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aria/camellia/des: guard setkey_dec by CIPHER_ENCRYPT_ONLY

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This is a pre-step to remove *setkey_dec_func in cipher_wrap ctx
when CIPHER_ENCRYPT_ONLY is enabled.

Signed-off-by: Yanray Wang <yanray.wang@arm.com>
This commit is contained in:
Yanray Wang 2023-08-24 14:53:16 +08:00
parent a8ac23a758
commit 9141ad1223
6 changed files with 54 additions and 1 deletions
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2
include/mbedtls/aria.h
View File

@ -110,6 +110,7 @@ int mbedtls_aria_setkey_enc(mbedtls_aria_context *ctx,
const unsigned char *key,
unsigned int keybits);
#if !defined(MBEDTLS_CIPHER_ENCRYPT_ONLY)
/**
* \brief This function sets the decryption key.
*
@ -128,6 +129,7 @@ int mbedtls_aria_setkey_enc(mbedtls_aria_context *ctx,
int mbedtls_aria_setkey_dec(mbedtls_aria_context *ctx,
const unsigned char *key,
unsigned int keybits);
#endif /* !MBEDTLS_CIPHER_ENCRYPT_ONLY */
/**
* \brief This function performs an ARIA single-block encryption or

2
include/mbedtls/camellia.h
View File

@ -93,6 +93,7 @@ int mbedtls_camellia_setkey_enc(mbedtls_camellia_context *ctx,
const unsigned char *key,
unsigned int keybits);
#if !defined(MBEDTLS_CIPHER_ENCRYPT_ONLY)
/**
* \brief Perform a CAMELLIA key schedule operation for decryption.
*
@ -108,6 +109,7 @@ int mbedtls_camellia_setkey_enc(mbedtls_camellia_context *ctx,
int mbedtls_camellia_setkey_dec(mbedtls_camellia_context *ctx,
const unsigned char *key,
unsigned int keybits);
#endif /* !MBEDTLS_CIPHER_ENCRYPT_ONLY */
/**
* \brief Perform a CAMELLIA-ECB block encryption/decryption operation.

6
include/mbedtls/des.h
View File

@ -182,6 +182,7 @@ int mbedtls_des_key_check_weak(const unsigned char key[MBEDTLS_DES_KEY_SIZE]);
MBEDTLS_CHECK_RETURN_TYPICAL
int mbedtls_des_setkey_enc(mbedtls_des_context *ctx, const unsigned char key[MBEDTLS_DES_KEY_SIZE]);
#if !defined(MBEDTLS_CIPHER_ENCRYPT_ONLY)
/**
* \brief DES key schedule (56-bit, decryption)
*
@ -196,6 +197,7 @@ int mbedtls_des_setkey_enc(mbedtls_des_context *ctx, const unsigned char key[MBE
*/
MBEDTLS_CHECK_RETURN_TYPICAL
int mbedtls_des_setkey_dec(mbedtls_des_context *ctx, const unsigned char key[MBEDTLS_DES_KEY_SIZE]);
#endif /* !MBEDTLS_CIPHER_ENCRYPT_ONLY */
/**
* \brief Triple-DES key schedule (112-bit, encryption)
@ -213,6 +215,7 @@ MBEDTLS_CHECK_RETURN_TYPICAL
int mbedtls_des3_set2key_enc(mbedtls_des3_context *ctx,
const unsigned char key[MBEDTLS_DES_KEY_SIZE * 2]);
#if !defined(MBEDTLS_CIPHER_ENCRYPT_ONLY)
/**
* \brief Triple-DES key schedule (112-bit, decryption)
*
@ -228,6 +231,7 @@ int mbedtls_des3_set2key_enc(mbedtls_des3_context *ctx,
MBEDTLS_CHECK_RETURN_TYPICAL
int mbedtls_des3_set2key_dec(mbedtls_des3_context *ctx,
const unsigned char key[MBEDTLS_DES_KEY_SIZE * 2]);
#endif /* !MBEDTLS_CIPHER_ENCRYPT_ONLY */
/**
* \brief Triple-DES key schedule (168-bit, encryption)
@ -245,6 +249,7 @@ MBEDTLS_CHECK_RETURN_TYPICAL
int mbedtls_des3_set3key_enc(mbedtls_des3_context *ctx,
const unsigned char key[MBEDTLS_DES_KEY_SIZE * 3]);
#if !defined(MBEDTLS_CIPHER_ENCRYPT_ONLY)
/**
* \brief Triple-DES key schedule (168-bit, decryption)
*
@ -260,6 +265,7 @@ int mbedtls_des3_set3key_enc(mbedtls_des3_context *ctx,
MBEDTLS_CHECK_RETURN_TYPICAL
int mbedtls_des3_set3key_dec(mbedtls_des3_context *ctx,
const unsigned char key[MBEDTLS_DES_KEY_SIZE * 3]);
#endif /* !MBEDTLS_CIPHER_ENCRYPT_ONLY */
/**
* \brief DES-ECB block encryption/decryption

8
library/aria.c
View File

@ -425,6 +425,7 @@ int mbedtls_aria_setkey_enc(mbedtls_aria_context *ctx,
/*
* Set decryption key
*/
#if !defined(MBEDTLS_CIPHER_ENCRYPT_ONLY)
int mbedtls_aria_setkey_dec(mbedtls_aria_context *ctx,
const unsigned char *key, unsigned int keybits)
{
@ -454,6 +455,7 @@ int mbedtls_aria_setkey_dec(mbedtls_aria_context *ctx,
return 0;
}
#endif /* !MBEDTLS_CIPHER_ENCRYPT_ONLY */
/*
* Encrypt a block
@ -884,12 +886,18 @@ int mbedtls_aria_self_test(int verbose)
/* test ECB decryption */
if (verbose) {
mbedtls_printf(" ARIA-ECB-%d (dec): ", 128 + 64 * i);
#if defined(MBEDTLS_CIPHER_ENCRYPT_ONLY)
mbedtls_printf("skipped\n");
#endif
}
#if !defined(MBEDTLS_CIPHER_ENCRYPT_ONLY)
mbedtls_aria_setkey_dec(&ctx, aria_test1_ecb_key, 128 + 64 * i);
mbedtls_aria_crypt_ecb(&ctx, aria_test1_ecb_ct[i], blk);
ARIA_SELF_TEST_ASSERT(
memcmp(blk, aria_test1_ecb_pt, MBEDTLS_ARIA_BLOCKSIZE)
!= 0);
#endif
}
if (verbose) {
mbedtls_printf("\n");

16
library/camellia.c
View File

@ -411,6 +411,7 @@ int mbedtls_camellia_setkey_enc(mbedtls_camellia_context *ctx,
/*
* Camellia key schedule (decryption)
*/
#if !defined(MBEDTLS_CIPHER_ENCRYPT_ONLY)
int mbedtls_camellia_setkey_dec(mbedtls_camellia_context *ctx,
const unsigned char *key,
unsigned int keybits)
@ -456,6 +457,7 @@ exit:
return ret;
}
#endif /* !MBEDTLS_CIPHER_ENCRYPT_ONLY */
/*
* Camellia-ECB block encryption/decryption
@ -900,14 +902,26 @@ int mbedtls_camellia_self_test(int verbose)
(v == MBEDTLS_CAMELLIA_DECRYPT) ? "dec" : "enc");
}
#if defined(MBEDTLS_CIPHER_ENCRYPT_ONLY)
if (v == MBEDTLS_CAMELLIA_DECRYPT) {
if (verbose != 0) {
mbedtls_printf("skipped\n");
}
continue;
}
#endif
for (i = 0; i < CAMELLIA_TESTS_ECB; i++) {
memcpy(key, camellia_test_ecb_key[u][i], 16 + 8 * u);
#if !defined(MBEDTLS_CIPHER_ENCRYPT_ONLY)
if (v == MBEDTLS_CAMELLIA_DECRYPT) {
mbedtls_camellia_setkey_dec(&ctx, key, 128 + u * 64);
memcpy(src, camellia_test_ecb_cipher[u][i], 16);
memcpy(dst, camellia_test_ecb_plain[i], 16);
} else { /* MBEDTLS_CAMELLIA_ENCRYPT */
} else
#endif
{ /* MBEDTLS_CAMELLIA_ENCRYPT */
mbedtls_camellia_setkey_enc(&ctx, key, 128 + u * 64);
memcpy(src, camellia_test_ecb_plain[i], 16);
memcpy(dst, camellia_test_ecb_cipher[u][i], 16);

21
library/des.c
View File

@ -483,6 +483,7 @@ int mbedtls_des_setkey_enc(mbedtls_des_context *ctx, const unsigned char key[MBE
/*
* DES key schedule (56-bit, decryption)
*/
#if !defined(MBEDTLS_CIPHER_ENCRYPT_ONLY)
int mbedtls_des_setkey_dec(mbedtls_des_context *ctx, const unsigned char key[MBEDTLS_DES_KEY_SIZE])
{
int i;
@ -496,6 +497,7 @@ int mbedtls_des_setkey_dec(mbedtls_des_context *ctx, const unsigned char key[MBE
return 0;
}
#endif
static void des3_set2key(uint32_t esk[96],
uint32_t dsk[96],
@ -538,6 +540,7 @@ int mbedtls_des3_set2key_enc(mbedtls_des3_context *ctx,
/*
* Triple-DES key schedule (112-bit, decryption)
*/
#if !defined(MBEDTLS_CIPHER_ENCRYPT_ONLY)
int mbedtls_des3_set2key_dec(mbedtls_des3_context *ctx,
const unsigned char key[MBEDTLS_DES_KEY_SIZE * 2])
{
@ -548,6 +551,7 @@ int mbedtls_des3_set2key_dec(mbedtls_des3_context *ctx,
return 0;
}
#endif
static void des3_set3key(uint32_t esk[96],
uint32_t dsk[96],
@ -588,6 +592,7 @@ int mbedtls_des3_set3key_enc(mbedtls_des3_context *ctx,
/*
* Triple-DES key schedule (168-bit, decryption)
*/
#if !defined(MBEDTLS_CIPHER_ENCRYPT_ONLY)
int mbedtls_des3_set3key_dec(mbedtls_des3_context *ctx,
const unsigned char key[MBEDTLS_DES_KEY_SIZE * 3])
{
@ -598,6 +603,7 @@ int mbedtls_des3_set3key_dec(mbedtls_des3_context *ctx,
return 0;
}
#endif
/*
* DES-ECB block encryption/decryption
@ -869,28 +875,43 @@ int mbedtls_des_self_test(int verbose)
(v == MBEDTLS_DES_DECRYPT) ? "dec" : "enc");
}
#if defined(MBEDTLS_CIPHER_ENCRYPT_ONLY)
if (v == MBEDTLS_DES_DECRYPT) {
if (verbose != 0) {
mbedtls_printf("skipped\n");
}
continue;
}
#endif
memcpy(buf, des3_test_buf, 8);
switch (i) {
#if !defined(MBEDTLS_CIPHER_ENCRYPT_ONLY)
case 0:
ret = mbedtls_des_setkey_dec(&ctx, des3_test_keys);
break;
#endif
case 1:
ret = mbedtls_des_setkey_enc(&ctx, des3_test_keys);
break;
#if !defined(MBEDTLS_CIPHER_ENCRYPT_ONLY)
case 2:
ret = mbedtls_des3_set2key_dec(&ctx3, des3_test_keys);
break;
#endif
case 3:
ret = mbedtls_des3_set2key_enc(&ctx3, des3_test_keys);
break;
#if !defined(MBEDTLS_CIPHER_ENCRYPT_ONLY)
case 4:
ret = mbedtls_des3_set3key_dec(&ctx3, des3_test_keys);
break;
#endif
case 5:
ret = mbedtls_des3_set3key_enc(&ctx3, des3_test_keys);