diff options
Diffstat (limited to 'src/plugins/tlspicotls/pico_vpp_crypto.c')
| -rw-r--r-- | src/plugins/tlspicotls/pico_vpp_crypto.c | 37 |
1 files changed, 22 insertions, 15 deletions
diff --git a/src/plugins/tlspicotls/pico_vpp_crypto.c b/src/plugins/tlspicotls/pico_vpp_crypto.c index 8e724ea8b1a..3805ff3c981 100644 --- a/src/plugins/tlspicotls/pico_vpp_crypto.c +++ b/src/plugins/tlspicotls/pico_vpp_crypto.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2020 Intel and/or its affiliates. + * Copyright (c) 2021 Intel and/or its affiliates. * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at: @@ -42,6 +42,8 @@ struct vpp_aead_context_t vnet_crypto_alg_t alg; u32 key_index; u32 chunk_index; + uint8_t iv[PTLS_MAX_IV_SIZE]; + uint8_t static_iv[PTLS_MAX_IV_SIZE]; }; static void @@ -128,8 +130,8 @@ ptls_vpp_crypto_cipher_setup_crypto (ptls_cipher_context_t * _ctx, int is_enc, } size_t -ptls_vpp_crypto_aead_decrypt (ptls_aead_context_t * _ctx, void *_output, - const void *input, size_t inlen, const void *iv, +ptls_vpp_crypto_aead_decrypt (ptls_aead_context_t *_ctx, void *_output, + const void *input, size_t inlen, uint64_t seq, const void *aad, size_t aadlen) { vlib_main_t *vm = vlib_get_main (); @@ -139,7 +141,7 @@ ptls_vpp_crypto_aead_decrypt (ptls_aead_context_t * _ctx, void *_output, ctx->op.dst = _output; ctx->op.src = (void *) input; ctx->op.len = inlen - tag_size;; - ctx->op.iv = (void *) iv; + ctx->op.iv = ctx->static_iv; ctx->op.aad = (void *) aad; ctx->op.aad_len = aadlen; ctx->op.tag = (void *) input + inlen - tag_size; @@ -152,11 +154,13 @@ ptls_vpp_crypto_aead_decrypt (ptls_aead_context_t * _ctx, void *_output, } static void -ptls_vpp_crypto_aead_encrypt_init (ptls_aead_context_t * _ctx, const void *iv, +ptls_vpp_crypto_aead_encrypt_init (ptls_aead_context_t *_ctx, uint64_t seq, const void *aad, size_t aadlen) { struct vpp_aead_context_t *ctx = (struct vpp_aead_context_t *) _ctx; - ctx->op.iv = (void *) iv; + ctx->op.iv = ctx->iv; + ptls_aead__build_iv (ctx->super.algo, ctx->op.iv, ctx->static_iv, seq); + ctx->op.iv = ctx->static_iv; ctx->op.aad = (void *) aad; ctx->op.aad_len = aadlen; ctx->op.n_chunks = 2; @@ -200,10 +204,10 @@ ptls_vpp_crypto_aead_dispose_crypto (ptls_aead_context_t * _ctx) /* Do nothing */ } - static int -ptls_vpp_crypto_aead_setup_crypto (ptls_aead_context_t * _ctx, int is_enc, - const void *key, vnet_crypto_alg_t alg) +ptls_vpp_crypto_aead_setup_crypto (ptls_aead_context_t *_ctx, int is_enc, + const void *key, const void *iv, + vnet_crypto_alg_t alg) { struct vlib_main_t *vm = vlib_get_main (); struct vpp_aead_context_t *ctx = (struct vpp_aead_context_t *) _ctx; @@ -241,6 +245,7 @@ ptls_vpp_crypto_aead_setup_crypto (ptls_aead_context_t * _ctx, int is_enc, vnet_crypto_key_add (vm, ctx->alg, (void *) key, key_len); clib_rwlock_writer_unlock (&picotls_main.crypto_keys_rw_lock); ctx->chunk_index = 0; + clib_memcpy (ctx->static_iv, iv, ctx->super.algo->iv_size); ctx->super.do_decrypt = ptls_vpp_crypto_aead_decrypt; ctx->super.do_encrypt_init = ptls_vpp_crypto_aead_encrypt_init; @@ -268,18 +273,20 @@ ptls_vpp_crypto_aes256ctr_setup_crypto (ptls_cipher_context_t * ctx, } static int -ptls_vpp_crypto_aead_aes128gcm_setup_crypto (ptls_aead_context_t * ctx, - int is_enc, const void *key) +ptls_vpp_crypto_aead_aes128gcm_setup_crypto (ptls_aead_context_t *ctx, + int is_enc, const void *key, + const void *iv) { - return ptls_vpp_crypto_aead_setup_crypto (ctx, is_enc, key, + return ptls_vpp_crypto_aead_setup_crypto (ctx, is_enc, key, iv, VNET_CRYPTO_ALG_AES_128_GCM); } static int -ptls_vpp_crypto_aead_aes256gcm_setup_crypto (ptls_aead_context_t * ctx, - int is_enc, const void *key) +ptls_vpp_crypto_aead_aes256gcm_setup_crypto (ptls_aead_context_t *ctx, + int is_enc, const void *key, + const void *iv) { - return ptls_vpp_crypto_aead_setup_crypto (ctx, is_enc, key, + return ptls_vpp_crypto_aead_setup_crypto (ctx, is_enc, key, iv, VNET_CRYPTO_ALG_AES_256_GCM); } |