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Comments for SP800-38E TODO, wolfEntropy optional setup and remove forced errors api.c

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kaleb-himes
2024-03-22 17:06:57 -04:00
parent 8092104396
commit 2e63ae750d
3 changed files with 29 additions and 3 deletions
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3
tests/api.c
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@ -79,19 +79,16 @@
/* ecc key sizes: 14, 16, 20, 24, 28, 30, 32, 40, 48, 64 */
/* logic to choose right key ECC size */
#if (defined(HAVE_ECC112) || defined(HAVE_ALL_CURVES)) && ECC_MIN_KEY_SZ <= 112
#error "NO"
#define KEY14 14
#else
#define KEY14 32
#endif
#if (defined(HAVE_ECC128) || defined(HAVE_ALL_CURVES)) && ECC_MIN_KEY_SZ <= 128
#error "NO2"
#define KEY16 16
#else
#define KEY16 32
#endif
#if (defined(HAVE_ECC160) || defined(HAVE_ALL_CURVES)) && ECC_MIN_KEY_SZ <= 160
#error "NO3"
#define KEY20 20
#else
#define KEY20 32

16
wolfcrypt/src/aes.c
View File

@ -12702,6 +12702,14 @@ int wc_AesXtsEncrypt(XtsAes* xaes, byte* out, const byte* in, word32 sz,
aes = &xaes->aes;
/* FIPS TODO: SP800-38E - Restrict data unit to 2^20 blocks per key. A block is
* AES_BLOCK_SIZE or 16-bytes (128-bits). So each key may only be used to
* protect up to 1,048,576 blocks of AES_BLOCK_SIZE (16,777,216 bytes or
* 134,217,728-bits) Add helpful printout and message along with BAD_FUNC_ARG
* return whenever sz / AES_BLOCK_SIZE > 1,048,576 or equal to that and sz is
* not a sequence of complete blocks.
*/
if (aes->keylen == 0) {
WOLFSSL_MSG("wc_AesXtsEncrypt called with unset encryption key.");
return BAD_FUNC_ARG;
@ -12930,6 +12938,14 @@ int wc_AesXtsDecrypt(XtsAes* xaes, byte* out, const byte* in, word32 sz,
aes = &xaes->aes;
#endif
/* FIPS TODO: SP800-38E - Restrict data unit to 2^20 blocks per key. A block is
* AES_BLOCK_SIZE or 16-bytes (128-bits). So each key may only be used to
* protect up to 1,048,576 blocks of AES_BLOCK_SIZE (16,777,216 bytes or
* 134,217,728-bits) Add helpful printout and message along with BAD_FUNC_ARG
* return whenever sz / AES_BLOCK_SIZE > 1,048,576 or equal to that and sz is
* not a sequence of complete blocks.
*/
if (aes->keylen == 0) {
WOLFSSL_MSG("wc_AesXtsDecrypt called with unset decryption key.");
return BAD_FUNC_ARG;

13
wolfssl/wolfcrypt/settings.h
View File

@ -3486,6 +3486,19 @@ extern void uITRON4_free(void *p) ;
#endif
#endif
/* if configure.ac turned on, HAVE_ENTROPY_MEMUSE will be set */
#ifdef HAVE_ENTROPY_MEMUSE
#ifndef HAVE_WOLFENTROPY
#define HAVE_WOLFENTROPY
#endif
#elif defined(HAVE_WOLFENTROPY)
/* else if user_settings.h only defined HAVE_WOLFENTROPY
* also define HAVE_ENTROPY_MEMUSE */
#ifndef HAVE_ENTROPY_MEMUSE
#define HAVE_ENTROPY_MEMUSE
#endif
#endif /* HAVE_ENTROPY_MEMUSE */
#ifdef __cplusplus
} /* extern "C" */
#endif