X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fplugins%2Fcrypto_openssl%2Fmain.c;h=48846b1448361bbf81e6fa8d9773ca40e6a0d5e1;hb=06111a837;hp=c1e744fc839730bd24e0c65a0fbf5e3d3c6064aa;hpb=b4fff3a39715c3e405b92442026bfddc3be37b27;p=vpp.git diff --git a/src/plugins/crypto_openssl/main.c b/src/plugins/crypto_openssl/main.c index c1e744fc839..48846b14483 100644 --- a/src/plugins/crypto_openssl/main.c +++ b/src/plugins/crypto_openssl/main.c @@ -18,6 +18,7 @@ #include #include #include +#include #include #include @@ -29,6 +30,7 @@ typedef struct CLIB_CACHE_LINE_ALIGN_MARK (cacheline0); EVP_CIPHER_CTX *evp_cipher_ctx; HMAC_CTX *hmac_ctx; + EVP_MD_CTX *hash_ctx; #if OPENSSL_VERSION_NUMBER < 0x10100000L HMAC_CTX _hmac_ctx; #endif @@ -36,12 +38,43 @@ typedef struct static openssl_per_thread_data_t *per_thread_data = 0; -#define foreach_openssl_evp_op \ - _(DES_CBC, EVP_des_cbc) \ - _(3DES_CBC, EVP_des_ede3_cbc) \ - _(AES_128_CBC, EVP_aes_128_cbc) \ - _(AES_192_CBC, EVP_aes_192_cbc) \ - _(AES_256_CBC, EVP_aes_256_cbc) +#define foreach_openssl_aes_evp_op \ + _ (cbc, DES_CBC, EVP_des_cbc, 8) \ + _ (cbc, 3DES_CBC, EVP_des_ede3_cbc, 8) \ + _ (cbc, AES_128_CBC, EVP_aes_128_cbc, 16) \ + _ (cbc, AES_192_CBC, EVP_aes_192_cbc, 16) \ + _ (cbc, AES_256_CBC, EVP_aes_256_cbc, 16) \ + _ (gcm, AES_128_GCM, EVP_aes_128_gcm, 8) \ + _ (gcm, AES_192_GCM, EVP_aes_192_gcm, 8) \ + _ (gcm, AES_256_GCM, EVP_aes_256_gcm, 8) \ + _ (cbc, AES_128_CTR, EVP_aes_128_ctr, 8) \ + _ (cbc, AES_192_CTR, EVP_aes_192_ctr, 8) \ + _ (cbc, AES_256_CTR, EVP_aes_256_ctr, 8) + +#define foreach_openssl_chacha20_evp_op \ + _ (chacha20_poly1305, CHACHA20_POLY1305, EVP_chacha20_poly1305, 8) + +#if OPENSSL_VERSION_NUMBER >= 0x10100000L +#define foreach_openssl_evp_op foreach_openssl_aes_evp_op \ + foreach_openssl_chacha20_evp_op +#else +#define foreach_openssl_evp_op foreach_openssl_aes_evp_op +#endif + +#ifndef EVP_CTRL_AEAD_GET_TAG +#define EVP_CTRL_AEAD_GET_TAG EVP_CTRL_GCM_GET_TAG +#endif + +#ifndef EVP_CTRL_AEAD_SET_TAG +#define EVP_CTRL_AEAD_SET_TAG EVP_CTRL_GCM_SET_TAG +#endif + +#define foreach_openssl_hash_op \ + _ (SHA1, EVP_sha1) \ + _ (SHA224, EVP_sha224) \ + _ (SHA256, EVP_sha256) \ + _ (SHA384, EVP_sha384) \ + _ (SHA512, EVP_sha512) #define foreach_openssl_hmac_op \ _(MD5, EVP_md5) \ @@ -52,103 +85,385 @@ static openssl_per_thread_data_t *per_thread_data = 0; _(SHA512, EVP_sha512) static_always_inline u32 -openssl_ops_enc_cbc (vlib_main_t * vm, vnet_crypto_op_t * ops[], u32 n_ops, - const EVP_CIPHER * cipher) +openssl_ops_enc_cbc (vlib_main_t *vm, vnet_crypto_op_t *ops[], + vnet_crypto_op_chunk_t *chunks, u32 n_ops, + const EVP_CIPHER *cipher, const int iv_len) { openssl_per_thread_data_t *ptd = vec_elt_at_index (per_thread_data, vm->thread_index); EVP_CIPHER_CTX *ctx = ptd->evp_cipher_ctx; - u32 i; + vnet_crypto_op_chunk_t *chp; + u32 i, j, curr_len = 0; + u8 out_buf[VLIB_BUFFER_DEFAULT_DATA_SIZE * 5]; + for (i = 0; i < n_ops; i++) { vnet_crypto_op_t *op = ops[i]; - int out_len; + vnet_crypto_key_t *key = vnet_crypto_get_key (op->key_index); + int out_len = 0; if (op->flags & VNET_CRYPTO_OP_FLAG_INIT_IV) - RAND_bytes (op->iv, 16); + RAND_bytes (op->iv, iv_len); + + EVP_EncryptInit_ex (ctx, cipher, NULL, key->data, op->iv); + + if (op->flags & VNET_CRYPTO_OP_FLAG_CHAINED_BUFFERS) + EVP_CIPHER_CTX_set_padding (ctx, 0); + + if (op->flags & VNET_CRYPTO_OP_FLAG_CHAINED_BUFFERS) + { + chp = chunks + op->chunk_index; + u32 offset = 0; + for (j = 0; j < op->n_chunks; j++) + { + EVP_EncryptUpdate (ctx, out_buf + offset, &out_len, chp->src, + chp->len); + curr_len = chp->len; + offset += out_len; + chp += 1; + } + if (out_len < curr_len) + EVP_EncryptFinal_ex (ctx, out_buf + offset, &out_len); - EVP_EncryptInit_ex (ctx, cipher, NULL, op->key, op->iv); - EVP_EncryptUpdate (ctx, op->dst, &out_len, op->src, op->len); - if (out_len < op->len) - EVP_EncryptFinal_ex (ctx, op->dst + out_len, &out_len); + offset = 0; + chp = chunks + op->chunk_index; + for (j = 0; j < op->n_chunks; j++) + { + clib_memcpy_fast (chp->dst, out_buf + offset, chp->len); + offset += chp->len; + chp += 1; + } + } + else + { + EVP_EncryptUpdate (ctx, op->dst, &out_len, op->src, op->len); + if (out_len < op->len) + EVP_EncryptFinal_ex (ctx, op->dst + out_len, &out_len); + } op->status = VNET_CRYPTO_OP_STATUS_COMPLETED; } return n_ops; } static_always_inline u32 -openssl_ops_dec_cbc (vlib_main_t * vm, vnet_crypto_op_t * ops[], u32 n_ops, - const EVP_CIPHER * cipher) +openssl_ops_dec_cbc (vlib_main_t *vm, vnet_crypto_op_t *ops[], + vnet_crypto_op_chunk_t *chunks, u32 n_ops, + const EVP_CIPHER *cipher, const int iv_len) { openssl_per_thread_data_t *ptd = vec_elt_at_index (per_thread_data, vm->thread_index); EVP_CIPHER_CTX *ctx = ptd->evp_cipher_ctx; - u32 i; + vnet_crypto_op_chunk_t *chp; + u32 i, j, curr_len = 0; + u8 out_buf[VLIB_BUFFER_DEFAULT_DATA_SIZE * 5]; + for (i = 0; i < n_ops; i++) { vnet_crypto_op_t *op = ops[i]; - int out_len; + vnet_crypto_key_t *key = vnet_crypto_get_key (op->key_index); + int out_len = 0; + + EVP_DecryptInit_ex (ctx, cipher, NULL, key->data, op->iv); + + if (op->flags & VNET_CRYPTO_OP_FLAG_CHAINED_BUFFERS) + EVP_CIPHER_CTX_set_padding (ctx, 0); - EVP_DecryptInit_ex (ctx, cipher, NULL, op->key, op->iv); - EVP_DecryptUpdate (ctx, op->dst, &out_len, op->src, op->len); - if (out_len < op->len) - EVP_DecryptFinal_ex (ctx, op->dst + out_len, &out_len); + if (op->flags & VNET_CRYPTO_OP_FLAG_CHAINED_BUFFERS) + { + chp = chunks + op->chunk_index; + u32 offset = 0; + for (j = 0; j < op->n_chunks; j++) + { + EVP_DecryptUpdate (ctx, out_buf + offset, &out_len, chp->src, + chp->len); + curr_len = chp->len; + offset += out_len; + chp += 1; + } + if (out_len < curr_len) + EVP_DecryptFinal_ex (ctx, out_buf + offset, &out_len); + + offset = 0; + chp = chunks + op->chunk_index; + for (j = 0; j < op->n_chunks; j++) + { + clib_memcpy_fast (chp->dst, out_buf + offset, chp->len); + offset += chp->len; + chp += 1; + } + } + else + { + EVP_DecryptUpdate (ctx, op->dst, &out_len, op->src, op->len); + if (out_len < op->len) + EVP_DecryptFinal_ex (ctx, op->dst + out_len, &out_len); + } + op->status = VNET_CRYPTO_OP_STATUS_COMPLETED; + } + return n_ops; +} + +static_always_inline u32 +openssl_ops_enc_aead (vlib_main_t *vm, vnet_crypto_op_t *ops[], + vnet_crypto_op_chunk_t *chunks, u32 n_ops, + const EVP_CIPHER *cipher, int is_gcm, const int iv_len) +{ + openssl_per_thread_data_t *ptd = vec_elt_at_index (per_thread_data, + vm->thread_index); + EVP_CIPHER_CTX *ctx = ptd->evp_cipher_ctx; + vnet_crypto_op_chunk_t *chp; + u32 i, j; + for (i = 0; i < n_ops; i++) + { + vnet_crypto_op_t *op = ops[i]; + vnet_crypto_key_t *key = vnet_crypto_get_key (op->key_index); + int len = 0; + + if (op->flags & VNET_CRYPTO_OP_FLAG_INIT_IV) + RAND_bytes (op->iv, 8); + + EVP_EncryptInit_ex (ctx, cipher, 0, 0, 0); + if (is_gcm) + EVP_CIPHER_CTX_ctrl (ctx, EVP_CTRL_GCM_SET_IVLEN, 12, NULL); + EVP_EncryptInit_ex (ctx, 0, 0, key->data, op->iv); + if (op->aad_len) + EVP_EncryptUpdate (ctx, NULL, &len, op->aad, op->aad_len); + if (op->flags & VNET_CRYPTO_OP_FLAG_CHAINED_BUFFERS) + { + chp = chunks + op->chunk_index; + for (j = 0; j < op->n_chunks; j++) + { + EVP_EncryptUpdate (ctx, chp->dst, &len, chp->src, chp->len); + chp += 1; + } + } + else + EVP_EncryptUpdate (ctx, op->dst, &len, op->src, op->len); + EVP_EncryptFinal_ex (ctx, op->dst + len, &len); + EVP_CIPHER_CTX_ctrl (ctx, EVP_CTRL_AEAD_GET_TAG, op->tag_len, op->tag); op->status = VNET_CRYPTO_OP_STATUS_COMPLETED; } return n_ops; } static_always_inline u32 -openssl_ops_hmac (vlib_main_t * vm, vnet_crypto_op_t * ops[], u32 n_ops, +openssl_ops_enc_gcm (vlib_main_t *vm, vnet_crypto_op_t *ops[], + vnet_crypto_op_chunk_t *chunks, u32 n_ops, + const EVP_CIPHER *cipher, const int iv_len) +{ + return openssl_ops_enc_aead (vm, ops, chunks, n_ops, cipher, + /* is_gcm */ 1, iv_len); +} + +static_always_inline __clib_unused u32 +openssl_ops_enc_chacha20_poly1305 (vlib_main_t *vm, vnet_crypto_op_t *ops[], + vnet_crypto_op_chunk_t *chunks, u32 n_ops, + const EVP_CIPHER *cipher, const int iv_len) +{ + return openssl_ops_enc_aead (vm, ops, chunks, n_ops, cipher, + /* is_gcm */ 0, iv_len); +} + +static_always_inline u32 +openssl_ops_dec_aead (vlib_main_t *vm, vnet_crypto_op_t *ops[], + vnet_crypto_op_chunk_t *chunks, u32 n_ops, + const EVP_CIPHER *cipher, int is_gcm, const int iv_len) +{ + openssl_per_thread_data_t *ptd = vec_elt_at_index (per_thread_data, + vm->thread_index); + EVP_CIPHER_CTX *ctx = ptd->evp_cipher_ctx; + vnet_crypto_op_chunk_t *chp; + u32 i, j, n_fail = 0; + for (i = 0; i < n_ops; i++) + { + vnet_crypto_op_t *op = ops[i]; + vnet_crypto_key_t *key = vnet_crypto_get_key (op->key_index); + int len = 0; + + EVP_DecryptInit_ex (ctx, cipher, 0, 0, 0); + if (is_gcm) + EVP_CIPHER_CTX_ctrl (ctx, EVP_CTRL_GCM_SET_IVLEN, 12, 0); + EVP_DecryptInit_ex (ctx, 0, 0, key->data, op->iv); + if (op->aad_len) + EVP_DecryptUpdate (ctx, 0, &len, op->aad, op->aad_len); + if (op->flags & VNET_CRYPTO_OP_FLAG_CHAINED_BUFFERS) + { + chp = chunks + op->chunk_index; + for (j = 0; j < op->n_chunks; j++) + { + EVP_DecryptUpdate (ctx, chp->dst, &len, chp->src, chp->len); + chp += 1; + } + } + else + EVP_DecryptUpdate (ctx, op->dst, &len, op->src, op->len); + EVP_CIPHER_CTX_ctrl (ctx, EVP_CTRL_AEAD_SET_TAG, op->tag_len, op->tag); + + if (EVP_DecryptFinal_ex (ctx, op->dst + len, &len) > 0) + op->status = VNET_CRYPTO_OP_STATUS_COMPLETED; + else + { + n_fail++; + op->status = VNET_CRYPTO_OP_STATUS_FAIL_BAD_HMAC; + } + } + return n_ops - n_fail; +} + +static_always_inline u32 +openssl_ops_dec_gcm (vlib_main_t *vm, vnet_crypto_op_t *ops[], + vnet_crypto_op_chunk_t *chunks, u32 n_ops, + const EVP_CIPHER *cipher, const int iv_len) +{ + return openssl_ops_dec_aead (vm, ops, chunks, n_ops, cipher, + /* is_gcm */ 1, iv_len); +} + +static_always_inline __clib_unused u32 +openssl_ops_dec_chacha20_poly1305 (vlib_main_t *vm, vnet_crypto_op_t *ops[], + vnet_crypto_op_chunk_t *chunks, u32 n_ops, + const EVP_CIPHER *cipher, const int iv_len) +{ + return openssl_ops_dec_aead (vm, ops, chunks, n_ops, cipher, + /* is_gcm */ 0, iv_len); +} + +static_always_inline u32 +openssl_ops_hash (vlib_main_t *vm, vnet_crypto_op_t *ops[], + vnet_crypto_op_chunk_t *chunks, u32 n_ops, const EVP_MD *md) +{ + openssl_per_thread_data_t *ptd = + vec_elt_at_index (per_thread_data, vm->thread_index); + EVP_MD_CTX *ctx = ptd->hash_ctx; + vnet_crypto_op_chunk_t *chp; + u32 md_len, i, j, n_fail = 0; + + for (i = 0; i < n_ops; i++) + { + vnet_crypto_op_t *op = ops[i]; + + EVP_DigestInit_ex (ctx, md, NULL); + if (op->flags & VNET_CRYPTO_OP_FLAG_CHAINED_BUFFERS) + { + chp = chunks + op->chunk_index; + for (j = 0; j < op->n_chunks; j++) + { + EVP_DigestUpdate (ctx, chp->src, chp->len); + chp += 1; + } + } + else + EVP_DigestUpdate (ctx, op->src, op->len); + + EVP_DigestFinal_ex (ctx, op->digest, &md_len); + op->digest_len = md_len; + op->status = VNET_CRYPTO_OP_STATUS_COMPLETED; + } + return n_ops - n_fail; +} + +static_always_inline u32 +openssl_ops_hmac (vlib_main_t * vm, vnet_crypto_op_t * ops[], + vnet_crypto_op_chunk_t * chunks, u32 n_ops, const EVP_MD * md) { u8 buffer[64]; openssl_per_thread_data_t *ptd = vec_elt_at_index (per_thread_data, vm->thread_index); HMAC_CTX *ctx = ptd->hmac_ctx; - u32 i; + vnet_crypto_op_chunk_t *chp; + u32 i, j, n_fail = 0; for (i = 0; i < n_ops; i++) { vnet_crypto_op_t *op = ops[i]; - unsigned int out_len; - size_t sz = op->hmac_trunc_len ? op->hmac_trunc_len : EVP_MD_size (md); + vnet_crypto_key_t *key = vnet_crypto_get_key (op->key_index); + unsigned int out_len = 0; + size_t sz = op->digest_len ? op->digest_len : EVP_MD_size (md); - HMAC_Init_ex (ctx, op->key, op->key_len, md, NULL); - HMAC_Update (ctx, op->src, op->len); + HMAC_Init_ex (ctx, key->data, vec_len (key->data), md, NULL); + if (op->flags & VNET_CRYPTO_OP_FLAG_CHAINED_BUFFERS) + { + chp = chunks + op->chunk_index; + for (j = 0; j < op->n_chunks; j++) + { + HMAC_Update (ctx, chp->src, chp->len); + chp += 1; + } + } + else + HMAC_Update (ctx, op->src, op->len); HMAC_Final (ctx, buffer, &out_len); if (op->flags & VNET_CRYPTO_OP_FLAG_HMAC_CHECK) { - if ((memcmp (op->dst, buffer, sz))) + if ((memcmp (op->digest, buffer, sz))) { - n_ops -= 1; + n_fail++; op->status = VNET_CRYPTO_OP_STATUS_FAIL_BAD_HMAC; continue; } } else - clib_memcpy_fast (op->dst, buffer, sz); + clib_memcpy_fast (op->digest, buffer, sz); op->status = VNET_CRYPTO_OP_STATUS_COMPLETED; } - return n_ops; + return n_ops - n_fail; } -#define _(a, b) \ -static u32 \ -openssl_ops_enc_##a (vlib_main_t * vm, vnet_crypto_op_t * ops[], u32 n_ops) \ -{ return openssl_ops_enc_cbc (vm, ops, n_ops, b ()); } \ -\ -u32 \ -openssl_ops_dec_##a (vlib_main_t * vm, vnet_crypto_op_t * ops[], u32 n_ops) \ -{ return openssl_ops_dec_cbc (vm, ops, n_ops, b ()); } +#define _(m, a, b, iv) \ + static u32 openssl_ops_enc_##a (vlib_main_t *vm, vnet_crypto_op_t *ops[], \ + u32 n_ops) \ + { \ + return openssl_ops_enc_##m (vm, ops, 0, n_ops, b (), iv); \ + } \ + \ + u32 openssl_ops_dec_##a (vlib_main_t *vm, vnet_crypto_op_t *ops[], \ + u32 n_ops) \ + { \ + return openssl_ops_dec_##m (vm, ops, 0, n_ops, b (), iv); \ + } \ + \ + static u32 openssl_ops_enc_chained_##a ( \ + vlib_main_t *vm, vnet_crypto_op_t *ops[], vnet_crypto_op_chunk_t *chunks, \ + u32 n_ops) \ + { \ + return openssl_ops_enc_##m (vm, ops, chunks, n_ops, b (), iv); \ + } \ + \ + static u32 openssl_ops_dec_chained_##a ( \ + vlib_main_t *vm, vnet_crypto_op_t *ops[], vnet_crypto_op_chunk_t *chunks, \ + u32 n_ops) \ + { \ + return openssl_ops_dec_##m (vm, ops, chunks, n_ops, b (), iv); \ + } foreach_openssl_evp_op; #undef _ +#define _(a, b) \ + static u32 openssl_ops_hash_##a (vlib_main_t *vm, vnet_crypto_op_t *ops[], \ + u32 n_ops) \ + { \ + return openssl_ops_hash (vm, ops, 0, n_ops, b ()); \ + } \ + static u32 openssl_ops_hash_chained_##a ( \ + vlib_main_t *vm, vnet_crypto_op_t *ops[], vnet_crypto_op_chunk_t *chunks, \ + u32 n_ops) \ + { \ + return openssl_ops_hash (vm, ops, chunks, n_ops, b ()); \ + } + +foreach_openssl_hash_op; +#undef _ + #define _(a, b) \ static u32 \ openssl_ops_hmac_##a (vlib_main_t * vm, vnet_crypto_op_t * ops[], u32 n_ops) \ -{ return openssl_ops_hmac (vm, ops, n_ops, b ()); } \ +{ return openssl_ops_hmac (vm, ops, 0, n_ops, b ()); } \ +static u32 \ +openssl_ops_hmac_chained_##a (vlib_main_t * vm, vnet_crypto_op_t * ops[], \ + vnet_crypto_op_chunk_t *chunks, u32 n_ops) \ +{ return openssl_ops_hmac (vm, ops, chunks, n_ops, b ()); } \ foreach_openssl_hmac_op; #undef _ @@ -164,27 +479,34 @@ crypto_openssl_init (vlib_main_t * vm) pid_t pid; u32 eidx = vnet_crypto_register_engine (vm, "openssl", 50, "OpenSSL"); - clib_error_t *error; - if ((error = vlib_call_init_function (vm, vnet_crypto_init))) - return error; - -#define _(a, b) \ - vnet_crypto_register_ops_handler (vm, eidx, VNET_CRYPTO_OP_##a##_ENC, \ - openssl_ops_enc_##a); \ - vnet_crypto_register_ops_handler (vm, eidx, VNET_CRYPTO_OP_##a##_DEC, \ - openssl_ops_dec_##a); +#define _(m, a, b, iv) \ + vnet_crypto_register_ops_handlers (vm, eidx, VNET_CRYPTO_OP_##a##_ENC, \ + openssl_ops_enc_##a, \ + openssl_ops_enc_chained_##a); \ + vnet_crypto_register_ops_handlers (vm, eidx, VNET_CRYPTO_OP_##a##_DEC, \ + openssl_ops_dec_##a, \ + openssl_ops_dec_chained_##a); foreach_openssl_evp_op; #undef _ #define _(a, b) \ - vnet_crypto_register_ops_handler (vm, eidx, VNET_CRYPTO_OP_##a##_HMAC, \ - openssl_ops_hmac_##a); \ + vnet_crypto_register_ops_handlers (vm, eidx, VNET_CRYPTO_OP_##a##_HMAC, \ + openssl_ops_hmac_##a, \ + openssl_ops_hmac_chained_##a); \ foreach_openssl_hmac_op; #undef _ +#define _(a, b) \ + vnet_crypto_register_ops_handlers (vm, eidx, VNET_CRYPTO_OP_##a##_HASH, \ + openssl_ops_hash_##a, \ + openssl_ops_hash_chained_##a); + + foreach_openssl_hash_op; +#undef _ + vec_validate_aligned (per_thread_data, tm->n_vlib_mains - 1, CLIB_CACHE_LINE_BYTES); @@ -193,6 +515,7 @@ crypto_openssl_init (vlib_main_t * vm) ptd->evp_cipher_ctx = EVP_CIPHER_CTX_new (); #if OPENSSL_VERSION_NUMBER >= 0x10100000L ptd->hmac_ctx = HMAC_CTX_new (); + ptd->hash_ctx = EVP_MD_CTX_create (); #else HMAC_CTX_init (&(ptd->_hmac_ctx)); ptd->hmac_ctx = &ptd->_hmac_ctx; @@ -212,12 +535,18 @@ crypto_openssl_init (vlib_main_t * vm) return 0; } -VLIB_INIT_FUNCTION (crypto_openssl_init); +/* *INDENT-OFF* */ +VLIB_INIT_FUNCTION (crypto_openssl_init) = +{ + .runs_after = VLIB_INITS ("vnet_crypto_init"), +}; +/* *INDENT-ON* */ + /* *INDENT-OFF* */ VLIB_PLUGIN_REGISTER () = { .version = VPP_BUILD_VER, - .description = "OpenSSL Crypto Engine Plugin", + .description = "OpenSSL Crypto Engine", }; /* *INDENT-ON* */