SPEAR1310 datasheet(46/57 Pages) STMICROELECTRONICS

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Security co-processor (C3)

SPEAr1310

46/57

Doc ID 17528 Rev 4

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Channel 3: Unified hash with HMAC

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ID: 0x00004014

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Supported algorithms: HMAC MD5 (hash with 128-bit digest), HMAC SHA1 (hash

with 160-bit digest) and HMAC SHA2 (SHA256 and SHA224 with 256- and 224-bit

digest respectively)

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Input FIFO: 16x32 bits

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Output FIFO: 8x32 bits

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Channel 4: Unified hash 2 with HMAC

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ID: 0x00011001

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Supported algorithms: HMAC SHA384 (hash with 384-bit digest) and HMAC

SHA512 (hash with 512-bit digest)

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Input FIFO: 16x32 bits

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Output FIFO: 8x32 bits

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Channel 5: Public key accelerator (PKA) v6

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ID: 0x00006001

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Supported algorithms: modular exponentiation for RSA and Diffie-Hellman (up to

2048 bits), scalar multiplication of elliptic curve points over prime fields for ECC

(up to 384 bits) and Montgomery’s parameter for finite field operations

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Input FIFO: 8x32 bits

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Output FIFO: 8x32 bits

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Channel 6: Random number generator (RNG)

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ID: 0x0000F000

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Generates a sequence of true random numbers, based on a contiguous analog

oscillator; the sequence has a success ratio of more than 85 % for 20.000 bits,

according to FIPS 140-1 tests

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Monitors the entropy of the generated sequence

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Input FIFO: 2x32 bits

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Output FIFO: 4x32 bits

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Channel 7: empty

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