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Deprecate the low level RC5 functions

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Use of the low level RC5 functions has been informally discouraged for a long
time.  We now formally deprecate them.

Applications should instead use the EVP APIs, e.g. EVP_EncryptInit_ex,
EVP_EncryptUpdate, EVP_EncryptFinal_ex and the equivalently named decrypt
functions.

Reviewed-by: Tomas Mraz <tmraz@fedoraproject.org>
(Merged from https://github.com/openssl/openssl/pull/10834)
This commit is contained in:
Pauli 2020-01-14 10:33:03 +10:00
parent 26aae51347
commit 62c3fed0cd
14 changed files with 111 additions and 38 deletions
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53
include/openssl/rc5.h
View file

@ -23,43 +23,50 @@
extern "C" {
# endif
# define RC5_ENCRYPT 1
# define RC5_DECRYPT 0
# define RC5_32_INT unsigned int
# define RC5_32_BLOCK 8
# define RC5_32_KEY_LENGTH 16/* This is a default, max is 255 */
# ifndef OPENSSL_NO_DEPRECATED_3_0
# define RC5_ENCRYPT 1
# define RC5_DECRYPT 0
# define RC5_32_INT unsigned int
/*
* This are the only values supported. Tweak the code if you want more The
* most supported modes will be RC5-32/12/16 RC5-32/16/8
*/
# define RC5_8_ROUNDS 8
# define RC5_12_ROUNDS 12
# define RC5_16_ROUNDS 16
# define RC5_8_ROUNDS 8
# define RC5_12_ROUNDS 12
# define RC5_16_ROUNDS 16
typedef struct rc5_key_st {
/* Number of rounds */
int rounds;
RC5_32_INT data[2 * (RC5_16_ROUNDS + 1)];
} RC5_32_KEY;
# endif
int RC5_32_set_key(RC5_32_KEY *key, int len, const unsigned char *data,
int rounds);
void RC5_32_ecb_encrypt(const unsigned char *in, unsigned char *out,
RC5_32_KEY *key, int enc);
void RC5_32_encrypt(unsigned long *data, RC5_32_KEY *key);
void RC5_32_decrypt(unsigned long *data, RC5_32_KEY *key);
void RC5_32_cbc_encrypt(const unsigned char *in, unsigned char *out,
long length, RC5_32_KEY *ks, unsigned char *iv,
int enc);
void RC5_32_cfb64_encrypt(const unsigned char *in, unsigned char *out,
long length, RC5_32_KEY *schedule,
unsigned char *ivec, int *num, int enc);
void RC5_32_ofb64_encrypt(const unsigned char *in, unsigned char *out,
long length, RC5_32_KEY *schedule,
unsigned char *ivec, int *num);
DEPRECATEDIN_3_0(int RC5_32_set_key(RC5_32_KEY *key, int len,
const unsigned char *data, int rounds))
DEPRECATEDIN_3_0(void RC5_32_ecb_encrypt(const unsigned char *in,
unsigned char *out, RC5_32_KEY *key,
int enc))
DEPRECATEDIN_3_0(void RC5_32_encrypt(unsigned long *data, RC5_32_KEY *key))
DEPRECATEDIN_3_0(void RC5_32_decrypt(unsigned long *data, RC5_32_KEY *key))
DEPRECATEDIN_3_0(void RC5_32_cbc_encrypt(const unsigned char *in,
unsigned char *out, long length,
RC5_32_KEY *ks, unsigned char *iv,
int enc))
DEPRECATEDIN_3_0(void RC5_32_cfb64_encrypt(const unsigned char *in,
unsigned char *out, long length,
RC5_32_KEY *schedule,
unsigned char *ivec, int *num,
int enc))
DEPRECATEDIN_3_0(void RC5_32_ofb64_encrypt(const unsigned char *in,
unsigned char *out, long length,
RC5_32_KEY *schedule,
unsigned char *ivec, int *num))
# ifdef __cplusplus
}