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upstream: Garbage collect cipher_get_keyiv_len()

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This is a compat20 leftover, unused since 2017.

ok djm

OpenBSD-Commit-ID: 91fa5497c9dc6883064624ac27813a567883fdce
This commit is contained in:
tb@openbsd.org 2023-10-10 06:49:54 +00:00 committed by Damien Miller
parent 8d29ee4115
commit 0354790826
No known key found for this signature in database
2 changed files with 2 additions and 24 deletions
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23
cipher.c
View File

@ -1,4 +1,4 @@
/* $OpenBSD: cipher.c,v 1.119 2021/04/03 06:18:40 djm Exp $ */
/* $OpenBSD: cipher.c,v 1.120 2023/10/10 06:49:54 tb Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@ -434,27 +434,6 @@ cipher_free(struct sshcipher_ctx *cc)
freezero(cc, sizeof(*cc));
}
/*
* Exports an IV from the sshcipher_ctx required to export the key
* state back from the unprivileged child to the privileged parent
* process.
*/
int
cipher_get_keyiv_len(const struct sshcipher_ctx *cc)
{
const struct sshcipher *c = cc->cipher;
if ((c->flags & CFLAG_CHACHAPOLY) != 0)
return 0;
else if ((c->flags & CFLAG_AESCTR) != 0)
return sizeof(cc->ac_ctx.ctr);
#ifdef WITH_OPENSSL
return EVP_CIPHER_CTX_iv_length(cc->evp);
#else
return 0;
#endif
}
int
cipher_get_keyiv(struct sshcipher_ctx *cc, u_char *iv, size_t len)
{

3
cipher.h
View File

@ -1,4 +1,4 @@
/* $OpenBSD: cipher.h,v 1.55 2020/01/23 10:24:29 dtucker Exp $ */
/* $OpenBSD: cipher.h,v 1.56 2023/10/10 06:49:54 tb Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
@ -73,6 +73,5 @@ u_int cipher_ctx_is_plaintext(struct sshcipher_ctx *);
int cipher_get_keyiv(struct sshcipher_ctx *, u_char *, size_t);
int cipher_set_keyiv(struct sshcipher_ctx *, const u_char *, size_t);
int cipher_get_keyiv_len(const struct sshcipher_ctx *);
#endif /* CIPHER_H */