Mercurial > hg > nginx
view src/event/ngx_event_quic.c @ 8171:4daf03d2bd0a quic
OpenSSL compatibility.
author | Sergey Kandaurov <pluknet@nginx.com> |
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date | Fri, 28 Feb 2020 13:09:51 +0300 |
parents | |
children | 76e29ff31cd3 |
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#include <ngx_config.h> #include <ngx_core.h> #include <ngx_event.h> uint64_t ngx_quic_parse_int(u_char **pos) { u_char *p; uint64_t value; ngx_uint_t len; p = *pos; len = 1 << ((*p & 0xc0) >> 6); value = *p++ & 0x3f; while (--len) { value = (value << 8) + *p++; } *pos = p; return value; } void ngx_quic_build_int(u_char **pos, uint64_t value) { u_char *p; ngx_uint_t len;//, len2; p = *pos; len = 0; while (value >> ((1 << len) * 8 - 2)) { len++; } *p = len << 6; // len2 = len = (1 << len); len--; *p |= value >> (len * 8); p++; while (len) { *p++ = value >> ((len-- - 1) * 8); } *pos = p; // return len2; } uint64_t ngx_quic_parse_pn(u_char **pos, ngx_int_t len, u_char *mask) { u_char *p; uint64_t value; p = *pos; value = *p++ ^ *mask++; while (--len) { value = (value << 8) + (*p++ ^ *mask++); } *pos = p; return value; } ngx_int_t ngx_hkdf_extract(u_char *out_key, size_t *out_len, const EVP_MD *digest, const u_char *secret, size_t secret_len, const u_char *salt, size_t salt_len) { #ifdef OPENSSL_IS_BORINGSSL if (HKDF_extract(out_key, out_len, digest, secret, secret_len, salt, salt_len) == 0) { return NGX_ERROR; } #else EVP_PKEY_CTX *pctx; pctx = EVP_PKEY_CTX_new_id(EVP_PKEY_HKDF, NULL); if (EVP_PKEY_derive_init(pctx) <= 0) { return NGX_ERROR; } if (EVP_PKEY_CTX_hkdf_mode(pctx, EVP_PKEY_HKDEF_MODE_EXTRACT_ONLY) <= 0) { return NGX_ERROR; } if (EVP_PKEY_CTX_set_hkdf_md(pctx, digest) <= 0) { return NGX_ERROR; } if (EVP_PKEY_CTX_set1_hkdf_key(pctx, secret, secret_len) <= 0) { return NGX_ERROR; } if (EVP_PKEY_CTX_set1_hkdf_salt(pctx, salt, salt_len) <= 0) { return NGX_ERROR; } if (EVP_PKEY_derive(pctx, out_key, out_len) <= 0) { return NGX_ERROR; } #endif return NGX_OK; } ngx_int_t ngx_hkdf_expand(u_char *out_key, size_t out_len, const EVP_MD *digest, const u_char *prk, size_t prk_len, const u_char *info, size_t info_len) { #ifdef OPENSSL_IS_BORINGSSL if (HKDF_expand(out_key, out_len, digest, prk, prk_len, info, info_len) == 0) { return NGX_ERROR; } #else EVP_PKEY_CTX *pctx; pctx = EVP_PKEY_CTX_new_id(EVP_PKEY_HKDF, NULL); if (EVP_PKEY_derive_init(pctx) <= 0) { return NGX_ERROR; } if (EVP_PKEY_CTX_hkdf_mode(pctx, EVP_PKEY_HKDEF_MODE_EXPAND_ONLY) <= 0) { return NGX_ERROR; } if (EVP_PKEY_CTX_set_hkdf_md(pctx, digest) <= 0) { return NGX_ERROR; } if (EVP_PKEY_CTX_set1_hkdf_key(pctx, prk, prk_len) <= 0) { return NGX_ERROR; } if (EVP_PKEY_CTX_add1_hkdf_info(pctx, info, info_len) <= 0) { return NGX_ERROR; } if (EVP_PKEY_derive(pctx, out_key, &out_len) <= 0) { return NGX_ERROR; } #endif return NGX_OK; }