diff options
Diffstat (limited to 'third_party/srtp/crypto/include/datatypes.h')
| -rw-r--r-- | third_party/srtp/crypto/include/datatypes.h | 95 |
1 files changed, 92 insertions, 3 deletions
diff --git a/third_party/srtp/crypto/include/datatypes.h b/third_party/srtp/crypto/include/datatypes.h index 4f86b556..b18435f0 100644 --- a/third_party/srtp/crypto/include/datatypes.h +++ b/third_party/srtp/crypto/include/datatypes.h @@ -92,6 +92,12 @@ typedef union { uint64_t v64[2]; } v128_t; +typedef union { + uint8_t v8[32]; + uint16_t v16[16]; + uint32_t v32[8]; + uint64_t v64[4]; +} v256_t; /* some useful and simple math functions */ @@ -155,10 +161,10 @@ void v128_copy_octet_string(v128_t *x, const uint8_t s[16]); void -v128_left_shift(v128_t *x, int index); +v128_left_shift(v128_t *x, int shift_index); void -v128_right_shift(v128_t *x, int index); +v128_right_shift(v128_t *x, int shift_index); /* * the following macros define the data manipulation functions @@ -377,7 +383,7 @@ void octet_string_set_to_zero(uint8_t *s, int len); -#ifndef SRTP_KERNEL_LINUX +#if !defined(SRTP_KERNEL_LINUX) && defined(HAVE_CONFIG_H) /* * Convert big endian integers to CPU byte order. @@ -424,4 +430,87 @@ static inline uint64_t be64_to_cpu(uint64_t v) { #endif /* WORDS_BIGENDIAN */ +/* + * functions manipulating bitvector_t + * + * A bitvector_t consists of an array of words and an integer + * representing the number of significant bits stored in the array. + * The bits are packed as follows: the least significant bit is that + * of word[0], while the most significant bit is the nth most + * significant bit of word[m], where length = bits_per_word * m + n. + * + */ + +#define bits_per_word 32 +#define bytes_per_word 4 + +typedef struct { + uint32_t length; + uint32_t *word; +} bitvector_t; + + +#define _bitvector_get_bit(v, bit_index) \ +( \ + ((((v)->word[((bit_index) >> 5)]) >> ((bit_index) & 31)) & 1) \ +) + + +#define _bitvector_set_bit(v, bit_index) \ +( \ + (((v)->word[((bit_index) >> 5)] |= ((uint32_t)1 << ((bit_index) & 31)))) \ +) + +#define _bitvector_clear_bit(v, bit_index) \ +( \ + (((v)->word[((bit_index) >> 5)] &= ~((uint32_t)1 << ((bit_index) & 31)))) \ +) + +#define _bitvector_get_length(v) \ +( \ + ((v)->length) \ +) + +#ifdef DATATYPES_USE_MACROS /* little functions are really macros */ + +#define bitvector_get_bit(v, bit_index) _bitvector_get_bit(v, bit_index) +#define bitvector_set_bit(v, bit_index) _bitvector_set_bit(v, bit_index) +#define bitvector_clear_bit(v, bit_index) _bitvector_clear_bit(v, bit_index) +#define bitvector_get_length(v) _bitvector_get_length(v) + +#else + +int +bitvector_get_bit(const bitvector_t *v, int bit_index); + +void +bitvector_set_bit(bitvector_t *v, int bit_index); + +void +bitvector_clear_bit(bitvector_t *v, int bit_index); + +unsigned long +bitvector_get_length(const bitvector_t *v); + +#endif + +int +bitvector_alloc(bitvector_t *v, unsigned long length); + +void +bitvector_dealloc(bitvector_t *v); + +void +bitvector_set_to_zero(bitvector_t *x); + +void +bitvector_left_shift(bitvector_t *x, int index); + +char * +bitvector_bit_string(bitvector_t *x, char* buf, int len); + +#ifdef TESTAPP_SOURCE +int base64_string_to_octet_string(char *raw, int *pad, char *base64, int len); +#endif + #endif /* _DATATYPES_H */ |