Lucas Gabriel Vuotto
6677c6cab3
Now that HMAC isn't special anymore, and with the help of init params,
this isn't needed anymore as we only allocate memory for the state.
This effectively reverts e9bcc64e62 .
105 lines
2.6 KiB
C
105 lines
2.6 KiB
C
/*
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* Copyright (c) 2024 Lucas Gabriel Vuotto <lucas@lgv5.net>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <stdlib.h>
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#include "lilcrypto.h"
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#include "cipher.h"
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int
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lc_cipher_encrypt_init(struct lc_cipher_ctx *ctx, void *initparams)
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{
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return ctx->impl->encrypt_init(ctx->arg, initparams);
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}
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int
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lc_cipher_encrypt_update(struct lc_cipher_ctx *ctx, uint8_t *out,
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size_t *outlen, const uint8_t *in, size_t inlen)
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{
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return ctx->impl->encrypt_update(ctx->arg, out, outlen, in, inlen);
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}
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int
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lc_cipher_encrypt_final(struct lc_cipher_ctx *ctx, uint8_t *out,
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size_t *outlen)
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{
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return ctx->impl->encrypt_final(ctx->arg, out, outlen);
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}
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int
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lc_cipher_encrypt(const struct lc_cipher_impl *impl, uint8_t *out,
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size_t *outlen, void *initparams, const uint8_t *in, size_t inlen)
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{
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return impl->encrypt(out, outlen, initparams, in, inlen);
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}
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int
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lc_cipher_decrypt_init(struct lc_cipher_ctx *ctx, void *initparams)
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{
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return ctx->impl->decrypt_init(ctx->arg, initparams);
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}
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int
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lc_cipher_decrypt_update(struct lc_cipher_ctx *ctx, uint8_t *out,
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size_t *outlen, const uint8_t *in, size_t inlen)
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{
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return ctx->impl->decrypt_update(ctx->arg, out, outlen, in, inlen);
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}
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int
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lc_cipher_decrypt_final(struct lc_cipher_ctx *ctx, uint8_t *out,
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size_t *outlen)
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{
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return ctx->impl->decrypt_final(ctx->arg, out, outlen);
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}
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int
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lc_cipher_decrypt(const struct lc_cipher_impl *impl, uint8_t *out,
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size_t *outlen, void *initparams, const uint8_t *in, size_t inlen)
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{
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return impl->decrypt(out, outlen, initparams, in, inlen);
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}
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struct lc_cipher_ctx *
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lc_cipher_ctx_new(const struct lc_cipher_impl *impl)
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{
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struct lc_cipher_ctx *ctx;
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ctx = malloc(sizeof(*ctx));
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if (ctx == NULL)
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return NULL;
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if (impl->argsz > 0) {
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ctx->arg = malloc(impl->argsz);
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if (ctx->arg == NULL) {
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free(ctx);
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return NULL;
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}
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} else
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ctx->arg = NULL;
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ctx->impl = impl;
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return ctx;
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}
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void
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lc_cipher_ctx_free(struct lc_cipher_ctx *ctx)
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{
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if (ctx != NULL)
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free(ctx->arg);
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free(ctx);
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}
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