[gnutls-devel] GnuTLS | gnutls_pubkey_encrypt_data throws encryption error when passing an input with same size as the key. (#1402)

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Daiki Ueno commented:


I would say the behavior is expected, while it might be under documented. RSA encryption exposed from GnuTLS is RSAES-PKCS1-v1_5, which requires that the maximum plaintext length is key length minus 11 bytes (see the step 1 at https://www.rfc-editor.org/rfc/rfc8017#section-7.2.1).

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