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Differential D33529 Diff 100248 sys/crypto/chacha20/chacha-sw.c

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sys/crypto/chacha20/chacha-sw.c

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static void static void
chacha20_xform_crypt(void *ctx, const uint8_t *in, uint8_t *out) chacha20_xform_crypt(void *ctx, const uint8_t *in, uint8_t *out)
{ {
chacha_encrypt_bytes(ctx, in, out, CHACHA_BLOCKLEN); chacha_encrypt_bytes(ctx, in, out, CHACHA_BLOCKLEN);
} }
static void static void
chacha20_xform_crypt_multi(void *ctx, const uint8_t *in, uint8_t *out,
size_t len)
{
KASSERT(len % CHACHA_BLOCKLEN == 0, ("%s: invalid length", __func__));
chacha_encrypt_bytes(ctx, in, out, len);
}
static void
chacha20_xform_crypt_last(void *ctx, const uint8_t *in, uint8_t *out, chacha20_xform_crypt_last(void *ctx, const uint8_t *in, uint8_t *out,
size_t len) size_t len)
{ {
chacha_encrypt_bytes(ctx, in, out, len); chacha_encrypt_bytes(ctx, in, out, len);
} }
const struct enc_xform enc_xform_chacha20 = { const struct enc_xform enc_xform_chacha20 = {
.type = CRYPTO_CHACHA20, .type = CRYPTO_CHACHA20,
.name = "chacha20", .name = "chacha20",
.ctxsize = sizeof(struct chacha_ctx), .ctxsize = sizeof(struct chacha_ctx),
.blocksize = 1, .blocksize = 1,
.native_blocksize = CHACHA_BLOCKLEN, .native_blocksize = CHACHA_BLOCKLEN,
.ivsize = CHACHA_NONCELEN + CHACHA_CTRLEN, .ivsize = CHACHA_NONCELEN + CHACHA_CTRLEN,
.minkey = CHACHA_MINKEYLEN, .minkey = CHACHA_MINKEYLEN,
.maxkey = 32, .maxkey = 32,
.encrypt = chacha20_xform_crypt,
.decrypt = chacha20_xform_crypt,
.setkey = chacha20_xform_setkey, .setkey = chacha20_xform_setkey,
.reinit = chacha20_xform_reinit, .reinit = chacha20_xform_reinit,
.encrypt = chacha20_xform_crypt,
.decrypt = chacha20_xform_crypt,
.encrypt_multi = chacha20_xform_crypt_multi,
.decrypt_multi = chacha20_xform_crypt_multi,
.encrypt_last = chacha20_xform_crypt_last, .encrypt_last = chacha20_xform_crypt_last,
.decrypt_last = chacha20_xform_crypt_last, .decrypt_last = chacha20_xform_crypt_last,
}; };