jpayne@69: /*
jpayne@69:  * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved.
jpayne@69:  *
jpayne@69:  * Licensed under the OpenSSL license (the "License").  You may not use
jpayne@69:  * this file except in compliance with the License.  You can obtain a copy
jpayne@69:  * in the file LICENSE in the source distribution or at
jpayne@69:  * https://www.openssl.org/source/license.html
jpayne@69:  */
jpayne@69: 
jpayne@69: #ifndef HEADER_RSA_H
jpayne@69: # define HEADER_RSA_H
jpayne@69: 
jpayne@69: # include <openssl/opensslconf.h>
jpayne@69: 
jpayne@69: # ifndef OPENSSL_NO_RSA
jpayne@69: # include <openssl/asn1.h>
jpayne@69: # include <openssl/bio.h>
jpayne@69: # include <openssl/crypto.h>
jpayne@69: # include <openssl/ossl_typ.h>
jpayne@69: # if OPENSSL_API_COMPAT < 0x10100000L
jpayne@69: #  include <openssl/bn.h>
jpayne@69: # endif
jpayne@69: # include <openssl/rsaerr.h>
jpayne@69: # ifdef  __cplusplus
jpayne@69: extern "C" {
jpayne@69: # endif
jpayne@69: 
jpayne@69: /* The types RSA and RSA_METHOD are defined in ossl_typ.h */
jpayne@69: 
jpayne@69: # ifndef OPENSSL_RSA_MAX_MODULUS_BITS
jpayne@69: #  define OPENSSL_RSA_MAX_MODULUS_BITS   16384
jpayne@69: # endif
jpayne@69: 
jpayne@69: # define OPENSSL_RSA_FIPS_MIN_MODULUS_BITS 1024
jpayne@69: 
jpayne@69: # ifndef OPENSSL_RSA_SMALL_MODULUS_BITS
jpayne@69: #  define OPENSSL_RSA_SMALL_MODULUS_BITS 3072
jpayne@69: # endif
jpayne@69: # ifndef OPENSSL_RSA_MAX_PUBEXP_BITS
jpayne@69: 
jpayne@69: /* exponent limit enforced for "large" modulus only */
jpayne@69: #  define OPENSSL_RSA_MAX_PUBEXP_BITS    64
jpayne@69: # endif
jpayne@69: 
jpayne@69: # define RSA_3   0x3L
jpayne@69: # define RSA_F4  0x10001L
jpayne@69: 
jpayne@69: /* based on RFC 8017 appendix A.1.2 */
jpayne@69: # define RSA_ASN1_VERSION_DEFAULT        0
jpayne@69: # define RSA_ASN1_VERSION_MULTI          1
jpayne@69: 
jpayne@69: # define RSA_DEFAULT_PRIME_NUM           2
jpayne@69: 
jpayne@69: # define RSA_METHOD_FLAG_NO_CHECK        0x0001/* don't check pub/private
jpayne@69:                                                 * match */
jpayne@69: 
jpayne@69: # define RSA_FLAG_CACHE_PUBLIC           0x0002
jpayne@69: # define RSA_FLAG_CACHE_PRIVATE          0x0004
jpayne@69: # define RSA_FLAG_BLINDING               0x0008
jpayne@69: # define RSA_FLAG_THREAD_SAFE            0x0010
jpayne@69: /*
jpayne@69:  * This flag means the private key operations will be handled by rsa_mod_exp
jpayne@69:  * and that they do not depend on the private key components being present:
jpayne@69:  * for example a key stored in external hardware. Without this flag
jpayne@69:  * bn_mod_exp gets called when private key components are absent.
jpayne@69:  */
jpayne@69: # define RSA_FLAG_EXT_PKEY               0x0020
jpayne@69: 
jpayne@69: /*
jpayne@69:  * new with 0.9.6j and 0.9.7b; the built-in
jpayne@69:  * RSA implementation now uses blinding by
jpayne@69:  * default (ignoring RSA_FLAG_BLINDING),
jpayne@69:  * but other engines might not need it
jpayne@69:  */
jpayne@69: # define RSA_FLAG_NO_BLINDING            0x0080
jpayne@69: # if OPENSSL_API_COMPAT < 0x10100000L
jpayne@69: /*
jpayne@69:  * Does nothing. Previously this switched off constant time behaviour.
jpayne@69:  */
jpayne@69: #  define RSA_FLAG_NO_CONSTTIME           0x0000
jpayne@69: # endif
jpayne@69: # if OPENSSL_API_COMPAT < 0x00908000L
jpayne@69: /* deprecated name for the flag*/
jpayne@69: /*
jpayne@69:  * new with 0.9.7h; the built-in RSA
jpayne@69:  * implementation now uses constant time
jpayne@69:  * modular exponentiation for secret exponents
jpayne@69:  * by default. This flag causes the
jpayne@69:  * faster variable sliding window method to
jpayne@69:  * be used for all exponents.
jpayne@69:  */
jpayne@69: #  define RSA_FLAG_NO_EXP_CONSTTIME RSA_FLAG_NO_CONSTTIME
jpayne@69: # endif
jpayne@69: 
jpayne@69: # define EVP_PKEY_CTX_set_rsa_padding(ctx, pad) \
jpayne@69:         RSA_pkey_ctx_ctrl(ctx, -1, EVP_PKEY_CTRL_RSA_PADDING, pad, NULL)
jpayne@69: 
jpayne@69: # define EVP_PKEY_CTX_get_rsa_padding(ctx, ppad) \
jpayne@69:         RSA_pkey_ctx_ctrl(ctx, -1, EVP_PKEY_CTRL_GET_RSA_PADDING, 0, ppad)
jpayne@69: 
jpayne@69: # define EVP_PKEY_CTX_set_rsa_pss_saltlen(ctx, len) \
jpayne@69:         RSA_pkey_ctx_ctrl(ctx, (EVP_PKEY_OP_SIGN|EVP_PKEY_OP_VERIFY), \
jpayne@69:                           EVP_PKEY_CTRL_RSA_PSS_SALTLEN, len, NULL)
jpayne@69: /* Salt length matches digest */
jpayne@69: # define RSA_PSS_SALTLEN_DIGEST -1
jpayne@69: /* Verify only: auto detect salt length */
jpayne@69: # define RSA_PSS_SALTLEN_AUTO   -2
jpayne@69: /* Set salt length to maximum possible */
jpayne@69: # define RSA_PSS_SALTLEN_MAX    -3
jpayne@69: /* Old compatible max salt length for sign only */
jpayne@69: # define RSA_PSS_SALTLEN_MAX_SIGN    -2
jpayne@69: 
jpayne@69: # define EVP_PKEY_CTX_set_rsa_pss_keygen_saltlen(ctx, len) \
jpayne@69:         EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA_PSS, EVP_PKEY_OP_KEYGEN, \
jpayne@69:                           EVP_PKEY_CTRL_RSA_PSS_SALTLEN, len, NULL)
jpayne@69: 
jpayne@69: # define EVP_PKEY_CTX_get_rsa_pss_saltlen(ctx, plen) \
jpayne@69:         RSA_pkey_ctx_ctrl(ctx, (EVP_PKEY_OP_SIGN|EVP_PKEY_OP_VERIFY), \
jpayne@69:                           EVP_PKEY_CTRL_GET_RSA_PSS_SALTLEN, 0, plen)
jpayne@69: 
jpayne@69: # define EVP_PKEY_CTX_set_rsa_keygen_bits(ctx, bits) \
jpayne@69:         RSA_pkey_ctx_ctrl(ctx, EVP_PKEY_OP_KEYGEN, \
jpayne@69:                           EVP_PKEY_CTRL_RSA_KEYGEN_BITS, bits, NULL)
jpayne@69: 
jpayne@69: # define EVP_PKEY_CTX_set_rsa_keygen_pubexp(ctx, pubexp) \
jpayne@69:         RSA_pkey_ctx_ctrl(ctx, EVP_PKEY_OP_KEYGEN, \
jpayne@69:                           EVP_PKEY_CTRL_RSA_KEYGEN_PUBEXP, 0, pubexp)
jpayne@69: 
jpayne@69: # define EVP_PKEY_CTX_set_rsa_keygen_primes(ctx, primes) \
jpayne@69:         RSA_pkey_ctx_ctrl(ctx, EVP_PKEY_OP_KEYGEN, \
jpayne@69:                           EVP_PKEY_CTRL_RSA_KEYGEN_PRIMES, primes, NULL)
jpayne@69: 
jpayne@69: # define  EVP_PKEY_CTX_set_rsa_mgf1_md(ctx, md) \
jpayne@69:         RSA_pkey_ctx_ctrl(ctx, EVP_PKEY_OP_TYPE_SIG | EVP_PKEY_OP_TYPE_CRYPT, \
jpayne@69:                           EVP_PKEY_CTRL_RSA_MGF1_MD, 0, (void *)(md))
jpayne@69: 
jpayne@69: # define  EVP_PKEY_CTX_set_rsa_pss_keygen_mgf1_md(ctx, md) \
jpayne@69:         EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA_PSS, EVP_PKEY_OP_KEYGEN, \
jpayne@69:                           EVP_PKEY_CTRL_RSA_MGF1_MD, 0, (void *)(md))
jpayne@69: 
jpayne@69: # define  EVP_PKEY_CTX_set_rsa_oaep_md(ctx, md) \
jpayne@69:         EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, EVP_PKEY_OP_TYPE_CRYPT,  \
jpayne@69:                           EVP_PKEY_CTRL_RSA_OAEP_MD, 0, (void *)(md))
jpayne@69: 
jpayne@69: # define  EVP_PKEY_CTX_get_rsa_mgf1_md(ctx, pmd) \
jpayne@69:         RSA_pkey_ctx_ctrl(ctx, EVP_PKEY_OP_TYPE_SIG | EVP_PKEY_OP_TYPE_CRYPT, \
jpayne@69:                           EVP_PKEY_CTRL_GET_RSA_MGF1_MD, 0, (void *)(pmd))
jpayne@69: 
jpayne@69: # define  EVP_PKEY_CTX_get_rsa_oaep_md(ctx, pmd) \
jpayne@69:         EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, EVP_PKEY_OP_TYPE_CRYPT,  \
jpayne@69:                           EVP_PKEY_CTRL_GET_RSA_OAEP_MD, 0, (void *)(pmd))
jpayne@69: 
jpayne@69: # define  EVP_PKEY_CTX_set0_rsa_oaep_label(ctx, l, llen) \
jpayne@69:         EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, EVP_PKEY_OP_TYPE_CRYPT,  \
jpayne@69:                           EVP_PKEY_CTRL_RSA_OAEP_LABEL, llen, (void *)(l))
jpayne@69: 
jpayne@69: # define  EVP_PKEY_CTX_get0_rsa_oaep_label(ctx, l) \
jpayne@69:         EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, EVP_PKEY_OP_TYPE_CRYPT,  \
jpayne@69:                           EVP_PKEY_CTRL_GET_RSA_OAEP_LABEL, 0, (void *)(l))
jpayne@69: 
jpayne@69: # define  EVP_PKEY_CTX_set_rsa_pss_keygen_md(ctx, md) \
jpayne@69:         EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA_PSS,  \
jpayne@69:                           EVP_PKEY_OP_KEYGEN, EVP_PKEY_CTRL_MD,  \
jpayne@69:                           0, (void *)(md))
jpayne@69: 
jpayne@69: # define EVP_PKEY_CTRL_RSA_PADDING       (EVP_PKEY_ALG_CTRL + 1)
jpayne@69: # define EVP_PKEY_CTRL_RSA_PSS_SALTLEN   (EVP_PKEY_ALG_CTRL + 2)
jpayne@69: 
jpayne@69: # define EVP_PKEY_CTRL_RSA_KEYGEN_BITS   (EVP_PKEY_ALG_CTRL + 3)
jpayne@69: # define EVP_PKEY_CTRL_RSA_KEYGEN_PUBEXP (EVP_PKEY_ALG_CTRL + 4)
jpayne@69: # define EVP_PKEY_CTRL_RSA_MGF1_MD       (EVP_PKEY_ALG_CTRL + 5)
jpayne@69: 
jpayne@69: # define EVP_PKEY_CTRL_GET_RSA_PADDING           (EVP_PKEY_ALG_CTRL + 6)
jpayne@69: # define EVP_PKEY_CTRL_GET_RSA_PSS_SALTLEN       (EVP_PKEY_ALG_CTRL + 7)
jpayne@69: # define EVP_PKEY_CTRL_GET_RSA_MGF1_MD           (EVP_PKEY_ALG_CTRL + 8)
jpayne@69: 
jpayne@69: # define EVP_PKEY_CTRL_RSA_OAEP_MD       (EVP_PKEY_ALG_CTRL + 9)
jpayne@69: # define EVP_PKEY_CTRL_RSA_OAEP_LABEL    (EVP_PKEY_ALG_CTRL + 10)
jpayne@69: 
jpayne@69: # define EVP_PKEY_CTRL_GET_RSA_OAEP_MD   (EVP_PKEY_ALG_CTRL + 11)
jpayne@69: # define EVP_PKEY_CTRL_GET_RSA_OAEP_LABEL (EVP_PKEY_ALG_CTRL + 12)
jpayne@69: 
jpayne@69: # define EVP_PKEY_CTRL_RSA_KEYGEN_PRIMES  (EVP_PKEY_ALG_CTRL + 13)
jpayne@69: 
jpayne@69: # define RSA_PKCS1_PADDING       1
jpayne@69: # define RSA_SSLV23_PADDING      2
jpayne@69: # define RSA_NO_PADDING          3
jpayne@69: # define RSA_PKCS1_OAEP_PADDING  4
jpayne@69: # define RSA_X931_PADDING        5
jpayne@69: /* EVP_PKEY_ only */
jpayne@69: # define RSA_PKCS1_PSS_PADDING   6
jpayne@69: 
jpayne@69: # define RSA_PKCS1_PADDING_SIZE  11
jpayne@69: 
jpayne@69: # define RSA_set_app_data(s,arg)         RSA_set_ex_data(s,0,arg)
jpayne@69: # define RSA_get_app_data(s)             RSA_get_ex_data(s,0)
jpayne@69: 
jpayne@69: RSA *RSA_new(void);
jpayne@69: RSA *RSA_new_method(ENGINE *engine);
jpayne@69: int RSA_bits(const RSA *rsa);
jpayne@69: int RSA_size(const RSA *rsa);
jpayne@69: int RSA_security_bits(const RSA *rsa);
jpayne@69: 
jpayne@69: int RSA_set0_key(RSA *r, BIGNUM *n, BIGNUM *e, BIGNUM *d);
jpayne@69: int RSA_set0_factors(RSA *r, BIGNUM *p, BIGNUM *q);
jpayne@69: int RSA_set0_crt_params(RSA *r,BIGNUM *dmp1, BIGNUM *dmq1, BIGNUM *iqmp);
jpayne@69: int RSA_set0_multi_prime_params(RSA *r, BIGNUM *primes[], BIGNUM *exps[],
jpayne@69:                                 BIGNUM *coeffs[], int pnum);
jpayne@69: void RSA_get0_key(const RSA *r,
jpayne@69:                   const BIGNUM **n, const BIGNUM **e, const BIGNUM **d);
jpayne@69: void RSA_get0_factors(const RSA *r, const BIGNUM **p, const BIGNUM **q);
jpayne@69: int RSA_get_multi_prime_extra_count(const RSA *r);
jpayne@69: int RSA_get0_multi_prime_factors(const RSA *r, const BIGNUM *primes[]);
jpayne@69: void RSA_get0_crt_params(const RSA *r,
jpayne@69:                          const BIGNUM **dmp1, const BIGNUM **dmq1,
jpayne@69:                          const BIGNUM **iqmp);
jpayne@69: int RSA_get0_multi_prime_crt_params(const RSA *r, const BIGNUM *exps[],
jpayne@69:                                     const BIGNUM *coeffs[]);
jpayne@69: const BIGNUM *RSA_get0_n(const RSA *d);
jpayne@69: const BIGNUM *RSA_get0_e(const RSA *d);
jpayne@69: const BIGNUM *RSA_get0_d(const RSA *d);
jpayne@69: const BIGNUM *RSA_get0_p(const RSA *d);
jpayne@69: const BIGNUM *RSA_get0_q(const RSA *d);
jpayne@69: const BIGNUM *RSA_get0_dmp1(const RSA *r);
jpayne@69: const BIGNUM *RSA_get0_dmq1(const RSA *r);
jpayne@69: const BIGNUM *RSA_get0_iqmp(const RSA *r);
jpayne@69: const RSA_PSS_PARAMS *RSA_get0_pss_params(const RSA *r);
jpayne@69: void RSA_clear_flags(RSA *r, int flags);
jpayne@69: int RSA_test_flags(const RSA *r, int flags);
jpayne@69: void RSA_set_flags(RSA *r, int flags);
jpayne@69: int RSA_get_version(RSA *r);
jpayne@69: ENGINE *RSA_get0_engine(const RSA *r);
jpayne@69: 
jpayne@69: /* Deprecated version */
jpayne@69: DEPRECATEDIN_0_9_8(RSA *RSA_generate_key(int bits, unsigned long e, void
jpayne@69:                                          (*callback) (int, int, void *),
jpayne@69:                                          void *cb_arg))
jpayne@69: 
jpayne@69: /* New version */
jpayne@69: int RSA_generate_key_ex(RSA *rsa, int bits, BIGNUM *e, BN_GENCB *cb);
jpayne@69: /* Multi-prime version */
jpayne@69: int RSA_generate_multi_prime_key(RSA *rsa, int bits, int primes,
jpayne@69:                                  BIGNUM *e, BN_GENCB *cb);
jpayne@69: 
jpayne@69: int RSA_X931_derive_ex(RSA *rsa, BIGNUM *p1, BIGNUM *p2, BIGNUM *q1,
jpayne@69:                        BIGNUM *q2, const BIGNUM *Xp1, const BIGNUM *Xp2,
jpayne@69:                        const BIGNUM *Xp, const BIGNUM *Xq1, const BIGNUM *Xq2,
jpayne@69:                        const BIGNUM *Xq, const BIGNUM *e, BN_GENCB *cb);
jpayne@69: int RSA_X931_generate_key_ex(RSA *rsa, int bits, const BIGNUM *e,
jpayne@69:                              BN_GENCB *cb);
jpayne@69: 
jpayne@69: int RSA_check_key(const RSA *);
jpayne@69: int RSA_check_key_ex(const RSA *, BN_GENCB *cb);
jpayne@69:         /* next 4 return -1 on error */
jpayne@69: int RSA_public_encrypt(int flen, const unsigned char *from,
jpayne@69:                        unsigned char *to, RSA *rsa, int padding);
jpayne@69: int RSA_private_encrypt(int flen, const unsigned char *from,
jpayne@69:                         unsigned char *to, RSA *rsa, int padding);
jpayne@69: int RSA_public_decrypt(int flen, const unsigned char *from,
jpayne@69:                        unsigned char *to, RSA *rsa, int padding);
jpayne@69: int RSA_private_decrypt(int flen, const unsigned char *from,
jpayne@69:                         unsigned char *to, RSA *rsa, int padding);
jpayne@69: void RSA_free(RSA *r);
jpayne@69: /* "up" the RSA object's reference count */
jpayne@69: int RSA_up_ref(RSA *r);
jpayne@69: 
jpayne@69: int RSA_flags(const RSA *r);
jpayne@69: 
jpayne@69: void RSA_set_default_method(const RSA_METHOD *meth);
jpayne@69: const RSA_METHOD *RSA_get_default_method(void);
jpayne@69: const RSA_METHOD *RSA_null_method(void);
jpayne@69: const RSA_METHOD *RSA_get_method(const RSA *rsa);
jpayne@69: int RSA_set_method(RSA *rsa, const RSA_METHOD *meth);
jpayne@69: 
jpayne@69: /* these are the actual RSA functions */
jpayne@69: const RSA_METHOD *RSA_PKCS1_OpenSSL(void);
jpayne@69: 
jpayne@69: int RSA_pkey_ctx_ctrl(EVP_PKEY_CTX *ctx, int optype, int cmd, int p1, void *p2);
jpayne@69: 
jpayne@69: DECLARE_ASN1_ENCODE_FUNCTIONS_const(RSA, RSAPublicKey)
jpayne@69: DECLARE_ASN1_ENCODE_FUNCTIONS_const(RSA, RSAPrivateKey)
jpayne@69: 
jpayne@69: struct rsa_pss_params_st {
jpayne@69:     X509_ALGOR *hashAlgorithm;
jpayne@69:     X509_ALGOR *maskGenAlgorithm;
jpayne@69:     ASN1_INTEGER *saltLength;
jpayne@69:     ASN1_INTEGER *trailerField;
jpayne@69:     /* Decoded hash algorithm from maskGenAlgorithm */
jpayne@69:     X509_ALGOR *maskHash;
jpayne@69: };
jpayne@69: 
jpayne@69: DECLARE_ASN1_FUNCTIONS(RSA_PSS_PARAMS)
jpayne@69: 
jpayne@69: typedef struct rsa_oaep_params_st {
jpayne@69:     X509_ALGOR *hashFunc;
jpayne@69:     X509_ALGOR *maskGenFunc;
jpayne@69:     X509_ALGOR *pSourceFunc;
jpayne@69:     /* Decoded hash algorithm from maskGenFunc */
jpayne@69:     X509_ALGOR *maskHash;
jpayne@69: } RSA_OAEP_PARAMS;
jpayne@69: 
jpayne@69: DECLARE_ASN1_FUNCTIONS(RSA_OAEP_PARAMS)
jpayne@69: 
jpayne@69: # ifndef OPENSSL_NO_STDIO
jpayne@69: int RSA_print_fp(FILE *fp, const RSA *r, int offset);
jpayne@69: # endif
jpayne@69: 
jpayne@69: int RSA_print(BIO *bp, const RSA *r, int offset);
jpayne@69: 
jpayne@69: /*
jpayne@69:  * The following 2 functions sign and verify a X509_SIG ASN1 object inside
jpayne@69:  * PKCS#1 padded RSA encryption
jpayne@69:  */
jpayne@69: int RSA_sign(int type, const unsigned char *m, unsigned int m_length,
jpayne@69:              unsigned char *sigret, unsigned int *siglen, RSA *rsa);
jpayne@69: int RSA_verify(int type, const unsigned char *m, unsigned int m_length,
jpayne@69:                const unsigned char *sigbuf, unsigned int siglen, RSA *rsa);
jpayne@69: 
jpayne@69: /*
jpayne@69:  * The following 2 function sign and verify a ASN1_OCTET_STRING object inside
jpayne@69:  * PKCS#1 padded RSA encryption
jpayne@69:  */
jpayne@69: int RSA_sign_ASN1_OCTET_STRING(int type,
jpayne@69:                                const unsigned char *m, unsigned int m_length,
jpayne@69:                                unsigned char *sigret, unsigned int *siglen,
jpayne@69:                                RSA *rsa);
jpayne@69: int RSA_verify_ASN1_OCTET_STRING(int type, const unsigned char *m,
jpayne@69:                                  unsigned int m_length, unsigned char *sigbuf,
jpayne@69:                                  unsigned int siglen, RSA *rsa);
jpayne@69: 
jpayne@69: int RSA_blinding_on(RSA *rsa, BN_CTX *ctx);
jpayne@69: void RSA_blinding_off(RSA *rsa);
jpayne@69: BN_BLINDING *RSA_setup_blinding(RSA *rsa, BN_CTX *ctx);
jpayne@69: 
jpayne@69: int RSA_padding_add_PKCS1_type_1(unsigned char *to, int tlen,
jpayne@69:                                  const unsigned char *f, int fl);
jpayne@69: int RSA_padding_check_PKCS1_type_1(unsigned char *to, int tlen,
jpayne@69:                                    const unsigned char *f, int fl,
jpayne@69:                                    int rsa_len);
jpayne@69: int RSA_padding_add_PKCS1_type_2(unsigned char *to, int tlen,
jpayne@69:                                  const unsigned char *f, int fl);
jpayne@69: int RSA_padding_check_PKCS1_type_2(unsigned char *to, int tlen,
jpayne@69:                                    const unsigned char *f, int fl,
jpayne@69:                                    int rsa_len);
jpayne@69: int PKCS1_MGF1(unsigned char *mask, long len, const unsigned char *seed,
jpayne@69:                long seedlen, const EVP_MD *dgst);
jpayne@69: int RSA_padding_add_PKCS1_OAEP(unsigned char *to, int tlen,
jpayne@69:                                const unsigned char *f, int fl,
jpayne@69:                                const unsigned char *p, int pl);
jpayne@69: int RSA_padding_check_PKCS1_OAEP(unsigned char *to, int tlen,
jpayne@69:                                  const unsigned char *f, int fl, int rsa_len,
jpayne@69:                                  const unsigned char *p, int pl);
jpayne@69: int RSA_padding_add_PKCS1_OAEP_mgf1(unsigned char *to, int tlen,
jpayne@69:                                     const unsigned char *from, int flen,
jpayne@69:                                     const unsigned char *param, int plen,
jpayne@69:                                     const EVP_MD *md, const EVP_MD *mgf1md);
jpayne@69: int RSA_padding_check_PKCS1_OAEP_mgf1(unsigned char *to, int tlen,
jpayne@69:                                       const unsigned char *from, int flen,
jpayne@69:                                       int num, const unsigned char *param,
jpayne@69:                                       int plen, const EVP_MD *md,
jpayne@69:                                       const EVP_MD *mgf1md);
jpayne@69: int RSA_padding_add_SSLv23(unsigned char *to, int tlen,
jpayne@69:                            const unsigned char *f, int fl);
jpayne@69: int RSA_padding_check_SSLv23(unsigned char *to, int tlen,
jpayne@69:                              const unsigned char *f, int fl, int rsa_len);
jpayne@69: int RSA_padding_add_none(unsigned char *to, int tlen, const unsigned char *f,
jpayne@69:                          int fl);
jpayne@69: int RSA_padding_check_none(unsigned char *to, int tlen,
jpayne@69:                            const unsigned char *f, int fl, int rsa_len);
jpayne@69: int RSA_padding_add_X931(unsigned char *to, int tlen, const unsigned char *f,
jpayne@69:                          int fl);
jpayne@69: int RSA_padding_check_X931(unsigned char *to, int tlen,
jpayne@69:                            const unsigned char *f, int fl, int rsa_len);
jpayne@69: int RSA_X931_hash_id(int nid);
jpayne@69: 
jpayne@69: int RSA_verify_PKCS1_PSS(RSA *rsa, const unsigned char *mHash,
jpayne@69:                          const EVP_MD *Hash, const unsigned char *EM,
jpayne@69:                          int sLen);
jpayne@69: int RSA_padding_add_PKCS1_PSS(RSA *rsa, unsigned char *EM,
jpayne@69:                               const unsigned char *mHash, const EVP_MD *Hash,
jpayne@69:                               int sLen);
jpayne@69: 
jpayne@69: int RSA_verify_PKCS1_PSS_mgf1(RSA *rsa, const unsigned char *mHash,
jpayne@69:                               const EVP_MD *Hash, const EVP_MD *mgf1Hash,
jpayne@69:                               const unsigned char *EM, int sLen);
jpayne@69: 
jpayne@69: int RSA_padding_add_PKCS1_PSS_mgf1(RSA *rsa, unsigned char *EM,
jpayne@69:                                    const unsigned char *mHash,
jpayne@69:                                    const EVP_MD *Hash, const EVP_MD *mgf1Hash,
jpayne@69:                                    int sLen);
jpayne@69: 
jpayne@69: #define RSA_get_ex_new_index(l, p, newf, dupf, freef) \
jpayne@69:     CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_RSA, l, p, newf, dupf, freef)
jpayne@69: int RSA_set_ex_data(RSA *r, int idx, void *arg);
jpayne@69: void *RSA_get_ex_data(const RSA *r, int idx);
jpayne@69: 
jpayne@69: RSA *RSAPublicKey_dup(RSA *rsa);
jpayne@69: RSA *RSAPrivateKey_dup(RSA *rsa);
jpayne@69: 
jpayne@69: /*
jpayne@69:  * If this flag is set the RSA method is FIPS compliant and can be used in
jpayne@69:  * FIPS mode. This is set in the validated module method. If an application
jpayne@69:  * sets this flag in its own methods it is its responsibility to ensure the
jpayne@69:  * result is compliant.
jpayne@69:  */
jpayne@69: 
jpayne@69: # define RSA_FLAG_FIPS_METHOD                    0x0400
jpayne@69: 
jpayne@69: /*
jpayne@69:  * If this flag is set the operations normally disabled in FIPS mode are
jpayne@69:  * permitted it is then the applications responsibility to ensure that the
jpayne@69:  * usage is compliant.
jpayne@69:  */
jpayne@69: 
jpayne@69: # define RSA_FLAG_NON_FIPS_ALLOW                 0x0400
jpayne@69: /*
jpayne@69:  * Application has decided PRNG is good enough to generate a key: don't
jpayne@69:  * check.
jpayne@69:  */
jpayne@69: # define RSA_FLAG_CHECKED                        0x0800
jpayne@69: 
jpayne@69: RSA_METHOD *RSA_meth_new(const char *name, int flags);
jpayne@69: void RSA_meth_free(RSA_METHOD *meth);
jpayne@69: RSA_METHOD *RSA_meth_dup(const RSA_METHOD *meth);
jpayne@69: const char *RSA_meth_get0_name(const RSA_METHOD *meth);
jpayne@69: int RSA_meth_set1_name(RSA_METHOD *meth, const char *name);
jpayne@69: int RSA_meth_get_flags(const RSA_METHOD *meth);
jpayne@69: int RSA_meth_set_flags(RSA_METHOD *meth, int flags);
jpayne@69: void *RSA_meth_get0_app_data(const RSA_METHOD *meth);
jpayne@69: int RSA_meth_set0_app_data(RSA_METHOD *meth, void *app_data);
jpayne@69: int (*RSA_meth_get_pub_enc(const RSA_METHOD *meth))
jpayne@69:     (int flen, const unsigned char *from,
jpayne@69:      unsigned char *to, RSA *rsa, int padding);
jpayne@69: int RSA_meth_set_pub_enc(RSA_METHOD *rsa,
jpayne@69:                          int (*pub_enc) (int flen, const unsigned char *from,
jpayne@69:                                          unsigned char *to, RSA *rsa,
jpayne@69:                                          int padding));
jpayne@69: int (*RSA_meth_get_pub_dec(const RSA_METHOD *meth))
jpayne@69:     (int flen, const unsigned char *from,
jpayne@69:      unsigned char *to, RSA *rsa, int padding);
jpayne@69: int RSA_meth_set_pub_dec(RSA_METHOD *rsa,
jpayne@69:                          int (*pub_dec) (int flen, const unsigned char *from,
jpayne@69:                                          unsigned char *to, RSA *rsa,
jpayne@69:                                          int padding));
jpayne@69: int (*RSA_meth_get_priv_enc(const RSA_METHOD *meth))
jpayne@69:     (int flen, const unsigned char *from,
jpayne@69:      unsigned char *to, RSA *rsa, int padding);
jpayne@69: int RSA_meth_set_priv_enc(RSA_METHOD *rsa,
jpayne@69:                           int (*priv_enc) (int flen, const unsigned char *from,
jpayne@69:                                            unsigned char *to, RSA *rsa,
jpayne@69:                                            int padding));
jpayne@69: int (*RSA_meth_get_priv_dec(const RSA_METHOD *meth))
jpayne@69:     (int flen, const unsigned char *from,
jpayne@69:      unsigned char *to, RSA *rsa, int padding);
jpayne@69: int RSA_meth_set_priv_dec(RSA_METHOD *rsa,
jpayne@69:                           int (*priv_dec) (int flen, const unsigned char *from,
jpayne@69:                                            unsigned char *to, RSA *rsa,
jpayne@69:                                            int padding));
jpayne@69: int (*RSA_meth_get_mod_exp(const RSA_METHOD *meth))
jpayne@69:     (BIGNUM *r0, const BIGNUM *i, RSA *rsa, BN_CTX *ctx);
jpayne@69: int RSA_meth_set_mod_exp(RSA_METHOD *rsa,
jpayne@69:                          int (*mod_exp) (BIGNUM *r0, const BIGNUM *i, RSA *rsa,
jpayne@69:                                          BN_CTX *ctx));
jpayne@69: int (*RSA_meth_get_bn_mod_exp(const RSA_METHOD *meth))
jpayne@69:     (BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
jpayne@69:      const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx);
jpayne@69: int RSA_meth_set_bn_mod_exp(RSA_METHOD *rsa,
jpayne@69:                             int (*bn_mod_exp) (BIGNUM *r,
jpayne@69:                                                const BIGNUM *a,
jpayne@69:                                                const BIGNUM *p,
jpayne@69:                                                const BIGNUM *m,
jpayne@69:                                                BN_CTX *ctx,
jpayne@69:                                                BN_MONT_CTX *m_ctx));
jpayne@69: int (*RSA_meth_get_init(const RSA_METHOD *meth)) (RSA *rsa);
jpayne@69: int RSA_meth_set_init(RSA_METHOD *rsa, int (*init) (RSA *rsa));
jpayne@69: int (*RSA_meth_get_finish(const RSA_METHOD *meth)) (RSA *rsa);
jpayne@69: int RSA_meth_set_finish(RSA_METHOD *rsa, int (*finish) (RSA *rsa));
jpayne@69: int (*RSA_meth_get_sign(const RSA_METHOD *meth))
jpayne@69:     (int type,
jpayne@69:      const unsigned char *m, unsigned int m_length,
jpayne@69:      unsigned char *sigret, unsigned int *siglen,
jpayne@69:      const RSA *rsa);
jpayne@69: int RSA_meth_set_sign(RSA_METHOD *rsa,
jpayne@69:                       int (*sign) (int type, const unsigned char *m,
jpayne@69:                                    unsigned int m_length,
jpayne@69:                                    unsigned char *sigret, unsigned int *siglen,
jpayne@69:                                    const RSA *rsa));
jpayne@69: int (*RSA_meth_get_verify(const RSA_METHOD *meth))
jpayne@69:     (int dtype, const unsigned char *m,
jpayne@69:      unsigned int m_length, const unsigned char *sigbuf,
jpayne@69:      unsigned int siglen, const RSA *rsa);
jpayne@69: int RSA_meth_set_verify(RSA_METHOD *rsa,
jpayne@69:                         int (*verify) (int dtype, const unsigned char *m,
jpayne@69:                                        unsigned int m_length,
jpayne@69:                                        const unsigned char *sigbuf,
jpayne@69:                                        unsigned int siglen, const RSA *rsa));
jpayne@69: int (*RSA_meth_get_keygen(const RSA_METHOD *meth))
jpayne@69:     (RSA *rsa, int bits, BIGNUM *e, BN_GENCB *cb);
jpayne@69: int RSA_meth_set_keygen(RSA_METHOD *rsa,
jpayne@69:                         int (*keygen) (RSA *rsa, int bits, BIGNUM *e,
jpayne@69:                                        BN_GENCB *cb));
jpayne@69: int (*RSA_meth_get_multi_prime_keygen(const RSA_METHOD *meth))
jpayne@69:     (RSA *rsa, int bits, int primes, BIGNUM *e, BN_GENCB *cb);
jpayne@69: int RSA_meth_set_multi_prime_keygen(RSA_METHOD *meth,
jpayne@69:                                     int (*keygen) (RSA *rsa, int bits,
jpayne@69:                                                    int primes, BIGNUM *e,
jpayne@69:                                                    BN_GENCB *cb));
jpayne@69: 
jpayne@69: #  ifdef  __cplusplus
jpayne@69: }
jpayne@69: #  endif
jpayne@69: # endif
jpayne@69: #endif