diff options
Diffstat (limited to 'src/methods/generic_poly1305/generic_poly1305.c')
-rw-r--r-- | src/methods/generic_poly1305/generic_poly1305.c | 38 |
1 files changed, 19 insertions, 19 deletions
diff --git a/src/methods/generic_poly1305/generic_poly1305.c b/src/methods/generic_poly1305/generic_poly1305.c index f84046e..1f40655 100644 --- a/src/methods/generic_poly1305/generic_poly1305.c +++ b/src/methods/generic_poly1305/generic_poly1305.c @@ -34,21 +34,21 @@ #define AUTHBLOCKS 2 -struct fastd_method_context { +struct fastd_method { const fastd_cipher_info_t *cipher_info; }; struct fastd_method_session_state { fastd_method_common_t common; - const fastd_method_context_t *ctx; + const fastd_method_t *method; const fastd_cipher_t *cipher; fastd_cipher_state_t *cipher_state; }; -static bool method_create_by_name(const char *name, fastd_method_context_t **method_ctx) { - fastd_method_context_t ctx; +static bool method_create_by_name(const char *name, fastd_method_t **method) { + fastd_method_t m; size_t len = strlen(name); if (len < 9) @@ -61,33 +61,33 @@ static bool method_create_by_name(const char *name, fastd_method_context_t **met memcpy(cipher_name, name, len-9); cipher_name[len-9] = 0; - ctx.cipher_info = fastd_cipher_info_get_by_name(cipher_name); - if (!ctx.cipher_info) + m.cipher_info = fastd_cipher_info_get_by_name(cipher_name); + if (!m.cipher_info) return false; - if (ctx.cipher_info->iv_length <= COMMON_NONCEBYTES) + if (m.cipher_info->iv_length <= COMMON_NONCEBYTES) return false; - *method_ctx = malloc(sizeof(fastd_method_context_t)); - **method_ctx = ctx; + *method = malloc(sizeof(fastd_method_t)); + **method = m; return true; } -static void method_destroy(fastd_method_context_t *method_ctx) { - free(method_ctx); +static void method_destroy(fastd_method_t *method) { + free(method); } -static size_t method_key_length(fastd_context_t *ctx UNUSED, const fastd_method_context_t *method_ctx) { - return method_ctx->cipher_info->key_length; +static size_t method_key_length(fastd_context_t *ctx UNUSED, const fastd_method_t *method) { + return method->cipher_info->key_length; } -static fastd_method_session_state_t* method_session_init(fastd_context_t *ctx, const fastd_method_context_t *method_ctx, const uint8_t *secret, bool initiator) { +static fastd_method_session_state_t* method_session_init(fastd_context_t *ctx, const fastd_method_t *method, const uint8_t *secret, bool initiator) { fastd_method_session_state_t *session = malloc(sizeof(fastd_method_session_state_t)); fastd_method_common_init(ctx, &session->common, initiator); - session->ctx = method_ctx; - session->cipher = fastd_cipher_get(ctx, session->ctx->cipher_info); + session->method = method; + session->cipher = fastd_cipher_get(ctx, session->method->cipher_info); session->cipher_state = session->cipher->init(ctx, secret); return session; @@ -126,7 +126,7 @@ static bool method_encrypt(fastd_context_t *ctx, fastd_peer_t *peer UNUSED, fast if (tail_len) memset(in.data+in.len, 0, tail_len); - size_t iv_length = session->ctx->cipher_info->iv_length; + size_t iv_length = session->method->cipher_info->iv_length; uint8_t nonce[iv_length]; memset(nonce, 0, iv_length); memcpy(nonce, session->common.send_nonce, COMMON_NONCEBYTES); @@ -174,7 +174,7 @@ static bool method_decrypt(fastd_context_t *ctx, fastd_peer_t *peer, fastd_metho if (((const uint8_t*)in.data)[COMMON_NONCEBYTES]) /* flags */ return false; - size_t iv_length = session->ctx->cipher_info->iv_length; + size_t iv_length = session->method->cipher_info->iv_length; uint8_t nonce[iv_length]; memset(nonce, 0, iv_length); memcpy(nonce, in.data, COMMON_NONCEBYTES); @@ -233,7 +233,7 @@ static bool method_decrypt(fastd_context_t *ctx, fastd_peer_t *peer, fastd_metho return true; } -const fastd_method_t fastd_method_generic_poly1305 = { +const fastd_method_provider_t fastd_method_generic_poly1305 = { .max_overhead = COMMON_HEADBYTES + crypto_onetimeauth_poly1305_BYTES, .min_encrypt_head_space = AUTHBLOCKS*sizeof(fastd_block128_t), .min_decrypt_head_space = AUTHBLOCKS*sizeof(fastd_block128_t) - crypto_onetimeauth_poly1305_BYTES, |