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wolfSSH size optimizations. Disable RSA OAEP, enable SHA-1 with DH. Do not need SHA2-384/512.

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This commit is contained in:
David Garske
2024-05-31 12:16:06 -07:00
parent cfbadc8b07
commit b4910c4615
1 changed files with 12 additions and 5 deletions
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17
examples/configs/user_settings_wolfssh.h
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@ -88,16 +88,22 @@ extern "C" {
#define WC_RSA_BLINDING
/* Asymmetric */
#if 1 /* RSA */
#if 1 /* RSA - PKCS1v1.5 */
#undef NO_RSA
#define WC_NO_RSA_OAEP /* SSH does not use OAEP */
#ifdef USE_LOW_RESOURCE
#define RSA_LOW_MEM
/* currently CalcRsaInverses uses RsaKey members so cannot enable */
/* #define RSA_LOW_MEM */
#endif
#else
#define NO_RSA
#endif
#if 1 /* DH */
/* RFC 4253 requires "DH w/SHA-1"
* RFC 9142 requires "diffie-hellman-group14-sha256"
*/
#undef NO_DH
#ifndef WOLFCRYPT_ONLY
#define HAVE_DH_DEFAULT_PARAMS
@ -128,12 +134,14 @@ extern "C" {
#define WOLFSSL_AES_SMALL_TABLES
#endif
/* Hashing SHA2-256/384/512 */
/* Hashing SHA-1/SHA2-256 */
#undef NO_SHA
#undef NO_SHA256
#ifdef USE_LOW_RESOURCE
#define USE_SLOW_SHA
#define USE_SLOW_SHA256
#endif
#if 1
#if 0
#define WOLFSSL_SHA384
#define WOLFSSL_SHA512
#ifdef USE_LOW_RESOURCE
@ -181,7 +189,6 @@ extern "C" {
#endif
/* Disable Algorithms */
#define NO_SHA
#define NO_DSA
#define NO_DES3
#define NO_MD4