ocrypto_rsa_pss_sha256_decode()

int ocrypto_rsa_pss_sha256_decode	(	uint8_t *	em,
		size_t	em_len,
		const uint8_t *	m,
		size_t	m_len,
		size_t	salt_len )

#include <crypto/nrf_oberon/include/ocrypto_rsa_padding.h>

RSA PSS SHA-256 signature decoding.

Parameters

em	The encoded message.
em_len	Length of em.
m	The signed message.
m_len	Length of m.
salt_len	The length of the salt.

Return values

0	If the encoding is valid.
-1	If decoding failed.
-2	If the salt is too long (salt_len > em_len - 34).