(EVP_PKEY_CTX *ctx);
+static int dasync_rsa_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey);
+static int dasync_rsa_encrypt_init(EVP_PKEY_CTX *ctx);
+static int dasync_rsa_encrypt(EVP_PKEY_CTX *ctx, unsigned char *out,
+ size_t *outlen, const unsigned char *in,
+ size_t inlen);
+static int dasync_rsa_decrypt_init(EVP_PKEY_CTX *ctx);
+static int dasync_rsa_decrypt(EVP_PKEY_CTX *ctx, unsigned char *out,
+ size_t *outlen, const unsigned char *in,
+ size_t inlen);
+static int dasync_rsa_ctrl(EVP_PKEY_CTX *ctx, int type, int p1, void *p2);
+static int dasync_rsa_ctrl_str(EVP_PKEY_CTX *ctx, const char *type,
+ const char *value);
+
+static EVP_PKEY_METHOD *dasync_rsa;
+static const EVP_PKEY_METHOD *dasync_rsa_orig;
/* AES */
const unsigned char *in, size_t inl);
static int dasync_aes128_cbc_cleanup(EVP_CIPHER_CTX *ctx);
+static int dasync_aes256_ctr_ctrl(EVP_CIPHER_CTX *ctx, int type, int arg,
+ void *ptr);
+static int dasync_aes256_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
+ const unsigned char *iv, int enc);
+static int dasync_aes256_ctr_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
+ const unsigned char *in, size_t inl);
+static int dasync_aes256_ctr_cleanup(EVP_CIPHER_CTX *ctx);
+
static int dasync_aes128_cbc_hmac_sha1_ctrl(EVP_CIPHER_CTX *ctx, int type,
int arg, void *ptr);
static int dasync_aes128_cbc_hmac_sha1_init_key(EVP_CIPHER_CTX *ctx,
unsigned char **inbufs;
unsigned char **outbufs;
size_t *lens;
- int enc;
unsigned char tlsaad[SSL_MAX_PIPELINES][EVP_AEAD_TLS1_AAD_LEN];
unsigned int aadctr;
};
return _hidden_aes_128_cbc;
}
+static EVP_CIPHER *_hidden_aes_256_ctr = NULL;
+static const EVP_CIPHER *dasync_aes_256_ctr(void)
+{
+ return _hidden_aes_256_ctr;
+}
+
/*
* Holds the EVP_CIPHER object for aes_128_cbc_hmac_sha1 in this engine. Set up
* once only during engine bind and can then be reused many times.
+ *
+ * This 'stitched' cipher depends on the EVP_aes_128_cbc_hmac_sha1() cipher,
+ * which is implemented only if the AES-NI instruction set extension is available
+ * (see OPENSSL_IA32CAP(3)). If that's not the case, then this cipher will not
+ * be available either.
+ *
+ * Note: Since it is a legacy mac-then-encrypt cipher, modern TLS peers (which
+ * negotiate the encrypt-then-mac extension) won't negotiate it anyway.
*/
static EVP_CIPHER *_hidden_aes_128_cbc_hmac_sha1 = NULL;
static const EVP_CIPHER *dasync_aes_128_cbc_hmac_sha1(void)
static void destroy_ciphers(void)
{
EVP_CIPHER_meth_free(_hidden_aes_128_cbc);
+ EVP_CIPHER_meth_free(_hidden_aes_256_ctr);
EVP_CIPHER_meth_free(_hidden_aes_128_cbc_hmac_sha1);
_hidden_aes_128_cbc = NULL;
+ _hidden_aes_256_ctr = NULL;
_hidden_aes_128_cbc_hmac_sha1 = NULL;
}
static int dasync_cipher_nids[] = {
NID_aes_128_cbc,
+ NID_aes_256_ctr,
NID_aes_128_cbc_hmac_sha1,
0
};
static int bind_dasync(ENGINE *e)
{
- /* Setup RSA_METHOD */
- if ((dasync_rsa_method = RSA_meth_new("Dummy Async RSA method", 0)) == NULL
- || RSA_meth_set_pub_enc(dasync_rsa_method, dasync_pub_enc) == 0
- || RSA_meth_set_pub_dec(dasync_rsa_method, dasync_pub_dec) == 0
- || RSA_meth_set_priv_enc(dasync_rsa_method, dasync_rsa_priv_enc) == 0
- || RSA_meth_set_priv_dec(dasync_rsa_method, dasync_rsa_priv_dec) == 0
- || RSA_meth_set_mod_exp(dasync_rsa_method, dasync_rsa_mod_exp) == 0
- || RSA_meth_set_bn_mod_exp(dasync_rsa_method, BN_mod_exp_mont) == 0
- || RSA_meth_set_init(dasync_rsa_method, dasync_rsa_init) == 0
- || RSA_meth_set_finish(dasync_rsa_method, dasync_rsa_finish) == 0) {
- DASYNCerr(DASYNC_F_BIND_DASYNC, DASYNC_R_INIT_FAILED);
+ /* Setup RSA */
+ if ((dasync_rsa_orig = EVP_PKEY_meth_find(EVP_PKEY_RSA)) == NULL
+ || (dasync_rsa = EVP_PKEY_meth_new(EVP_PKEY_RSA,
+ EVP_PKEY_FLAG_AUTOARGLEN)) == NULL)
return 0;
- }
+ EVP_PKEY_meth_set_init(dasync_rsa, dasync_rsa_init);
+ EVP_PKEY_meth_set_cleanup(dasync_rsa, dasync_rsa_cleanup);
+ EVP_PKEY_meth_set_paramgen(dasync_rsa, dasync_rsa_paramgen_init,
+ dasync_rsa_paramgen);
+ EVP_PKEY_meth_set_keygen(dasync_rsa, dasync_rsa_keygen_init,
+ dasync_rsa_keygen);
+ EVP_PKEY_meth_set_encrypt(dasync_rsa, dasync_rsa_encrypt_init,
+ dasync_rsa_encrypt);
+ EVP_PKEY_meth_set_decrypt(dasync_rsa, dasync_rsa_decrypt_init,
+ dasync_rsa_decrypt);
+ EVP_PKEY_meth_set_ctrl(dasync_rsa, dasync_rsa_ctrl,
+ dasync_rsa_ctrl_str);
/* Ensure the dasync error handling is set up */
ERR_load_DASYNC_strings();
if (!ENGINE_set_id(e, engine_dasync_id)
|| !ENGINE_set_name(e, engine_dasync_name)
- || !ENGINE_set_RSA(e, dasync_rsa_method)
+ || !ENGINE_set_pkey_meths(e, dasync_pkey)
|| !ENGINE_set_digests(e, dasync_digests)
|| !ENGINE_set_ciphers(e, dasync_ciphers)
|| !ENGINE_set_destroy_function(e, dasync_destroy)
|| !EVP_CIPHER_meth_set_flags(_hidden_aes_128_cbc,
EVP_CIPH_FLAG_DEFAULT_ASN1
| EVP_CIPH_CBC_MODE
- | EVP_CIPH_FLAG_PIPELINE)
+ | EVP_CIPH_FLAG_PIPELINE
+ | EVP_CIPH_CUSTOM_COPY)
|| !EVP_CIPHER_meth_set_init(_hidden_aes_128_cbc,
dasync_aes128_init_key)
|| !EVP_CIPHER_meth_set_do_cipher(_hidden_aes_128_cbc,
_hidden_aes_128_cbc = NULL;
}
+ _hidden_aes_256_ctr = EVP_CIPHER_meth_new(NID_aes_256_ctr,
+ 1 /* block size */,
+ 32 /* key len */);
+ if (_hidden_aes_256_ctr == NULL
+ || !EVP_CIPHER_meth_set_iv_length(_hidden_aes_256_ctr,16)
+ || !EVP_CIPHER_meth_set_flags(_hidden_aes_256_ctr,
+ EVP_CIPH_FLAG_DEFAULT_ASN1
+ | EVP_CIPH_CTR_MODE
+ | EVP_CIPH_FLAG_PIPELINE
+ | EVP_CIPH_CUSTOM_COPY)
+ || !EVP_CIPHER_meth_set_init(_hidden_aes_256_ctr,
+ dasync_aes256_init_key)
+ || !EVP_CIPHER_meth_set_do_cipher(_hidden_aes_256_ctr,
+ dasync_aes256_ctr_cipher)
+ || !EVP_CIPHER_meth_set_cleanup(_hidden_aes_256_ctr,
+ dasync_aes256_ctr_cleanup)
+ || !EVP_CIPHER_meth_set_ctrl(_hidden_aes_256_ctr,
+ dasync_aes256_ctr_ctrl)
+ || !EVP_CIPHER_meth_set_impl_ctx_size(_hidden_aes_256_ctr,
+ sizeof(struct dasync_pipeline_ctx))) {
+ EVP_CIPHER_meth_free(_hidden_aes_256_ctr);
+ _hidden_aes_256_ctr = NULL;
+ }
+
_hidden_aes_128_cbc_hmac_sha1 = EVP_CIPHER_meth_new(
NID_aes_128_cbc_hmac_sha1,
16 /* block size */,
EVP_CIPH_CBC_MODE
| EVP_CIPH_FLAG_DEFAULT_ASN1
| EVP_CIPH_FLAG_AEAD_CIPHER
- | EVP_CIPH_FLAG_PIPELINE)
+ | EVP_CIPH_FLAG_PIPELINE
+ | EVP_CIPH_CUSTOM_COPY)
|| !EVP_CIPHER_meth_set_init(_hidden_aes_128_cbc_hmac_sha1,
dasync_aes128_cbc_hmac_sha1_init_key)
|| !EVP_CIPHER_meth_set_do_cipher(_hidden_aes_128_cbc_hmac_sha1,
return 1;
}
+static void destroy_pkey(void)
+{
+ /*
+ * We don't actually need to free the dasync_rsa method since this is
+ * automatically freed for us by libcrypto.
+ */
+ dasync_rsa_orig = NULL;
+ dasync_rsa = NULL;
+}
+
# ifndef OPENSSL_NO_DYNAMIC_ENGINE
static int bind_helper(ENGINE *e, const char *id)
{
ENGINE *toadd = engine_dasync();
if (!toadd)
return;
+ ERR_set_mark();
ENGINE_add(toadd);
+ /*
+ * If the "add" worked, it gets a structural reference. So either way, we
+ * release our just-created reference.
+ */
ENGINE_free(toadd);
- ERR_clear_error();
+ /*
+ * If the "add" didn't work, it was probably a conflict because it was
+ * already added (eg. someone calling ENGINE_load_blah then calling
+ * ENGINE_load_builtin_engines() perhaps).
+ */
+ ERR_pop_to_mark();
}
static int dasync_init(ENGINE *e)
{
destroy_digests();
destroy_ciphers();
- RSA_meth_free(dasync_rsa_method);
+ destroy_pkey();
ERR_unload_DASYNC_strings();
return 1;
}
+static int dasync_pkey(ENGINE *e, EVP_PKEY_METHOD **pmeth,
+ const int **pnids, int nid)
+{
+ static const int rnid = EVP_PKEY_RSA;
+
+ if (pmeth == NULL) {
+ *pnids = &rnid;
+ return 1;
+ }
+
+ if (nid == EVP_PKEY_RSA) {
+ *pmeth = dasync_rsa;
+ return 1;
+ }
+
+ *pmeth = NULL;
+ return 0;
+}
+
static int dasync_digests(ENGINE *e, const EVP_MD **digest,
const int **nids, int nid)
{
case NID_aes_128_cbc:
*cipher = dasync_aes_128_cbc();
break;
+ case NID_aes_256_ctr:
+ *cipher = dasync_aes_256_ctr();
+ break;
case NID_aes_128_cbc_hmac_sha1:
*cipher = dasync_aes_128_cbc_hmac_sha1();
break;
static void dummy_pause_job(void) {
ASYNC_JOB *job;
ASYNC_WAIT_CTX *waitctx;
+ ASYNC_callback_fn callback;
+ void *callback_arg;
OSSL_ASYNC_FD pipefds[2] = {0, 0};
OSSL_ASYNC_FD *writefd;
#if defined(ASYNC_WIN)
waitctx = ASYNC_get_wait_ctx(job);
+ if (ASYNC_WAIT_CTX_get_callback(waitctx, &callback, &callback_arg) && callback != NULL) {
+ /*
+ * In the Dummy async engine we are cheating. We call the callback that the job
+ * is complete before the call to ASYNC_pause_job(). A real
+ * async engine would only call the callback when the job was actually complete
+ */
+ (*callback)(callback_arg);
+ ASYNC_pause_job();
+ return;
+ }
+
+
if (ASYNC_WAIT_CTX_get_fd(waitctx, engine_dasync_id, &pipefds[0],
(void **)&writefd)) {
pipefds[1] = *writefd;
* SHA1 implementation. At the moment we just defer to the standard
* implementation
*/
-#undef data
-#define data(ctx) ((SHA_CTX *)EVP_MD_CTX_md_data(ctx))
static int dasync_sha1_init(EVP_MD_CTX *ctx)
{
dummy_pause_job();
- return SHA1_Init(data(ctx));
+ return EVP_MD_meth_get_init(EVP_sha1())(ctx);
}
static int dasync_sha1_update(EVP_MD_CTX *ctx, const void *data,
{
dummy_pause_job();
- return SHA1_Update(data(ctx), data, (size_t)count);
+ return EVP_MD_meth_get_update(EVP_sha1())(ctx, data, count);
}
static int dasync_sha1_final(EVP_MD_CTX *ctx, unsigned char *md)
{
dummy_pause_job();
- return SHA1_Final(md, data(ctx));
-}
-
-/*
- * RSA implementation
- */
-
-static int dasync_pub_enc(int flen, const unsigned char *from,
- unsigned char *to, RSA *rsa, int padding) {
- /* Ignore errors - we carry on anyway */
- dummy_pause_job();
- return RSA_meth_get_pub_enc(RSA_PKCS1_OpenSSL())
- (flen, from, to, rsa, padding);
-}
-
-static int dasync_pub_dec(int flen, const unsigned char *from,
- unsigned char *to, RSA *rsa, int padding) {
- /* Ignore errors - we carry on anyway */
- dummy_pause_job();
- return RSA_meth_get_pub_dec(RSA_PKCS1_OpenSSL())
- (flen, from, to, rsa, padding);
-}
-
-static int dasync_rsa_priv_enc(int flen, const unsigned char *from,
- unsigned char *to, RSA *rsa, int padding)
-{
- /* Ignore errors - we carry on anyway */
- dummy_pause_job();
- return RSA_meth_get_priv_enc(RSA_PKCS1_OpenSSL())
- (flen, from, to, rsa, padding);
-}
-
-static int dasync_rsa_priv_dec(int flen, const unsigned char *from,
- unsigned char *to, RSA *rsa, int padding)
-{
- /* Ignore errors - we carry on anyway */
- dummy_pause_job();
- return RSA_meth_get_priv_dec(RSA_PKCS1_OpenSSL())
- (flen, from, to, rsa, padding);
-}
-
-static int dasync_rsa_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa, BN_CTX *ctx)
-{
- /* Ignore errors - we carry on anyway */
- dummy_pause_job();
- return RSA_meth_get_mod_exp(RSA_PKCS1_OpenSSL())(r0, I, rsa, ctx);
-}
-
-static int dasync_rsa_init(RSA *rsa)
-{
- return RSA_meth_get_init(RSA_PKCS1_OpenSSL())(rsa);
-}
-static int dasync_rsa_finish(RSA *rsa)
-{
- return RSA_meth_get_finish(RSA_PKCS1_OpenSSL())(rsa);
+ return EVP_MD_meth_get_final(EVP_sha1())(ctx, md);
}
/* Cipher helper functions */
static int dasync_cipher_ctrl_helper(EVP_CIPHER_CTX *ctx, int type, int arg,
- void *ptr, int aeadcapable)
+ void *ptr, int aeadcapable,
+ const EVP_CIPHER *ciph)
{
int ret;
struct dasync_pipeline_ctx *pipe_ctx =
return 0;
switch (type) {
+ case EVP_CTRL_COPY:
+ {
+ size_t sz = EVP_CIPHER_impl_ctx_size(ciph);
+ void *inner_cipher_data = OPENSSL_malloc(sz);
+
+ if (inner_cipher_data == NULL)
+ return -1;
+ memcpy(inner_cipher_data, pipe_ctx->inner_cipher_data, sz);
+ pipe_ctx->inner_cipher_data = inner_cipher_data;
+ }
+ break;
+
case EVP_CTRL_SET_PIPELINE_OUTPUT_BUFS:
pipe_ctx->numpipes = arg;
pipe_ctx->outbufs = (unsigned char **)ptr;
len = p[arg - 2] << 8 | p[arg - 1];
- if (pipe_ctx->enc) {
+ if (EVP_CIPHER_CTX_is_encrypting(ctx)) {
if ((p[arg - 4] << 8 | p[arg - 3]) >= TLS1_1_VERSION) {
if (len < AES_BLOCK_SIZE)
return 0;
&& EVP_CIPHER_impl_ctx_size(cipher) != 0) {
pipe_ctx->inner_cipher_data = OPENSSL_zalloc(
EVP_CIPHER_impl_ctx_size(cipher));
- if (pipe_ctx->inner_cipher_data == NULL) {
- DASYNCerr(DASYNC_F_DASYNC_CIPHER_INIT_KEY_HELPER,
- ERR_R_MALLOC_FAILURE);
+ if (pipe_ctx->inner_cipher_data == NULL)
return 0;
- }
}
pipe_ctx->numpipes = 0;
static int dasync_aes128_cbc_ctrl(EVP_CIPHER_CTX *ctx, int type, int arg,
void *ptr)
{
- return dasync_cipher_ctrl_helper(ctx, type, arg, ptr, 0);
+ return dasync_cipher_ctrl_helper(ctx, type, arg, ptr, 0, EVP_aes_128_cbc());
}
static int dasync_aes128_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
return dasync_cipher_cleanup_helper(ctx, EVP_aes_128_cbc());
}
+static int dasync_aes256_ctr_ctrl(EVP_CIPHER_CTX *ctx, int type, int arg,
+ void *ptr)
+{
+ return dasync_cipher_ctrl_helper(ctx, type, arg, ptr, 0, EVP_aes_256_ctr());
+}
+
+static int dasync_aes256_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
+ const unsigned char *iv, int enc)
+{
+ return dasync_cipher_init_key_helper(ctx, key, iv, enc, EVP_aes_256_ctr());
+}
+
+static int dasync_aes256_ctr_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
+ const unsigned char *in, size_t inl)
+{
+ return dasync_cipher_helper(ctx, out, in, inl, EVP_aes_256_ctr());
+}
+
+static int dasync_aes256_ctr_cleanup(EVP_CIPHER_CTX *ctx)
+{
+ return dasync_cipher_cleanup_helper(ctx, EVP_aes_256_ctr());
+}
+
/*
* AES128 CBC HMAC SHA1 Implementation
static int dasync_aes128_cbc_hmac_sha1_ctrl(EVP_CIPHER_CTX *ctx, int type,
int arg, void *ptr)
{
- return dasync_cipher_ctrl_helper(ctx, type, arg, ptr, 1);
+ return dasync_cipher_ctrl_helper(ctx, type, arg, ptr, 1, EVP_aes_128_cbc_hmac_sha1());
}
static int dasync_aes128_cbc_hmac_sha1_init_key(EVP_CIPHER_CTX *ctx,
const unsigned char *iv,
int enc)
{
+ /*
+ * We can safely assume that EVP_aes_128_cbc_hmac_sha1() != NULL,
+ * see comment before the definition of dasync_aes_128_cbc_hmac_sha1().
+ */
return dasync_cipher_init_key_helper(ctx, key, iv, enc,
EVP_aes_128_cbc_hmac_sha1());
}
static int dasync_aes128_cbc_hmac_sha1_cleanup(EVP_CIPHER_CTX *ctx)
{
+ /*
+ * We can safely assume that EVP_aes_128_cbc_hmac_sha1() != NULL,
+ * see comment before the definition of dasync_aes_128_cbc_hmac_sha1().
+ */
return dasync_cipher_cleanup_helper(ctx, EVP_aes_128_cbc_hmac_sha1());
}
+
+
+/*
+ * RSA implementation
+ */
+static int dasync_rsa_init(EVP_PKEY_CTX *ctx)
+{
+ static int (*pinit)(EVP_PKEY_CTX *ctx);
+
+ if (pinit == NULL)
+ EVP_PKEY_meth_get_init(dasync_rsa_orig, &pinit);
+ return pinit(ctx);
+}
+
+static void dasync_rsa_cleanup(EVP_PKEY_CTX *ctx)
+{
+ static void (*pcleanup)(EVP_PKEY_CTX *ctx);
+
+ if (pcleanup == NULL)
+ EVP_PKEY_meth_get_cleanup(dasync_rsa_orig, &pcleanup);
+ pcleanup(ctx);
+}
+
+static int dasync_rsa_paramgen_init(EVP_PKEY_CTX *ctx)
+{
+ static int (*pparamgen_init)(EVP_PKEY_CTX *ctx);
+
+ if (pparamgen_init == NULL)
+ EVP_PKEY_meth_get_paramgen(dasync_rsa_orig, &pparamgen_init, NULL);
+ return pparamgen_init != NULL ? pparamgen_init(ctx) : 1;
+}
+
+static int dasync_rsa_paramgen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
+{
+ static int (*pparamgen)(EVP_PKEY_CTX *c, EVP_PKEY *pkey);
+
+ if (pparamgen == NULL)
+ EVP_PKEY_meth_get_paramgen(dasync_rsa_orig, NULL, &pparamgen);
+ return pparamgen != NULL ? pparamgen(ctx, pkey) : 1;
+}
+
+static int dasync_rsa_keygen_init(EVP_PKEY_CTX *ctx)
+{
+ static int (*pkeygen_init)(EVP_PKEY_CTX *ctx);
+
+ if (pkeygen_init == NULL)
+ EVP_PKEY_meth_get_keygen(dasync_rsa_orig, &pkeygen_init, NULL);
+ return pkeygen_init != NULL ? pkeygen_init(ctx) : 1;
+}
+
+static int dasync_rsa_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
+{
+ static int (*pkeygen)(EVP_PKEY_CTX *c, EVP_PKEY *pkey);
+
+ if (pkeygen == NULL)
+ EVP_PKEY_meth_get_keygen(dasync_rsa_orig, NULL, &pkeygen);
+ return pkeygen(ctx, pkey);
+}
+
+static int dasync_rsa_encrypt_init(EVP_PKEY_CTX *ctx)
+{
+ static int (*pencrypt_init)(EVP_PKEY_CTX *ctx);
+
+ if (pencrypt_init == NULL)
+ EVP_PKEY_meth_get_encrypt(dasync_rsa_orig, &pencrypt_init, NULL);
+ return pencrypt_init != NULL ? pencrypt_init(ctx) : 1;
+}
+
+static int dasync_rsa_encrypt(EVP_PKEY_CTX *ctx, unsigned char *out,
+ size_t *outlen, const unsigned char *in,
+ size_t inlen)
+{
+ static int (*pencryptfn)(EVP_PKEY_CTX *ctx, unsigned char *out,
+ size_t *outlen, const unsigned char *in,
+ size_t inlen);
+
+ if (pencryptfn == NULL)
+ EVP_PKEY_meth_get_encrypt(dasync_rsa_orig, NULL, &pencryptfn);
+ return pencryptfn(ctx, out, outlen, in, inlen);
+}
+
+static int dasync_rsa_decrypt_init(EVP_PKEY_CTX *ctx)
+{
+ static int (*pdecrypt_init)(EVP_PKEY_CTX *ctx);
+
+ if (pdecrypt_init == NULL)
+ EVP_PKEY_meth_get_decrypt(dasync_rsa_orig, &pdecrypt_init, NULL);
+ return pdecrypt_init != NULL ? pdecrypt_init(ctx) : 1;
+}
+
+static int dasync_rsa_decrypt(EVP_PKEY_CTX *ctx, unsigned char *out,
+ size_t *outlen, const unsigned char *in,
+ size_t inlen)
+{
+ static int (*pdecrypt)(EVP_PKEY_CTX *ctx, unsigned char *out,
+ size_t *outlen, const unsigned char *in,
+ size_t inlen);
+
+ if (pdecrypt == NULL)
+ EVP_PKEY_meth_get_decrypt(dasync_rsa_orig, NULL, &pdecrypt);
+ return pdecrypt(ctx, out, outlen, in, inlen);
+}
+
+static int dasync_rsa_ctrl(EVP_PKEY_CTX *ctx, int type, int p1, void *p2)
+{
+ static int (*pctrl)(EVP_PKEY_CTX *ctx, int type, int p1, void *p2);
+
+ if (pctrl == NULL)
+ EVP_PKEY_meth_get_ctrl(dasync_rsa_orig, &pctrl, NULL);
+ return pctrl(ctx, type, p1, p2);
+}
+
+static int dasync_rsa_ctrl_str(EVP_PKEY_CTX *ctx, const char *type,
+ const char *value)
+{
+ static int (*pctrl_str)(EVP_PKEY_CTX *ctx, const char *type,
+ const char *value);
+
+ if (pctrl_str == NULL)
+ EVP_PKEY_meth_get_ctrl(dasync_rsa_orig, NULL, &pctrl_str);
+ return pctrl_str(ctx, type, value);
+}
projects / openssl.git / blobdiff