annotate src/core/ngx_sha1.h @ 7870:e169cce912c7 quic

Avoid retransmitting of packets with discarded keys. Sections 4.10.1 and 4.10.2 of quic transport describe discarding of initial and handshake keys. Since the keys are discarded, we no longer need to retransmit packets and corresponding queues should be emptied. This patch removes previously added workaround that did not require acknowledgement for initial packets, resulting in avoiding retransmission, which is wrong because a packet could be lost and we have to retransmit it.
author Vladimir Homutov <vl@nginx.com>
date Mon, 18 May 2020 13:54:53 +0300
parents 9eefb38f0005
children
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2 /*
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3 * Copyright (C) Igor Sysoev
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4 * Copyright (C) Nginx, Inc.
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5 */
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8 #ifndef _NGX_SHA1_H_INCLUDED_
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9 #define _NGX_SHA1_H_INCLUDED_
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12 #include <ngx_config.h>
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13 #include <ngx_core.h>
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16 typedef struct {
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17 uint64_t bytes;
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18 uint32_t a, b, c, d, e, f;
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19 u_char buffer[64];
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20 } ngx_sha1_t;
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23 void ngx_sha1_init(ngx_sha1_t *ctx);
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24 void ngx_sha1_update(ngx_sha1_t *ctx, const void *data, size_t size);
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25 void ngx_sha1_final(u_char result[20], ngx_sha1_t *ctx);
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28 #endif /* _NGX_SHA1_H_INCLUDED_ */