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| author | Alistair Delva <adelva@google.com> | 2020-08-21 00:00:13 +0000 |
|---|---|---|
| committer | Gerrit Code Review <noreply-gerritcodereview@google.com> | 2020-08-21 00:00:13 +0000 |
| commit | ed358b3546c776c1c677fd88eb8f716cf6187510 (patch) | |
| tree | 3c6134bcb2cda4b9dccc57b4a8b997a945aab62d /cipher-chachapoly.c | |
| parent | 22246b08952d746a7cc5a292570636cf4277598f (diff) | |
| parent | 44a1065de8a58c51a021243a28bfa01e87822e4f (diff) | |
Merge changes I934c73d4,I28cdc9a0,I9e734da9,I3c079d86
* changes:
UPSTREAM: depend
UPSTREAM: upstream: avoid possible NULL deref; from Pedro Martelletto
Revert "upstream: fix compilation with DEBUG_KEXDH; bz#3160 ok dtucker@"
Merge upstream-master into master
Diffstat (limited to 'cipher-chachapoly.c')
| -rw-r--r-- | cipher-chachapoly.c | 31 |
1 files changed, 26 insertions, 5 deletions
diff --git a/cipher-chachapoly.c b/cipher-chachapoly.c index 7f31ff4c..716f8d42 100644 --- a/cipher-chachapoly.c +++ b/cipher-chachapoly.c @@ -14,9 +14,14 @@ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ -/* $OpenBSD: cipher-chachapoly.c,v 1.7 2015/01/14 10:24:42 markus Exp $ */ +/* $OpenBSD: cipher-chachapoly.c,v 1.9 2020/04/03 04:27:03 djm Exp $ */ #include "includes.h" +#ifdef WITH_OPENSSL +#include "openbsd-compat/openssl-compat.h" +#endif + +#if !defined(HAVE_EVP_CHACHA20) || defined(HAVE_BROKEN_CHACHA20) #include <sys/types.h> #include <stdarg.h> /* needed for log.h */ @@ -28,14 +33,28 @@ #include "ssherr.h" #include "cipher-chachapoly.h" -int chachapoly_init(struct chachapoly_ctx *ctx, - const u_char *key, u_int keylen) +struct chachapoly_ctx { + struct chacha_ctx main_ctx, header_ctx; +}; + +struct chachapoly_ctx * +chachapoly_new(const u_char *key, u_int keylen) { + struct chachapoly_ctx *ctx; + if (keylen != (32 + 32)) /* 2 x 256 bit keys */ - return SSH_ERR_INVALID_ARGUMENT; + return NULL; + if ((ctx = calloc(1, sizeof(*ctx))) == NULL) + return NULL; chacha_keysetup(&ctx->main_ctx, key, 256); chacha_keysetup(&ctx->header_ctx, key + 32, 256); - return 0; + return ctx; +} + +void +chachapoly_free(struct chachapoly_ctx *cpctx) +{ + freezero(cpctx, sizeof(*cpctx)); } /* @@ -116,3 +135,5 @@ chachapoly_get_length(struct chachapoly_ctx *ctx, *plenp = PEEK_U32(buf); return 0; } + +#endif /* !defined(HAVE_EVP_CHACHA20) || defined(HAVE_BROKEN_CHACHA20) */ |