mbedtls/ChangeLog.d/8824.txt
Gilles Peskine 88c2755a30 mbedtls_pk_decrypt/encrypt actually check the padding mode
The sign/verify functions happily use the wrong algorithm, but the
encrypt/decrypt functions error out if the padding mode specifies V21.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
2024-03-11 18:49:54 +01:00

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Bugfix
* Fix mbedtls_pk_sign(), mbedtls_pk_verify(), mbedtls_pk_decrypt() and
mbedtls_pk_encrypt() on non-opaque RSA keys to honor the padding mode in
the RSA context. Before, if MBEDTLS_USE_PSA_CRYPTO was enabled and the
RSA context was configured for PKCS#1 v2.1 (PSS/OAEP), the sign/verify
functions performed a PKCS#1 v1.5 signature instead and the
encrypt/decrypt functions returned an error. Fixes #8824.