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Fix to only set missing RNG if needed. Resolves unit test, which already sets the RNG on the private key and the incoming context is not provided (use local).

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This commit is contained in:
David Garske
2021-02-02 14:16:21 -08:00
parent 04e7fa3657
commit 72a8a1069a
1 changed files with 4 additions and 6 deletions
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10
wolfcrypt/src/ecc.c
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@ -10576,9 +10576,8 @@ int wc_ecc_encrypt(ecc_key* privKey, ecc_key* pubKey, const byte* msg,
return BUFFER_E;
#ifdef ECC_TIMING_RESISTANT
ret = wc_ecc_set_rng(privKey, ctx->rng);
if (ret != 0)
return ret;
if (ctx->rng != NULL && privKey->rng == NULL)
privKey->rng = ctx->rng;
#endif
#ifdef WOLFSSL_SMALL_STACK
@ -10775,9 +10774,8 @@ int wc_ecc_decrypt(ecc_key* privKey, ecc_key* pubKey, const byte* msg,
return BUFFER_E;
#ifdef ECC_TIMING_RESISTANT
ret = wc_ecc_set_rng(privKey, ctx->rng);
if (ret != 0)
return ret;
if (ctx->rng != NULL && privKey->rng == NULL)
privKey->rng = ctx->rng;
#endif
#ifdef WOLFSSL_SMALL_STACK