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Relax crypto_auth_hmacsha{256,512}_init to accept NULL pointers

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This commit is contained in:
Frank Denis
2026-03-15 13:06:59 +01:00
parent 51d4fb7637
commit fc98842884
4 changed files with 12 additions and 2 deletions
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src/libsodium/crypto_auth/hmacsha256/auth_hmacsha256.c
+5
View File
@@ -3,6 +3,7 @@
#include <stdint.h>
#include <string.h>
#include "core.h"
#include "crypto_auth_hmacsha256.h"
#include "crypto_hash_sha256.h"
#include "crypto_verify_32.h"
@@ -47,6 +48,10 @@ crypto_auth_hmacsha256_init(crypto_auth_hmacsha256_state *state,
crypto_hash_sha256_final(&state->ictx, khash);
key = khash;
keylen = 32;
} else if (key == NULL) {
if (keylen > 0) {
sodium_misuse();
}
}
crypto_hash_sha256_init(&state->ictx);
memset(pad, 0x36, 64);
src/libsodium/crypto_auth/hmacsha512/auth_hmacsha512.c
+5
View File
@@ -3,6 +3,7 @@
#include <stdint.h>
#include <string.h>
#include "core.h"
#include "crypto_auth_hmacsha512.h"
#include "crypto_hash_sha512.h"
#include "crypto_verify_64.h"
@@ -47,6 +48,10 @@ crypto_auth_hmacsha512_init(crypto_auth_hmacsha512_state *state,
crypto_hash_sha512_final(&state->ictx, khash);
key = khash;
keylen = 64;
} else if (key == NULL) {
if (keylen > 0) {
sodium_misuse();
}
}
crypto_hash_sha512_init(&state->ictx);
memset(pad, 0x36, 128);
src/libsodium/include/sodium/crypto_auth_hmacsha256.h
+1 -1
View File
@@ -46,7 +46,7 @@ size_t crypto_auth_hmacsha256_statebytes(void);
SODIUM_EXPORT
int crypto_auth_hmacsha256_init(crypto_auth_hmacsha256_state *state,
const unsigned char *key,
size_t keylen) __attribute__ ((nonnull));
size_t keylen) __attribute__ ((nonnull(1)));
SODIUM_EXPORT
int crypto_auth_hmacsha256_update(crypto_auth_hmacsha256_state *state,
src/libsodium/include/sodium/crypto_auth_hmacsha512.h
+1 -1
View File
@@ -46,7 +46,7 @@ size_t crypto_auth_hmacsha512_statebytes(void);
SODIUM_EXPORT
int crypto_auth_hmacsha512_init(crypto_auth_hmacsha512_state *state,
const unsigned char *key,
size_t keylen) __attribute__ ((nonnull));
size_t keylen) __attribute__ ((nonnull(1)));
SODIUM_EXPORT
int crypto_auth_hmacsha512_update(crypto_auth_hmacsha512_state *state,