#include <openssl/rsa.h>
RSA * RSA_new(void);
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void RSA_free(RSA *rsa);
int RSA_public_encrypt(int flen, unsigned char *from,
unsigned char *to, RSA *rsa, int padding);
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int RSA_private_decrypt(int flen, unsigned char *from,
unsigned char *to, RSA *rsa, int padding);
int RSA_sign(int type, unsigned char *m, unsigned int m_len,
unsigned char *sigret, unsigned int *siglen, RSA *rsa);
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int RSA_verify(int type, unsigned char *m, unsigned int m_len,
unsigned char *sigbuf, unsigned int siglen, RSA *rsa);
int RSA_check_key(RSA *rsa);
int RSA_blinding_on(RSA *rsa, BN_CTX *ctx);
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void RSA_blinding_off(RSA *rsa);
void RSA_set_default_method(RSA_METHOD *meth);
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RSA_METHOD *RSA_get_default_method(void);
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RSA_METHOD *RSA_set_method(RSA *rsa, RSA_METHOD *meth);
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RSA_METHOD *RSA_get_method(RSA *rsa);
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RSA_METHOD *RSA_PKCS1_SSLeay(void);
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RSA_METHOD *RSA_PKCS1_RSAref(void);
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RSA_METHOD *RSA_null_method(void);
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int RSA_flags(RSA *rsa);
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RSA *RSA_new_method(RSA_METHOD *method);
int RSA_print(BIO *bp, RSA *x, int offset);
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int RSA_print_fp(FILE *fp, RSA *x, int offset);
int RSA_get_ex_new_index(long argl, char *argp, int (*new_func)(),
int (*dup_func)(), void (*free_func)());
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int RSA_set_ex_data(RSA *r,int idx,char *arg);
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char *RSA_get_ex_data(RSA *r, int idx);
int RSA_private_encrypt(int flen, unsigned char *from,
unsigned char *to, RSA *rsa,int padding);
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int RSA_public_decrypt(int flen, unsigned char *from,
unsigned char *to, RSA *rsa,int padding);
int RSA_sign_ASN1_OCTET_STRING(int dummy, unsigned char *m,
unsigned int m_len, unsigned char *sigret, unsigned int *siglen,
RSA *rsa);
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int RSA_verify_ASN1_OCTET_STRING(int dummy, unsigned char *m,
unsigned int m_len, unsigned char *sigbuf, unsigned int siglen,
RSA *rsa);
int RSA_padding_add_PKCS1_type_1(unsigned char *to, int tlen,
unsigned char *f, int fl);
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int RSA_padding_check_PKCS1_type_1(unsigned char *to, int tlen,
unsigned char *f, int fl, int rsa_len);
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int RSA_padding_add_PKCS1_type_2(unsigned char *to, int tlen,
unsigned char *f, int fl);
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int RSA_padding_check_PKCS1_type_2(unsigned char *to, int tlen,
unsigned char *f, int fl, int rsa_len);
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int RSA_padding_add_PKCS1_OAEP(unsigned char *to, int tlen,
unsigned char *f, int fl, unsigned char *p, int pl);
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int RSA_padding_check_PKCS1_OAEP(unsigned char *to, int tlen,
unsigned char *f, int fl, int rsa_len, unsigned char *p, int pl);
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int RSA_padding_add_SSLv23(unsigned char *to, int tlen,
unsigned char *f, int fl);
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int RSA_padding_check_SSLv23(unsigned char *to, int tlen,
unsigned char *f, int fl, int rsa_len);
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int RSA_padding_add_none(unsigned char *to, int tlen,
unsigned char *f, int fl);
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int RSA_padding_check_none(unsigned char *to, int tlen,
unsigned char *f, int fl, int rsa_len);
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=head1 DESCRIPTION
These functions implement RSA public key encryption and signatures