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Merge pull request #9075 from gojimmypi/pr-small-oids

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Force old OID values: WOLFSSL_OLD_OID_SUM for WC_16BIT_CPU
This commit is contained in:
Daniel Pouzzner
2025-08-08 23:29:09 -05:00
committed by GitHub
parent db7702f66c 256836fe6f
commit 46394f3da3
3 changed files with 14 additions and 0 deletions
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1
.wolfssl_known_macro_extras
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@@ -561,6 +561,7 @@ USE_STSAFE_VERBOSE
USE_TLSV13
USE_WOLF_STRNSTR
USS_API
WC_16BIT_CPU
WC_AESXTS_STREAM_NO_REQUEST_ACCOUNTING
WC_AES_BS_WORD_SIZE
WC_AES_GCM_DEC_AUTH_EARLY

4
wolfssl/wolfcrypt/oid_sum.h
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@@ -26,6 +26,10 @@
#ifndef WOLF_CRYPT_OID_SUM_H
#define WOLF_CRYPT_OID_SUM_H
/* Note for some CPUs smaller than 32 bit, the upper 16 bits of new OID
* values may be ignored. If collisions are encountered, consider WC_16BIT_CPU
* and/or WOLFSSL_OLD_OID_SUM to force smaller, old OID values. */
enum Hash_Sum {
#ifdef WOLFSSL_OLD_OID_SUM
/* 0x2a,0x86,0x48,0x86,0xf7,0x0d,0x02,0x02 */

9
wolfssl/wolfcrypt/settings.h
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@@ -4389,6 +4389,15 @@ extern void uITRON4_free(void *p) ;
#undef XREALLOC
#endif
/* There's currently no 100% reliable "smaller than 32 bit" detection.
* The user can specify: WC_16BIT_CPU
* Lower 16 bits of new OID values may collide on some 16 bit platforms.
* e.g Arduino Mega, fqbn=arduino:avr:mega */
#if defined(WC_16BIT_CPU)
/* Force the old, 16 bit OIDs to be used in wolfcrypt/oid_sum.h */
#undef WOLFSSL_OLD_OID_SUM
#define WOLFSSL_OLD_OID_SUM
#endif
/* ---------------------------------------------------------------------------
* Deprecated Algorithm Handling