Function nrfxlib_sys::ocrypto_rsa_pkcs1_v15_decrypt
source · pub unsafe extern "C" fn ocrypto_rsa_pkcs1_v15_decrypt(
m: *mut u8,
m_len: usize,
c: *const u8,
c_len: usize,
key: *const ocrypto_rsa_key,
mem: *mut u32
) -> c_int
Expand description
RSA PKCS1 V1.5 decryption.
The ciphertext * c
- is decrypted to the message returned in * m
- .
m
- The decrypted message. The buffer must be long enough to hold the message.m_len
- Length of *m
- .c
- The ciphertext to decrypt.c_len
- Length of *c
- .key
- A valid RSA secret key.mem
- The working memory. Length OCRYPTO_RSA_MEM_SIZE(bits).
Returns -1 If decryption failed. Returns -2 If the output buffer is too short (m_len < length of message). Returns n If a message of length n was successfully decrypted.
@remark The key * key
- should be initialized with * ocrypto_rsa_init_key
- .
@remark * c
- , * m
- , and * mem
- may be same.