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Differential D32105 Diff 96374 sys/opencrypto/xform_chacha20_poly1305.c

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sys/opencrypto/xform_chacha20_poly1305.c

Show First 20 Lines • Show All 44 Lines • ▼ Show 20 Lineschacha20_poly1305_setkey(void *vctx, const uint8_t *key, int len)
if (len != CHACHA20_POLY1305_KEY) if (len != CHACHA20_POLY1305_KEY)
return (EINVAL); return (EINVAL);
ctx->key = key; ctx->key = key;
return (0); return (0);
} }
static void static void
chacha20_poly1305_reinit(void *vctx, const uint8_t *iv) chacha20_poly1305_reinit(void *vctx, const uint8_t *iv, size_t ivlen)
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markj: And here.
{ {
struct chacha20_poly1305_cipher_ctx *ctx = vctx; struct chacha20_poly1305_cipher_ctx *ctx = vctx;
KASSERT(ivlen == sizeof(ctx->nonce),
("%s: invalid nonce length", __func__));
/* Block 0 is used for the poly1305 key. */ /* Block 0 is used for the poly1305 key. */
memcpy(ctx->nonce, iv, sizeof(ctx->nonce)); memcpy(ctx->nonce, iv, sizeof(ctx->nonce));
ctx->ic = 1; ctx->ic = 1;
} }
static void static void
chacha20_poly1305_crypt(void *vctx, const uint8_t *in, uint8_t *out) chacha20_poly1305_crypt(void *vctx, const uint8_t *in, uint8_t *out)
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