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7d6766cb53
Also convert the names to lower case. Reviewed-by: Richard Levitte <levitte@openssl.org> (Merged from https://github.com/openssl/openssl/pull/13014)
44 lines
1.5 KiB
C
44 lines
1.5 KiB
C
/*
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* Copyright 2019 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the Apache License 2.0 (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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/* Dispatch functions for chacha20_poly1305 cipher */
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#include "include/crypto/poly1305.h"
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#include "cipher_chacha20.h"
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#define NO_TLS_PAYLOAD_LENGTH ((size_t)-1)
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#define CHACHA20_POLY1305_IVLEN 12
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typedef struct {
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PROV_CIPHER_CTX base; /* must be first */
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PROV_CHACHA20_CTX chacha;
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POLY1305 poly1305;
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unsigned int nonce[12 / 4];
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unsigned char tag[POLY1305_BLOCK_SIZE];
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unsigned char tls_aad[POLY1305_BLOCK_SIZE];
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struct { uint64_t aad, text; } len;
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unsigned int aad : 1;
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unsigned int mac_inited : 1;
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size_t tag_len, nonce_len;
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size_t tls_payload_length;
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size_t tls_aad_pad_sz;
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} PROV_CHACHA20_POLY1305_CTX;
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typedef struct prov_cipher_hw_chacha_aead_st {
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PROV_CIPHER_HW base; /* must be first */
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int (*aead_cipher)(PROV_CIPHER_CTX *dat, unsigned char *out, size_t *outl,
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const unsigned char *in, size_t len);
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int (*initiv)(PROV_CIPHER_CTX *ctx);
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int (*tls_init)(PROV_CIPHER_CTX *ctx, unsigned char *aad, size_t alen);
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int (*tls_iv_set_fixed)(PROV_CIPHER_CTX *ctx, unsigned char *fixed,
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size_t flen);
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} PROV_CIPHER_HW_CHACHA20_POLY1305;
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const PROV_CIPHER_HW *ossl_prov_cipher_hw_chacha20_poly1305(size_t keybits);
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