X-Git-Url: https://git.openssl.org/gitweb/?a=blobdiff_plain;f=engines%2Fe_dasync.c;h=1d9c278bd3c02ca12d9b2c3ca12f8c1776d4ae7f;hb=2f2c9caa727d7d2a5ce4bfb8266e019546ce77df;hp=9e0ed1b492c95b03fea79911dd8dd3b3f04ec150;hpb=f4da39d200a8c2068595b8d5bd5efb78af4224e1;p=openssl.git diff --git a/engines/e_dasync.c b/engines/e_dasync.c index 9e0ed1b492..1d9c278bd3 100644 --- a/engines/e_dasync.c +++ b/engines/e_dasync.c @@ -1,4 +1,3 @@ -/* engines/e_dasync.c */ /* * Written by Matt Caswell (matt@openssl.org) for the OpenSSL project. */ @@ -56,10 +55,24 @@ #include #include +#include #include #include #include #include +#include +#include +#include + +#if (defined(OPENSSL_SYS_UNIX) || defined(OPENSSL_SYS_CYGWIN)) && defined(OPENSSL_THREADS) +# undef ASYNC_POSIX +# define ASYNC_POSIX +# include +#elif defined(_WIN32) +# undef ASYNC_WIN +# define ASYNC_WIN +# include +#endif #define DASYNC_LIB_NAME "DASYNC" #include "e_dasync_err.c" @@ -73,37 +86,64 @@ static const char *engine_dasync_name = "Dummy Async engine support"; static int dasync_destroy(ENGINE *e); static int dasync_init(ENGINE *e); static int dasync_finish(ENGINE *e); -void ENGINE_load_dasync(void); +void engine_load_dasync_internal(void); /* Set up digests. Just SHA1 for now */ static int dasync_digests(ENGINE *e, const EVP_MD **digest, const int **nids, int nid); -static int dasync_digest_nids[] = { NID_sha1, 0 }; - static void dummy_pause_job(void); /* SHA1 */ -static int digest_sha1_init(EVP_MD_CTX *ctx); -static int digest_sha1_update(EVP_MD_CTX *ctx, const void *data, - unsigned long count); -static int digest_sha1_final(EVP_MD_CTX *ctx, unsigned char *md); - -static const EVP_MD digest_sha1 = { - NID_sha1, - NID_sha1WithRSAEncryption, - SHA_DIGEST_LENGTH, - EVP_MD_FLAG_PKEY_METHOD_SIGNATURE | EVP_MD_FLAG_DIGALGID_ABSENT, - digest_sha1_init, - digest_sha1_update, - digest_sha1_final, - NULL, - NULL, - EVP_PKEY_NULL_method, - SHA_CBLOCK, - sizeof(EVP_MD *) + sizeof(SHA_CTX), -}; +static int dasync_sha1_init(EVP_MD_CTX *ctx); +static int dasync_sha1_update(EVP_MD_CTX *ctx, const void *data, + size_t count); +static int dasync_sha1_final(EVP_MD_CTX *ctx, unsigned char *md); + +static EVP_MD *_hidden_sha1_md = NULL; +static const EVP_MD *dasync_sha1(void) +{ + if (_hidden_sha1_md == NULL) { + EVP_MD *md; + + if ((md = EVP_MD_meth_new(NID_sha1, NID_sha1WithRSAEncryption)) == NULL + || !EVP_MD_meth_set_result_size(md, SHA_DIGEST_LENGTH) + || !EVP_MD_meth_set_input_blocksize(md, SHA_CBLOCK) + || !EVP_MD_meth_set_app_datasize(md, + sizeof(EVP_MD *) + sizeof(SHA_CTX)) + || !EVP_MD_meth_set_flags(md, EVP_MD_FLAG_DIGALGID_ABSENT) + || !EVP_MD_meth_set_init(md, dasync_sha1_init) + || !EVP_MD_meth_set_update(md, dasync_sha1_update) + || !EVP_MD_meth_set_final(md, dasync_sha1_final)) { + EVP_MD_meth_free(md); + md = NULL; + } + _hidden_sha1_md = md; + } + return _hidden_sha1_md; +} +static void destroy_digests(void) +{ + EVP_MD_meth_free(_hidden_sha1_md); + _hidden_sha1_md = NULL; +} +static int dasync_digest_nids(const int **nids) +{ + static int digest_nids[2] = { 0, 0 }; + static int pos = 0; + static int init = 0; + + if (!init) { + const EVP_MD *md; + if ((md = dasync_sha1()) != NULL) + digest_nids[pos++] = EVP_MD_type(md); + digest_nids[pos] = 0; + init = 1; + } + *nids = digest_nids; + return pos; +} /* RSA */ @@ -139,6 +179,109 @@ static RSA_METHOD dasync_rsa_method = { }; +/* AES */ + +static int dasync_aes128_cbc_ctrl(EVP_CIPHER_CTX *ctx, int type, int arg, + void *ptr); +static int dasync_aes128_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, + const unsigned char *iv, int enc); +static int dasync_aes128_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, + const unsigned char *in, size_t inl); +static int dasync_aes128_cbc_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, + const unsigned char *key, + const unsigned char *iv, + int enc); +static int dasync_aes128_cbc_hmac_sha1_cipher(EVP_CIPHER_CTX *ctx, + unsigned char *out, + const unsigned char *in, + size_t inl); +static int dasync_aes128_cbc_hmac_sha1_cleanup(EVP_CIPHER_CTX *ctx); + +struct aes_128_cbc_pipeline_ctx { + void *inner_cipher_data; + unsigned char dummy[256]; + unsigned int numpipes; + 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; +}; + +static EVP_CIPHER *_hidden_aes_128_cbc = NULL; +static const EVP_CIPHER *dasync_aes_128_cbc(void) +{ + if (_hidden_aes_128_cbc == NULL) + _hidden_aes_128_cbc = EVP_CIPHER_meth_new(NID_aes_128_cbc, + 16 /* block size */, + 16 /* key len */); + if (_hidden_aes_128_cbc == NULL + || !EVP_CIPHER_meth_set_iv_length(_hidden_aes_128_cbc,16) + || !EVP_CIPHER_meth_set_flags(_hidden_aes_128_cbc, + EVP_CIPH_FLAG_DEFAULT_ASN1 + | EVP_CIPH_CBC_MODE + | EVP_CIPH_FLAG_PIPELINE) + || !EVP_CIPHER_meth_set_init(_hidden_aes_128_cbc, + dasync_aes128_init_key) + || !EVP_CIPHER_meth_set_do_cipher(_hidden_aes_128_cbc, + dasync_aes128_cbc_cipher) + || !EVP_CIPHER_meth_set_cleanup(_hidden_aes_128_cbc, + dasync_aes128_cbc_cleanup) + || !EVP_CIPHER_meth_set_ctrl(_hidden_aes_128_cbc, + dasync_aes128_cbc_ctrl) + || !EVP_CIPHER_meth_set_impl_ctx_size(_hidden_aes_128_cbc, + sizeof(struct aes_128_cbc_pipeline_ctx))) { + EVP_CIPHER_meth_free(_hidden_aes_128_cbc); + _hidden_aes_128_cbc = NULL; + } + return _hidden_aes_128_cbc; +} + +static EVP_CIPHER *_hidden_aes_128_cbc_hmac_sha1 = NULL; +static const EVP_CIPHER *dasync_aes_128_cbc_hmac_sha1(void) +{ + if (_hidden_aes_128_cbc_hmac_sha1 == NULL) + _hidden_aes_128_cbc_hmac_sha1 = EVP_CIPHER_meth_new( + NID_aes_128_cbc_hmac_sha1, + 16 /* block size */, + 16 /* key len */); + if (_hidden_aes_128_cbc_hmac_sha1 == NULL + || !EVP_CIPHER_meth_set_iv_length(_hidden_aes_128_cbc_hmac_sha1,16) + || !EVP_CIPHER_meth_set_flags(_hidden_aes_128_cbc_hmac_sha1, + EVP_CIPH_CBC_MODE + | EVP_CIPH_FLAG_DEFAULT_ASN1 + | EVP_CIPH_FLAG_AEAD_CIPHER + | EVP_CIPH_FLAG_PIPELINE) + || !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, + dasync_aes128_cbc_hmac_sha1_cipher) + || !EVP_CIPHER_meth_set_cleanup(_hidden_aes_128_cbc_hmac_sha1, + dasync_aes128_cbc_hmac_sha1_cleanup) + || !EVP_CIPHER_meth_set_ctrl(_hidden_aes_128_cbc_hmac_sha1, + dasync_aes128_cbc_hmac_sha1_ctrl) + || !EVP_CIPHER_meth_set_impl_ctx_size(_hidden_aes_128_cbc_hmac_sha1, + sizeof(struct aes_128_cbc_pipeline_ctx))) { + EVP_CIPHER_meth_free(_hidden_aes_128_cbc_hmac_sha1); + _hidden_aes_128_cbc_hmac_sha1 = NULL; + } + return _hidden_aes_128_cbc_hmac_sha1; +} + +static int dasync_ciphers(ENGINE *e, const EVP_CIPHER **cipher, + const int **nids, int nid); + +static int dasync_cipher_nids[] = { + NID_aes_128_cbc, + NID_aes_128_cbc_hmac_sha1, + 0 +}; + static int bind_dasync(ENGINE *e) { /* Ensure the dasync error handling is set up */ @@ -148,6 +291,7 @@ static int bind_dasync(ENGINE *e) || !ENGINE_set_name(e, engine_dasync_name) || !ENGINE_set_RSA(e, &dasync_rsa_method) || !ENGINE_set_digests(e, dasync_digests) + || !ENGINE_set_ciphers(e, dasync_ciphers) || !ENGINE_set_destroy_function(e, dasync_destroy) || !ENGINE_set_init_function(e, dasync_init) || !ENGINE_set_finish_function(e, dasync_finish)) { @@ -184,7 +328,7 @@ static ENGINE *engine_dasync(void) return ret; } -void ENGINE_load_dasync(void) +void engine_load_dasync_internal(void) { ENGINE *toadd = engine_dasync(); if (!toadd) @@ -208,6 +352,7 @@ static int dasync_finish(ENGINE *e) static int dasync_destroy(ENGINE *e) { + destroy_digests(); ERR_unload_DASYNC_strings(); return 1; } @@ -218,14 +363,12 @@ static int dasync_digests(ENGINE *e, const EVP_MD **digest, int ok = 1; if (!digest) { /* We are returning a list of supported nids */ - *nids = dasync_digest_nids; - return (sizeof(dasync_digest_nids) - - 1) / sizeof(dasync_digest_nids[0]); + return dasync_digest_nids(nids); } /* We are being asked for a specific digest */ switch (nid) { case NID_sha1: - *digest = &digest_sha1; + *digest = dasync_sha1(); break; default: ok = 0; @@ -235,48 +378,137 @@ static int dasync_digests(ENGINE *e, const EVP_MD **digest, return ok; } +static int dasync_ciphers(ENGINE *e, const EVP_CIPHER **cipher, + const int **nids, int nid) +{ + int ok = 1; + if (!cipher) { + /* We are returning a list of supported nids */ + *nids = dasync_cipher_nids; + return (sizeof(dasync_cipher_nids) - + 1) / sizeof(dasync_cipher_nids[0]); + } + /* We are being asked for a specific cipher */ + switch (nid) { + case NID_aes_128_cbc: + *cipher = dasync_aes_128_cbc(); + break; + case NID_aes_128_cbc_hmac_sha1: + *cipher = dasync_aes_128_cbc_hmac_sha1(); + break; + default: + ok = 0; + *cipher = NULL; + break; + } + return ok; +} + +static void wait_cleanup(ASYNC_WAIT_CTX *ctx, const void *key, + OSSL_ASYNC_FD readfd, void *pvwritefd) +{ + OSSL_ASYNC_FD *pwritefd = (OSSL_ASYNC_FD *)pvwritefd; +#if defined(ASYNC_WIN) + CloseHandle(readfd); + CloseHandle(*pwritefd); +#elif defined(ASYNC_POSIX) + close(readfd); + close(*pwritefd); +#endif + OPENSSL_free(pwritefd); +} + +#define DUMMY_CHAR 'X' + static void dummy_pause_job(void) { ASYNC_JOB *job; + ASYNC_WAIT_CTX *waitctx; + OSSL_ASYNC_FD pipefds[2] = {0, 0}; + OSSL_ASYNC_FD *writefd; +#if defined(ASYNC_WIN) + DWORD numwritten, numread; + char buf = DUMMY_CHAR; +#elif defined(ASYNC_POSIX) + char buf = DUMMY_CHAR; +#endif if ((job = ASYNC_get_current_job()) == NULL) return; + waitctx = ASYNC_get_wait_ctx(job); + + if (ASYNC_WAIT_CTX_get_fd(waitctx, engine_dasync_id, &pipefds[0], + (void **)&writefd)) { + pipefds[1] = *writefd; + } else { + writefd = OPENSSL_malloc(sizeof(*writefd)); + if (writefd == NULL) + return; +#if defined(ASYNC_WIN) + if (CreatePipe(&pipefds[0], &pipefds[1], NULL, 256) == 0) { + OPENSSL_free(writefd); + return; + } +#elif defined(ASYNC_POSIX) + if (pipe(pipefds) != 0) { + OPENSSL_free(writefd); + return; + } +#endif + *writefd = pipefds[1]; + + if(!ASYNC_WAIT_CTX_set_wait_fd(waitctx, engine_dasync_id, pipefds[0], + writefd, wait_cleanup)) { + wait_cleanup(waitctx, engine_dasync_id, pipefds[0], writefd); + return; + } + } /* * In the Dummy async engine we are cheating. We signal that the job * is complete by waking it before the call to ASYNC_pause_job(). A real * async engine would only wake when the job was actually complete */ - ASYNC_wake(job); +#if defined(ASYNC_WIN) + WriteFile(pipefds[1], &buf, 1, &numwritten, NULL); +#elif defined(ASYNC_POSIX) + if (write(pipefds[1], &buf, 1) < 0) + return; +#endif /* Ignore errors - we carry on anyway */ ASYNC_pause_job(); - ASYNC_clear_wake(job); + /* Clear the wake signal */ +#if defined(ASYNC_WIN) + ReadFile(pipefds[0], &buf, 1, &numread, NULL); +#elif defined(ASYNC_POSIX) + if (read(pipefds[0], &buf, 1) < 0) + return; +#endif } - /* * SHA1 implementation. At the moment we just defer to the standard * implementation */ #undef data -#define data(ctx) ((SHA_CTX *)(ctx)->md_data) -static int digest_sha1_init(EVP_MD_CTX *ctx) +#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)); } -static int digest_sha1_update(EVP_MD_CTX *ctx, const void *data, - unsigned long count) +static int dasync_sha1_update(EVP_MD_CTX *ctx, const void *data, + size_t count) { dummy_pause_job(); return SHA1_Update(data(ctx), data, (size_t)count); } -static int digest_sha1_final(EVP_MD_CTX *ctx, unsigned char *md) +static int dasync_sha1_final(EVP_MD_CTX *ctx, unsigned char *md) { dummy_pause_job(); @@ -332,3 +564,268 @@ static int dasync_rsa_finish(RSA *rsa) { return RSA_PKCS1_OpenSSL()->finish(rsa); } + +/* + * AES128 Implementation + */ + +static int dasync_aes128_cbc_ctrl(EVP_CIPHER_CTX *ctx, int type, int arg, + void *ptr) +{ + struct aes_128_cbc_pipeline_ctx *pipe_ctx = + (struct aes_128_cbc_pipeline_ctx *)EVP_CIPHER_CTX_cipher_data(ctx); + + if (pipe_ctx == NULL) + return 0; + + switch (type) { + case EVP_CTRL_SET_PIPELINE_OUTPUT_BUFS: + pipe_ctx->numpipes = arg; + pipe_ctx->outbufs = (unsigned char **)ptr; + break; + + case EVP_CTRL_SET_PIPELINE_INPUT_BUFS: + pipe_ctx->numpipes = arg; + pipe_ctx->inbufs = (unsigned char **)ptr; + break; + + case EVP_CTRL_SET_PIPELINE_INPUT_LENS: + pipe_ctx->numpipes = arg; + pipe_ctx->lens = (size_t *)ptr; + break; + + default: + return 0; + } + + return 1; +} + +static int dasync_aes128_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, + const unsigned char *iv, int enc) +{ + int ret; + struct aes_128_cbc_pipeline_ctx *pipe_ctx = + (struct aes_128_cbc_pipeline_ctx *)EVP_CIPHER_CTX_cipher_data(ctx); + + if (pipe_ctx->inner_cipher_data == NULL + && EVP_CIPHER_impl_ctx_size(EVP_aes_128_cbc()) != 0) { + pipe_ctx->inner_cipher_data = OPENSSL_zalloc( + EVP_CIPHER_impl_ctx_size(EVP_aes_128_cbc())); + if (pipe_ctx->inner_cipher_data == NULL) { + DASYNCerr(DASYNC_F_DASYNC_AES128_INIT_KEY, + ERR_R_MALLOC_FAILURE); + return 0; + } + } + + pipe_ctx->numpipes = 0; + pipe_ctx->aadctr = 0; + + EVP_CIPHER_CTX_set_cipher_data(ctx, pipe_ctx->inner_cipher_data); + ret = EVP_CIPHER_meth_get_init(EVP_aes_128_cbc())(ctx, key, iv, enc); + EVP_CIPHER_CTX_set_cipher_data(ctx, pipe_ctx); + + return ret; +} + +static int dasync_aes128_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, + const unsigned char *in, size_t inl) +{ + int ret = 1; + unsigned int i, pipes; + struct aes_128_cbc_pipeline_ctx *pipe_ctx = + (struct aes_128_cbc_pipeline_ctx *)EVP_CIPHER_CTX_cipher_data(ctx); + + pipes = pipe_ctx->numpipes; + EVP_CIPHER_CTX_set_cipher_data(ctx, pipe_ctx->inner_cipher_data); + if (pipes == 0) { + ret = EVP_CIPHER_meth_get_do_cipher(EVP_aes_128_cbc()) + (ctx, out, in, inl); + } else { + for (i = 0; i < pipes; i++) { + ret = ret && EVP_CIPHER_meth_get_do_cipher(EVP_aes_128_cbc()) + (ctx, pipe_ctx->outbufs[i], + pipe_ctx->inbufs[i], + pipe_ctx->lens[i]); + } + pipe_ctx->numpipes = 0; + } + EVP_CIPHER_CTX_set_cipher_data(ctx, pipe_ctx); + return ret; +} + +static int dasync_aes128_cbc_cleanup(EVP_CIPHER_CTX *ctx) +{ + struct aes_128_cbc_pipeline_ctx *pipe_ctx = + (struct aes_128_cbc_pipeline_ctx *)EVP_CIPHER_CTX_cipher_data(ctx); + + OPENSSL_clear_free(pipe_ctx->inner_cipher_data, + EVP_CIPHER_impl_ctx_size(EVP_aes_128_cbc())); + + return 1; +} + + +/* + * AES128 CBC HMAC SHA1 Implementation + */ + +static int dasync_aes128_cbc_hmac_sha1_ctrl(EVP_CIPHER_CTX *ctx, int type, + int arg, void *ptr) +{ + struct aes_128_cbc_pipeline_ctx *pipe_ctx = + (struct aes_128_cbc_pipeline_ctx *)EVP_CIPHER_CTX_cipher_data(ctx); + int ret; + + if (pipe_ctx == NULL) + return 0; + + switch (type) { + case EVP_CTRL_SET_PIPELINE_OUTPUT_BUFS: + pipe_ctx->numpipes = arg; + pipe_ctx->outbufs = (unsigned char **)ptr; + break; + + case EVP_CTRL_SET_PIPELINE_INPUT_BUFS: + pipe_ctx->numpipes = arg; + pipe_ctx->inbufs = (unsigned char **)ptr; + break; + + case EVP_CTRL_SET_PIPELINE_INPUT_LENS: + pipe_ctx->numpipes = arg; + pipe_ctx->lens = (size_t *)ptr; + break; + + case EVP_CTRL_AEAD_SET_MAC_KEY: + EVP_CIPHER_CTX_set_cipher_data(ctx, pipe_ctx->inner_cipher_data); + ret = EVP_CIPHER_meth_get_ctrl(EVP_aes_128_cbc_hmac_sha1()) + (ctx, type, arg, ptr); + EVP_CIPHER_CTX_set_cipher_data(ctx, pipe_ctx); + return ret; + + case EVP_CTRL_AEAD_TLS1_AAD: + { + unsigned char *p = ptr; + unsigned int len; + + if (arg != EVP_AEAD_TLS1_AAD_LEN) + return -1; + + if (pipe_ctx->aadctr >= SSL_MAX_PIPELINES) + return -1; + + memcpy(pipe_ctx->tlsaad[pipe_ctx->aadctr], ptr, + EVP_AEAD_TLS1_AAD_LEN); + pipe_ctx->aadctr++; + + len = p[arg - 2] << 8 | p[arg - 1]; + + if (pipe_ctx->enc) { + if ((p[arg - 4] << 8 | p[arg - 3]) >= TLS1_1_VERSION) { + len -= AES_BLOCK_SIZE; + } + + return ((len + SHA_DIGEST_LENGTH + AES_BLOCK_SIZE) + & -AES_BLOCK_SIZE) - len; + } else { + return SHA_DIGEST_LENGTH; + } + } + + + default: + return 0; + } + + return 1; +} + +static int dasync_aes128_cbc_hmac_sha1_init_key(EVP_CIPHER_CTX *ctx, + const unsigned char *key, + const unsigned char *iv, + int enc) +{ + int ret; + struct aes_128_cbc_pipeline_ctx *pipe_ctx = + (struct aes_128_cbc_pipeline_ctx *)EVP_CIPHER_CTX_cipher_data(ctx); + + if (pipe_ctx->inner_cipher_data == NULL + && EVP_CIPHER_impl_ctx_size(EVP_aes_128_cbc_hmac_sha1()) + != 0) { + pipe_ctx->inner_cipher_data = + OPENSSL_zalloc(EVP_CIPHER_impl_ctx_size( + EVP_aes_128_cbc_hmac_sha1())); + if (pipe_ctx->inner_cipher_data == NULL) { + DASYNCerr(DASYNC_F_DASYNC_AES128_CBC_HMAC_SHA1_INIT_KEY, + ERR_R_MALLOC_FAILURE); + return 0; + } + } + + pipe_ctx->numpipes = 0; + pipe_ctx->enc = enc; + + EVP_CIPHER_CTX_set_cipher_data(ctx, pipe_ctx->inner_cipher_data); + ret = EVP_CIPHER_meth_get_init(EVP_aes_128_cbc_hmac_sha1()) + (ctx, key, iv, enc); + EVP_CIPHER_CTX_set_cipher_data(ctx, pipe_ctx); + + return ret; +} + +static int dasync_aes128_cbc_hmac_sha1_cipher(EVP_CIPHER_CTX *ctx, + unsigned char *out, + const unsigned char *in, + size_t inl) +{ + int ret = 1; + unsigned int i, pipes; + struct aes_128_cbc_pipeline_ctx *pipe_ctx = + (struct aes_128_cbc_pipeline_ctx *)EVP_CIPHER_CTX_cipher_data(ctx); + + pipes = pipe_ctx->numpipes; + EVP_CIPHER_CTX_set_cipher_data(ctx, pipe_ctx->inner_cipher_data); + if (pipes == 0) { + if (pipe_ctx->aadctr != 0) { + if (pipe_ctx->aadctr != 1) + return -1; + EVP_CIPHER_meth_get_ctrl(EVP_aes_128_cbc_hmac_sha1()) + (ctx, EVP_CTRL_AEAD_TLS1_AAD, + EVP_AEAD_TLS1_AAD_LEN, + pipe_ctx->tlsaad[0]); + } + ret = EVP_CIPHER_meth_get_do_cipher(EVP_aes_128_cbc_hmac_sha1()) + (ctx, out, in, inl); + } else { + if (pipe_ctx->aadctr > 0 && pipe_ctx->aadctr != pipes) + return -1; + for (i = 0; i < pipes; i++) { + if (pipe_ctx->aadctr > 0) { + EVP_CIPHER_meth_get_ctrl(EVP_aes_128_cbc_hmac_sha1()) + (ctx, EVP_CTRL_AEAD_TLS1_AAD, + EVP_AEAD_TLS1_AAD_LEN, + pipe_ctx->tlsaad[i]); + } + ret = ret && EVP_CIPHER_meth_get_do_cipher( + EVP_aes_128_cbc_hmac_sha1()) + (ctx, pipe_ctx->outbufs[i], pipe_ctx->inbufs[i], + pipe_ctx->lens[i]); + } + pipe_ctx->numpipes = 0; + } + pipe_ctx->aadctr = 0; + EVP_CIPHER_CTX_set_cipher_data(ctx, pipe_ctx); + return ret; +} + +static int dasync_aes128_cbc_hmac_sha1_cleanup(EVP_CIPHER_CTX *ctx) +{ + struct aes_128_cbc_pipeline_ctx *pipe_ctx = + (struct aes_128_cbc_pipeline_ctx *)EVP_CIPHER_CTX_cipher_data(ctx); + + OPENSSL_clear_free(pipe_ctx->inner_cipher_data, + EVP_CIPHER_impl_ctx_size(EVP_aes_128_cbc_hmac_sha1())); + + return 1; +}