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wolfSSL / wolfssl

The wolfSSL library is a small, fast, portable implementation of TLS/SSL for embedded devices to the cloud. wolfSSL supports up to TLS 1.3 and DTLS 1.3!

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[Bug]: wc_Curve448PublicKeyToDer returns error when output is NULL

EugenCazacu opened this issue · comments

commented

Contact Details

No response

Version

5.6.6

Description

Configuration: all configurations including HAVE_CURVE448 and --enable-curve448

wc_Curve448PublicKeyToDer behaves differently from wc_Curve448PrivateKeyToDer when output is NULL. wc_Curve448PrivateKeyToDer returns the size needed by the output and wc_Curve448PublicKeyToDer returns BAD_FUNC_ARG. I would expect both functions to behave similarly and ideally return the needed buffer size on a call with output == NULL

Suggested fix: output should not be checked for NULL in the implementation (similar with wc_Curve448PrivateKeyToDer)

Reproduction steps

call wc_Curve448PublicKeyToDer with output == NULL

Relevant log output

No response

commented

Hi @EugenCazacu, thank you for the report. Please find a fix at #7519.

Juliusz