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EVP_PKEY_derive: set internal DH key if needed

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This commit is contained in:
Chris Conlon
2022-03-04 11:43:20 -07:00
parent f3f0d49fce
commit 939ce713df
1 changed files with 12 additions and 1 deletions
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13
wolfcrypt/src/evp.c
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@@ -1535,7 +1535,18 @@ int wolfSSL_EVP_PKEY_derive(WOLFSSL_EVP_PKEY_CTX *ctx, unsigned char *key, size_
#ifndef NO_DH
case EVP_PKEY_DH:
/* Use DH */
if (!ctx->pkey->dh || !ctx->peerKey->dh || !ctx->peerKey->dh->pub_key) {
if (!ctx->pkey->dh || !ctx->peerKey->dh) {
return WOLFSSL_FAILURE;
}
/* set internal peer key if not done */
if (!ctx->peerKey->dh->inSet) {
if (SetDhInternal(ctx->peerKey->dh) != WOLFSSL_SUCCESS) {
WOLFSSL_MSG("SetDhInternal failed");
return WOLFSSL_FAILURE;
}
}
if (!ctx->peerKey->dh->pub_key) {
WOLFSSL_MSG("SetDhInternal failed, pub_key is NULL");
return WOLFSSL_FAILURE;
}
if ((len = wolfSSL_DH_size(ctx->pkey->dh)) <= 0) {