pigweed / third_party / boringssl / boringssl / 4732c544f76958ea75af2e5a05b9d77a2341128a / . / decrepit / rsa / rsa_decrepit.c

/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) | |

* All rights reserved. | |

* | |

* This package is an SSL implementation written | |

* by Eric Young (eay@cryptsoft.com). | |

* The implementation was written so as to conform with Netscapes SSL. | |

* | |

* This library is free for commercial and non-commercial use as long as | |

* the following conditions are aheared to. The following conditions | |

* apply to all code found in this distribution, be it the RC4, RSA, | |

* lhash, DES, etc., code; not just the SSL code. The SSL documentation | |

* included with this distribution is covered by the same copyright terms | |

* except that the holder is Tim Hudson (tjh@cryptsoft.com). | |

* | |

* Copyright remains Eric Young's, and as such any Copyright notices in | |

* the code are not to be removed. | |

* If this package is used in a product, Eric Young should be given attribution | |

* as the author of the parts of the library used. | |

* This can be in the form of a textual message at program startup or | |

* in documentation (online or textual) provided with the package. | |

* | |

* Redistribution and use in source and binary forms, with or without | |

* modification, are permitted provided that the following conditions | |

* are met: | |

* 1. Redistributions of source code must retain the copyright | |

* notice, this list of conditions and the following disclaimer. | |

* 2. Redistributions in binary form must reproduce the above copyright | |

* notice, this list of conditions and the following disclaimer in the | |

* documentation and/or other materials provided with the distribution. | |

* 3. All advertising materials mentioning features or use of this software | |

* must display the following acknowledgement: | |

* "This product includes cryptographic software written by | |

* Eric Young (eay@cryptsoft.com)" | |

* The word 'cryptographic' can be left out if the rouines from the library | |

* being used are not cryptographic related :-). | |

* 4. If you include any Windows specific code (or a derivative thereof) from | |

* the apps directory (application code) you must include an acknowledgement: | |

* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" | |

* | |

* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND | |

* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |

* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |

* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE | |

* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |

* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |

* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |

* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |

* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |

* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |

* SUCH DAMAGE. | |

* | |

* The licence and distribution terms for any publically available version or | |

* derivative of this code cannot be changed. i.e. this code cannot simply be | |

* copied and put under another distribution licence | |

* [including the GNU Public Licence.] */ | |

#include <openssl/rsa.h> | |

#include <assert.h> | |

#include <openssl/bn.h> | |

RSA *RSA_generate_key(int bits, unsigned long e_value, void *callback, | |

void *cb_arg) { | |

assert(callback == NULL); | |

assert(cb_arg == NULL); | |

RSA *rsa = RSA_new(); | |

BIGNUM *e = BN_new(); | |

if (rsa == NULL || | |

e == NULL || | |

!BN_set_word(e, e_value) || | |

!RSA_generate_key_ex(rsa, bits, e, NULL)) { | |

goto err; | |

} | |

BN_free(e); | |

return rsa; | |

err: | |

BN_free(e); | |

RSA_free(rsa); | |

return NULL; | |

} | |

int RSA_padding_add_PKCS1_PSS(RSA *rsa, uint8_t *EM, const uint8_t *mHash, | |

const EVP_MD *Hash, int sLen) { | |

return RSA_padding_add_PKCS1_PSS_mgf1(rsa, EM, mHash, Hash, NULL, sLen); | |

} | |

int RSA_verify_PKCS1_PSS(RSA *rsa, const uint8_t *mHash, const EVP_MD *Hash, | |

const uint8_t *EM, int sLen) { | |

return RSA_verify_PKCS1_PSS_mgf1(rsa, mHash, Hash, NULL, EM, sLen); | |

} | |

int RSA_padding_add_PKCS1_OAEP(uint8_t *to, size_t to_len, | |

const uint8_t *from, size_t from_len, | |

const uint8_t *param, size_t param_len) { | |

return RSA_padding_add_PKCS1_OAEP_mgf1(to, to_len, from, from_len, param, | |

param_len, NULL, NULL); | |

} |