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OpenSSL: RSA-OAEP-SHA-256 encryption/decryption

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Add new crypto wrappers for performing RSA-OAEP-SHA-256 encryption and
decryption. These are needed for IMSI privacy.

Signed-off-by: Jouni Malinen <quic_jouni@quicinc.com>
This commit is contained in:
Jouni Malinen 2022-04-30 13:34:00 +03:00 • committed by Jouni Malinen
parent c3d389b72f
commit 36b11bbcff
6 changed files with 158 additions and 1 deletions
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34
src/crypto/crypto.h
View file

@ -1275,6 +1275,40 @@ struct wpabuf * crypto_csr_sign(struct crypto_csr *csr,
struct crypto_ec_key *key,
enum crypto_hash_alg algo);
struct crypto_rsa_key;
/**
* crypto_rsa_key_read - Read an RSA key
* @file: File from which to read (PEM encoded, can be X.509v3 certificate)
* @private_key: Whether to read the private key instead of public key
* Returns: RSA key or %NULL on failure
*/
struct crypto_rsa_key * crypto_rsa_key_read(const char *file, bool private_key);
/**
* crypto_rsa_oaep_sha256_encrypt - RSA-OAEP-SHA-256 encryption
* @key: RSA key from crypto_rsa_key_read()
* @in: Plaintext input data
* Returns: Encrypted output data or %NULL on failure
*/
struct wpabuf * crypto_rsa_oaep_sha256_encrypt(struct crypto_rsa_key *key,
const struct wpabuf *in);
/**
* crypto_rsa_oaep_sha256_decrypt - RSA-OAEP-SHA-256 decryption
* @key: RSA key from crypto_rsa_key_read()
* @in: Encrypted input data
* Returns: Decrypted output data or %NULL on failure
*/
struct wpabuf * crypto_rsa_oaep_sha256_decrypt(struct crypto_rsa_key *key,
const struct wpabuf *in);
/**
* crypto_rsa_key_free - Free an RSA key
* @key: RSA key from crypto_rsa_key_read()
*/
void crypto_rsa_key_free(struct crypto_rsa_key *key);
/**
* crypto_unload - Unload crypto resources
*