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Deprecated BIO_f_base64 from boringssl #61

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This commit is contained in:
Arun M 2020-06-13 12:39:28 +05:30
parent 42fcc915e4
commit 4752d47592
2 changed files with 15 additions and 32 deletions
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37
include/jwt/impl/algorithm.ipp
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@ -33,19 +33,6 @@ verify_result_t HMACSign<Hasher>::verify(
{
std::error_code ec{};
BIO_uptr b64{BIO_new(BIO_f_base64()), bio_deletor};
if (!b64) {
throw MemoryAllocationException("BIO_new failed");
}
BIO* bmem = BIO_new(BIO_s_mem());
if (!bmem) {
throw MemoryAllocationException("BIO_new failed");
}
BIO_push(b64.get(), bmem);
BIO_set_flags(b64.get(), BIO_FLAGS_BASE64_NO_NL);
unsigned char enc_buf[EVP_MAX_MD_SIZE];
uint32_t enc_buf_len = 0;
@ -60,27 +47,23 @@ verify_result_t HMACSign<Hasher>::verify(
ec = AlgorithmErrc::VerificationErr;
return {false, ec};
}
BIO_write(b64.get(), enc_buf, enc_buf_len);
(void)BIO_flush(b64.get());
int len = BIO_pending(bmem);
if (len < 0) {
if (enc_buf_len == 0) {
ec = AlgorithmErrc::VerificationErr;
return {false, ec};
}
std::string cbuf;
cbuf.resize(len + 1);
std::string b64_enc_str = jwt::base64_encode((const char*)&enc_buf[0], enc_buf_len);
len = BIO_read(bmem, &cbuf[0], len);
cbuf.resize(len);
if (!b64_enc_str.length()) {
ec = AlgorithmErrc::VerificationErr;
return {false, ec};
}
//Make the base64 string url safe
auto new_len = jwt::base64_uri_encode(&cbuf[0], cbuf.length());
cbuf.resize(new_len);
// Make the base64 string url safe
auto new_len = jwt::base64_uri_encode(&b64_enc_str[0], b64_enc_str.length());
b64_enc_str.resize(new_len);
bool ret = (jwt::string_view{cbuf} == jwt_sign);
bool ret = (jwt::string_view{b64_enc_str} == jwt_sign);
return { ret, ec };
}