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get derLen by RsaPublicKeyDerSize

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This commit is contained in:
Takashi Kojo
2018-05-26 10:55:17 +09:00
parent 22078d6811
commit 3939eadf9c
4 changed files with 93 additions and 9 deletions
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20
src/ssl.c
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@@ -27526,6 +27526,10 @@ WOLFSSL_RSA *wolfSSL_d2i_RSAPublicKey(WOLFSSL_RSA **r, const unsigned char **pp,
WOLFSSL_RSA *rsa = NULL;
WOLFSSL_ENTER("d2i_RSAPublicKey");
if(pp == NULL){
WOLFSSL_MSG("Bad argument");
return NULL;
}
if((rsa = wolfSSL_RSA_new()) == NULL){
WOLFSSL_MSG("RSA_new failed");
return NULL;
@@ -27545,22 +27549,22 @@ WOLFSSL_RSA *wolfSSL_d2i_RSAPublicKey(WOLFSSL_RSA **r, const unsigned char **pp,
int wolfSSL_i2d_RSAPublicKey(WOLFSSL_RSA *rsa, const unsigned char **pp)
{
byte *der;
word32 derLen = 165;
int derLen;
int ret;
WOLFSSL_ENTER("i2d_RSAPublicKey");
if(pp == NULL)
if((rsa == NULL) || (pp == NULL))
return WOLFSSL_FATAL_ERROR;
if((ret = SetRsaInternal(rsa)) != WOLFSSL_SUCCESS) {
WOLFSSL_MSG("SetRsaInternal Failed");
return ret;
}
if((derLen = RsaPublicKeyDerSize((RsaKey *)rsa->internal, 1)) < 0)
return WOLFSSL_FATAL_ERROR;
der = (byte*)XMALLOC(derLen, NULL, DYNAMIC_TYPE_TMP_BUFFER);
if (der == NULL) {
return WOLFSSL_FATAL_ERROR;
}
if((ret = SetRsaInternal(rsa)) != WOLFSSL_SUCCESS) {
WOLFSSL_MSG("SetRsaInternal Failed");
XFREE(der, NULL, DYNAMIC_TYPE_TMP_BUFFER);
return ret;
}
if((ret = wc_RsaKeyToPublicDer((RsaKey *)rsa->internal, der, derLen)) < 0){
WOLFSSL_MSG("RsaKeyToPublicDer failed");
XFREE(der, NULL, DYNAMIC_TYPE_TMP_BUFFER);