PBC Library Manual 0.5.11 - Stanford Crypto Group

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Selects a random bits-bit integer z. 6.2. Custom allocation Chapter 6. Other functions Like GMP, PBC can be instructed to use custom memory allocation functions. This must be done before any memory allocation is performed, usually at the beginning of a program before any other PBC functions have been called. Also like GMP, the PBC wrappers around malloc and realloc will print a message on standard error and terminate program execution if the calls fail. Replacements for these functions should act similarly. However, unlike GMP, PBC does not pass the number of bytes previously allocated along with the pointer in calls to realloc and free. void pbc_set_memory_functions(void *(*malloc_fn)(size_t), void *(*realloc_fn)(void *, size_t), void (*free_fn)(void *)) 6.3. Logging Set custom allocation functions. The parameters must be function pointers to drop-in replacements for malloc, realloc and free, except that malloc and realloc should terminate the program on failure: they must not return in this case. int pbc_set_msg_to_stderr(int i) By default error messages are printed to standard error. Call pbc_set_msg_to_stderr(0) to suppress messages. void pbc_die(const char *err, . . . ) Reports error message and exits with code 128. void pbc_info(const char *err, . . . ) 29
Reports informational message. void pbc_warn(const char *err, . . . ) Reports warning message. void pbc_error(const char *err, . . . ) Reports error message. Chapter 6. Other functions 30
Page 1 and 2: PBC Library Manual 0.5.11 Ben Lynn
Page 3 and 4: Table of Contents Preface .........
Page 5 and 6: Preface The PBC library is a free p
Page 7 and 8: Chapter 1. Installing PBC The first
Page 9 and 10: Chapter 2. Tutorial This chapter wa
Page 11 and 12: 2.2. Import/export Chapter 2. Tutor
Page 13 and 14: Chapter 3. Pairing functions An app
Page 15 and 16: Chapter 3. Pairing functions Get re
Page 17 and 18: Chapter 4. Element functions Elemen
Page 19 and 20: void element_set0(element_t e) Set
Page 21 and 22: Chapter 4. Element functions z must
Page 23 and 24: Chapter 4. Element functions void e
Page 25 and 26: size_t element_out_str(FILE * strea
Page 27 and 28: int element_length_in_bytes_x_only(
Page 29 and 30: Chapter 5. Param functions Pairings
Page 31 and 32: Chapter 5. Param functions Generate
Page 33: Chapter 6. Other functions Random n
Page 37 and 38: nd(G) init_pairing_A(); Other sampl
Page 39 and 40: Chapter 8. PBC internals The source
Page 41 and 42: Additionally, defining PBC_DEBUG ca
Page 43 and 44: The lack of an x term simplifies so
Page 45 and 46: Chapter 8. PBC internals b: E: y^2=
Page 47 and 48: Returns the pointer at index i in t
Page 49 and 50: Chapter 8. PBC internals I would li
Page 51: Appendix A. Contributors Ben Lynn w

PBC Library Manual 0.5.11 - Stanford Crypto Group

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