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Move all inout parameters to the front of the arguments list

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This commit is contained in:
Lucas Gabriel Vuotto 2024-06-07 17:47:42 +00:00
parent 7b539ccdcd
commit 67d4de1657
12 changed files with 73 additions and 66 deletions
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18
aead.c
View File

@ -19,21 +19,19 @@
int int
lc_aead_seal(const struct lc_aead_impl *impl, const uint8_t *key, lc_aead_seal(const struct lc_aead_impl *impl, uint8_t *out, size_t *outlen,
size_t keylen, const uint8_t *iv, size_t ivlen, uint8_t *out, const uint8_t *key, size_t keylen, const uint8_t *iv, size_t ivlen,
size_t *outlen, const uint8_t *aad, size_t aadlen, const uint8_t *in, const uint8_t *aad, size_t aadlen, const uint8_t *in, size_t inlen)
size_t inlen)
{ {
return impl->seal(key, keylen, iv, ivlen, out, outlen, aad, aadlen, in, return impl->seal(out, outlen, key, keylen, iv, ivlen, aad, aadlen, in,
inlen); inlen);
} }
int int
lc_aead_open(const struct lc_aead_impl *impl, const uint8_t *key, lc_aead_open(const struct lc_aead_impl *impl, uint8_t *out, size_t *outlen,
size_t keylen, const uint8_t *iv, size_t ivlen, uint8_t *out, const uint8_t *key, size_t keylen, const uint8_t *iv, size_t ivlen,
size_t *outlen, const uint8_t *aad, size_t aadlen, const uint8_t *in, const uint8_t *aad, size_t aadlen, const uint8_t *in, size_t inlen)
size_t inlen)
{ {
return impl->open(key, keylen, iv, ivlen, out, outlen, aad, aadlen, in, return impl->open(out, outlen, key, keylen, iv, ivlen, aad, aadlen, in,
inlen); inlen);
} }

8
aead.h
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@ -19,10 +19,10 @@
struct lc_aead_impl { struct lc_aead_impl {
int (*seal)(const uint8_t *, size_t, const uint8_t *, size_t, int (*seal)(uint8_t *, size_t *, const uint8_t *, size_t,
uint8_t *, size_t *, const uint8_t *, size_t, const uint8_t *, size_t, const uint8_t *, size_t,
const uint8_t *, size_t); const uint8_t *, size_t);
int (*open)(const uint8_t *, size_t, const uint8_t *, size_t, int (*open)(uint8_t *, size_t *, const uint8_t *, size_t,
uint8_t *, size_t *, const uint8_t *, size_t, const uint8_t *, size_t, const uint8_t *, size_t,
const uint8_t *, size_t); const uint8_t *, size_t);
}; };

23
aead_chacha20_poly1305.c
View File

@ -25,14 +25,16 @@
/* /*
* Implements ChaCha20-Poly1305 according to RFC 8439. * Implements ChaCha20-Poly1305 according to RFC 8439, XChaCha20-Poly1305
* according to draft-irtf-cfrg-xchacha-03.
*/ */
static uint8_t zeropad[16]; static const uint8_t zeropad[16];
static int static int
chacha20_poly1305_seal(const uint8_t *key, size_t keylen, const uint8_t *iv, chacha20_poly1305_seal(uint8_t *out, size_t *outlen, const uint8_t *key,
size_t ivlen, uint8_t *out, size_t *outlen, const uint8_t *aad, size_t keylen, const uint8_t *iv, size_t ivlen, const uint8_t *aad,
size_t aadlen, const uint8_t *in, size_t inlen) size_t aadlen, const uint8_t *in, size_t inlen)
{ {
struct chacha20_ctx cctx; struct chacha20_ctx cctx;
@ -102,8 +104,8 @@ chacha20_poly1305_seal(const uint8_t *key, size_t keylen, const uint8_t *iv,
} }
static int static int
chacha20_poly1305_open(const uint8_t *key, size_t keylen, const uint8_t *iv, chacha20_poly1305_open(uint8_t *out, size_t *outlen, const uint8_t *key,
size_t ivlen, uint8_t *out, size_t *outlen, const uint8_t *aad, size_t keylen, const uint8_t *iv, size_t ivlen, const uint8_t *aad,
size_t aadlen, const uint8_t *in, size_t inlen) size_t aadlen, const uint8_t *in, size_t inlen)
{ {
const uint8_t *tagp; const uint8_t *tagp;
@ -181,8 +183,8 @@ chacha20_poly1305_open(const uint8_t *key, size_t keylen, const uint8_t *iv,
} }
static int static int
xchacha20_poly1305_seal(const uint8_t *key, size_t keylen, const uint8_t *iv, xchacha20_poly1305_seal(uint8_t *out, size_t *outlen, const uint8_t *key,
size_t ivlen, uint8_t *out, size_t *outlen, const uint8_t *aad, size_t keylen, const uint8_t *iv, size_t ivlen, const uint8_t *aad,
size_t aadlen, const uint8_t *in, size_t inlen) size_t aadlen, const uint8_t *in, size_t inlen)
{ {
struct chacha20_ctx cctx; struct chacha20_ctx cctx;
@ -252,8 +254,8 @@ xchacha20_poly1305_seal(const uint8_t *key, size_t keylen, const uint8_t *iv,
} }
static int static int
xchacha20_poly1305_open(const uint8_t *key, size_t keylen, const uint8_t *iv, xchacha20_poly1305_open(uint8_t *out, size_t *outlen, const uint8_t *key,
size_t ivlen, uint8_t *out, size_t *outlen, const uint8_t *aad, size_t keylen, const uint8_t *iv, size_t ivlen, const uint8_t *aad,
size_t aadlen, const uint8_t *in, size_t inlen) size_t aadlen, const uint8_t *in, size_t inlen)
{ {
const uint8_t *tagp; const uint8_t *tagp;
@ -346,6 +348,7 @@ lc_aead_impl_chacha20_poly1305(void)
{ {
return &chacha20_poly1305_impl; return &chacha20_poly1305_impl;
} }
const struct lc_aead_impl * const struct lc_aead_impl *
lc_aead_impl_xchacha20_poly1305(void) lc_aead_impl_xchacha20_poly1305(void)
{ {

6
auth.c
View File

@ -40,10 +40,10 @@ lc_auth_final(struct lc_auth_ctx *ctx, uint8_t *out, size_t *outlen)
} }
int int
lc_auth(const struct lc_auth_impl *impl, const uint8_t *key, size_t keylen, lc_auth(const struct lc_auth_impl *impl, uint8_t *out, size_t *outlen,
uint8_t *out, size_t *outlen, const uint8_t *in, size_t inlen) const uint8_t *key, size_t keylen, const uint8_t *in, size_t inlen)
{ {
return impl->auth(key, keylen, out, outlen, in, inlen); return impl->auth(out, outlen, key, keylen, in, inlen);
} }
struct lc_auth_ctx * struct lc_auth_ctx *

2
auth.h
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@ -22,7 +22,7 @@ struct lc_auth_impl {
int (*init)(void *, const uint8_t *, size_t); int (*init)(void *, const uint8_t *, size_t);
int (*update)(void *, const uint8_t *, size_t); int (*update)(void *, const uint8_t *, size_t);
int (*final)(void *, uint8_t *, size_t *); int (*final)(void *, uint8_t *, size_t *);
int (*auth)(const uint8_t *, size_t, uint8_t *, size_t *, int (*auth)(uint8_t *, size_t *, const uint8_t *, size_t,
const uint8_t *, size_t); const uint8_t *, size_t);
void *(*ctx_new)(void); void *(*ctx_new)(void);

2
auth_poly1305.c
View File

@ -138,7 +138,7 @@ poly1305_final(void *arg, uint8_t *out, size_t *outlen)
} }
static int static int
poly1305_auth(const uint8_t *key, size_t keylen, uint8_t *out, size_t *outlen, poly1305_auth(uint8_t *out, size_t *outlen, const uint8_t *key, size_t keylen,
const uint8_t *in, size_t inlen) const uint8_t *in, size_t inlen)
{ {
struct poly1305_ctx ctx; struct poly1305_ctx ctx;

16
cipher.c
View File

@ -42,11 +42,11 @@ lc_cipher_encrypt_final(struct lc_cipher_ctx *ctx, uint8_t *out,
} }
int int
lc_cipher_encrypt(const struct lc_cipher_impl *impl, const uint8_t *key, lc_cipher_encrypt(const struct lc_cipher_impl *impl, uint8_t *out,
size_t keylen, const uint8_t *iv, size_t ivlen, uint8_t *out, size_t *outlen, const uint8_t *key, size_t keylen, const uint8_t *iv,
size_t *outlen, const uint8_t *in, size_t inlen) size_t ivlen, const uint8_t *in, size_t inlen)
{ {
return impl->encrypt(key, keylen, iv, ivlen, out, outlen, in, inlen); return impl->encrypt(out, outlen, key, keylen, iv, ivlen, in, inlen);
} }
int int
@ -71,11 +71,11 @@ lc_cipher_decrypt_final(struct lc_cipher_ctx *ctx, uint8_t *out,
} }
int int
lc_cipher_decrypt(const struct lc_cipher_impl *impl, const uint8_t *key, lc_cipher_decrypt(const struct lc_cipher_impl *impl, uint8_t *out,
size_t keylen, const uint8_t *iv, size_t ivlen, uint8_t *out, size_t *outlen, const uint8_t *key, size_t keylen, const uint8_t *iv,
size_t *outlen, const uint8_t *in, size_t inlen) size_t ivlen, const uint8_t *in, size_t inlen)
{ {
return impl->decrypt(key, keylen, iv, ivlen, out, outlen, in, inlen); return impl->decrypt(out, outlen, key, keylen, iv, ivlen, in, inlen);
} }
struct lc_cipher_ctx * struct lc_cipher_ctx *

8
cipher.h
View File

@ -24,16 +24,16 @@ struct lc_cipher_impl {
int (*encrypt_update)(void *, uint8_t *, size_t *, const uint8_t *, int (*encrypt_update)(void *, uint8_t *, size_t *, const uint8_t *,
size_t); size_t);
int (*encrypt_final)(void *, uint8_t *, size_t *); int (*encrypt_final)(void *, uint8_t *, size_t *);
int (*encrypt)(const uint8_t *, size_t, const uint8_t *, size_t, int (*encrypt)(uint8_t *, size_t *, const uint8_t *, size_t,
uint8_t *, size_t *, const uint8_t *, size_t); const uint8_t *, size_t, const uint8_t *, size_t);
int (*decrypt_init)(void *, const uint8_t *, size_t, int (*decrypt_init)(void *, const uint8_t *, size_t,
const uint8_t *, size_t); const uint8_t *, size_t);
int (*decrypt_update)(void *, uint8_t *, size_t *, const uint8_t *, int (*decrypt_update)(void *, uint8_t *, size_t *, const uint8_t *,
size_t); size_t);
int (*decrypt_final)(void *, uint8_t *, size_t *); int (*decrypt_final)(void *, uint8_t *, size_t *);
int (*decrypt)(const uint8_t *, size_t, const uint8_t *, size_t, int (*decrypt)(uint8_t *, size_t *, const uint8_t *, size_t,
uint8_t *, size_t *, const uint8_t *, size_t); const uint8_t *, size_t, const uint8_t *, size_t);
void *(*ctx_new)(void); void *(*ctx_new)(void);
void (*ctx_free)(void *); void (*ctx_free)(void *);

4
cipher_chacha20.c
View File

@ -193,8 +193,8 @@ chacha20_common_final(void *arg, uint8_t *out, size_t *outlen)
} }
int int
chacha20_common(const uint8_t *key, size_t keylen, const uint8_t *iv, chacha20_common(uint8_t *out, size_t *outlen, const uint8_t *key,
size_t ivlen, uint8_t *out, size_t *outlen, const uint8_t *in, size_t keylen, const uint8_t *iv, size_t ivlen, const uint8_t *in,
size_t inlen) size_t inlen)
{ {
struct chacha20_ctx ctx; struct chacha20_ctx ctx;

4
cipher_chacha20.h
View File

@ -29,5 +29,5 @@ int xchacha20_common_init(void *, const uint8_t *, size_t, const uint8_t *,
int chacha20_common_update(void *, uint8_t *, size_t *, const uint8_t *, int chacha20_common_update(void *, uint8_t *, size_t *, const uint8_t *,
size_t); size_t);
int chacha20_common_final(void *, uint8_t *, size_t *); int chacha20_common_final(void *, uint8_t *, size_t *);
int chacha20_common(const uint8_t *, size_t, const uint8_t *, size_t, int chacha20_common(uint8_t *, size_t *, const uint8_t *, size_t,
uint8_t *, size_t *, const uint8_t *, size_t); const uint8_t *, size_t, const uint8_t *, size_t);

33
lilcrypto.h
View File

@ -14,6 +14,9 @@
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/ */
#ifndef LILCRYPTO_H
#define LILCRYPTO_H
#include <stddef.h> #include <stddef.h>
#include <stdint.h> #include <stdint.h>
#include <stdio.h> #include <stdio.h>
@ -81,8 +84,8 @@ struct lc_auth_impl;
int lc_auth_init(struct lc_auth_ctx *, const uint8_t *, size_t); int lc_auth_init(struct lc_auth_ctx *, const uint8_t *, size_t);
int lc_auth_update(struct lc_auth_ctx *, const uint8_t *, size_t); int lc_auth_update(struct lc_auth_ctx *, const uint8_t *, size_t);
int lc_auth_final(struct lc_auth_ctx *, uint8_t *, size_t *); int lc_auth_final(struct lc_auth_ctx *, uint8_t *, size_t *);
int lc_auth(const struct lc_auth_impl *, const uint8_t *, size_t, int lc_auth(const struct lc_auth_impl *, uint8_t *, size_t *,
uint8_t *, size_t *, const uint8_t *, size_t); const uint8_t *, size_t, const uint8_t *, size_t);
struct lc_auth_ctx *lc_auth_ctx_new(const struct lc_auth_impl *); struct lc_auth_ctx *lc_auth_ctx_new(const struct lc_auth_impl *);
void lc_auth_ctx_free(struct lc_auth_ctx *); void lc_auth_ctx_free(struct lc_auth_ctx *);
@ -107,17 +110,17 @@ int lc_cipher_encrypt_init(struct lc_cipher_ctx *, const uint8_t *, size_t,
int lc_cipher_encrypt_update(struct lc_cipher_ctx *, uint8_t *, size_t *, int lc_cipher_encrypt_update(struct lc_cipher_ctx *, uint8_t *, size_t *,
const uint8_t *, size_t); const uint8_t *, size_t);
int lc_cipher_encrypt_final(struct lc_cipher_ctx *, uint8_t *, size_t *); int lc_cipher_encrypt_final(struct lc_cipher_ctx *, uint8_t *, size_t *);
int lc_cipher_encrypt(const struct lc_cipher_impl *, const uint8_t *, int lc_cipher_encrypt(const struct lc_cipher_impl *, uint8_t *, size_t *,
size_t, const uint8_t *, size_t, uint8_t *, size_t *, const uint8_t *, size_t, const uint8_t *, size_t, const uint8_t *,
const uint8_t *, size_t); size_t);
int lc_cipher_decrypt_init(struct lc_cipher_ctx *, const uint8_t *, size_t, int lc_cipher_decrypt_init(struct lc_cipher_ctx *, const uint8_t *, size_t,
const uint8_t *, size_t); const uint8_t *, size_t);
int lc_cipher_decrypt_update(struct lc_cipher_ctx *, uint8_t *, size_t *, int lc_cipher_decrypt_update(struct lc_cipher_ctx *, uint8_t *, size_t *,
const uint8_t *, size_t); const uint8_t *, size_t);
int lc_cipher_decrypt_final(struct lc_cipher_ctx *, uint8_t *, size_t *); int lc_cipher_decrypt_final(struct lc_cipher_ctx *, uint8_t *, size_t *);
int lc_cipher_decrypt(const struct lc_cipher_impl *, const uint8_t *, int lc_cipher_decrypt(const struct lc_cipher_impl *, uint8_t *, size_t *,
size_t, const uint8_t *, size_t, uint8_t *, size_t *, const uint8_t *, size_t, const uint8_t *, size_t, const uint8_t *,
const uint8_t *, size_t); size_t);
struct lc_cipher_ctx *lc_cipher_ctx_new(const struct lc_cipher_impl *); struct lc_cipher_ctx *lc_cipher_ctx_new(const struct lc_cipher_impl *);
void lc_cipher_ctx_free(struct lc_cipher_ctx *); void lc_cipher_ctx_free(struct lc_cipher_ctx *);
@ -133,12 +136,12 @@ const struct lc_cipher_impl *lc_cipher_impl_xchacha20(void);
struct lc_aead_impl; struct lc_aead_impl;
int lc_aead_seal(const struct lc_aead_impl *, const uint8_t *, size_t, int lc_aead_seal(const struct lc_aead_impl *, uint8_t *, size_t *,
const uint8_t *, size_t, uint8_t *, size_t *, const uint8_t *, size_t, const uint8_t *, size_t, const uint8_t *, size_t, const uint8_t *,
const uint8_t *, size_t); size_t, const uint8_t *, size_t);
int lc_aead_open(const struct lc_aead_impl *, const uint8_t *, size_t, int lc_aead_open(const struct lc_aead_impl *, uint8_t *, size_t *,
const uint8_t *, size_t, uint8_t *, size_t *, const uint8_t *, size_t, const uint8_t *, size_t, const uint8_t *, size_t, const uint8_t *,
const uint8_t *, size_t); size_t, const uint8_t *, size_t);
const struct lc_aead_impl *lc_aead_impl_chacha20_poly1305(void); const struct lc_aead_impl *lc_aead_impl_chacha20_poly1305(void);
const struct lc_aead_impl *lc_aead_impl_xchacha20_poly1305(void); const struct lc_aead_impl *lc_aead_impl_xchacha20_poly1305(void);
@ -150,3 +153,5 @@ const struct lc_aead_impl *lc_aead_impl_xchacha20_poly1305(void);
int lc_hexdump_fp(FILE *, const void *, size_t); int lc_hexdump_fp(FILE *, const void *, size_t);
void lc_scrub(void *, size_t); void lc_scrub(void *, size_t);
#endif /* LILCRYPTO_H */

15
wycheproof_aead.c
View File

@ -235,7 +235,7 @@ main(int argc, char *argv[])
/* Encryption. */ /* Encryption. */
if (!lc_aead_seal(impl, key, keylenarg, iv, ivlenarg, NULL, &encoutlen, if (!lc_aead_seal(impl, NULL, &encoutlen, key, keylenarg, iv, ivlenarg,
aad, aadlen, msg, msglen)) { aad, aadlen, msg, msglen)) {
puts("invalid"); puts("invalid");
return 1; return 1;
@ -243,8 +243,8 @@ main(int argc, char *argv[])
encout = malloc(encoutlen); encout = malloc(encoutlen);
if (encout == NULL) if (encout == NULL)
err(1, "out of memory"); err(1, "out of memory");
if (!lc_aead_seal(impl, key, keylenarg, iv, ivlenarg, encout, if (!lc_aead_seal(impl, encout, &encoutlen, key, keylenarg, iv,
&encoutlen, aad, aadlen, msg, msglen)) { ivlenarg, aad, aadlen, msg, msglen)) {
puts("invalid"); puts("invalid");
return 1; return 1;
} }
@ -272,7 +272,8 @@ main(int argc, char *argv[])
(size_t)LC_POLY1305_TAGLEN); (size_t)LC_POLY1305_TAGLEN);
lc_hexdump_fp(stderr, tag, taglen); lc_hexdump_fp(stderr, tag, taglen);
fprintf(stderr, "\n"); fprintf(stderr, "\n");
lc_hexdump_fp(stderr, encout + ctlen, LC_POLY1305_TAGLEN); lc_hexdump_fp(stderr, encout + ctlen,
LC_POLY1305_TAGLEN);
fprintf(stderr, "\n"); fprintf(stderr, "\n");
} }
puts("invalid"); puts("invalid");
@ -287,7 +288,7 @@ main(int argc, char *argv[])
memcpy(buf, ct, ctlen); memcpy(buf, ct, ctlen);
memcpy(buf + ctlen, tag, taglen); memcpy(buf + ctlen, tag, taglen);
if (!lc_aead_open(impl, key, keylenarg, iv, ivlenarg, NULL, &decoutlen, if (!lc_aead_open(impl, NULL, &decoutlen, key, keylenarg, iv, ivlenarg,
aad, aadlen, buf, ctlen + taglen)) { aad, aadlen, buf, ctlen + taglen)) {
puts("invalid"); puts("invalid");
return 1; return 1;
@ -295,8 +296,8 @@ main(int argc, char *argv[])
decout = malloc(decoutlen); decout = malloc(decoutlen);
if (encout == NULL) if (encout == NULL)
err(1, "out of memory"); err(1, "out of memory");
if (!lc_aead_open(impl, key, keylenarg, iv, ivlenarg, decout, if (!lc_aead_open(impl, decout, &decoutlen, key, keylenarg, iv,
&decoutlen, aad, aadlen, buf, ctlen + taglen)) { ivlenarg, aad, aadlen, buf, ctlen + taglen)) {
puts("invalid"); puts("invalid");
return 1; return 1;
} }